1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #include <linux/slab.h> 29 #include <linux/seq_file.h> 30 #include <linux/firmware.h> 31 #include <linux/module.h> 32 #include <drm/drmP.h> 33 #include <drm/radeon_drm.h> 34 #include "radeon.h" 35 #include "radeon_asic.h" 36 #include "radeon_mode.h" 37 #include "r600d.h" 38 #include "atom.h" 39 #include "avivod.h" 40 #include "radeon_ucode.h" 41 42 /* Firmware Names */ 43 MODULE_FIRMWARE("radeon/R600_pfp.bin"); 44 MODULE_FIRMWARE("radeon/R600_me.bin"); 45 MODULE_FIRMWARE("radeon/RV610_pfp.bin"); 46 MODULE_FIRMWARE("radeon/RV610_me.bin"); 47 MODULE_FIRMWARE("radeon/RV630_pfp.bin"); 48 MODULE_FIRMWARE("radeon/RV630_me.bin"); 49 MODULE_FIRMWARE("radeon/RV620_pfp.bin"); 50 MODULE_FIRMWARE("radeon/RV620_me.bin"); 51 MODULE_FIRMWARE("radeon/RV635_pfp.bin"); 52 MODULE_FIRMWARE("radeon/RV635_me.bin"); 53 MODULE_FIRMWARE("radeon/RV670_pfp.bin"); 54 MODULE_FIRMWARE("radeon/RV670_me.bin"); 55 MODULE_FIRMWARE("radeon/RS780_pfp.bin"); 56 MODULE_FIRMWARE("radeon/RS780_me.bin"); 57 MODULE_FIRMWARE("radeon/RV770_pfp.bin"); 58 MODULE_FIRMWARE("radeon/RV770_me.bin"); 59 MODULE_FIRMWARE("radeon/RV770_smc.bin"); 60 MODULE_FIRMWARE("radeon/RV730_pfp.bin"); 61 MODULE_FIRMWARE("radeon/RV730_me.bin"); 62 MODULE_FIRMWARE("radeon/RV730_smc.bin"); 63 MODULE_FIRMWARE("radeon/RV740_smc.bin"); 64 MODULE_FIRMWARE("radeon/RV710_pfp.bin"); 65 MODULE_FIRMWARE("radeon/RV710_me.bin"); 66 MODULE_FIRMWARE("radeon/RV710_smc.bin"); 67 MODULE_FIRMWARE("radeon/R600_rlc.bin"); 68 MODULE_FIRMWARE("radeon/R700_rlc.bin"); 69 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin"); 70 MODULE_FIRMWARE("radeon/CEDAR_me.bin"); 71 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin"); 72 MODULE_FIRMWARE("radeon/CEDAR_smc.bin"); 73 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin"); 74 MODULE_FIRMWARE("radeon/REDWOOD_me.bin"); 75 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin"); 76 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin"); 77 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin"); 78 MODULE_FIRMWARE("radeon/JUNIPER_me.bin"); 79 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin"); 80 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin"); 81 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 82 MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 83 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 84 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin"); 85 MODULE_FIRMWARE("radeon/PALM_pfp.bin"); 86 MODULE_FIRMWARE("radeon/PALM_me.bin"); 87 MODULE_FIRMWARE("radeon/SUMO_rlc.bin"); 88 MODULE_FIRMWARE("radeon/SUMO_pfp.bin"); 89 MODULE_FIRMWARE("radeon/SUMO_me.bin"); 90 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); 91 MODULE_FIRMWARE("radeon/SUMO2_me.bin"); 92 93 static const u32 crtc_offsets[2] = 94 { 95 0, 96 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 97 }; 98 99 int r600_debugfs_mc_info_init(struct radeon_device *rdev); 100 101 /* r600,rv610,rv630,rv620,rv635,rv670 */ 102 int r600_mc_wait_for_idle(struct radeon_device *rdev); 103 static void r600_gpu_init(struct radeon_device *rdev); 104 void r600_fini(struct radeon_device *rdev); 105 void r600_irq_disable(struct radeon_device *rdev); 106 static void r600_pcie_gen2_enable(struct radeon_device *rdev); 107 extern int evergreen_rlc_resume(struct radeon_device *rdev); 108 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev); 109 110 /** 111 * r600_get_xclk - get the xclk 112 * 113 * @rdev: radeon_device pointer 114 * 115 * Returns the reference clock used by the gfx engine 116 * (r6xx, IGPs, APUs). 117 */ 118 u32 r600_get_xclk(struct radeon_device *rdev) 119 { 120 return rdev->clock.spll.reference_freq; 121 } 122 123 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk) 124 { 125 return 0; 126 } 127 128 void dce3_program_fmt(struct drm_encoder *encoder) 129 { 130 struct drm_device *dev = encoder->dev; 131 struct radeon_device *rdev = dev->dev_private; 132 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 133 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 134 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 135 int bpc = 0; 136 u32 tmp = 0; 137 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; 138 139 if (connector) { 140 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 141 bpc = radeon_get_monitor_bpc(connector); 142 dither = radeon_connector->dither; 143 } 144 145 /* LVDS FMT is set up by atom */ 146 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 147 return; 148 149 /* not needed for analog */ 150 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 151 (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 152 return; 153 154 if (bpc == 0) 155 return; 156 157 switch (bpc) { 158 case 6: 159 if (dither == RADEON_FMT_DITHER_ENABLE) 160 /* XXX sort out optimal dither settings */ 161 tmp |= FMT_SPATIAL_DITHER_EN; 162 else 163 tmp |= FMT_TRUNCATE_EN; 164 break; 165 case 8: 166 if (dither == RADEON_FMT_DITHER_ENABLE) 167 /* XXX sort out optimal dither settings */ 168 tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH); 169 else 170 tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH); 171 break; 172 case 10: 173 default: 174 /* not needed */ 175 break; 176 } 177 178 WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp); 179 } 180 181 /* get temperature in millidegrees */ 182 int rv6xx_get_temp(struct radeon_device *rdev) 183 { 184 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 185 ASIC_T_SHIFT; 186 int actual_temp = temp & 0xff; 187 188 if (temp & 0x100) 189 actual_temp -= 256; 190 191 return actual_temp * 1000; 192 } 193 194 void r600_pm_get_dynpm_state(struct radeon_device *rdev) 195 { 196 int i; 197 198 rdev->pm.dynpm_can_upclock = true; 199 rdev->pm.dynpm_can_downclock = true; 200 201 /* power state array is low to high, default is first */ 202 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) { 203 int min_power_state_index = 0; 204 205 if (rdev->pm.num_power_states > 2) 206 min_power_state_index = 1; 207 208 switch (rdev->pm.dynpm_planned_action) { 209 case DYNPM_ACTION_MINIMUM: 210 rdev->pm.requested_power_state_index = min_power_state_index; 211 rdev->pm.requested_clock_mode_index = 0; 212 rdev->pm.dynpm_can_downclock = false; 213 break; 214 case DYNPM_ACTION_DOWNCLOCK: 215 if (rdev->pm.current_power_state_index == min_power_state_index) { 216 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 217 rdev->pm.dynpm_can_downclock = false; 218 } else { 219 if (rdev->pm.active_crtc_count > 1) { 220 for (i = 0; i < rdev->pm.num_power_states; i++) { 221 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 222 continue; 223 else if (i >= rdev->pm.current_power_state_index) { 224 rdev->pm.requested_power_state_index = 225 rdev->pm.current_power_state_index; 226 break; 227 } else { 228 rdev->pm.requested_power_state_index = i; 229 break; 230 } 231 } 232 } else { 233 if (rdev->pm.current_power_state_index == 0) 234 rdev->pm.requested_power_state_index = 235 rdev->pm.num_power_states - 1; 236 else 237 rdev->pm.requested_power_state_index = 238 rdev->pm.current_power_state_index - 1; 239 } 240 } 241 rdev->pm.requested_clock_mode_index = 0; 242 /* don't use the power state if crtcs are active and no display flag is set */ 243 if ((rdev->pm.active_crtc_count > 0) && 244 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 245 clock_info[rdev->pm.requested_clock_mode_index].flags & 246 RADEON_PM_MODE_NO_DISPLAY)) { 247 rdev->pm.requested_power_state_index++; 248 } 249 break; 250 case DYNPM_ACTION_UPCLOCK: 251 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 252 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 253 rdev->pm.dynpm_can_upclock = false; 254 } else { 255 if (rdev->pm.active_crtc_count > 1) { 256 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 257 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 258 continue; 259 else if (i <= rdev->pm.current_power_state_index) { 260 rdev->pm.requested_power_state_index = 261 rdev->pm.current_power_state_index; 262 break; 263 } else { 264 rdev->pm.requested_power_state_index = i; 265 break; 266 } 267 } 268 } else 269 rdev->pm.requested_power_state_index = 270 rdev->pm.current_power_state_index + 1; 271 } 272 rdev->pm.requested_clock_mode_index = 0; 273 break; 274 case DYNPM_ACTION_DEFAULT: 275 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 276 rdev->pm.requested_clock_mode_index = 0; 277 rdev->pm.dynpm_can_upclock = false; 278 break; 279 case DYNPM_ACTION_NONE: 280 default: 281 DRM_ERROR("Requested mode for not defined action\n"); 282 return; 283 } 284 } else { 285 /* XXX select a power state based on AC/DC, single/dualhead, etc. */ 286 /* for now just select the first power state and switch between clock modes */ 287 /* power state array is low to high, default is first (0) */ 288 if (rdev->pm.active_crtc_count > 1) { 289 rdev->pm.requested_power_state_index = -1; 290 /* start at 1 as we don't want the default mode */ 291 for (i = 1; i < rdev->pm.num_power_states; i++) { 292 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 293 continue; 294 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || 295 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { 296 rdev->pm.requested_power_state_index = i; 297 break; 298 } 299 } 300 /* if nothing selected, grab the default state. */ 301 if (rdev->pm.requested_power_state_index == -1) 302 rdev->pm.requested_power_state_index = 0; 303 } else 304 rdev->pm.requested_power_state_index = 1; 305 306 switch (rdev->pm.dynpm_planned_action) { 307 case DYNPM_ACTION_MINIMUM: 308 rdev->pm.requested_clock_mode_index = 0; 309 rdev->pm.dynpm_can_downclock = false; 310 break; 311 case DYNPM_ACTION_DOWNCLOCK: 312 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 313 if (rdev->pm.current_clock_mode_index == 0) { 314 rdev->pm.requested_clock_mode_index = 0; 315 rdev->pm.dynpm_can_downclock = false; 316 } else 317 rdev->pm.requested_clock_mode_index = 318 rdev->pm.current_clock_mode_index - 1; 319 } else { 320 rdev->pm.requested_clock_mode_index = 0; 321 rdev->pm.dynpm_can_downclock = false; 322 } 323 /* don't use the power state if crtcs are active and no display flag is set */ 324 if ((rdev->pm.active_crtc_count > 0) && 325 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 326 clock_info[rdev->pm.requested_clock_mode_index].flags & 327 RADEON_PM_MODE_NO_DISPLAY)) { 328 rdev->pm.requested_clock_mode_index++; 329 } 330 break; 331 case DYNPM_ACTION_UPCLOCK: 332 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 333 if (rdev->pm.current_clock_mode_index == 334 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) { 335 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index; 336 rdev->pm.dynpm_can_upclock = false; 337 } else 338 rdev->pm.requested_clock_mode_index = 339 rdev->pm.current_clock_mode_index + 1; 340 } else { 341 rdev->pm.requested_clock_mode_index = 342 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1; 343 rdev->pm.dynpm_can_upclock = false; 344 } 345 break; 346 case DYNPM_ACTION_DEFAULT: 347 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 348 rdev->pm.requested_clock_mode_index = 0; 349 rdev->pm.dynpm_can_upclock = false; 350 break; 351 case DYNPM_ACTION_NONE: 352 default: 353 DRM_ERROR("Requested mode for not defined action\n"); 354 return; 355 } 356 } 357 358 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 359 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 360 clock_info[rdev->pm.requested_clock_mode_index].sclk, 361 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 362 clock_info[rdev->pm.requested_clock_mode_index].mclk, 363 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 364 pcie_lanes); 365 } 366 367 void rs780_pm_init_profile(struct radeon_device *rdev) 368 { 369 if (rdev->pm.num_power_states == 2) { 370 /* default */ 371 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 372 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 373 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 374 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 375 /* low sh */ 376 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 377 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 378 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 379 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 380 /* mid sh */ 381 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 382 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 383 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 384 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 385 /* high sh */ 386 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 387 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 388 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 389 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 390 /* low mh */ 391 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 392 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 393 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 394 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 395 /* mid mh */ 396 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 397 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 398 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 399 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 400 /* high mh */ 401 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 402 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1; 403 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 404 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 405 } else if (rdev->pm.num_power_states == 3) { 406 /* default */ 407 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 408 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 409 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 410 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 411 /* low sh */ 412 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 413 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 414 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 415 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 416 /* mid sh */ 417 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 418 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 419 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 420 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 421 /* high sh */ 422 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 423 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2; 424 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 425 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 426 /* low mh */ 427 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1; 428 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1; 429 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 430 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 431 /* mid mh */ 432 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1; 433 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1; 434 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 435 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 436 /* high mh */ 437 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1; 438 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 439 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 440 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 441 } else { 442 /* default */ 443 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 444 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 445 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 446 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 447 /* low sh */ 448 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2; 449 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2; 450 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 451 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 452 /* mid sh */ 453 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2; 454 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2; 455 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 456 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 457 /* high sh */ 458 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2; 459 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3; 460 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 461 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 462 /* low mh */ 463 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 464 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 465 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 466 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 467 /* mid mh */ 468 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 469 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 470 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 471 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 472 /* high mh */ 473 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 474 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3; 475 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 476 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 477 } 478 } 479 480 void r600_pm_init_profile(struct radeon_device *rdev) 481 { 482 int idx; 483 484 if (rdev->family == CHIP_R600) { 485 /* XXX */ 486 /* default */ 487 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 488 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 489 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 490 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 491 /* low sh */ 492 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 493 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 494 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 495 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 496 /* mid sh */ 497 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 498 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 499 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 500 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 501 /* high sh */ 502 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 503 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 504 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 505 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 506 /* low mh */ 507 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 508 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 509 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 510 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 511 /* mid mh */ 512 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 513 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 514 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 515 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 516 /* high mh */ 517 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 518 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 519 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 520 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 521 } else { 522 if (rdev->pm.num_power_states < 4) { 523 /* default */ 524 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 525 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 526 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 527 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 528 /* low sh */ 529 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 530 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 531 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 532 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 533 /* mid sh */ 534 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 535 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 536 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 537 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 538 /* high sh */ 539 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 540 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 541 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 542 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 543 /* low mh */ 544 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 545 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2; 546 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 547 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 548 /* low mh */ 549 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 550 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2; 551 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 552 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 553 /* high mh */ 554 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 555 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 556 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 557 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 558 } else { 559 /* default */ 560 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 561 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 562 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 563 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 564 /* low sh */ 565 if (rdev->flags & RADEON_IS_MOBILITY) 566 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 567 else 568 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 569 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 570 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 571 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 572 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 573 /* mid sh */ 574 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 575 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 576 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 577 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 578 /* high sh */ 579 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 580 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 581 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 582 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 583 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 584 /* low mh */ 585 if (rdev->flags & RADEON_IS_MOBILITY) 586 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 587 else 588 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 589 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 590 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 591 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 592 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 593 /* mid mh */ 594 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 595 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 596 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 597 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 598 /* high mh */ 599 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 600 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 601 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 602 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 603 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 604 } 605 } 606 } 607 608 void r600_pm_misc(struct radeon_device *rdev) 609 { 610 int req_ps_idx = rdev->pm.requested_power_state_index; 611 int req_cm_idx = rdev->pm.requested_clock_mode_index; 612 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 613 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 614 615 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 616 /* 0xff01 is a flag rather then an actual voltage */ 617 if (voltage->voltage == 0xff01) 618 return; 619 if (voltage->voltage != rdev->pm.current_vddc) { 620 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 621 rdev->pm.current_vddc = voltage->voltage; 622 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 623 } 624 } 625 } 626 627 bool r600_gui_idle(struct radeon_device *rdev) 628 { 629 if (RREG32(GRBM_STATUS) & GUI_ACTIVE) 630 return false; 631 else 632 return true; 633 } 634 635 /* hpd for digital panel detect/disconnect */ 636 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 637 { 638 bool connected = false; 639 640 if (ASIC_IS_DCE3(rdev)) { 641 switch (hpd) { 642 case RADEON_HPD_1: 643 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 644 connected = true; 645 break; 646 case RADEON_HPD_2: 647 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 648 connected = true; 649 break; 650 case RADEON_HPD_3: 651 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 652 connected = true; 653 break; 654 case RADEON_HPD_4: 655 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 656 connected = true; 657 break; 658 /* DCE 3.2 */ 659 case RADEON_HPD_5: 660 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 661 connected = true; 662 break; 663 case RADEON_HPD_6: 664 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 665 connected = true; 666 break; 667 default: 668 break; 669 } 670 } else { 671 switch (hpd) { 672 case RADEON_HPD_1: 673 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 674 connected = true; 675 break; 676 case RADEON_HPD_2: 677 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 678 connected = true; 679 break; 680 case RADEON_HPD_3: 681 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 682 connected = true; 683 break; 684 default: 685 break; 686 } 687 } 688 return connected; 689 } 690 691 void r600_hpd_set_polarity(struct radeon_device *rdev, 692 enum radeon_hpd_id hpd) 693 { 694 u32 tmp; 695 bool connected = r600_hpd_sense(rdev, hpd); 696 697 if (ASIC_IS_DCE3(rdev)) { 698 switch (hpd) { 699 case RADEON_HPD_1: 700 tmp = RREG32(DC_HPD1_INT_CONTROL); 701 if (connected) 702 tmp &= ~DC_HPDx_INT_POLARITY; 703 else 704 tmp |= DC_HPDx_INT_POLARITY; 705 WREG32(DC_HPD1_INT_CONTROL, tmp); 706 break; 707 case RADEON_HPD_2: 708 tmp = RREG32(DC_HPD2_INT_CONTROL); 709 if (connected) 710 tmp &= ~DC_HPDx_INT_POLARITY; 711 else 712 tmp |= DC_HPDx_INT_POLARITY; 713 WREG32(DC_HPD2_INT_CONTROL, tmp); 714 break; 715 case RADEON_HPD_3: 716 tmp = RREG32(DC_HPD3_INT_CONTROL); 717 if (connected) 718 tmp &= ~DC_HPDx_INT_POLARITY; 719 else 720 tmp |= DC_HPDx_INT_POLARITY; 721 WREG32(DC_HPD3_INT_CONTROL, tmp); 722 break; 723 case RADEON_HPD_4: 724 tmp = RREG32(DC_HPD4_INT_CONTROL); 725 if (connected) 726 tmp &= ~DC_HPDx_INT_POLARITY; 727 else 728 tmp |= DC_HPDx_INT_POLARITY; 729 WREG32(DC_HPD4_INT_CONTROL, tmp); 730 break; 731 case RADEON_HPD_5: 732 tmp = RREG32(DC_HPD5_INT_CONTROL); 733 if (connected) 734 tmp &= ~DC_HPDx_INT_POLARITY; 735 else 736 tmp |= DC_HPDx_INT_POLARITY; 737 WREG32(DC_HPD5_INT_CONTROL, tmp); 738 break; 739 /* DCE 3.2 */ 740 case RADEON_HPD_6: 741 tmp = RREG32(DC_HPD6_INT_CONTROL); 742 if (connected) 743 tmp &= ~DC_HPDx_INT_POLARITY; 744 else 745 tmp |= DC_HPDx_INT_POLARITY; 746 WREG32(DC_HPD6_INT_CONTROL, tmp); 747 break; 748 default: 749 break; 750 } 751 } else { 752 switch (hpd) { 753 case RADEON_HPD_1: 754 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 755 if (connected) 756 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 757 else 758 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 759 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 760 break; 761 case RADEON_HPD_2: 762 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 763 if (connected) 764 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 765 else 766 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 767 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 768 break; 769 case RADEON_HPD_3: 770 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 771 if (connected) 772 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 773 else 774 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 775 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 776 break; 777 default: 778 break; 779 } 780 } 781 } 782 783 void r600_hpd_init(struct radeon_device *rdev) 784 { 785 struct drm_device *dev = rdev->ddev; 786 struct drm_connector *connector; 787 unsigned enable = 0; 788 789 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 790 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 791 792 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 793 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 794 /* don't try to enable hpd on eDP or LVDS avoid breaking the 795 * aux dp channel on imac and help (but not completely fix) 796 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 797 */ 798 continue; 799 } 800 if (ASIC_IS_DCE3(rdev)) { 801 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); 802 if (ASIC_IS_DCE32(rdev)) 803 tmp |= DC_HPDx_EN; 804 805 switch (radeon_connector->hpd.hpd) { 806 case RADEON_HPD_1: 807 WREG32(DC_HPD1_CONTROL, tmp); 808 break; 809 case RADEON_HPD_2: 810 WREG32(DC_HPD2_CONTROL, tmp); 811 break; 812 case RADEON_HPD_3: 813 WREG32(DC_HPD3_CONTROL, tmp); 814 break; 815 case RADEON_HPD_4: 816 WREG32(DC_HPD4_CONTROL, tmp); 817 break; 818 /* DCE 3.2 */ 819 case RADEON_HPD_5: 820 WREG32(DC_HPD5_CONTROL, tmp); 821 break; 822 case RADEON_HPD_6: 823 WREG32(DC_HPD6_CONTROL, tmp); 824 break; 825 default: 826 break; 827 } 828 } else { 829 switch (radeon_connector->hpd.hpd) { 830 case RADEON_HPD_1: 831 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); 832 break; 833 case RADEON_HPD_2: 834 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); 835 break; 836 case RADEON_HPD_3: 837 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); 838 break; 839 default: 840 break; 841 } 842 } 843 enable |= 1 << radeon_connector->hpd.hpd; 844 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 845 } 846 radeon_irq_kms_enable_hpd(rdev, enable); 847 } 848 849 void r600_hpd_fini(struct radeon_device *rdev) 850 { 851 struct drm_device *dev = rdev->ddev; 852 struct drm_connector *connector; 853 unsigned disable = 0; 854 855 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 856 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 857 if (ASIC_IS_DCE3(rdev)) { 858 switch (radeon_connector->hpd.hpd) { 859 case RADEON_HPD_1: 860 WREG32(DC_HPD1_CONTROL, 0); 861 break; 862 case RADEON_HPD_2: 863 WREG32(DC_HPD2_CONTROL, 0); 864 break; 865 case RADEON_HPD_3: 866 WREG32(DC_HPD3_CONTROL, 0); 867 break; 868 case RADEON_HPD_4: 869 WREG32(DC_HPD4_CONTROL, 0); 870 break; 871 /* DCE 3.2 */ 872 case RADEON_HPD_5: 873 WREG32(DC_HPD5_CONTROL, 0); 874 break; 875 case RADEON_HPD_6: 876 WREG32(DC_HPD6_CONTROL, 0); 877 break; 878 default: 879 break; 880 } 881 } else { 882 switch (radeon_connector->hpd.hpd) { 883 case RADEON_HPD_1: 884 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); 885 break; 886 case RADEON_HPD_2: 887 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); 888 break; 889 case RADEON_HPD_3: 890 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); 891 break; 892 default: 893 break; 894 } 895 } 896 disable |= 1 << radeon_connector->hpd.hpd; 897 } 898 radeon_irq_kms_disable_hpd(rdev, disable); 899 } 900 901 /* 902 * R600 PCIE GART 903 */ 904 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) 905 { 906 unsigned i; 907 u32 tmp; 908 909 /* flush hdp cache so updates hit vram */ 910 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 911 !(rdev->flags & RADEON_IS_AGP)) { 912 void __iomem *ptr = (void *)rdev->gart.ptr; 913 u32 tmp; 914 915 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 916 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 917 * This seems to cause problems on some AGP cards. Just use the old 918 * method for them. 919 */ 920 WREG32(HDP_DEBUG1, 0); 921 tmp = readl((void __iomem *)ptr); 922 } else 923 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 924 925 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); 926 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); 927 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 928 for (i = 0; i < rdev->usec_timeout; i++) { 929 /* read MC_STATUS */ 930 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 931 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 932 if (tmp == 2) { 933 printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); 934 return; 935 } 936 if (tmp) { 937 return; 938 } 939 udelay(1); 940 } 941 } 942 943 int r600_pcie_gart_init(struct radeon_device *rdev) 944 { 945 int r; 946 947 if (rdev->gart.robj) { 948 WARN(1, "R600 PCIE GART already initialized\n"); 949 return 0; 950 } 951 /* Initialize common gart structure */ 952 r = radeon_gart_init(rdev); 953 if (r) 954 return r; 955 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 956 return radeon_gart_table_vram_alloc(rdev); 957 } 958 959 static int r600_pcie_gart_enable(struct radeon_device *rdev) 960 { 961 u32 tmp; 962 int r, i; 963 964 if (rdev->gart.robj == NULL) { 965 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 966 return -EINVAL; 967 } 968 r = radeon_gart_table_vram_pin(rdev); 969 if (r) 970 return r; 971 972 /* Setup L2 cache */ 973 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 974 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 975 EFFECTIVE_L2_QUEUE_SIZE(7)); 976 WREG32(VM_L2_CNTL2, 0); 977 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 978 /* Setup TLB control */ 979 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 980 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 981 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 982 ENABLE_WAIT_L2_QUERY; 983 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 984 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 985 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 986 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 987 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 988 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 989 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 990 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 991 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 992 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 993 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 994 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 995 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 996 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 997 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 998 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 999 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 1000 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 1001 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 1002 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 1003 (u32)(rdev->dummy_page.addr >> 12)); 1004 for (i = 1; i < 7; i++) 1005 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1006 1007 r600_pcie_gart_tlb_flush(rdev); 1008 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 1009 (unsigned)(rdev->mc.gtt_size >> 20), 1010 (unsigned long long)rdev->gart.table_addr); 1011 rdev->gart.ready = true; 1012 return 0; 1013 } 1014 1015 static void r600_pcie_gart_disable(struct radeon_device *rdev) 1016 { 1017 u32 tmp; 1018 int i; 1019 1020 /* Disable all tables */ 1021 for (i = 0; i < 7; i++) 1022 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1023 1024 /* Disable L2 cache */ 1025 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 1026 EFFECTIVE_L2_QUEUE_SIZE(7)); 1027 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1028 /* Setup L1 TLB control */ 1029 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1030 ENABLE_WAIT_L2_QUERY; 1031 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1032 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1033 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1034 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1035 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1036 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1037 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1038 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1039 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); 1040 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); 1041 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1042 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1043 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); 1044 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1045 radeon_gart_table_vram_unpin(rdev); 1046 } 1047 1048 static void r600_pcie_gart_fini(struct radeon_device *rdev) 1049 { 1050 radeon_gart_fini(rdev); 1051 r600_pcie_gart_disable(rdev); 1052 radeon_gart_table_vram_free(rdev); 1053 } 1054 1055 static void r600_agp_enable(struct radeon_device *rdev) 1056 { 1057 u32 tmp; 1058 int i; 1059 1060 /* Setup L2 cache */ 1061 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1062 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1063 EFFECTIVE_L2_QUEUE_SIZE(7)); 1064 WREG32(VM_L2_CNTL2, 0); 1065 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1066 /* Setup TLB control */ 1067 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1068 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1069 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1070 ENABLE_WAIT_L2_QUERY; 1071 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1072 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1073 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1074 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1075 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1076 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1077 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1078 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1079 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1080 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1081 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1082 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1083 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1084 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1085 for (i = 0; i < 7; i++) 1086 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1087 } 1088 1089 int r600_mc_wait_for_idle(struct radeon_device *rdev) 1090 { 1091 unsigned i; 1092 u32 tmp; 1093 1094 for (i = 0; i < rdev->usec_timeout; i++) { 1095 /* read MC_STATUS */ 1096 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; 1097 if (!tmp) 1098 return 0; 1099 udelay(1); 1100 } 1101 return -1; 1102 } 1103 1104 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg) 1105 { 1106 unsigned long flags; 1107 uint32_t r; 1108 1109 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1110 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg)); 1111 r = RREG32(R_0028FC_MC_DATA); 1112 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR); 1113 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1114 return r; 1115 } 1116 1117 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 1118 { 1119 unsigned long flags; 1120 1121 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1122 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) | 1123 S_0028F8_MC_IND_WR_EN(1)); 1124 WREG32(R_0028FC_MC_DATA, v); 1125 WREG32(R_0028F8_MC_INDEX, 0x7F); 1126 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1127 } 1128 1129 static void r600_mc_program(struct radeon_device *rdev) 1130 { 1131 struct rv515_mc_save save; 1132 u32 tmp; 1133 int i, j; 1134 1135 /* Initialize HDP */ 1136 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1137 WREG32((0x2c14 + j), 0x00000000); 1138 WREG32((0x2c18 + j), 0x00000000); 1139 WREG32((0x2c1c + j), 0x00000000); 1140 WREG32((0x2c20 + j), 0x00000000); 1141 WREG32((0x2c24 + j), 0x00000000); 1142 } 1143 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1144 1145 rv515_mc_stop(rdev, &save); 1146 if (r600_mc_wait_for_idle(rdev)) { 1147 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1148 } 1149 /* Lockout access through VGA aperture (doesn't exist before R600) */ 1150 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1151 /* Update configuration */ 1152 if (rdev->flags & RADEON_IS_AGP) { 1153 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1154 /* VRAM before AGP */ 1155 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1156 rdev->mc.vram_start >> 12); 1157 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1158 rdev->mc.gtt_end >> 12); 1159 } else { 1160 /* VRAM after AGP */ 1161 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1162 rdev->mc.gtt_start >> 12); 1163 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1164 rdev->mc.vram_end >> 12); 1165 } 1166 } else { 1167 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); 1168 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); 1169 } 1170 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12); 1171 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1172 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1173 WREG32(MC_VM_FB_LOCATION, tmp); 1174 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1175 WREG32(HDP_NONSURFACE_INFO, (2 << 7)); 1176 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1177 if (rdev->flags & RADEON_IS_AGP) { 1178 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); 1179 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); 1180 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1181 } else { 1182 WREG32(MC_VM_AGP_BASE, 0); 1183 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1184 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1185 } 1186 if (r600_mc_wait_for_idle(rdev)) { 1187 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1188 } 1189 rv515_mc_resume(rdev, &save); 1190 /* we need to own VRAM, so turn off the VGA renderer here 1191 * to stop it overwriting our objects */ 1192 rv515_vga_render_disable(rdev); 1193 } 1194 1195 /** 1196 * r600_vram_gtt_location - try to find VRAM & GTT location 1197 * @rdev: radeon device structure holding all necessary informations 1198 * @mc: memory controller structure holding memory informations 1199 * 1200 * Function will place try to place VRAM at same place as in CPU (PCI) 1201 * address space as some GPU seems to have issue when we reprogram at 1202 * different address space. 1203 * 1204 * If there is not enough space to fit the unvisible VRAM after the 1205 * aperture then we limit the VRAM size to the aperture. 1206 * 1207 * If we are using AGP then place VRAM adjacent to AGP aperture are we need 1208 * them to be in one from GPU point of view so that we can program GPU to 1209 * catch access outside them (weird GPU policy see ??). 1210 * 1211 * This function will never fails, worst case are limiting VRAM or GTT. 1212 * 1213 * Note: GTT start, end, size should be initialized before calling this 1214 * function on AGP platform. 1215 */ 1216 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1217 { 1218 u64 size_bf, size_af; 1219 1220 if (mc->mc_vram_size > 0xE0000000) { 1221 /* leave room for at least 512M GTT */ 1222 dev_warn(rdev->dev, "limiting VRAM\n"); 1223 mc->real_vram_size = 0xE0000000; 1224 mc->mc_vram_size = 0xE0000000; 1225 } 1226 if (rdev->flags & RADEON_IS_AGP) { 1227 size_bf = mc->gtt_start; 1228 size_af = mc->mc_mask - mc->gtt_end; 1229 if (size_bf > size_af) { 1230 if (mc->mc_vram_size > size_bf) { 1231 dev_warn(rdev->dev, "limiting VRAM\n"); 1232 mc->real_vram_size = size_bf; 1233 mc->mc_vram_size = size_bf; 1234 } 1235 mc->vram_start = mc->gtt_start - mc->mc_vram_size; 1236 } else { 1237 if (mc->mc_vram_size > size_af) { 1238 dev_warn(rdev->dev, "limiting VRAM\n"); 1239 mc->real_vram_size = size_af; 1240 mc->mc_vram_size = size_af; 1241 } 1242 mc->vram_start = mc->gtt_end + 1; 1243 } 1244 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 1245 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", 1246 mc->mc_vram_size >> 20, mc->vram_start, 1247 mc->vram_end, mc->real_vram_size >> 20); 1248 } else { 1249 u64 base = 0; 1250 if (rdev->flags & RADEON_IS_IGP) { 1251 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; 1252 base <<= 24; 1253 } 1254 radeon_vram_location(rdev, &rdev->mc, base); 1255 rdev->mc.gtt_base_align = 0; 1256 radeon_gtt_location(rdev, mc); 1257 } 1258 } 1259 1260 static int r600_mc_init(struct radeon_device *rdev) 1261 { 1262 u32 tmp; 1263 int chansize, numchan; 1264 uint32_t h_addr, l_addr; 1265 unsigned long long k8_addr; 1266 1267 /* Get VRAM informations */ 1268 rdev->mc.vram_is_ddr = true; 1269 tmp = RREG32(RAMCFG); 1270 if (tmp & CHANSIZE_OVERRIDE) { 1271 chansize = 16; 1272 } else if (tmp & CHANSIZE_MASK) { 1273 chansize = 64; 1274 } else { 1275 chansize = 32; 1276 } 1277 tmp = RREG32(CHMAP); 1278 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 1279 case 0: 1280 default: 1281 numchan = 1; 1282 break; 1283 case 1: 1284 numchan = 2; 1285 break; 1286 case 2: 1287 numchan = 4; 1288 break; 1289 case 3: 1290 numchan = 8; 1291 break; 1292 } 1293 rdev->mc.vram_width = numchan * chansize; 1294 /* Could aper size report 0 ? */ 1295 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 1296 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 1297 /* Setup GPU memory space */ 1298 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1299 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1300 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1301 r600_vram_gtt_location(rdev, &rdev->mc); 1302 1303 if (rdev->flags & RADEON_IS_IGP) { 1304 rs690_pm_info(rdev); 1305 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 1306 1307 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) { 1308 /* Use K8 direct mapping for fast fb access. */ 1309 rdev->fastfb_working = false; 1310 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL)); 1311 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION); 1312 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr; 1313 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) 1314 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL) 1315 #endif 1316 { 1317 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport 1318 * memory is present. 1319 */ 1320 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) { 1321 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n", 1322 (unsigned long long)rdev->mc.aper_base, k8_addr); 1323 rdev->mc.aper_base = (resource_size_t)k8_addr; 1324 rdev->fastfb_working = true; 1325 } 1326 } 1327 } 1328 } 1329 1330 radeon_update_bandwidth_info(rdev); 1331 return 0; 1332 } 1333 1334 int r600_vram_scratch_init(struct radeon_device *rdev) 1335 { 1336 int r; 1337 1338 if (rdev->vram_scratch.robj == NULL) { 1339 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, 1340 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 1341 0, NULL, &rdev->vram_scratch.robj); 1342 if (r) { 1343 return r; 1344 } 1345 } 1346 1347 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1348 if (unlikely(r != 0)) 1349 return r; 1350 r = radeon_bo_pin(rdev->vram_scratch.robj, 1351 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr); 1352 if (r) { 1353 radeon_bo_unreserve(rdev->vram_scratch.robj); 1354 return r; 1355 } 1356 r = radeon_bo_kmap(rdev->vram_scratch.robj, 1357 (void **)&rdev->vram_scratch.ptr); 1358 if (r) 1359 radeon_bo_unpin(rdev->vram_scratch.robj); 1360 radeon_bo_unreserve(rdev->vram_scratch.robj); 1361 1362 return r; 1363 } 1364 1365 void r600_vram_scratch_fini(struct radeon_device *rdev) 1366 { 1367 int r; 1368 1369 if (rdev->vram_scratch.robj == NULL) { 1370 return; 1371 } 1372 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1373 if (likely(r == 0)) { 1374 radeon_bo_kunmap(rdev->vram_scratch.robj); 1375 radeon_bo_unpin(rdev->vram_scratch.robj); 1376 radeon_bo_unreserve(rdev->vram_scratch.robj); 1377 } 1378 radeon_bo_unref(&rdev->vram_scratch.robj); 1379 } 1380 1381 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung) 1382 { 1383 u32 tmp = RREG32(R600_BIOS_3_SCRATCH); 1384 1385 if (hung) 1386 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1387 else 1388 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1389 1390 WREG32(R600_BIOS_3_SCRATCH, tmp); 1391 } 1392 1393 static void r600_print_gpu_status_regs(struct radeon_device *rdev) 1394 { 1395 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", 1396 RREG32(R_008010_GRBM_STATUS)); 1397 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", 1398 RREG32(R_008014_GRBM_STATUS2)); 1399 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", 1400 RREG32(R_000E50_SRBM_STATUS)); 1401 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 1402 RREG32(CP_STALLED_STAT1)); 1403 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 1404 RREG32(CP_STALLED_STAT2)); 1405 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 1406 RREG32(CP_BUSY_STAT)); 1407 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 1408 RREG32(CP_STAT)); 1409 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", 1410 RREG32(DMA_STATUS_REG)); 1411 } 1412 1413 static bool r600_is_display_hung(struct radeon_device *rdev) 1414 { 1415 u32 crtc_hung = 0; 1416 u32 crtc_status[2]; 1417 u32 i, j, tmp; 1418 1419 for (i = 0; i < rdev->num_crtc; i++) { 1420 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) { 1421 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1422 crtc_hung |= (1 << i); 1423 } 1424 } 1425 1426 for (j = 0; j < 10; j++) { 1427 for (i = 0; i < rdev->num_crtc; i++) { 1428 if (crtc_hung & (1 << i)) { 1429 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1430 if (tmp != crtc_status[i]) 1431 crtc_hung &= ~(1 << i); 1432 } 1433 } 1434 if (crtc_hung == 0) 1435 return false; 1436 udelay(100); 1437 } 1438 1439 return true; 1440 } 1441 1442 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev) 1443 { 1444 u32 reset_mask = 0; 1445 u32 tmp; 1446 1447 /* GRBM_STATUS */ 1448 tmp = RREG32(R_008010_GRBM_STATUS); 1449 if (rdev->family >= CHIP_RV770) { 1450 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1451 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1452 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1453 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1454 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1455 reset_mask |= RADEON_RESET_GFX; 1456 } else { 1457 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1458 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1459 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1460 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1461 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1462 reset_mask |= RADEON_RESET_GFX; 1463 } 1464 1465 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) | 1466 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp)) 1467 reset_mask |= RADEON_RESET_CP; 1468 1469 if (G_008010_GRBM_EE_BUSY(tmp)) 1470 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; 1471 1472 /* DMA_STATUS_REG */ 1473 tmp = RREG32(DMA_STATUS_REG); 1474 if (!(tmp & DMA_IDLE)) 1475 reset_mask |= RADEON_RESET_DMA; 1476 1477 /* SRBM_STATUS */ 1478 tmp = RREG32(R_000E50_SRBM_STATUS); 1479 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp)) 1480 reset_mask |= RADEON_RESET_RLC; 1481 1482 if (G_000E50_IH_BUSY(tmp)) 1483 reset_mask |= RADEON_RESET_IH; 1484 1485 if (G_000E50_SEM_BUSY(tmp)) 1486 reset_mask |= RADEON_RESET_SEM; 1487 1488 if (G_000E50_GRBM_RQ_PENDING(tmp)) 1489 reset_mask |= RADEON_RESET_GRBM; 1490 1491 if (G_000E50_VMC_BUSY(tmp)) 1492 reset_mask |= RADEON_RESET_VMC; 1493 1494 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) | 1495 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) | 1496 G_000E50_MCDW_BUSY(tmp)) 1497 reset_mask |= RADEON_RESET_MC; 1498 1499 if (r600_is_display_hung(rdev)) 1500 reset_mask |= RADEON_RESET_DISPLAY; 1501 1502 /* Skip MC reset as it's mostly likely not hung, just busy */ 1503 if (reset_mask & RADEON_RESET_MC) { 1504 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 1505 reset_mask &= ~RADEON_RESET_MC; 1506 } 1507 1508 return reset_mask; 1509 } 1510 1511 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 1512 { 1513 struct rv515_mc_save save; 1514 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 1515 u32 tmp; 1516 1517 if (reset_mask == 0) 1518 return; 1519 1520 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 1521 1522 r600_print_gpu_status_regs(rdev); 1523 1524 /* Disable CP parsing/prefetching */ 1525 if (rdev->family >= CHIP_RV770) 1526 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1527 else 1528 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1529 1530 /* disable the RLC */ 1531 WREG32(RLC_CNTL, 0); 1532 1533 if (reset_mask & RADEON_RESET_DMA) { 1534 /* Disable DMA */ 1535 tmp = RREG32(DMA_RB_CNTL); 1536 tmp &= ~DMA_RB_ENABLE; 1537 WREG32(DMA_RB_CNTL, tmp); 1538 } 1539 1540 mdelay(50); 1541 1542 rv515_mc_stop(rdev, &save); 1543 if (r600_mc_wait_for_idle(rdev)) { 1544 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1545 } 1546 1547 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { 1548 if (rdev->family >= CHIP_RV770) 1549 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) | 1550 S_008020_SOFT_RESET_CB(1) | 1551 S_008020_SOFT_RESET_PA(1) | 1552 S_008020_SOFT_RESET_SC(1) | 1553 S_008020_SOFT_RESET_SPI(1) | 1554 S_008020_SOFT_RESET_SX(1) | 1555 S_008020_SOFT_RESET_SH(1) | 1556 S_008020_SOFT_RESET_TC(1) | 1557 S_008020_SOFT_RESET_TA(1) | 1558 S_008020_SOFT_RESET_VC(1) | 1559 S_008020_SOFT_RESET_VGT(1); 1560 else 1561 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) | 1562 S_008020_SOFT_RESET_DB(1) | 1563 S_008020_SOFT_RESET_CB(1) | 1564 S_008020_SOFT_RESET_PA(1) | 1565 S_008020_SOFT_RESET_SC(1) | 1566 S_008020_SOFT_RESET_SMX(1) | 1567 S_008020_SOFT_RESET_SPI(1) | 1568 S_008020_SOFT_RESET_SX(1) | 1569 S_008020_SOFT_RESET_SH(1) | 1570 S_008020_SOFT_RESET_TC(1) | 1571 S_008020_SOFT_RESET_TA(1) | 1572 S_008020_SOFT_RESET_VC(1) | 1573 S_008020_SOFT_RESET_VGT(1); 1574 } 1575 1576 if (reset_mask & RADEON_RESET_CP) { 1577 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) | 1578 S_008020_SOFT_RESET_VGT(1); 1579 1580 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1581 } 1582 1583 if (reset_mask & RADEON_RESET_DMA) { 1584 if (rdev->family >= CHIP_RV770) 1585 srbm_soft_reset |= RV770_SOFT_RESET_DMA; 1586 else 1587 srbm_soft_reset |= SOFT_RESET_DMA; 1588 } 1589 1590 if (reset_mask & RADEON_RESET_RLC) 1591 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1); 1592 1593 if (reset_mask & RADEON_RESET_SEM) 1594 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1); 1595 1596 if (reset_mask & RADEON_RESET_IH) 1597 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1); 1598 1599 if (reset_mask & RADEON_RESET_GRBM) 1600 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1601 1602 if (!(rdev->flags & RADEON_IS_IGP)) { 1603 if (reset_mask & RADEON_RESET_MC) 1604 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1); 1605 } 1606 1607 if (reset_mask & RADEON_RESET_VMC) 1608 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1); 1609 1610 if (grbm_soft_reset) { 1611 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1612 tmp |= grbm_soft_reset; 1613 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1614 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1615 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1616 1617 udelay(50); 1618 1619 tmp &= ~grbm_soft_reset; 1620 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1621 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1622 } 1623 1624 if (srbm_soft_reset) { 1625 tmp = RREG32(SRBM_SOFT_RESET); 1626 tmp |= srbm_soft_reset; 1627 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1628 WREG32(SRBM_SOFT_RESET, tmp); 1629 tmp = RREG32(SRBM_SOFT_RESET); 1630 1631 udelay(50); 1632 1633 tmp &= ~srbm_soft_reset; 1634 WREG32(SRBM_SOFT_RESET, tmp); 1635 tmp = RREG32(SRBM_SOFT_RESET); 1636 } 1637 1638 /* Wait a little for things to settle down */ 1639 mdelay(1); 1640 1641 rv515_mc_resume(rdev, &save); 1642 udelay(50); 1643 1644 r600_print_gpu_status_regs(rdev); 1645 } 1646 1647 static void r600_gpu_pci_config_reset(struct radeon_device *rdev) 1648 { 1649 struct rv515_mc_save save; 1650 u32 tmp, i; 1651 1652 dev_info(rdev->dev, "GPU pci config reset\n"); 1653 1654 /* disable dpm? */ 1655 1656 /* Disable CP parsing/prefetching */ 1657 if (rdev->family >= CHIP_RV770) 1658 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1659 else 1660 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1661 1662 /* disable the RLC */ 1663 WREG32(RLC_CNTL, 0); 1664 1665 /* Disable DMA */ 1666 tmp = RREG32(DMA_RB_CNTL); 1667 tmp &= ~DMA_RB_ENABLE; 1668 WREG32(DMA_RB_CNTL, tmp); 1669 1670 mdelay(50); 1671 1672 /* set mclk/sclk to bypass */ 1673 if (rdev->family >= CHIP_RV770) 1674 rv770_set_clk_bypass_mode(rdev); 1675 /* disable BM */ 1676 pci_clear_master(rdev->pdev); 1677 /* disable mem access */ 1678 rv515_mc_stop(rdev, &save); 1679 if (r600_mc_wait_for_idle(rdev)) { 1680 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1681 } 1682 1683 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1684 tmp = RREG32(BUS_CNTL); 1685 tmp |= VGA_COHE_SPEC_TIMER_DIS; 1686 WREG32(BUS_CNTL, tmp); 1687 1688 tmp = RREG32(BIF_SCRATCH0); 1689 1690 /* reset */ 1691 radeon_pci_config_reset(rdev); 1692 mdelay(1); 1693 1694 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1695 tmp = SOFT_RESET_BIF; 1696 WREG32(SRBM_SOFT_RESET, tmp); 1697 mdelay(1); 1698 WREG32(SRBM_SOFT_RESET, 0); 1699 1700 /* wait for asic to come out of reset */ 1701 for (i = 0; i < rdev->usec_timeout; i++) { 1702 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff) 1703 break; 1704 udelay(1); 1705 } 1706 } 1707 1708 int r600_asic_reset(struct radeon_device *rdev) 1709 { 1710 u32 reset_mask; 1711 1712 reset_mask = r600_gpu_check_soft_reset(rdev); 1713 1714 if (reset_mask) 1715 r600_set_bios_scratch_engine_hung(rdev, true); 1716 1717 /* try soft reset */ 1718 r600_gpu_soft_reset(rdev, reset_mask); 1719 1720 reset_mask = r600_gpu_check_soft_reset(rdev); 1721 1722 /* try pci config reset */ 1723 if (reset_mask && radeon_hard_reset) 1724 r600_gpu_pci_config_reset(rdev); 1725 1726 reset_mask = r600_gpu_check_soft_reset(rdev); 1727 1728 if (!reset_mask) 1729 r600_set_bios_scratch_engine_hung(rdev, false); 1730 1731 return 0; 1732 } 1733 1734 /** 1735 * r600_gfx_is_lockup - Check if the GFX engine is locked up 1736 * 1737 * @rdev: radeon_device pointer 1738 * @ring: radeon_ring structure holding ring information 1739 * 1740 * Check if the GFX engine is locked up. 1741 * Returns true if the engine appears to be locked up, false if not. 1742 */ 1743 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1744 { 1745 u32 reset_mask = r600_gpu_check_soft_reset(rdev); 1746 1747 if (!(reset_mask & (RADEON_RESET_GFX | 1748 RADEON_RESET_COMPUTE | 1749 RADEON_RESET_CP))) { 1750 radeon_ring_lockup_update(rdev, ring); 1751 return false; 1752 } 1753 return radeon_ring_test_lockup(rdev, ring); 1754 } 1755 1756 u32 r6xx_remap_render_backend(struct radeon_device *rdev, 1757 u32 tiling_pipe_num, 1758 u32 max_rb_num, 1759 u32 total_max_rb_num, 1760 u32 disabled_rb_mask) 1761 { 1762 u32 rendering_pipe_num, rb_num_width, req_rb_num; 1763 u32 pipe_rb_ratio, pipe_rb_remain, tmp; 1764 u32 data = 0, mask = 1 << (max_rb_num - 1); 1765 unsigned i, j; 1766 1767 /* mask out the RBs that don't exist on that asic */ 1768 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); 1769 /* make sure at least one RB is available */ 1770 if ((tmp & 0xff) != 0xff) 1771 disabled_rb_mask = tmp; 1772 1773 rendering_pipe_num = 1 << tiling_pipe_num; 1774 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); 1775 BUG_ON(rendering_pipe_num < req_rb_num); 1776 1777 pipe_rb_ratio = rendering_pipe_num / req_rb_num; 1778 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num; 1779 1780 if (rdev->family <= CHIP_RV740) { 1781 /* r6xx/r7xx */ 1782 rb_num_width = 2; 1783 } else { 1784 /* eg+ */ 1785 rb_num_width = 4; 1786 } 1787 1788 for (i = 0; i < max_rb_num; i++) { 1789 if (!(mask & disabled_rb_mask)) { 1790 for (j = 0; j < pipe_rb_ratio; j++) { 1791 data <<= rb_num_width; 1792 data |= max_rb_num - i - 1; 1793 } 1794 if (pipe_rb_remain) { 1795 data <<= rb_num_width; 1796 data |= max_rb_num - i - 1; 1797 pipe_rb_remain--; 1798 } 1799 } 1800 mask >>= 1; 1801 } 1802 1803 return data; 1804 } 1805 1806 int r600_count_pipe_bits(uint32_t val) 1807 { 1808 return hweight32(val); 1809 } 1810 1811 static void r600_gpu_init(struct radeon_device *rdev) 1812 { 1813 u32 tiling_config; 1814 u32 ramcfg; 1815 u32 cc_rb_backend_disable; 1816 u32 cc_gc_shader_pipe_config; 1817 u32 tmp; 1818 int i, j; 1819 u32 sq_config; 1820 u32 sq_gpr_resource_mgmt_1 = 0; 1821 u32 sq_gpr_resource_mgmt_2 = 0; 1822 u32 sq_thread_resource_mgmt = 0; 1823 u32 sq_stack_resource_mgmt_1 = 0; 1824 u32 sq_stack_resource_mgmt_2 = 0; 1825 u32 disabled_rb_mask; 1826 1827 rdev->config.r600.tiling_group_size = 256; 1828 switch (rdev->family) { 1829 case CHIP_R600: 1830 rdev->config.r600.max_pipes = 4; 1831 rdev->config.r600.max_tile_pipes = 8; 1832 rdev->config.r600.max_simds = 4; 1833 rdev->config.r600.max_backends = 4; 1834 rdev->config.r600.max_gprs = 256; 1835 rdev->config.r600.max_threads = 192; 1836 rdev->config.r600.max_stack_entries = 256; 1837 rdev->config.r600.max_hw_contexts = 8; 1838 rdev->config.r600.max_gs_threads = 16; 1839 rdev->config.r600.sx_max_export_size = 128; 1840 rdev->config.r600.sx_max_export_pos_size = 16; 1841 rdev->config.r600.sx_max_export_smx_size = 128; 1842 rdev->config.r600.sq_num_cf_insts = 2; 1843 break; 1844 case CHIP_RV630: 1845 case CHIP_RV635: 1846 rdev->config.r600.max_pipes = 2; 1847 rdev->config.r600.max_tile_pipes = 2; 1848 rdev->config.r600.max_simds = 3; 1849 rdev->config.r600.max_backends = 1; 1850 rdev->config.r600.max_gprs = 128; 1851 rdev->config.r600.max_threads = 192; 1852 rdev->config.r600.max_stack_entries = 128; 1853 rdev->config.r600.max_hw_contexts = 8; 1854 rdev->config.r600.max_gs_threads = 4; 1855 rdev->config.r600.sx_max_export_size = 128; 1856 rdev->config.r600.sx_max_export_pos_size = 16; 1857 rdev->config.r600.sx_max_export_smx_size = 128; 1858 rdev->config.r600.sq_num_cf_insts = 2; 1859 break; 1860 case CHIP_RV610: 1861 case CHIP_RV620: 1862 case CHIP_RS780: 1863 case CHIP_RS880: 1864 rdev->config.r600.max_pipes = 1; 1865 rdev->config.r600.max_tile_pipes = 1; 1866 rdev->config.r600.max_simds = 2; 1867 rdev->config.r600.max_backends = 1; 1868 rdev->config.r600.max_gprs = 128; 1869 rdev->config.r600.max_threads = 192; 1870 rdev->config.r600.max_stack_entries = 128; 1871 rdev->config.r600.max_hw_contexts = 4; 1872 rdev->config.r600.max_gs_threads = 4; 1873 rdev->config.r600.sx_max_export_size = 128; 1874 rdev->config.r600.sx_max_export_pos_size = 16; 1875 rdev->config.r600.sx_max_export_smx_size = 128; 1876 rdev->config.r600.sq_num_cf_insts = 1; 1877 break; 1878 case CHIP_RV670: 1879 rdev->config.r600.max_pipes = 4; 1880 rdev->config.r600.max_tile_pipes = 4; 1881 rdev->config.r600.max_simds = 4; 1882 rdev->config.r600.max_backends = 4; 1883 rdev->config.r600.max_gprs = 192; 1884 rdev->config.r600.max_threads = 192; 1885 rdev->config.r600.max_stack_entries = 256; 1886 rdev->config.r600.max_hw_contexts = 8; 1887 rdev->config.r600.max_gs_threads = 16; 1888 rdev->config.r600.sx_max_export_size = 128; 1889 rdev->config.r600.sx_max_export_pos_size = 16; 1890 rdev->config.r600.sx_max_export_smx_size = 128; 1891 rdev->config.r600.sq_num_cf_insts = 2; 1892 break; 1893 default: 1894 break; 1895 } 1896 1897 /* Initialize HDP */ 1898 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1899 WREG32((0x2c14 + j), 0x00000000); 1900 WREG32((0x2c18 + j), 0x00000000); 1901 WREG32((0x2c1c + j), 0x00000000); 1902 WREG32((0x2c20 + j), 0x00000000); 1903 WREG32((0x2c24 + j), 0x00000000); 1904 } 1905 1906 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1907 1908 /* Setup tiling */ 1909 tiling_config = 0; 1910 ramcfg = RREG32(RAMCFG); 1911 switch (rdev->config.r600.max_tile_pipes) { 1912 case 1: 1913 tiling_config |= PIPE_TILING(0); 1914 break; 1915 case 2: 1916 tiling_config |= PIPE_TILING(1); 1917 break; 1918 case 4: 1919 tiling_config |= PIPE_TILING(2); 1920 break; 1921 case 8: 1922 tiling_config |= PIPE_TILING(3); 1923 break; 1924 default: 1925 break; 1926 } 1927 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 1928 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1929 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1930 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); 1931 1932 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 1933 if (tmp > 3) { 1934 tiling_config |= ROW_TILING(3); 1935 tiling_config |= SAMPLE_SPLIT(3); 1936 } else { 1937 tiling_config |= ROW_TILING(tmp); 1938 tiling_config |= SAMPLE_SPLIT(tmp); 1939 } 1940 tiling_config |= BANK_SWAPS(1); 1941 1942 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000; 1943 tmp = R6XX_MAX_BACKENDS - 1944 r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK); 1945 if (tmp < rdev->config.r600.max_backends) { 1946 rdev->config.r600.max_backends = tmp; 1947 } 1948 1949 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00; 1950 tmp = R6XX_MAX_PIPES - 1951 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK); 1952 if (tmp < rdev->config.r600.max_pipes) { 1953 rdev->config.r600.max_pipes = tmp; 1954 } 1955 tmp = R6XX_MAX_SIMDS - 1956 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); 1957 if (tmp < rdev->config.r600.max_simds) { 1958 rdev->config.r600.max_simds = tmp; 1959 } 1960 tmp = rdev->config.r600.max_simds - 1961 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); 1962 rdev->config.r600.active_simds = tmp; 1963 1964 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK; 1965 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT; 1966 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends, 1967 R6XX_MAX_BACKENDS, disabled_rb_mask); 1968 tiling_config |= tmp << 16; 1969 rdev->config.r600.backend_map = tmp; 1970 1971 rdev->config.r600.tile_config = tiling_config; 1972 WREG32(GB_TILING_CONFIG, tiling_config); 1973 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); 1974 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); 1975 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff); 1976 1977 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8); 1978 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); 1979 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); 1980 1981 /* Setup some CP states */ 1982 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); 1983 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); 1984 1985 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | 1986 SYNC_WALKER | SYNC_ALIGNER)); 1987 /* Setup various GPU states */ 1988 if (rdev->family == CHIP_RV670) 1989 WREG32(ARB_GDEC_RD_CNTL, 0x00000021); 1990 1991 tmp = RREG32(SX_DEBUG_1); 1992 tmp |= SMX_EVENT_RELEASE; 1993 if ((rdev->family > CHIP_R600)) 1994 tmp |= ENABLE_NEW_SMX_ADDRESS; 1995 WREG32(SX_DEBUG_1, tmp); 1996 1997 if (((rdev->family) == CHIP_R600) || 1998 ((rdev->family) == CHIP_RV630) || 1999 ((rdev->family) == CHIP_RV610) || 2000 ((rdev->family) == CHIP_RV620) || 2001 ((rdev->family) == CHIP_RS780) || 2002 ((rdev->family) == CHIP_RS880)) { 2003 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); 2004 } else { 2005 WREG32(DB_DEBUG, 0); 2006 } 2007 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | 2008 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); 2009 2010 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2011 WREG32(VGT_NUM_INSTANCES, 0); 2012 2013 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); 2014 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); 2015 2016 tmp = RREG32(SQ_MS_FIFO_SIZES); 2017 if (((rdev->family) == CHIP_RV610) || 2018 ((rdev->family) == CHIP_RV620) || 2019 ((rdev->family) == CHIP_RS780) || 2020 ((rdev->family) == CHIP_RS880)) { 2021 tmp = (CACHE_FIFO_SIZE(0xa) | 2022 FETCH_FIFO_HIWATER(0xa) | 2023 DONE_FIFO_HIWATER(0xe0) | 2024 ALU_UPDATE_FIFO_HIWATER(0x8)); 2025 } else if (((rdev->family) == CHIP_R600) || 2026 ((rdev->family) == CHIP_RV630)) { 2027 tmp &= ~DONE_FIFO_HIWATER(0xff); 2028 tmp |= DONE_FIFO_HIWATER(0x4); 2029 } 2030 WREG32(SQ_MS_FIFO_SIZES, tmp); 2031 2032 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT 2033 * should be adjusted as needed by the 2D/3D drivers. This just sets default values 2034 */ 2035 sq_config = RREG32(SQ_CONFIG); 2036 sq_config &= ~(PS_PRIO(3) | 2037 VS_PRIO(3) | 2038 GS_PRIO(3) | 2039 ES_PRIO(3)); 2040 sq_config |= (DX9_CONSTS | 2041 VC_ENABLE | 2042 PS_PRIO(0) | 2043 VS_PRIO(1) | 2044 GS_PRIO(2) | 2045 ES_PRIO(3)); 2046 2047 if ((rdev->family) == CHIP_R600) { 2048 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | 2049 NUM_VS_GPRS(124) | 2050 NUM_CLAUSE_TEMP_GPRS(4)); 2051 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | 2052 NUM_ES_GPRS(0)); 2053 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | 2054 NUM_VS_THREADS(48) | 2055 NUM_GS_THREADS(4) | 2056 NUM_ES_THREADS(4)); 2057 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | 2058 NUM_VS_STACK_ENTRIES(128)); 2059 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | 2060 NUM_ES_STACK_ENTRIES(0)); 2061 } else if (((rdev->family) == CHIP_RV610) || 2062 ((rdev->family) == CHIP_RV620) || 2063 ((rdev->family) == CHIP_RS780) || 2064 ((rdev->family) == CHIP_RS880)) { 2065 /* no vertex cache */ 2066 sq_config &= ~VC_ENABLE; 2067 2068 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2069 NUM_VS_GPRS(44) | 2070 NUM_CLAUSE_TEMP_GPRS(2)); 2071 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2072 NUM_ES_GPRS(17)); 2073 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2074 NUM_VS_THREADS(78) | 2075 NUM_GS_THREADS(4) | 2076 NUM_ES_THREADS(31)); 2077 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2078 NUM_VS_STACK_ENTRIES(40)); 2079 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2080 NUM_ES_STACK_ENTRIES(16)); 2081 } else if (((rdev->family) == CHIP_RV630) || 2082 ((rdev->family) == CHIP_RV635)) { 2083 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2084 NUM_VS_GPRS(44) | 2085 NUM_CLAUSE_TEMP_GPRS(2)); 2086 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | 2087 NUM_ES_GPRS(18)); 2088 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2089 NUM_VS_THREADS(78) | 2090 NUM_GS_THREADS(4) | 2091 NUM_ES_THREADS(31)); 2092 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2093 NUM_VS_STACK_ENTRIES(40)); 2094 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2095 NUM_ES_STACK_ENTRIES(16)); 2096 } else if ((rdev->family) == CHIP_RV670) { 2097 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2098 NUM_VS_GPRS(44) | 2099 NUM_CLAUSE_TEMP_GPRS(2)); 2100 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2101 NUM_ES_GPRS(17)); 2102 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2103 NUM_VS_THREADS(78) | 2104 NUM_GS_THREADS(4) | 2105 NUM_ES_THREADS(31)); 2106 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | 2107 NUM_VS_STACK_ENTRIES(64)); 2108 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | 2109 NUM_ES_STACK_ENTRIES(64)); 2110 } 2111 2112 WREG32(SQ_CONFIG, sq_config); 2113 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 2114 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 2115 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 2116 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 2117 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 2118 2119 if (((rdev->family) == CHIP_RV610) || 2120 ((rdev->family) == CHIP_RV620) || 2121 ((rdev->family) == CHIP_RS780) || 2122 ((rdev->family) == CHIP_RS880)) { 2123 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); 2124 } else { 2125 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); 2126 } 2127 2128 /* More default values. 2D/3D driver should adjust as needed */ 2129 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | 2130 S1_X(0x4) | S1_Y(0xc))); 2131 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | 2132 S1_X(0x2) | S1_Y(0x2) | 2133 S2_X(0xa) | S2_Y(0x6) | 2134 S3_X(0x6) | S3_Y(0xa))); 2135 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | 2136 S1_X(0x4) | S1_Y(0xc) | 2137 S2_X(0x1) | S2_Y(0x6) | 2138 S3_X(0xa) | S3_Y(0xe))); 2139 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | 2140 S5_X(0x0) | S5_Y(0x0) | 2141 S6_X(0xb) | S6_Y(0x4) | 2142 S7_X(0x7) | S7_Y(0x8))); 2143 2144 WREG32(VGT_STRMOUT_EN, 0); 2145 tmp = rdev->config.r600.max_pipes * 16; 2146 switch (rdev->family) { 2147 case CHIP_RV610: 2148 case CHIP_RV620: 2149 case CHIP_RS780: 2150 case CHIP_RS880: 2151 tmp += 32; 2152 break; 2153 case CHIP_RV670: 2154 tmp += 128; 2155 break; 2156 default: 2157 break; 2158 } 2159 if (tmp > 256) { 2160 tmp = 256; 2161 } 2162 WREG32(VGT_ES_PER_GS, 128); 2163 WREG32(VGT_GS_PER_ES, tmp); 2164 WREG32(VGT_GS_PER_VS, 2); 2165 WREG32(VGT_GS_VERTEX_REUSE, 16); 2166 2167 /* more default values. 2D/3D driver should adjust as needed */ 2168 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 2169 WREG32(VGT_STRMOUT_EN, 0); 2170 WREG32(SX_MISC, 0); 2171 WREG32(PA_SC_MODE_CNTL, 0); 2172 WREG32(PA_SC_AA_CONFIG, 0); 2173 WREG32(PA_SC_LINE_STIPPLE, 0); 2174 WREG32(SPI_INPUT_Z, 0); 2175 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); 2176 WREG32(CB_COLOR7_FRAG, 0); 2177 2178 /* Clear render buffer base addresses */ 2179 WREG32(CB_COLOR0_BASE, 0); 2180 WREG32(CB_COLOR1_BASE, 0); 2181 WREG32(CB_COLOR2_BASE, 0); 2182 WREG32(CB_COLOR3_BASE, 0); 2183 WREG32(CB_COLOR4_BASE, 0); 2184 WREG32(CB_COLOR5_BASE, 0); 2185 WREG32(CB_COLOR6_BASE, 0); 2186 WREG32(CB_COLOR7_BASE, 0); 2187 WREG32(CB_COLOR7_FRAG, 0); 2188 2189 switch (rdev->family) { 2190 case CHIP_RV610: 2191 case CHIP_RV620: 2192 case CHIP_RS780: 2193 case CHIP_RS880: 2194 tmp = TC_L2_SIZE(8); 2195 break; 2196 case CHIP_RV630: 2197 case CHIP_RV635: 2198 tmp = TC_L2_SIZE(4); 2199 break; 2200 case CHIP_R600: 2201 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; 2202 break; 2203 default: 2204 tmp = TC_L2_SIZE(0); 2205 break; 2206 } 2207 WREG32(TC_CNTL, tmp); 2208 2209 tmp = RREG32(HDP_HOST_PATH_CNTL); 2210 WREG32(HDP_HOST_PATH_CNTL, tmp); 2211 2212 tmp = RREG32(ARB_POP); 2213 tmp |= ENABLE_TC128; 2214 WREG32(ARB_POP, tmp); 2215 2216 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2217 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | 2218 NUM_CLIP_SEQ(3))); 2219 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); 2220 WREG32(VC_ENHANCE, 0); 2221 } 2222 2223 2224 /* 2225 * Indirect registers accessor 2226 */ 2227 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) 2228 { 2229 unsigned long flags; 2230 u32 r; 2231 2232 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2233 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2234 (void)RREG32(PCIE_PORT_INDEX); 2235 r = RREG32(PCIE_PORT_DATA); 2236 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2237 return r; 2238 } 2239 2240 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) 2241 { 2242 unsigned long flags; 2243 2244 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2245 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2246 (void)RREG32(PCIE_PORT_INDEX); 2247 WREG32(PCIE_PORT_DATA, (v)); 2248 (void)RREG32(PCIE_PORT_DATA); 2249 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2250 } 2251 2252 /* 2253 * CP & Ring 2254 */ 2255 void r600_cp_stop(struct radeon_device *rdev) 2256 { 2257 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2258 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 2259 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 2260 WREG32(SCRATCH_UMSK, 0); 2261 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 2262 } 2263 2264 int r600_init_microcode(struct radeon_device *rdev) 2265 { 2266 const char *chip_name; 2267 const char *rlc_chip_name; 2268 const char *smc_chip_name = "RV770"; 2269 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0; 2270 char fw_name[30]; 2271 int err; 2272 2273 DRM_DEBUG("\n"); 2274 2275 switch (rdev->family) { 2276 case CHIP_R600: 2277 chip_name = "R600"; 2278 rlc_chip_name = "R600"; 2279 break; 2280 case CHIP_RV610: 2281 chip_name = "RV610"; 2282 rlc_chip_name = "R600"; 2283 break; 2284 case CHIP_RV630: 2285 chip_name = "RV630"; 2286 rlc_chip_name = "R600"; 2287 break; 2288 case CHIP_RV620: 2289 chip_name = "RV620"; 2290 rlc_chip_name = "R600"; 2291 break; 2292 case CHIP_RV635: 2293 chip_name = "RV635"; 2294 rlc_chip_name = "R600"; 2295 break; 2296 case CHIP_RV670: 2297 chip_name = "RV670"; 2298 rlc_chip_name = "R600"; 2299 break; 2300 case CHIP_RS780: 2301 case CHIP_RS880: 2302 chip_name = "RS780"; 2303 rlc_chip_name = "R600"; 2304 break; 2305 case CHIP_RV770: 2306 chip_name = "RV770"; 2307 rlc_chip_name = "R700"; 2308 smc_chip_name = "RV770"; 2309 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4); 2310 break; 2311 case CHIP_RV730: 2312 chip_name = "RV730"; 2313 rlc_chip_name = "R700"; 2314 smc_chip_name = "RV730"; 2315 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4); 2316 break; 2317 case CHIP_RV710: 2318 chip_name = "RV710"; 2319 rlc_chip_name = "R700"; 2320 smc_chip_name = "RV710"; 2321 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4); 2322 break; 2323 case CHIP_RV740: 2324 chip_name = "RV730"; 2325 rlc_chip_name = "R700"; 2326 smc_chip_name = "RV740"; 2327 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4); 2328 break; 2329 case CHIP_CEDAR: 2330 chip_name = "CEDAR"; 2331 rlc_chip_name = "CEDAR"; 2332 smc_chip_name = "CEDAR"; 2333 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4); 2334 break; 2335 case CHIP_REDWOOD: 2336 chip_name = "REDWOOD"; 2337 rlc_chip_name = "REDWOOD"; 2338 smc_chip_name = "REDWOOD"; 2339 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4); 2340 break; 2341 case CHIP_JUNIPER: 2342 chip_name = "JUNIPER"; 2343 rlc_chip_name = "JUNIPER"; 2344 smc_chip_name = "JUNIPER"; 2345 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4); 2346 break; 2347 case CHIP_CYPRESS: 2348 case CHIP_HEMLOCK: 2349 chip_name = "CYPRESS"; 2350 rlc_chip_name = "CYPRESS"; 2351 smc_chip_name = "CYPRESS"; 2352 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4); 2353 break; 2354 case CHIP_PALM: 2355 chip_name = "PALM"; 2356 rlc_chip_name = "SUMO"; 2357 break; 2358 case CHIP_SUMO: 2359 chip_name = "SUMO"; 2360 rlc_chip_name = "SUMO"; 2361 break; 2362 case CHIP_SUMO2: 2363 chip_name = "SUMO2"; 2364 rlc_chip_name = "SUMO"; 2365 break; 2366 default: BUG(); 2367 } 2368 2369 if (rdev->family >= CHIP_CEDAR) { 2370 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 2371 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 2372 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 2373 } else if (rdev->family >= CHIP_RV770) { 2374 pfp_req_size = R700_PFP_UCODE_SIZE * 4; 2375 me_req_size = R700_PM4_UCODE_SIZE * 4; 2376 rlc_req_size = R700_RLC_UCODE_SIZE * 4; 2377 } else { 2378 pfp_req_size = R600_PFP_UCODE_SIZE * 4; 2379 me_req_size = R600_PM4_UCODE_SIZE * 12; 2380 rlc_req_size = R600_RLC_UCODE_SIZE * 4; 2381 } 2382 2383 DRM_INFO("Loading %s Microcode\n", chip_name); 2384 2385 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 2386 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev); 2387 if (err) 2388 goto out; 2389 if (rdev->pfp_fw->size != pfp_req_size) { 2390 printk(KERN_ERR 2391 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2392 rdev->pfp_fw->size, fw_name); 2393 err = -EINVAL; 2394 goto out; 2395 } 2396 2397 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 2398 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 2399 if (err) 2400 goto out; 2401 if (rdev->me_fw->size != me_req_size) { 2402 printk(KERN_ERR 2403 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2404 rdev->me_fw->size, fw_name); 2405 err = -EINVAL; 2406 } 2407 2408 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 2409 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev); 2410 if (err) 2411 goto out; 2412 if (rdev->rlc_fw->size != rlc_req_size) { 2413 printk(KERN_ERR 2414 "r600_rlc: Bogus length %zu in firmware \"%s\"\n", 2415 rdev->rlc_fw->size, fw_name); 2416 err = -EINVAL; 2417 } 2418 2419 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) { 2420 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name); 2421 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); 2422 if (err) { 2423 printk(KERN_ERR 2424 "smc: error loading firmware \"%s\"\n", 2425 fw_name); 2426 release_firmware(rdev->smc_fw); 2427 rdev->smc_fw = NULL; 2428 err = 0; 2429 } else if (rdev->smc_fw->size != smc_req_size) { 2430 printk(KERN_ERR 2431 "smc: Bogus length %zu in firmware \"%s\"\n", 2432 rdev->smc_fw->size, fw_name); 2433 err = -EINVAL; 2434 } 2435 } 2436 2437 out: 2438 if (err) { 2439 if (err != -EINVAL) 2440 printk(KERN_ERR 2441 "r600_cp: Failed to load firmware \"%s\"\n", 2442 fw_name); 2443 release_firmware(rdev->pfp_fw); 2444 rdev->pfp_fw = NULL; 2445 release_firmware(rdev->me_fw); 2446 rdev->me_fw = NULL; 2447 release_firmware(rdev->rlc_fw); 2448 rdev->rlc_fw = NULL; 2449 release_firmware(rdev->smc_fw); 2450 rdev->smc_fw = NULL; 2451 } 2452 return err; 2453 } 2454 2455 u32 r600_gfx_get_rptr(struct radeon_device *rdev, 2456 struct radeon_ring *ring) 2457 { 2458 u32 rptr; 2459 2460 if (rdev->wb.enabled) 2461 rptr = rdev->wb.wb[ring->rptr_offs/4]; 2462 else 2463 rptr = RREG32(R600_CP_RB_RPTR); 2464 2465 return rptr; 2466 } 2467 2468 u32 r600_gfx_get_wptr(struct radeon_device *rdev, 2469 struct radeon_ring *ring) 2470 { 2471 u32 wptr; 2472 2473 wptr = RREG32(R600_CP_RB_WPTR); 2474 2475 return wptr; 2476 } 2477 2478 void r600_gfx_set_wptr(struct radeon_device *rdev, 2479 struct radeon_ring *ring) 2480 { 2481 WREG32(R600_CP_RB_WPTR, ring->wptr); 2482 (void)RREG32(R600_CP_RB_WPTR); 2483 } 2484 2485 static int r600_cp_load_microcode(struct radeon_device *rdev) 2486 { 2487 const __be32 *fw_data; 2488 int i; 2489 2490 if (!rdev->me_fw || !rdev->pfp_fw) 2491 return -EINVAL; 2492 2493 r600_cp_stop(rdev); 2494 2495 WREG32(CP_RB_CNTL, 2496 #ifdef __BIG_ENDIAN 2497 BUF_SWAP_32BIT | 2498 #endif 2499 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2500 2501 /* Reset cp */ 2502 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2503 RREG32(GRBM_SOFT_RESET); 2504 mdelay(15); 2505 WREG32(GRBM_SOFT_RESET, 0); 2506 2507 WREG32(CP_ME_RAM_WADDR, 0); 2508 2509 fw_data = (const __be32 *)rdev->me_fw->data; 2510 WREG32(CP_ME_RAM_WADDR, 0); 2511 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++) 2512 WREG32(CP_ME_RAM_DATA, 2513 be32_to_cpup(fw_data++)); 2514 2515 fw_data = (const __be32 *)rdev->pfp_fw->data; 2516 WREG32(CP_PFP_UCODE_ADDR, 0); 2517 for (i = 0; i < R600_PFP_UCODE_SIZE; i++) 2518 WREG32(CP_PFP_UCODE_DATA, 2519 be32_to_cpup(fw_data++)); 2520 2521 WREG32(CP_PFP_UCODE_ADDR, 0); 2522 WREG32(CP_ME_RAM_WADDR, 0); 2523 WREG32(CP_ME_RAM_RADDR, 0); 2524 return 0; 2525 } 2526 2527 int r600_cp_start(struct radeon_device *rdev) 2528 { 2529 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2530 int r; 2531 uint32_t cp_me; 2532 2533 r = radeon_ring_lock(rdev, ring, 7); 2534 if (r) { 2535 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2536 return r; 2537 } 2538 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 2539 radeon_ring_write(ring, 0x1); 2540 if (rdev->family >= CHIP_RV770) { 2541 radeon_ring_write(ring, 0x0); 2542 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1); 2543 } else { 2544 radeon_ring_write(ring, 0x3); 2545 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1); 2546 } 2547 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 2548 radeon_ring_write(ring, 0); 2549 radeon_ring_write(ring, 0); 2550 radeon_ring_unlock_commit(rdev, ring, false); 2551 2552 cp_me = 0xff; 2553 WREG32(R_0086D8_CP_ME_CNTL, cp_me); 2554 return 0; 2555 } 2556 2557 int r600_cp_resume(struct radeon_device *rdev) 2558 { 2559 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2560 u32 tmp; 2561 u32 rb_bufsz; 2562 int r; 2563 2564 /* Reset cp */ 2565 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2566 RREG32(GRBM_SOFT_RESET); 2567 mdelay(15); 2568 WREG32(GRBM_SOFT_RESET, 0); 2569 2570 /* Set ring buffer size */ 2571 rb_bufsz = order_base_2(ring->ring_size / 8); 2572 tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2573 #ifdef __BIG_ENDIAN 2574 tmp |= BUF_SWAP_32BIT; 2575 #endif 2576 WREG32(CP_RB_CNTL, tmp); 2577 WREG32(CP_SEM_WAIT_TIMER, 0x0); 2578 2579 /* Set the write pointer delay */ 2580 WREG32(CP_RB_WPTR_DELAY, 0); 2581 2582 /* Initialize the ring buffer's read and write pointers */ 2583 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2584 WREG32(CP_RB_RPTR_WR, 0); 2585 ring->wptr = 0; 2586 WREG32(CP_RB_WPTR, ring->wptr); 2587 2588 /* set the wb address whether it's enabled or not */ 2589 WREG32(CP_RB_RPTR_ADDR, 2590 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 2591 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2592 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2593 2594 if (rdev->wb.enabled) 2595 WREG32(SCRATCH_UMSK, 0xff); 2596 else { 2597 tmp |= RB_NO_UPDATE; 2598 WREG32(SCRATCH_UMSK, 0); 2599 } 2600 2601 mdelay(1); 2602 WREG32(CP_RB_CNTL, tmp); 2603 2604 WREG32(CP_RB_BASE, ring->gpu_addr >> 8); 2605 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 2606 2607 r600_cp_start(rdev); 2608 ring->ready = true; 2609 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 2610 if (r) { 2611 ring->ready = false; 2612 return r; 2613 } 2614 2615 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2616 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 2617 2618 return 0; 2619 } 2620 2621 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size) 2622 { 2623 u32 rb_bufsz; 2624 int r; 2625 2626 /* Align ring size */ 2627 rb_bufsz = order_base_2(ring_size / 8); 2628 ring_size = (1 << (rb_bufsz + 1)) * 4; 2629 ring->ring_size = ring_size; 2630 ring->align_mask = 16 - 1; 2631 2632 if (radeon_ring_supports_scratch_reg(rdev, ring)) { 2633 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 2634 if (r) { 2635 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 2636 ring->rptr_save_reg = 0; 2637 } 2638 } 2639 } 2640 2641 void r600_cp_fini(struct radeon_device *rdev) 2642 { 2643 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2644 r600_cp_stop(rdev); 2645 radeon_ring_fini(rdev, ring); 2646 radeon_scratch_free(rdev, ring->rptr_save_reg); 2647 } 2648 2649 /* 2650 * GPU scratch registers helpers function. 2651 */ 2652 void r600_scratch_init(struct radeon_device *rdev) 2653 { 2654 int i; 2655 2656 rdev->scratch.num_reg = 7; 2657 rdev->scratch.reg_base = SCRATCH_REG0; 2658 for (i = 0; i < rdev->scratch.num_reg; i++) { 2659 rdev->scratch.free[i] = true; 2660 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 2661 } 2662 } 2663 2664 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 2665 { 2666 uint32_t scratch; 2667 uint32_t tmp = 0; 2668 unsigned i; 2669 int r; 2670 2671 r = radeon_scratch_get(rdev, &scratch); 2672 if (r) { 2673 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 2674 return r; 2675 } 2676 WREG32(scratch, 0xCAFEDEAD); 2677 r = radeon_ring_lock(rdev, ring, 3); 2678 if (r) { 2679 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r); 2680 radeon_scratch_free(rdev, scratch); 2681 return r; 2682 } 2683 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2684 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2685 radeon_ring_write(ring, 0xDEADBEEF); 2686 radeon_ring_unlock_commit(rdev, ring, false); 2687 for (i = 0; i < rdev->usec_timeout; i++) { 2688 tmp = RREG32(scratch); 2689 if (tmp == 0xDEADBEEF) 2690 break; 2691 DRM_UDELAY(1); 2692 } 2693 if (i < rdev->usec_timeout) { 2694 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); 2695 } else { 2696 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n", 2697 ring->idx, scratch, tmp); 2698 r = -EINVAL; 2699 } 2700 radeon_scratch_free(rdev, scratch); 2701 return r; 2702 } 2703 2704 /* 2705 * CP fences/semaphores 2706 */ 2707 2708 void r600_fence_ring_emit(struct radeon_device *rdev, 2709 struct radeon_fence *fence) 2710 { 2711 struct radeon_ring *ring = &rdev->ring[fence->ring]; 2712 u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | 2713 PACKET3_SH_ACTION_ENA; 2714 2715 if (rdev->family >= CHIP_RV770) 2716 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; 2717 2718 if (rdev->wb.use_event) { 2719 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 2720 /* flush read cache over gart */ 2721 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2722 radeon_ring_write(ring, cp_coher_cntl); 2723 radeon_ring_write(ring, 0xFFFFFFFF); 2724 radeon_ring_write(ring, 0); 2725 radeon_ring_write(ring, 10); /* poll interval */ 2726 /* EVENT_WRITE_EOP - flush caches, send int */ 2727 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 2728 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 2729 radeon_ring_write(ring, lower_32_bits(addr)); 2730 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 2731 radeon_ring_write(ring, fence->seq); 2732 radeon_ring_write(ring, 0); 2733 } else { 2734 /* flush read cache over gart */ 2735 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2736 radeon_ring_write(ring, cp_coher_cntl); 2737 radeon_ring_write(ring, 0xFFFFFFFF); 2738 radeon_ring_write(ring, 0); 2739 radeon_ring_write(ring, 10); /* poll interval */ 2740 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); 2741 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0)); 2742 /* wait for 3D idle clean */ 2743 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2744 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2745 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2746 /* Emit fence sequence & fire IRQ */ 2747 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2748 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2749 radeon_ring_write(ring, fence->seq); 2750 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2751 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0)); 2752 radeon_ring_write(ring, RB_INT_STAT); 2753 } 2754 } 2755 2756 /** 2757 * r600_semaphore_ring_emit - emit a semaphore on the CP ring 2758 * 2759 * @rdev: radeon_device pointer 2760 * @ring: radeon ring buffer object 2761 * @semaphore: radeon semaphore object 2762 * @emit_wait: Is this a sempahore wait? 2763 * 2764 * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP 2765 * from running ahead of semaphore waits. 2766 */ 2767 bool r600_semaphore_ring_emit(struct radeon_device *rdev, 2768 struct radeon_ring *ring, 2769 struct radeon_semaphore *semaphore, 2770 bool emit_wait) 2771 { 2772 uint64_t addr = semaphore->gpu_addr; 2773 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; 2774 2775 if (rdev->family < CHIP_CAYMAN) 2776 sel |= PACKET3_SEM_WAIT_ON_SIGNAL; 2777 2778 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); 2779 radeon_ring_write(ring, lower_32_bits(addr)); 2780 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel); 2781 2782 /* PFP_SYNC_ME packet only exists on 7xx+ */ 2783 if (emit_wait && (rdev->family >= CHIP_RV770)) { 2784 /* Prevent the PFP from running ahead of the semaphore wait */ 2785 radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); 2786 radeon_ring_write(ring, 0x0); 2787 } 2788 2789 return true; 2790 } 2791 2792 /** 2793 * r600_copy_cpdma - copy pages using the CP DMA engine 2794 * 2795 * @rdev: radeon_device pointer 2796 * @src_offset: src GPU address 2797 * @dst_offset: dst GPU address 2798 * @num_gpu_pages: number of GPU pages to xfer 2799 * @fence: radeon fence object 2800 * 2801 * Copy GPU paging using the CP DMA engine (r6xx+). 2802 * Used by the radeon ttm implementation to move pages if 2803 * registered as the asic copy callback. 2804 */ 2805 int r600_copy_cpdma(struct radeon_device *rdev, 2806 uint64_t src_offset, uint64_t dst_offset, 2807 unsigned num_gpu_pages, 2808 struct radeon_fence **fence) 2809 { 2810 struct radeon_semaphore *sem = NULL; 2811 int ring_index = rdev->asic->copy.blit_ring_index; 2812 struct radeon_ring *ring = &rdev->ring[ring_index]; 2813 u32 size_in_bytes, cur_size_in_bytes, tmp; 2814 int i, num_loops; 2815 int r = 0; 2816 2817 r = radeon_semaphore_create(rdev, &sem); 2818 if (r) { 2819 DRM_ERROR("radeon: moving bo (%d).\n", r); 2820 return r; 2821 } 2822 2823 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT); 2824 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff); 2825 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24); 2826 if (r) { 2827 DRM_ERROR("radeon: moving bo (%d).\n", r); 2828 radeon_semaphore_free(rdev, &sem, NULL); 2829 return r; 2830 } 2831 2832 radeon_semaphore_sync_to(sem, *fence); 2833 radeon_semaphore_sync_rings(rdev, sem, ring->idx); 2834 2835 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2836 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2837 radeon_ring_write(ring, WAIT_3D_IDLE_bit); 2838 for (i = 0; i < num_loops; i++) { 2839 cur_size_in_bytes = size_in_bytes; 2840 if (cur_size_in_bytes > 0x1fffff) 2841 cur_size_in_bytes = 0x1fffff; 2842 size_in_bytes -= cur_size_in_bytes; 2843 tmp = upper_32_bits(src_offset) & 0xff; 2844 if (size_in_bytes == 0) 2845 tmp |= PACKET3_CP_DMA_CP_SYNC; 2846 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4)); 2847 radeon_ring_write(ring, lower_32_bits(src_offset)); 2848 radeon_ring_write(ring, tmp); 2849 radeon_ring_write(ring, lower_32_bits(dst_offset)); 2850 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); 2851 radeon_ring_write(ring, cur_size_in_bytes); 2852 src_offset += cur_size_in_bytes; 2853 dst_offset += cur_size_in_bytes; 2854 } 2855 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2856 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2857 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit); 2858 2859 r = radeon_fence_emit(rdev, fence, ring->idx); 2860 if (r) { 2861 radeon_ring_unlock_undo(rdev, ring); 2862 radeon_semaphore_free(rdev, &sem, NULL); 2863 return r; 2864 } 2865 2866 radeon_ring_unlock_commit(rdev, ring, false); 2867 radeon_semaphore_free(rdev, &sem, *fence); 2868 2869 return r; 2870 } 2871 2872 int r600_set_surface_reg(struct radeon_device *rdev, int reg, 2873 uint32_t tiling_flags, uint32_t pitch, 2874 uint32_t offset, uint32_t obj_size) 2875 { 2876 /* FIXME: implement */ 2877 return 0; 2878 } 2879 2880 void r600_clear_surface_reg(struct radeon_device *rdev, int reg) 2881 { 2882 /* FIXME: implement */ 2883 } 2884 2885 static int r600_startup(struct radeon_device *rdev) 2886 { 2887 struct radeon_ring *ring; 2888 int r; 2889 2890 /* enable pcie gen2 link */ 2891 r600_pcie_gen2_enable(rdev); 2892 2893 /* scratch needs to be initialized before MC */ 2894 r = r600_vram_scratch_init(rdev); 2895 if (r) 2896 return r; 2897 2898 r600_mc_program(rdev); 2899 2900 if (rdev->flags & RADEON_IS_AGP) { 2901 r600_agp_enable(rdev); 2902 } else { 2903 r = r600_pcie_gart_enable(rdev); 2904 if (r) 2905 return r; 2906 } 2907 r600_gpu_init(rdev); 2908 2909 /* allocate wb buffer */ 2910 r = radeon_wb_init(rdev); 2911 if (r) 2912 return r; 2913 2914 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 2915 if (r) { 2916 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 2917 return r; 2918 } 2919 2920 /* Enable IRQ */ 2921 if (!rdev->irq.installed) { 2922 r = radeon_irq_kms_init(rdev); 2923 if (r) 2924 return r; 2925 } 2926 2927 r = r600_irq_init(rdev); 2928 if (r) { 2929 DRM_ERROR("radeon: IH init failed (%d).\n", r); 2930 radeon_irq_kms_fini(rdev); 2931 return r; 2932 } 2933 r600_irq_set(rdev); 2934 2935 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2936 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 2937 RADEON_CP_PACKET2); 2938 if (r) 2939 return r; 2940 2941 r = r600_cp_load_microcode(rdev); 2942 if (r) 2943 return r; 2944 r = r600_cp_resume(rdev); 2945 if (r) 2946 return r; 2947 2948 r = radeon_ib_pool_init(rdev); 2949 if (r) { 2950 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 2951 return r; 2952 } 2953 2954 r = r600_audio_init(rdev); 2955 if (r) { 2956 DRM_ERROR("radeon: audio init failed\n"); 2957 return r; 2958 } 2959 2960 return 0; 2961 } 2962 2963 void r600_vga_set_state(struct radeon_device *rdev, bool state) 2964 { 2965 uint32_t temp; 2966 2967 temp = RREG32(CONFIG_CNTL); 2968 if (state == false) { 2969 temp &= ~(1<<0); 2970 temp |= (1<<1); 2971 } else { 2972 temp &= ~(1<<1); 2973 } 2974 WREG32(CONFIG_CNTL, temp); 2975 } 2976 2977 int r600_resume(struct radeon_device *rdev) 2978 { 2979 int r; 2980 2981 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, 2982 * posting will perform necessary task to bring back GPU into good 2983 * shape. 2984 */ 2985 /* post card */ 2986 atom_asic_init(rdev->mode_info.atom_context); 2987 2988 if (rdev->pm.pm_method == PM_METHOD_DPM) 2989 radeon_pm_resume(rdev); 2990 2991 rdev->accel_working = true; 2992 r = r600_startup(rdev); 2993 if (r) { 2994 DRM_ERROR("r600 startup failed on resume\n"); 2995 rdev->accel_working = false; 2996 return r; 2997 } 2998 2999 return r; 3000 } 3001 3002 int r600_suspend(struct radeon_device *rdev) 3003 { 3004 radeon_pm_suspend(rdev); 3005 r600_audio_fini(rdev); 3006 r600_cp_stop(rdev); 3007 r600_irq_suspend(rdev); 3008 radeon_wb_disable(rdev); 3009 r600_pcie_gart_disable(rdev); 3010 3011 return 0; 3012 } 3013 3014 /* Plan is to move initialization in that function and use 3015 * helper function so that radeon_device_init pretty much 3016 * do nothing more than calling asic specific function. This 3017 * should also allow to remove a bunch of callback function 3018 * like vram_info. 3019 */ 3020 int r600_init(struct radeon_device *rdev) 3021 { 3022 int r; 3023 3024 if (r600_debugfs_mc_info_init(rdev)) { 3025 DRM_ERROR("Failed to register debugfs file for mc !\n"); 3026 } 3027 /* Read BIOS */ 3028 if (!radeon_get_bios(rdev)) { 3029 if (ASIC_IS_AVIVO(rdev)) 3030 return -EINVAL; 3031 } 3032 /* Must be an ATOMBIOS */ 3033 if (!rdev->is_atom_bios) { 3034 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); 3035 return -EINVAL; 3036 } 3037 r = radeon_atombios_init(rdev); 3038 if (r) 3039 return r; 3040 /* Post card if necessary */ 3041 if (!radeon_card_posted(rdev)) { 3042 if (!rdev->bios) { 3043 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 3044 return -EINVAL; 3045 } 3046 DRM_INFO("GPU not posted. posting now...\n"); 3047 atom_asic_init(rdev->mode_info.atom_context); 3048 } 3049 /* Initialize scratch registers */ 3050 r600_scratch_init(rdev); 3051 /* Initialize surface registers */ 3052 radeon_surface_init(rdev); 3053 /* Initialize clocks */ 3054 radeon_get_clock_info(rdev->ddev); 3055 /* Fence driver */ 3056 r = radeon_fence_driver_init(rdev); 3057 if (r) 3058 return r; 3059 if (rdev->flags & RADEON_IS_AGP) { 3060 r = radeon_agp_init(rdev); 3061 if (r) 3062 radeon_agp_disable(rdev); 3063 } 3064 r = r600_mc_init(rdev); 3065 if (r) 3066 return r; 3067 /* Memory manager */ 3068 r = radeon_bo_init(rdev); 3069 if (r) 3070 return r; 3071 3072 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 3073 r = r600_init_microcode(rdev); 3074 if (r) { 3075 DRM_ERROR("Failed to load firmware!\n"); 3076 return r; 3077 } 3078 } 3079 3080 /* Initialize power management */ 3081 radeon_pm_init(rdev); 3082 3083 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; 3084 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); 3085 3086 rdev->ih.ring_obj = NULL; 3087 r600_ih_ring_init(rdev, 64 * 1024); 3088 3089 r = r600_pcie_gart_init(rdev); 3090 if (r) 3091 return r; 3092 3093 rdev->accel_working = true; 3094 r = r600_startup(rdev); 3095 if (r) { 3096 dev_err(rdev->dev, "disabling GPU acceleration\n"); 3097 r600_cp_fini(rdev); 3098 r600_irq_fini(rdev); 3099 radeon_wb_fini(rdev); 3100 radeon_ib_pool_fini(rdev); 3101 radeon_irq_kms_fini(rdev); 3102 r600_pcie_gart_fini(rdev); 3103 rdev->accel_working = false; 3104 } 3105 3106 return 0; 3107 } 3108 3109 void r600_fini(struct radeon_device *rdev) 3110 { 3111 radeon_pm_fini(rdev); 3112 r600_audio_fini(rdev); 3113 r600_cp_fini(rdev); 3114 r600_irq_fini(rdev); 3115 radeon_wb_fini(rdev); 3116 radeon_ib_pool_fini(rdev); 3117 radeon_irq_kms_fini(rdev); 3118 r600_pcie_gart_fini(rdev); 3119 r600_vram_scratch_fini(rdev); 3120 radeon_agp_fini(rdev); 3121 radeon_gem_fini(rdev); 3122 radeon_fence_driver_fini(rdev); 3123 radeon_bo_fini(rdev); 3124 radeon_atombios_fini(rdev); 3125 kfree(rdev->bios); 3126 rdev->bios = NULL; 3127 } 3128 3129 3130 /* 3131 * CS stuff 3132 */ 3133 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3134 { 3135 struct radeon_ring *ring = &rdev->ring[ib->ring]; 3136 u32 next_rptr; 3137 3138 if (ring->rptr_save_reg) { 3139 next_rptr = ring->wptr + 3 + 4; 3140 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 3141 radeon_ring_write(ring, ((ring->rptr_save_reg - 3142 PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 3143 radeon_ring_write(ring, next_rptr); 3144 } else if (rdev->wb.enabled) { 3145 next_rptr = ring->wptr + 5 + 4; 3146 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3)); 3147 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 3148 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18)); 3149 radeon_ring_write(ring, next_rptr); 3150 radeon_ring_write(ring, 0); 3151 } 3152 3153 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 3154 radeon_ring_write(ring, 3155 #ifdef __BIG_ENDIAN 3156 (2 << 0) | 3157 #endif 3158 (ib->gpu_addr & 0xFFFFFFFC)); 3159 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 3160 radeon_ring_write(ring, ib->length_dw); 3161 } 3162 3163 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3164 { 3165 struct radeon_ib ib; 3166 uint32_t scratch; 3167 uint32_t tmp = 0; 3168 unsigned i; 3169 int r; 3170 3171 r = radeon_scratch_get(rdev, &scratch); 3172 if (r) { 3173 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3174 return r; 3175 } 3176 WREG32(scratch, 0xCAFEDEAD); 3177 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); 3178 if (r) { 3179 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3180 goto free_scratch; 3181 } 3182 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); 3183 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 3184 ib.ptr[2] = 0xDEADBEEF; 3185 ib.length_dw = 3; 3186 r = radeon_ib_schedule(rdev, &ib, NULL, false); 3187 if (r) { 3188 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3189 goto free_ib; 3190 } 3191 r = radeon_fence_wait(ib.fence, false); 3192 if (r) { 3193 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3194 goto free_ib; 3195 } 3196 for (i = 0; i < rdev->usec_timeout; i++) { 3197 tmp = RREG32(scratch); 3198 if (tmp == 0xDEADBEEF) 3199 break; 3200 DRM_UDELAY(1); 3201 } 3202 if (i < rdev->usec_timeout) { 3203 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i); 3204 } else { 3205 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3206 scratch, tmp); 3207 r = -EINVAL; 3208 } 3209 free_ib: 3210 radeon_ib_free(rdev, &ib); 3211 free_scratch: 3212 radeon_scratch_free(rdev, scratch); 3213 return r; 3214 } 3215 3216 /* 3217 * Interrupts 3218 * 3219 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty 3220 * the same as the CP ring buffer, but in reverse. Rather than the CPU 3221 * writing to the ring and the GPU consuming, the GPU writes to the ring 3222 * and host consumes. As the host irq handler processes interrupts, it 3223 * increments the rptr. When the rptr catches up with the wptr, all the 3224 * current interrupts have been processed. 3225 */ 3226 3227 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) 3228 { 3229 u32 rb_bufsz; 3230 3231 /* Align ring size */ 3232 rb_bufsz = order_base_2(ring_size / 4); 3233 ring_size = (1 << rb_bufsz) * 4; 3234 rdev->ih.ring_size = ring_size; 3235 rdev->ih.ptr_mask = rdev->ih.ring_size - 1; 3236 rdev->ih.rptr = 0; 3237 } 3238 3239 int r600_ih_ring_alloc(struct radeon_device *rdev) 3240 { 3241 int r; 3242 3243 /* Allocate ring buffer */ 3244 if (rdev->ih.ring_obj == NULL) { 3245 r = radeon_bo_create(rdev, rdev->ih.ring_size, 3246 PAGE_SIZE, true, 3247 RADEON_GEM_DOMAIN_GTT, 0, 3248 NULL, &rdev->ih.ring_obj); 3249 if (r) { 3250 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); 3251 return r; 3252 } 3253 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3254 if (unlikely(r != 0)) 3255 return r; 3256 r = radeon_bo_pin(rdev->ih.ring_obj, 3257 RADEON_GEM_DOMAIN_GTT, 3258 &rdev->ih.gpu_addr); 3259 if (r) { 3260 radeon_bo_unreserve(rdev->ih.ring_obj); 3261 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); 3262 return r; 3263 } 3264 r = radeon_bo_kmap(rdev->ih.ring_obj, 3265 (void **)&rdev->ih.ring); 3266 radeon_bo_unreserve(rdev->ih.ring_obj); 3267 if (r) { 3268 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); 3269 return r; 3270 } 3271 } 3272 return 0; 3273 } 3274 3275 void r600_ih_ring_fini(struct radeon_device *rdev) 3276 { 3277 int r; 3278 if (rdev->ih.ring_obj) { 3279 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3280 if (likely(r == 0)) { 3281 radeon_bo_kunmap(rdev->ih.ring_obj); 3282 radeon_bo_unpin(rdev->ih.ring_obj); 3283 radeon_bo_unreserve(rdev->ih.ring_obj); 3284 } 3285 radeon_bo_unref(&rdev->ih.ring_obj); 3286 rdev->ih.ring = NULL; 3287 rdev->ih.ring_obj = NULL; 3288 } 3289 } 3290 3291 void r600_rlc_stop(struct radeon_device *rdev) 3292 { 3293 3294 if ((rdev->family >= CHIP_RV770) && 3295 (rdev->family <= CHIP_RV740)) { 3296 /* r7xx asics need to soft reset RLC before halting */ 3297 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); 3298 RREG32(SRBM_SOFT_RESET); 3299 mdelay(15); 3300 WREG32(SRBM_SOFT_RESET, 0); 3301 RREG32(SRBM_SOFT_RESET); 3302 } 3303 3304 WREG32(RLC_CNTL, 0); 3305 } 3306 3307 static void r600_rlc_start(struct radeon_device *rdev) 3308 { 3309 WREG32(RLC_CNTL, RLC_ENABLE); 3310 } 3311 3312 static int r600_rlc_resume(struct radeon_device *rdev) 3313 { 3314 u32 i; 3315 const __be32 *fw_data; 3316 3317 if (!rdev->rlc_fw) 3318 return -EINVAL; 3319 3320 r600_rlc_stop(rdev); 3321 3322 WREG32(RLC_HB_CNTL, 0); 3323 3324 WREG32(RLC_HB_BASE, 0); 3325 WREG32(RLC_HB_RPTR, 0); 3326 WREG32(RLC_HB_WPTR, 0); 3327 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 3328 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 3329 WREG32(RLC_MC_CNTL, 0); 3330 WREG32(RLC_UCODE_CNTL, 0); 3331 3332 fw_data = (const __be32 *)rdev->rlc_fw->data; 3333 if (rdev->family >= CHIP_RV770) { 3334 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { 3335 WREG32(RLC_UCODE_ADDR, i); 3336 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3337 } 3338 } else { 3339 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) { 3340 WREG32(RLC_UCODE_ADDR, i); 3341 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3342 } 3343 } 3344 WREG32(RLC_UCODE_ADDR, 0); 3345 3346 r600_rlc_start(rdev); 3347 3348 return 0; 3349 } 3350 3351 static void r600_enable_interrupts(struct radeon_device *rdev) 3352 { 3353 u32 ih_cntl = RREG32(IH_CNTL); 3354 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3355 3356 ih_cntl |= ENABLE_INTR; 3357 ih_rb_cntl |= IH_RB_ENABLE; 3358 WREG32(IH_CNTL, ih_cntl); 3359 WREG32(IH_RB_CNTL, ih_rb_cntl); 3360 rdev->ih.enabled = true; 3361 } 3362 3363 void r600_disable_interrupts(struct radeon_device *rdev) 3364 { 3365 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3366 u32 ih_cntl = RREG32(IH_CNTL); 3367 3368 ih_rb_cntl &= ~IH_RB_ENABLE; 3369 ih_cntl &= ~ENABLE_INTR; 3370 WREG32(IH_RB_CNTL, ih_rb_cntl); 3371 WREG32(IH_CNTL, ih_cntl); 3372 /* set rptr, wptr to 0 */ 3373 WREG32(IH_RB_RPTR, 0); 3374 WREG32(IH_RB_WPTR, 0); 3375 rdev->ih.enabled = false; 3376 rdev->ih.rptr = 0; 3377 } 3378 3379 static void r600_disable_interrupt_state(struct radeon_device *rdev) 3380 { 3381 u32 tmp; 3382 3383 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 3384 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3385 WREG32(DMA_CNTL, tmp); 3386 WREG32(GRBM_INT_CNTL, 0); 3387 WREG32(DxMODE_INT_MASK, 0); 3388 WREG32(D1GRPH_INTERRUPT_CONTROL, 0); 3389 WREG32(D2GRPH_INTERRUPT_CONTROL, 0); 3390 if (ASIC_IS_DCE3(rdev)) { 3391 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 3392 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 3393 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3394 WREG32(DC_HPD1_INT_CONTROL, tmp); 3395 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3396 WREG32(DC_HPD2_INT_CONTROL, tmp); 3397 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3398 WREG32(DC_HPD3_INT_CONTROL, tmp); 3399 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3400 WREG32(DC_HPD4_INT_CONTROL, tmp); 3401 if (ASIC_IS_DCE32(rdev)) { 3402 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3403 WREG32(DC_HPD5_INT_CONTROL, tmp); 3404 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3405 WREG32(DC_HPD6_INT_CONTROL, tmp); 3406 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3407 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 3408 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3409 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 3410 } else { 3411 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3412 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3413 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3414 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 3415 } 3416 } else { 3417 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 3418 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 3419 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3420 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3421 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3422 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3423 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3424 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3425 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3426 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3427 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3428 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 3429 } 3430 } 3431 3432 int r600_irq_init(struct radeon_device *rdev) 3433 { 3434 int ret = 0; 3435 int rb_bufsz; 3436 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 3437 3438 /* allocate ring */ 3439 ret = r600_ih_ring_alloc(rdev); 3440 if (ret) 3441 return ret; 3442 3443 /* disable irqs */ 3444 r600_disable_interrupts(rdev); 3445 3446 /* init rlc */ 3447 if (rdev->family >= CHIP_CEDAR) 3448 ret = evergreen_rlc_resume(rdev); 3449 else 3450 ret = r600_rlc_resume(rdev); 3451 if (ret) { 3452 r600_ih_ring_fini(rdev); 3453 return ret; 3454 } 3455 3456 /* setup interrupt control */ 3457 /* set dummy read address to ring address */ 3458 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); 3459 interrupt_cntl = RREG32(INTERRUPT_CNTL); 3460 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 3461 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 3462 */ 3463 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 3464 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 3465 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 3466 WREG32(INTERRUPT_CNTL, interrupt_cntl); 3467 3468 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 3469 rb_bufsz = order_base_2(rdev->ih.ring_size / 4); 3470 3471 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 3472 IH_WPTR_OVERFLOW_CLEAR | 3473 (rb_bufsz << 1)); 3474 3475 if (rdev->wb.enabled) 3476 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 3477 3478 /* set the writeback address whether it's enabled or not */ 3479 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 3480 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 3481 3482 WREG32(IH_RB_CNTL, ih_rb_cntl); 3483 3484 /* set rptr, wptr to 0 */ 3485 WREG32(IH_RB_RPTR, 0); 3486 WREG32(IH_RB_WPTR, 0); 3487 3488 /* Default settings for IH_CNTL (disabled at first) */ 3489 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); 3490 /* RPTR_REARM only works if msi's are enabled */ 3491 if (rdev->msi_enabled) 3492 ih_cntl |= RPTR_REARM; 3493 WREG32(IH_CNTL, ih_cntl); 3494 3495 /* force the active interrupt state to all disabled */ 3496 if (rdev->family >= CHIP_CEDAR) 3497 evergreen_disable_interrupt_state(rdev); 3498 else 3499 r600_disable_interrupt_state(rdev); 3500 3501 /* at this point everything should be setup correctly to enable master */ 3502 pci_set_master(rdev->pdev); 3503 3504 /* enable irqs */ 3505 r600_enable_interrupts(rdev); 3506 3507 return ret; 3508 } 3509 3510 void r600_irq_suspend(struct radeon_device *rdev) 3511 { 3512 r600_irq_disable(rdev); 3513 r600_rlc_stop(rdev); 3514 } 3515 3516 void r600_irq_fini(struct radeon_device *rdev) 3517 { 3518 r600_irq_suspend(rdev); 3519 r600_ih_ring_fini(rdev); 3520 } 3521 3522 int r600_irq_set(struct radeon_device *rdev) 3523 { 3524 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3525 u32 mode_int = 0; 3526 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3527 u32 grbm_int_cntl = 0; 3528 u32 hdmi0, hdmi1; 3529 u32 dma_cntl; 3530 u32 thermal_int = 0; 3531 3532 if (!rdev->irq.installed) { 3533 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 3534 return -EINVAL; 3535 } 3536 /* don't enable anything if the ih is disabled */ 3537 if (!rdev->ih.enabled) { 3538 r600_disable_interrupts(rdev); 3539 /* force the active interrupt state to all disabled */ 3540 r600_disable_interrupt_state(rdev); 3541 return 0; 3542 } 3543 3544 if (ASIC_IS_DCE3(rdev)) { 3545 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3546 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3547 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3548 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3549 if (ASIC_IS_DCE32(rdev)) { 3550 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3551 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3552 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3553 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3554 } else { 3555 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3556 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3557 } 3558 } else { 3559 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3560 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3561 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3562 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3563 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3564 } 3565 3566 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3567 3568 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3569 thermal_int = RREG32(CG_THERMAL_INT) & 3570 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3571 } else if (rdev->family >= CHIP_RV770) { 3572 thermal_int = RREG32(RV770_CG_THERMAL_INT) & 3573 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3574 } 3575 if (rdev->irq.dpm_thermal) { 3576 DRM_DEBUG("dpm thermal\n"); 3577 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; 3578 } 3579 3580 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 3581 DRM_DEBUG("r600_irq_set: sw int\n"); 3582 cp_int_cntl |= RB_INT_ENABLE; 3583 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3584 } 3585 3586 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { 3587 DRM_DEBUG("r600_irq_set: sw int dma\n"); 3588 dma_cntl |= TRAP_ENABLE; 3589 } 3590 3591 if (rdev->irq.crtc_vblank_int[0] || 3592 atomic_read(&rdev->irq.pflip[0])) { 3593 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3594 mode_int |= D1MODE_VBLANK_INT_MASK; 3595 } 3596 if (rdev->irq.crtc_vblank_int[1] || 3597 atomic_read(&rdev->irq.pflip[1])) { 3598 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3599 mode_int |= D2MODE_VBLANK_INT_MASK; 3600 } 3601 if (rdev->irq.hpd[0]) { 3602 DRM_DEBUG("r600_irq_set: hpd 1\n"); 3603 hpd1 |= DC_HPDx_INT_EN; 3604 } 3605 if (rdev->irq.hpd[1]) { 3606 DRM_DEBUG("r600_irq_set: hpd 2\n"); 3607 hpd2 |= DC_HPDx_INT_EN; 3608 } 3609 if (rdev->irq.hpd[2]) { 3610 DRM_DEBUG("r600_irq_set: hpd 3\n"); 3611 hpd3 |= DC_HPDx_INT_EN; 3612 } 3613 if (rdev->irq.hpd[3]) { 3614 DRM_DEBUG("r600_irq_set: hpd 4\n"); 3615 hpd4 |= DC_HPDx_INT_EN; 3616 } 3617 if (rdev->irq.hpd[4]) { 3618 DRM_DEBUG("r600_irq_set: hpd 5\n"); 3619 hpd5 |= DC_HPDx_INT_EN; 3620 } 3621 if (rdev->irq.hpd[5]) { 3622 DRM_DEBUG("r600_irq_set: hpd 6\n"); 3623 hpd6 |= DC_HPDx_INT_EN; 3624 } 3625 if (rdev->irq.afmt[0]) { 3626 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3627 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3628 } 3629 if (rdev->irq.afmt[1]) { 3630 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3631 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3632 } 3633 3634 WREG32(CP_INT_CNTL, cp_int_cntl); 3635 WREG32(DMA_CNTL, dma_cntl); 3636 WREG32(DxMODE_INT_MASK, mode_int); 3637 WREG32(D1GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); 3638 WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK); 3639 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3640 if (ASIC_IS_DCE3(rdev)) { 3641 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3642 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3643 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3644 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3645 if (ASIC_IS_DCE32(rdev)) { 3646 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3647 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3648 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0); 3649 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1); 3650 } else { 3651 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3652 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3653 } 3654 } else { 3655 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 3656 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 3657 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); 3658 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3659 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3660 } 3661 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3662 WREG32(CG_THERMAL_INT, thermal_int); 3663 } else if (rdev->family >= CHIP_RV770) { 3664 WREG32(RV770_CG_THERMAL_INT, thermal_int); 3665 } 3666 3667 return 0; 3668 } 3669 3670 static void r600_irq_ack(struct radeon_device *rdev) 3671 { 3672 u32 tmp; 3673 3674 if (ASIC_IS_DCE3(rdev)) { 3675 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3676 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3677 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3678 if (ASIC_IS_DCE32(rdev)) { 3679 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0); 3680 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1); 3681 } else { 3682 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3683 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS); 3684 } 3685 } else { 3686 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3687 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3688 rdev->irq.stat_regs.r600.disp_int_cont2 = 0; 3689 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3690 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS); 3691 } 3692 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS); 3693 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS); 3694 3695 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3696 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3697 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3698 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3699 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) 3700 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3701 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) 3702 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3703 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) 3704 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3705 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) 3706 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3707 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3708 if (ASIC_IS_DCE3(rdev)) { 3709 tmp = RREG32(DC_HPD1_INT_CONTROL); 3710 tmp |= DC_HPDx_INT_ACK; 3711 WREG32(DC_HPD1_INT_CONTROL, tmp); 3712 } else { 3713 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 3714 tmp |= DC_HPDx_INT_ACK; 3715 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3716 } 3717 } 3718 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3719 if (ASIC_IS_DCE3(rdev)) { 3720 tmp = RREG32(DC_HPD2_INT_CONTROL); 3721 tmp |= DC_HPDx_INT_ACK; 3722 WREG32(DC_HPD2_INT_CONTROL, tmp); 3723 } else { 3724 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 3725 tmp |= DC_HPDx_INT_ACK; 3726 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3727 } 3728 } 3729 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3730 if (ASIC_IS_DCE3(rdev)) { 3731 tmp = RREG32(DC_HPD3_INT_CONTROL); 3732 tmp |= DC_HPDx_INT_ACK; 3733 WREG32(DC_HPD3_INT_CONTROL, tmp); 3734 } else { 3735 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 3736 tmp |= DC_HPDx_INT_ACK; 3737 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3738 } 3739 } 3740 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3741 tmp = RREG32(DC_HPD4_INT_CONTROL); 3742 tmp |= DC_HPDx_INT_ACK; 3743 WREG32(DC_HPD4_INT_CONTROL, tmp); 3744 } 3745 if (ASIC_IS_DCE32(rdev)) { 3746 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3747 tmp = RREG32(DC_HPD5_INT_CONTROL); 3748 tmp |= DC_HPDx_INT_ACK; 3749 WREG32(DC_HPD5_INT_CONTROL, tmp); 3750 } 3751 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3752 tmp = RREG32(DC_HPD5_INT_CONTROL); 3753 tmp |= DC_HPDx_INT_ACK; 3754 WREG32(DC_HPD6_INT_CONTROL, tmp); 3755 } 3756 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) { 3757 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0); 3758 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 3759 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 3760 } 3761 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) { 3762 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1); 3763 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 3764 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 3765 } 3766 } else { 3767 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { 3768 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL); 3769 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 3770 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3771 } 3772 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { 3773 if (ASIC_IS_DCE3(rdev)) { 3774 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL); 3775 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 3776 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 3777 } else { 3778 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL); 3779 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 3780 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 3781 } 3782 } 3783 } 3784 } 3785 3786 void r600_irq_disable(struct radeon_device *rdev) 3787 { 3788 r600_disable_interrupts(rdev); 3789 /* Wait and acknowledge irq */ 3790 mdelay(1); 3791 r600_irq_ack(rdev); 3792 r600_disable_interrupt_state(rdev); 3793 } 3794 3795 static u32 r600_get_ih_wptr(struct radeon_device *rdev) 3796 { 3797 u32 wptr, tmp; 3798 3799 if (rdev->wb.enabled) 3800 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 3801 else 3802 wptr = RREG32(IH_RB_WPTR); 3803 3804 if (wptr & RB_OVERFLOW) { 3805 /* When a ring buffer overflow happen start parsing interrupt 3806 * from the last not overwritten vector (wptr + 16). Hopefully 3807 * this should allow us to catchup. 3808 */ 3809 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", 3810 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); 3811 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 3812 tmp = RREG32(IH_RB_CNTL); 3813 tmp |= IH_WPTR_OVERFLOW_CLEAR; 3814 WREG32(IH_RB_CNTL, tmp); 3815 wptr &= ~RB_OVERFLOW; 3816 } 3817 return (wptr & rdev->ih.ptr_mask); 3818 } 3819 3820 /* r600 IV Ring 3821 * Each IV ring entry is 128 bits: 3822 * [7:0] - interrupt source id 3823 * [31:8] - reserved 3824 * [59:32] - interrupt source data 3825 * [127:60] - reserved 3826 * 3827 * The basic interrupt vector entries 3828 * are decoded as follows: 3829 * src_id src_data description 3830 * 1 0 D1 Vblank 3831 * 1 1 D1 Vline 3832 * 5 0 D2 Vblank 3833 * 5 1 D2 Vline 3834 * 19 0 FP Hot plug detection A 3835 * 19 1 FP Hot plug detection B 3836 * 19 2 DAC A auto-detection 3837 * 19 3 DAC B auto-detection 3838 * 21 4 HDMI block A 3839 * 21 5 HDMI block B 3840 * 176 - CP_INT RB 3841 * 177 - CP_INT IB1 3842 * 178 - CP_INT IB2 3843 * 181 - EOP Interrupt 3844 * 233 - GUI Idle 3845 * 3846 * Note, these are based on r600 and may need to be 3847 * adjusted or added to on newer asics 3848 */ 3849 3850 int r600_irq_process(struct radeon_device *rdev) 3851 { 3852 u32 wptr; 3853 u32 rptr; 3854 u32 src_id, src_data; 3855 u32 ring_index; 3856 bool queue_hotplug = false; 3857 bool queue_hdmi = false; 3858 bool queue_thermal = false; 3859 3860 if (!rdev->ih.enabled || rdev->shutdown) 3861 return IRQ_NONE; 3862 3863 /* No MSIs, need a dummy read to flush PCI DMAs */ 3864 if (!rdev->msi_enabled) 3865 RREG32(IH_RB_WPTR); 3866 3867 wptr = r600_get_ih_wptr(rdev); 3868 3869 restart_ih: 3870 /* is somebody else already processing irqs? */ 3871 if (atomic_xchg(&rdev->ih.lock, 1)) 3872 return IRQ_NONE; 3873 3874 rptr = rdev->ih.rptr; 3875 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 3876 3877 /* Order reading of wptr vs. reading of IH ring data */ 3878 rmb(); 3879 3880 /* display interrupts */ 3881 r600_irq_ack(rdev); 3882 3883 while (rptr != wptr) { 3884 /* wptr/rptr are in bytes! */ 3885 ring_index = rptr / 4; 3886 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 3887 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 3888 3889 switch (src_id) { 3890 case 1: /* D1 vblank/vline */ 3891 switch (src_data) { 3892 case 0: /* D1 vblank */ 3893 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) { 3894 if (rdev->irq.crtc_vblank_int[0]) { 3895 drm_handle_vblank(rdev->ddev, 0); 3896 rdev->pm.vblank_sync = true; 3897 wake_up(&rdev->irq.vblank_queue); 3898 } 3899 if (atomic_read(&rdev->irq.pflip[0])) 3900 radeon_crtc_handle_vblank(rdev, 0); 3901 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 3902 DRM_DEBUG("IH: D1 vblank\n"); 3903 } 3904 break; 3905 case 1: /* D1 vline */ 3906 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) { 3907 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; 3908 DRM_DEBUG("IH: D1 vline\n"); 3909 } 3910 break; 3911 default: 3912 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3913 break; 3914 } 3915 break; 3916 case 5: /* D2 vblank/vline */ 3917 switch (src_data) { 3918 case 0: /* D2 vblank */ 3919 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) { 3920 if (rdev->irq.crtc_vblank_int[1]) { 3921 drm_handle_vblank(rdev->ddev, 1); 3922 rdev->pm.vblank_sync = true; 3923 wake_up(&rdev->irq.vblank_queue); 3924 } 3925 if (atomic_read(&rdev->irq.pflip[1])) 3926 radeon_crtc_handle_vblank(rdev, 1); 3927 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; 3928 DRM_DEBUG("IH: D2 vblank\n"); 3929 } 3930 break; 3931 case 1: /* D1 vline */ 3932 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) { 3933 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; 3934 DRM_DEBUG("IH: D2 vline\n"); 3935 } 3936 break; 3937 default: 3938 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3939 break; 3940 } 3941 break; 3942 case 9: /* D1 pflip */ 3943 DRM_DEBUG("IH: D1 flip\n"); 3944 if (radeon_use_pflipirq > 0) 3945 radeon_crtc_handle_flip(rdev, 0); 3946 break; 3947 case 11: /* D2 pflip */ 3948 DRM_DEBUG("IH: D2 flip\n"); 3949 if (radeon_use_pflipirq > 0) 3950 radeon_crtc_handle_flip(rdev, 1); 3951 break; 3952 case 19: /* HPD/DAC hotplug */ 3953 switch (src_data) { 3954 case 0: 3955 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3956 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; 3957 queue_hotplug = true; 3958 DRM_DEBUG("IH: HPD1\n"); 3959 } 3960 break; 3961 case 1: 3962 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3963 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; 3964 queue_hotplug = true; 3965 DRM_DEBUG("IH: HPD2\n"); 3966 } 3967 break; 3968 case 4: 3969 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3970 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; 3971 queue_hotplug = true; 3972 DRM_DEBUG("IH: HPD3\n"); 3973 } 3974 break; 3975 case 5: 3976 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3977 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; 3978 queue_hotplug = true; 3979 DRM_DEBUG("IH: HPD4\n"); 3980 } 3981 break; 3982 case 10: 3983 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3984 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 3985 queue_hotplug = true; 3986 DRM_DEBUG("IH: HPD5\n"); 3987 } 3988 break; 3989 case 12: 3990 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3991 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 3992 queue_hotplug = true; 3993 DRM_DEBUG("IH: HPD6\n"); 3994 } 3995 break; 3996 default: 3997 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3998 break; 3999 } 4000 break; 4001 case 21: /* hdmi */ 4002 switch (src_data) { 4003 case 4: 4004 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { 4005 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG; 4006 queue_hdmi = true; 4007 DRM_DEBUG("IH: HDMI0\n"); 4008 } 4009 break; 4010 case 5: 4011 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { 4012 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG; 4013 queue_hdmi = true; 4014 DRM_DEBUG("IH: HDMI1\n"); 4015 } 4016 break; 4017 default: 4018 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); 4019 break; 4020 } 4021 break; 4022 case 124: /* UVD */ 4023 DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); 4024 radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); 4025 break; 4026 case 176: /* CP_INT in ring buffer */ 4027 case 177: /* CP_INT in IB1 */ 4028 case 178: /* CP_INT in IB2 */ 4029 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 4030 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4031 break; 4032 case 181: /* CP EOP event */ 4033 DRM_DEBUG("IH: CP EOP\n"); 4034 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4035 break; 4036 case 224: /* DMA trap event */ 4037 DRM_DEBUG("IH: DMA trap\n"); 4038 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); 4039 break; 4040 case 230: /* thermal low to high */ 4041 DRM_DEBUG("IH: thermal low to high\n"); 4042 rdev->pm.dpm.thermal.high_to_low = false; 4043 queue_thermal = true; 4044 break; 4045 case 231: /* thermal high to low */ 4046 DRM_DEBUG("IH: thermal high to low\n"); 4047 rdev->pm.dpm.thermal.high_to_low = true; 4048 queue_thermal = true; 4049 break; 4050 case 233: /* GUI IDLE */ 4051 DRM_DEBUG("IH: GUI idle\n"); 4052 break; 4053 default: 4054 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4055 break; 4056 } 4057 4058 /* wptr/rptr are in bytes! */ 4059 rptr += 16; 4060 rptr &= rdev->ih.ptr_mask; 4061 } 4062 if (queue_hotplug) 4063 schedule_work(&rdev->hotplug_work); 4064 if (queue_hdmi) 4065 schedule_work(&rdev->audio_work); 4066 if (queue_thermal && rdev->pm.dpm_enabled) 4067 schedule_work(&rdev->pm.dpm.thermal.work); 4068 rdev->ih.rptr = rptr; 4069 WREG32(IH_RB_RPTR, rdev->ih.rptr); 4070 atomic_set(&rdev->ih.lock, 0); 4071 4072 /* make sure wptr hasn't changed while processing */ 4073 wptr = r600_get_ih_wptr(rdev); 4074 if (wptr != rptr) 4075 goto restart_ih; 4076 4077 return IRQ_HANDLED; 4078 } 4079 4080 /* 4081 * Debugfs info 4082 */ 4083 #if defined(CONFIG_DEBUG_FS) 4084 4085 static int r600_debugfs_mc_info(struct seq_file *m, void *data) 4086 { 4087 struct drm_info_node *node = (struct drm_info_node *) m->private; 4088 struct drm_device *dev = node->minor->dev; 4089 struct radeon_device *rdev = dev->dev_private; 4090 4091 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); 4092 DREG32_SYS(m, rdev, VM_L2_STATUS); 4093 return 0; 4094 } 4095 4096 static struct drm_info_list r600_mc_info_list[] = { 4097 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL}, 4098 }; 4099 #endif 4100 4101 int r600_debugfs_mc_info_init(struct radeon_device *rdev) 4102 { 4103 #if defined(CONFIG_DEBUG_FS) 4104 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list)); 4105 #else 4106 return 0; 4107 #endif 4108 } 4109 4110 /** 4111 * r600_mmio_hdp_flush - flush Host Data Path cache via MMIO 4112 * rdev: radeon device structure 4113 * 4114 * Some R6XX/R7XX don't seem to take into account HDP flushes performed 4115 * through the ring buffer. This leads to corruption in rendering, see 4116 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 . To avoid this, we 4117 * directly perform the HDP flush by writing the register through MMIO. 4118 */ 4119 void r600_mmio_hdp_flush(struct radeon_device *rdev) 4120 { 4121 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 4122 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. 4123 * This seems to cause problems on some AGP cards. Just use the old 4124 * method for them. 4125 */ 4126 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 4127 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) { 4128 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 4129 u32 tmp; 4130 4131 WREG32(HDP_DEBUG1, 0); 4132 tmp = readl((void __iomem *)ptr); 4133 } else 4134 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 4135 } 4136 4137 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes) 4138 { 4139 u32 link_width_cntl, mask; 4140 4141 if (rdev->flags & RADEON_IS_IGP) 4142 return; 4143 4144 if (!(rdev->flags & RADEON_IS_PCIE)) 4145 return; 4146 4147 /* x2 cards have a special sequence */ 4148 if (ASIC_IS_X2(rdev)) 4149 return; 4150 4151 radeon_gui_idle(rdev); 4152 4153 switch (lanes) { 4154 case 0: 4155 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 4156 break; 4157 case 1: 4158 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 4159 break; 4160 case 2: 4161 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 4162 break; 4163 case 4: 4164 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 4165 break; 4166 case 8: 4167 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 4168 break; 4169 case 12: 4170 /* not actually supported */ 4171 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 4172 break; 4173 case 16: 4174 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 4175 break; 4176 default: 4177 DRM_ERROR("invalid pcie lane request: %d\n", lanes); 4178 return; 4179 } 4180 4181 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4182 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK; 4183 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT; 4184 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW | 4185 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE); 4186 4187 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4188 } 4189 4190 int r600_get_pcie_lanes(struct radeon_device *rdev) 4191 { 4192 u32 link_width_cntl; 4193 4194 if (rdev->flags & RADEON_IS_IGP) 4195 return 0; 4196 4197 if (!(rdev->flags & RADEON_IS_PCIE)) 4198 return 0; 4199 4200 /* x2 cards have a special sequence */ 4201 if (ASIC_IS_X2(rdev)) 4202 return 0; 4203 4204 radeon_gui_idle(rdev); 4205 4206 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4207 4208 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 4209 case RADEON_PCIE_LC_LINK_WIDTH_X1: 4210 return 1; 4211 case RADEON_PCIE_LC_LINK_WIDTH_X2: 4212 return 2; 4213 case RADEON_PCIE_LC_LINK_WIDTH_X4: 4214 return 4; 4215 case RADEON_PCIE_LC_LINK_WIDTH_X8: 4216 return 8; 4217 case RADEON_PCIE_LC_LINK_WIDTH_X12: 4218 /* not actually supported */ 4219 return 12; 4220 case RADEON_PCIE_LC_LINK_WIDTH_X0: 4221 case RADEON_PCIE_LC_LINK_WIDTH_X16: 4222 default: 4223 return 16; 4224 } 4225 } 4226 4227 static void r600_pcie_gen2_enable(struct radeon_device *rdev) 4228 { 4229 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; 4230 u16 link_cntl2; 4231 4232 if (radeon_pcie_gen2 == 0) 4233 return; 4234 4235 if (rdev->flags & RADEON_IS_IGP) 4236 return; 4237 4238 if (!(rdev->flags & RADEON_IS_PCIE)) 4239 return; 4240 4241 /* x2 cards have a special sequence */ 4242 if (ASIC_IS_X2(rdev)) 4243 return; 4244 4245 /* only RV6xx+ chips are supported */ 4246 if (rdev->family <= CHIP_R600) 4247 return; 4248 4249 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && 4250 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) 4251 return; 4252 4253 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4254 if (speed_cntl & LC_CURRENT_DATA_RATE) { 4255 DRM_INFO("PCIE gen 2 link speeds already enabled\n"); 4256 return; 4257 } 4258 4259 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); 4260 4261 /* 55 nm r6xx asics */ 4262 if ((rdev->family == CHIP_RV670) || 4263 (rdev->family == CHIP_RV620) || 4264 (rdev->family == CHIP_RV635)) { 4265 /* advertise upconfig capability */ 4266 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4267 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4268 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4269 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4270 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { 4271 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; 4272 link_width_cntl &= ~(LC_LINK_WIDTH_MASK | 4273 LC_RECONFIG_ARC_MISSING_ESCAPE); 4274 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; 4275 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4276 } else { 4277 link_width_cntl |= LC_UPCONFIGURE_DIS; 4278 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4279 } 4280 } 4281 4282 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4283 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && 4284 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 4285 4286 /* 55 nm r6xx asics */ 4287 if ((rdev->family == CHIP_RV670) || 4288 (rdev->family == CHIP_RV620) || 4289 (rdev->family == CHIP_RV635)) { 4290 WREG32(MM_CFGREGS_CNTL, 0x8); 4291 link_cntl2 = RREG32(0x4088); 4292 WREG32(MM_CFGREGS_CNTL, 0); 4293 /* not supported yet */ 4294 if (link_cntl2 & SELECTABLE_DEEMPHASIS) 4295 return; 4296 } 4297 4298 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; 4299 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); 4300 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; 4301 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; 4302 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; 4303 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4304 4305 tmp = RREG32(0x541c); 4306 WREG32(0x541c, tmp | 0x8); 4307 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); 4308 link_cntl2 = RREG16(0x4088); 4309 link_cntl2 &= ~TARGET_LINK_SPEED_MASK; 4310 link_cntl2 |= 0x2; 4311 WREG16(0x4088, link_cntl2); 4312 WREG32(MM_CFGREGS_CNTL, 0); 4313 4314 if ((rdev->family == CHIP_RV670) || 4315 (rdev->family == CHIP_RV620) || 4316 (rdev->family == CHIP_RV635)) { 4317 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL); 4318 training_cntl &= ~LC_POINT_7_PLUS_EN; 4319 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl); 4320 } else { 4321 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4322 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 4323 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4324 } 4325 4326 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4327 speed_cntl |= LC_GEN2_EN_STRAP; 4328 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4329 4330 } else { 4331 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4332 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 4333 if (1) 4334 link_width_cntl |= LC_UPCONFIGURE_DIS; 4335 else 4336 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4337 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4338 } 4339 } 4340 4341 /** 4342 * r600_get_gpu_clock_counter - return GPU clock counter snapshot 4343 * 4344 * @rdev: radeon_device pointer 4345 * 4346 * Fetches a GPU clock counter snapshot (R6xx-cayman). 4347 * Returns the 64 bit clock counter snapshot. 4348 */ 4349 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev) 4350 { 4351 uint64_t clock; 4352 4353 mutex_lock(&rdev->gpu_clock_mutex); 4354 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); 4355 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | 4356 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); 4357 mutex_unlock(&rdev->gpu_clock_mutex); 4358 return clock; 4359 } 4360