1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved. 4 * Copyright (C) 2013 Red Hat 5 * Author: Rob Clark <robdclark@gmail.com> 6 */ 7 8 #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ 9 10 #include <linux/debugfs.h> 11 #include <linux/dma-buf.h> 12 13 #include <drm/drm_atomic.h> 14 #include <drm/drm_atomic_uapi.h> 15 #include <drm/drm_damage_helper.h> 16 #include <drm/drm_gem_atomic_helper.h> 17 18 #include "msm_drv.h" 19 #include "dpu_kms.h" 20 #include "dpu_formats.h" 21 #include "dpu_hw_sspp.h" 22 #include "dpu_trace.h" 23 #include "dpu_crtc.h" 24 #include "dpu_vbif.h" 25 #include "dpu_plane.h" 26 27 #define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\ 28 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) 29 30 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\ 31 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) 32 33 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci)) 34 #define PHASE_STEP_SHIFT 21 35 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT)) 36 #define PHASE_RESIDUAL 15 37 38 #define SHARP_STRENGTH_DEFAULT 32 39 #define SHARP_EDGE_THR_DEFAULT 112 40 #define SHARP_SMOOTH_THR_DEFAULT 8 41 #define SHARP_NOISE_THR_DEFAULT 2 42 43 #define DPU_NAME_SIZE 12 44 45 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31) 46 #define DPU_ZPOS_MAX 255 47 48 /* multirect rect index */ 49 enum { 50 R0, 51 R1, 52 R_MAX 53 }; 54 55 /* 56 * Default Preload Values 57 */ 58 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4 59 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3 60 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2 61 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4 62 63 #define DEFAULT_REFRESH_RATE 60 64 65 static const uint32_t qcom_compressed_supported_formats[] = { 66 DRM_FORMAT_ABGR8888, 67 DRM_FORMAT_ARGB8888, 68 DRM_FORMAT_XBGR8888, 69 DRM_FORMAT_XRGB8888, 70 DRM_FORMAT_BGR565, 71 72 DRM_FORMAT_NV12, 73 }; 74 75 /** 76 * enum dpu_plane_qos - Different qos configurations for each pipe 77 * 78 * @DPU_PLANE_QOS_VBLANK_CTRL: Setup VBLANK qos for the pipe. 79 * @DPU_PLANE_QOS_VBLANK_AMORTIZE: Enables Amortization within pipe. 80 * this configuration is mutually exclusive from VBLANK_CTRL. 81 * @DPU_PLANE_QOS_PANIC_CTRL: Setup panic for the pipe. 82 */ 83 enum dpu_plane_qos { 84 DPU_PLANE_QOS_VBLANK_CTRL = BIT(0), 85 DPU_PLANE_QOS_VBLANK_AMORTIZE = BIT(1), 86 DPU_PLANE_QOS_PANIC_CTRL = BIT(2), 87 }; 88 89 /* 90 * struct dpu_plane - local dpu plane structure 91 * @aspace: address space pointer 92 * @mplane_list: List of multirect planes of the same pipe 93 * @catalog: Points to dpu catalog structure 94 * @revalidate: force revalidation of all the plane properties 95 */ 96 struct dpu_plane { 97 struct drm_plane base; 98 99 struct mutex lock; 100 101 enum dpu_sspp pipe; 102 103 struct dpu_hw_pipe *pipe_hw; 104 uint32_t color_fill; 105 bool is_error; 106 bool is_rt_pipe; 107 bool is_virtual; 108 struct list_head mplane_list; 109 struct dpu_mdss_cfg *catalog; 110 }; 111 112 static const uint64_t supported_format_modifiers[] = { 113 DRM_FORMAT_MOD_QCOM_COMPRESSED, 114 DRM_FORMAT_MOD_LINEAR, 115 DRM_FORMAT_MOD_INVALID 116 }; 117 118 #define to_dpu_plane(x) container_of(x, struct dpu_plane, base) 119 120 static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane) 121 { 122 struct msm_drm_private *priv = plane->dev->dev_private; 123 124 return to_dpu_kms(priv->kms); 125 } 126 127 /** 128 * _dpu_plane_calc_bw - calculate bandwidth required for a plane 129 * @plane: Pointer to drm plane. 130 * @fb: Pointer to framebuffer associated with the given plane 131 * @pipe_cfg: Pointer to pipe configuration 132 * Result: Updates calculated bandwidth in the plane state. 133 * BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest) 134 * Prefill BW Equation: line src bytes * line_time 135 */ 136 static void _dpu_plane_calc_bw(struct drm_plane *plane, 137 struct drm_framebuffer *fb, 138 struct dpu_hw_pipe_cfg *pipe_cfg) 139 { 140 struct dpu_plane_state *pstate; 141 struct drm_display_mode *mode; 142 const struct dpu_format *fmt = NULL; 143 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 144 int src_width, src_height, dst_height, fps; 145 u64 plane_prefill_bw; 146 u64 plane_bw; 147 u32 hw_latency_lines; 148 u64 scale_factor; 149 int vbp, vpw, vfp; 150 151 pstate = to_dpu_plane_state(plane->state); 152 mode = &plane->state->crtc->mode; 153 154 fmt = dpu_get_dpu_format_ext(fb->format->format, fb->modifier); 155 156 src_width = drm_rect_width(&pipe_cfg->src_rect); 157 src_height = drm_rect_height(&pipe_cfg->src_rect); 158 dst_height = drm_rect_height(&pipe_cfg->dst_rect); 159 fps = drm_mode_vrefresh(mode); 160 vbp = mode->vtotal - mode->vsync_end; 161 vpw = mode->vsync_end - mode->vsync_start; 162 vfp = mode->vsync_start - mode->vdisplay; 163 hw_latency_lines = dpu_kms->catalog->perf.min_prefill_lines; 164 scale_factor = src_height > dst_height ? 165 mult_frac(src_height, 1, dst_height) : 1; 166 167 plane_bw = 168 src_width * mode->vtotal * fps * fmt->bpp * 169 scale_factor; 170 171 plane_prefill_bw = 172 src_width * hw_latency_lines * fps * fmt->bpp * 173 scale_factor * mode->vtotal; 174 175 if ((vbp+vpw) > hw_latency_lines) 176 do_div(plane_prefill_bw, (vbp+vpw)); 177 else if ((vbp+vpw+vfp) < hw_latency_lines) 178 do_div(plane_prefill_bw, (vbp+vpw+vfp)); 179 else 180 do_div(plane_prefill_bw, hw_latency_lines); 181 182 183 pstate->plane_fetch_bw = max(plane_bw, plane_prefill_bw); 184 } 185 186 /** 187 * _dpu_plane_calc_clk - calculate clock required for a plane 188 * @plane: Pointer to drm plane. 189 * @pipe_cfg: Pointer to pipe configuration 190 * Result: Updates calculated clock in the plane state. 191 * Clock equation: dst_w * v_total * fps * (src_h / dst_h) 192 */ 193 static void _dpu_plane_calc_clk(struct drm_plane *plane, struct dpu_hw_pipe_cfg *pipe_cfg) 194 { 195 struct dpu_plane_state *pstate; 196 struct drm_display_mode *mode; 197 int dst_width, src_height, dst_height, fps; 198 199 pstate = to_dpu_plane_state(plane->state); 200 mode = &plane->state->crtc->mode; 201 202 src_height = drm_rect_height(&pipe_cfg->src_rect); 203 dst_width = drm_rect_width(&pipe_cfg->dst_rect); 204 dst_height = drm_rect_height(&pipe_cfg->dst_rect); 205 fps = drm_mode_vrefresh(mode); 206 207 pstate->plane_clk = 208 dst_width * mode->vtotal * fps; 209 210 if (src_height > dst_height) { 211 pstate->plane_clk *= src_height; 212 do_div(pstate->plane_clk, dst_height); 213 } 214 } 215 216 /** 217 * _dpu_plane_calc_fill_level - calculate fill level of the given source format 218 * @plane: Pointer to drm plane 219 * @fmt: Pointer to source buffer format 220 * @src_width: width of source buffer 221 * Return: fill level corresponding to the source buffer/format or 0 if error 222 */ 223 static int _dpu_plane_calc_fill_level(struct drm_plane *plane, 224 const struct dpu_format *fmt, u32 src_width) 225 { 226 struct dpu_plane *pdpu, *tmp; 227 struct dpu_plane_state *pstate; 228 u32 fixed_buff_size; 229 u32 total_fl; 230 231 if (!fmt || !plane->state || !src_width || !fmt->bpp) { 232 DPU_ERROR("invalid arguments\n"); 233 return 0; 234 } 235 236 pdpu = to_dpu_plane(plane); 237 pstate = to_dpu_plane_state(plane->state); 238 fixed_buff_size = pdpu->catalog->caps->pixel_ram_size; 239 240 list_for_each_entry(tmp, &pdpu->mplane_list, mplane_list) { 241 u32 tmp_width; 242 243 if (!tmp->base.state->visible) 244 continue; 245 tmp_width = drm_rect_width(&tmp->base.state->src) >> 16; 246 DPU_DEBUG("plane%d/%d src_width:%d/%d\n", 247 pdpu->base.base.id, tmp->base.base.id, 248 src_width, 249 tmp_width); 250 src_width = max_t(u32, src_width, 251 tmp_width); 252 } 253 254 if (fmt->fetch_planes == DPU_PLANE_PSEUDO_PLANAR) { 255 if (fmt->chroma_sample == DPU_CHROMA_420) { 256 /* NV12 */ 257 total_fl = (fixed_buff_size / 2) / 258 ((src_width + 32) * fmt->bpp); 259 } else { 260 /* non NV12 */ 261 total_fl = (fixed_buff_size / 2) * 2 / 262 ((src_width + 32) * fmt->bpp); 263 } 264 } else { 265 if (pstate->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) { 266 total_fl = (fixed_buff_size / 2) * 2 / 267 ((src_width + 32) * fmt->bpp); 268 } else { 269 total_fl = (fixed_buff_size) * 2 / 270 ((src_width + 32) * fmt->bpp); 271 } 272 } 273 274 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s w:%u fl:%u\n", 275 pdpu->pipe - SSPP_VIG0, 276 (char *)&fmt->base.pixel_format, 277 src_width, total_fl); 278 279 return total_fl; 280 } 281 282 /** 283 * _dpu_plane_get_qos_lut - get LUT mapping based on fill level 284 * @tbl: Pointer to LUT table 285 * @total_fl: fill level 286 * Return: LUT setting corresponding to the fill level 287 */ 288 static u64 _dpu_plane_get_qos_lut(const struct dpu_qos_lut_tbl *tbl, 289 u32 total_fl) 290 { 291 int i; 292 293 if (!tbl || !tbl->nentry || !tbl->entries) 294 return 0; 295 296 for (i = 0; i < tbl->nentry; i++) 297 if (total_fl <= tbl->entries[i].fl) 298 return tbl->entries[i].lut; 299 300 /* if last fl is zero, use as default */ 301 if (!tbl->entries[i-1].fl) 302 return tbl->entries[i-1].lut; 303 304 return 0; 305 } 306 307 /** 308 * _dpu_plane_set_qos_lut - set QoS LUT of the given plane 309 * @plane: Pointer to drm plane 310 * @fb: Pointer to framebuffer associated with the given plane 311 * @pipe_cfg: Pointer to pipe configuration 312 */ 313 static void _dpu_plane_set_qos_lut(struct drm_plane *plane, 314 struct drm_framebuffer *fb, struct dpu_hw_pipe_cfg *pipe_cfg) 315 { 316 struct dpu_plane *pdpu = to_dpu_plane(plane); 317 const struct dpu_format *fmt = NULL; 318 u64 qos_lut; 319 u32 total_fl = 0, lut_usage; 320 321 if (!pdpu->is_rt_pipe) { 322 lut_usage = DPU_QOS_LUT_USAGE_NRT; 323 } else { 324 fmt = dpu_get_dpu_format_ext( 325 fb->format->format, 326 fb->modifier); 327 total_fl = _dpu_plane_calc_fill_level(plane, fmt, 328 drm_rect_width(&pipe_cfg->src_rect)); 329 330 if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) 331 lut_usage = DPU_QOS_LUT_USAGE_LINEAR; 332 else 333 lut_usage = DPU_QOS_LUT_USAGE_MACROTILE; 334 } 335 336 qos_lut = _dpu_plane_get_qos_lut( 337 &pdpu->catalog->perf.qos_lut_tbl[lut_usage], total_fl); 338 339 trace_dpu_perf_set_qos_luts(pdpu->pipe - SSPP_VIG0, 340 (fmt) ? fmt->base.pixel_format : 0, 341 pdpu->is_rt_pipe, total_fl, qos_lut, lut_usage); 342 343 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s rt:%d fl:%u lut:0x%llx\n", 344 pdpu->pipe - SSPP_VIG0, 345 fmt ? (char *)&fmt->base.pixel_format : NULL, 346 pdpu->is_rt_pipe, total_fl, qos_lut); 347 348 pdpu->pipe_hw->ops.setup_creq_lut(pdpu->pipe_hw, qos_lut); 349 } 350 351 /** 352 * _dpu_plane_set_danger_lut - set danger/safe LUT of the given plane 353 * @plane: Pointer to drm plane 354 * @fb: Pointer to framebuffer associated with the given plane 355 */ 356 static void _dpu_plane_set_danger_lut(struct drm_plane *plane, 357 struct drm_framebuffer *fb) 358 { 359 struct dpu_plane *pdpu = to_dpu_plane(plane); 360 const struct dpu_format *fmt = NULL; 361 u32 danger_lut, safe_lut; 362 363 if (!pdpu->is_rt_pipe) { 364 danger_lut = pdpu->catalog->perf.danger_lut_tbl 365 [DPU_QOS_LUT_USAGE_NRT]; 366 safe_lut = pdpu->catalog->perf.safe_lut_tbl 367 [DPU_QOS_LUT_USAGE_NRT]; 368 } else { 369 fmt = dpu_get_dpu_format_ext( 370 fb->format->format, 371 fb->modifier); 372 373 if (fmt && DPU_FORMAT_IS_LINEAR(fmt)) { 374 danger_lut = pdpu->catalog->perf.danger_lut_tbl 375 [DPU_QOS_LUT_USAGE_LINEAR]; 376 safe_lut = pdpu->catalog->perf.safe_lut_tbl 377 [DPU_QOS_LUT_USAGE_LINEAR]; 378 } else { 379 danger_lut = pdpu->catalog->perf.danger_lut_tbl 380 [DPU_QOS_LUT_USAGE_MACROTILE]; 381 safe_lut = pdpu->catalog->perf.safe_lut_tbl 382 [DPU_QOS_LUT_USAGE_MACROTILE]; 383 } 384 } 385 386 trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0, 387 (fmt) ? fmt->base.pixel_format : 0, 388 (fmt) ? fmt->fetch_mode : 0, 389 danger_lut, 390 safe_lut); 391 392 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %4.4s mode:%d luts[0x%x, 0x%x]\n", 393 pdpu->pipe - SSPP_VIG0, 394 fmt ? (char *)&fmt->base.pixel_format : NULL, 395 fmt ? fmt->fetch_mode : -1, 396 danger_lut, 397 safe_lut); 398 399 pdpu->pipe_hw->ops.setup_danger_safe_lut(pdpu->pipe_hw, 400 danger_lut, safe_lut); 401 } 402 403 /** 404 * _dpu_plane_set_qos_ctrl - set QoS control of the given plane 405 * @plane: Pointer to drm plane 406 * @enable: true to enable QoS control 407 * @flags: QoS control mode (enum dpu_plane_qos) 408 */ 409 static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane, 410 bool enable, u32 flags) 411 { 412 struct dpu_plane *pdpu = to_dpu_plane(plane); 413 struct dpu_hw_pipe_qos_cfg pipe_qos_cfg; 414 415 memset(&pipe_qos_cfg, 0, sizeof(pipe_qos_cfg)); 416 417 if (flags & DPU_PLANE_QOS_VBLANK_CTRL) { 418 pipe_qos_cfg.creq_vblank = pdpu->pipe_hw->cap->sblk->creq_vblank; 419 pipe_qos_cfg.danger_vblank = 420 pdpu->pipe_hw->cap->sblk->danger_vblank; 421 pipe_qos_cfg.vblank_en = enable; 422 } 423 424 if (flags & DPU_PLANE_QOS_VBLANK_AMORTIZE) { 425 /* this feature overrules previous VBLANK_CTRL */ 426 pipe_qos_cfg.vblank_en = false; 427 pipe_qos_cfg.creq_vblank = 0; /* clear vblank bits */ 428 } 429 430 if (flags & DPU_PLANE_QOS_PANIC_CTRL) 431 pipe_qos_cfg.danger_safe_en = enable; 432 433 if (!pdpu->is_rt_pipe) { 434 pipe_qos_cfg.vblank_en = false; 435 pipe_qos_cfg.danger_safe_en = false; 436 } 437 438 DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d vb:%d pri[0x%x, 0x%x] is_rt:%d\n", 439 pdpu->pipe - SSPP_VIG0, 440 pipe_qos_cfg.danger_safe_en, 441 pipe_qos_cfg.vblank_en, 442 pipe_qos_cfg.creq_vblank, 443 pipe_qos_cfg.danger_vblank, 444 pdpu->is_rt_pipe); 445 446 pdpu->pipe_hw->ops.setup_qos_ctrl(pdpu->pipe_hw, 447 &pipe_qos_cfg); 448 } 449 450 /** 451 * _dpu_plane_set_ot_limit - set OT limit for the given plane 452 * @plane: Pointer to drm plane 453 * @crtc: Pointer to drm crtc 454 * @pipe_cfg: Pointer to pipe configuration 455 */ 456 static void _dpu_plane_set_ot_limit(struct drm_plane *plane, 457 struct drm_crtc *crtc, struct dpu_hw_pipe_cfg *pipe_cfg) 458 { 459 struct dpu_plane *pdpu = to_dpu_plane(plane); 460 struct dpu_vbif_set_ot_params ot_params; 461 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 462 463 memset(&ot_params, 0, sizeof(ot_params)); 464 ot_params.xin_id = pdpu->pipe_hw->cap->xin_id; 465 ot_params.num = pdpu->pipe_hw->idx - SSPP_NONE; 466 ot_params.width = drm_rect_width(&pipe_cfg->src_rect); 467 ot_params.height = drm_rect_height(&pipe_cfg->src_rect); 468 ot_params.is_wfd = !pdpu->is_rt_pipe; 469 ot_params.frame_rate = drm_mode_vrefresh(&crtc->mode); 470 ot_params.vbif_idx = VBIF_RT; 471 ot_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl; 472 ot_params.rd = true; 473 474 dpu_vbif_set_ot_limit(dpu_kms, &ot_params); 475 } 476 477 /** 478 * _dpu_plane_set_qos_remap - set vbif QoS for the given plane 479 * @plane: Pointer to drm plane 480 */ 481 static void _dpu_plane_set_qos_remap(struct drm_plane *plane) 482 { 483 struct dpu_plane *pdpu = to_dpu_plane(plane); 484 struct dpu_vbif_set_qos_params qos_params; 485 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 486 487 memset(&qos_params, 0, sizeof(qos_params)); 488 qos_params.vbif_idx = VBIF_RT; 489 qos_params.clk_ctrl = pdpu->pipe_hw->cap->clk_ctrl; 490 qos_params.xin_id = pdpu->pipe_hw->cap->xin_id; 491 qos_params.num = pdpu->pipe_hw->idx - SSPP_VIG0; 492 qos_params.is_rt = pdpu->is_rt_pipe; 493 494 DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n", 495 qos_params.num, 496 qos_params.vbif_idx, 497 qos_params.xin_id, qos_params.is_rt, 498 qos_params.clk_ctrl); 499 500 dpu_vbif_set_qos_remap(dpu_kms, &qos_params); 501 } 502 503 static void _dpu_plane_set_scanout(struct drm_plane *plane, 504 struct dpu_plane_state *pstate, 505 struct dpu_hw_pipe_cfg *pipe_cfg, 506 struct drm_framebuffer *fb) 507 { 508 struct dpu_plane *pdpu = to_dpu_plane(plane); 509 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base); 510 struct msm_gem_address_space *aspace = kms->base.aspace; 511 int ret; 512 513 ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout); 514 if (ret == -EAGAIN) 515 DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n"); 516 else if (ret) 517 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); 518 else if (pdpu->pipe_hw->ops.setup_sourceaddress) { 519 trace_dpu_plane_set_scanout(pdpu->pipe_hw->idx, 520 &pipe_cfg->layout, 521 pstate->multirect_index); 522 pdpu->pipe_hw->ops.setup_sourceaddress(pdpu->pipe_hw, pipe_cfg, 523 pstate->multirect_index); 524 } 525 } 526 527 static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu, 528 struct dpu_plane_state *pstate, 529 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h, 530 struct dpu_hw_scaler3_cfg *scale_cfg, 531 struct dpu_hw_pixel_ext *pixel_ext, 532 const struct dpu_format *fmt, 533 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v) 534 { 535 uint32_t i; 536 537 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] = 538 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w); 539 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] = 540 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h); 541 542 543 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] = 544 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v; 545 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] = 546 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h; 547 548 scale_cfg->phase_step_x[DPU_SSPP_COMP_2] = 549 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2]; 550 scale_cfg->phase_step_y[DPU_SSPP_COMP_2] = 551 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2]; 552 553 scale_cfg->phase_step_x[DPU_SSPP_COMP_3] = 554 scale_cfg->phase_step_x[DPU_SSPP_COMP_0]; 555 scale_cfg->phase_step_y[DPU_SSPP_COMP_3] = 556 scale_cfg->phase_step_y[DPU_SSPP_COMP_0]; 557 558 for (i = 0; i < DPU_MAX_PLANES; i++) { 559 scale_cfg->src_width[i] = src_w; 560 scale_cfg->src_height[i] = src_h; 561 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) { 562 scale_cfg->src_width[i] /= chroma_subsmpl_h; 563 scale_cfg->src_height[i] /= chroma_subsmpl_v; 564 } 565 566 if (pdpu->pipe_hw->cap->features & 567 BIT(DPU_SSPP_SCALER_QSEED4)) { 568 scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H; 569 scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V; 570 } else { 571 scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H; 572 scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V; 573 } 574 575 pixel_ext->num_ext_pxls_top[i] = 576 scale_cfg->src_height[i]; 577 pixel_ext->num_ext_pxls_left[i] = 578 scale_cfg->src_width[i]; 579 } 580 if (!(DPU_FORMAT_IS_YUV(fmt)) && (src_h == dst_h) 581 && (src_w == dst_w)) 582 return; 583 584 scale_cfg->dst_width = dst_w; 585 scale_cfg->dst_height = dst_h; 586 scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL; 587 scale_cfg->uv_filter_cfg = DPU_SCALE_BIL; 588 scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL; 589 scale_cfg->lut_flag = 0; 590 scale_cfg->blend_cfg = 1; 591 scale_cfg->enable = 1; 592 } 593 594 static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = { 595 { 596 /* S15.16 format */ 597 0x00012A00, 0x00000000, 0x00019880, 598 0x00012A00, 0xFFFF9B80, 0xFFFF3000, 599 0x00012A00, 0x00020480, 0x00000000, 600 }, 601 /* signed bias */ 602 { 0xfff0, 0xff80, 0xff80,}, 603 { 0x0, 0x0, 0x0,}, 604 /* unsigned clamp */ 605 { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0,}, 606 { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,}, 607 }; 608 609 static const struct dpu_csc_cfg dpu_csc10_YUV2RGB_601L = { 610 { 611 /* S15.16 format */ 612 0x00012A00, 0x00000000, 0x00019880, 613 0x00012A00, 0xFFFF9B80, 0xFFFF3000, 614 0x00012A00, 0x00020480, 0x00000000, 615 }, 616 /* signed bias */ 617 { 0xffc0, 0xfe00, 0xfe00,}, 618 { 0x0, 0x0, 0x0,}, 619 /* unsigned clamp */ 620 { 0x40, 0x3ac, 0x40, 0x3c0, 0x40, 0x3c0,}, 621 { 0x00, 0x3ff, 0x00, 0x3ff, 0x00, 0x3ff,}, 622 }; 623 624 static const struct dpu_csc_cfg *_dpu_plane_get_csc(struct dpu_plane *pdpu, const struct dpu_format *fmt) 625 { 626 const struct dpu_csc_cfg *csc_ptr; 627 628 if (!pdpu) { 629 DPU_ERROR("invalid plane\n"); 630 return NULL; 631 } 632 633 if (!DPU_FORMAT_IS_YUV(fmt)) 634 return NULL; 635 636 if (BIT(DPU_SSPP_CSC_10BIT) & pdpu->pipe_hw->cap->features) 637 csc_ptr = &dpu_csc10_YUV2RGB_601L; 638 else 639 csc_ptr = &dpu_csc_YUV2RGB_601L; 640 641 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n", 642 csc_ptr->csc_mv[0], 643 csc_ptr->csc_mv[1], 644 csc_ptr->csc_mv[2]); 645 646 return csc_ptr; 647 } 648 649 static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu, 650 struct dpu_plane_state *pstate, 651 const struct dpu_format *fmt, bool color_fill, 652 struct dpu_hw_pipe_cfg *pipe_cfg) 653 { 654 const struct drm_format_info *info = drm_format_info(fmt->base.pixel_format); 655 struct dpu_hw_scaler3_cfg scaler3_cfg; 656 struct dpu_hw_pixel_ext pixel_ext; 657 658 memset(&scaler3_cfg, 0, sizeof(scaler3_cfg)); 659 memset(&pixel_ext, 0, sizeof(pixel_ext)); 660 661 /* don't chroma subsample if decimating */ 662 /* update scaler. calculate default config for QSEED3 */ 663 _dpu_plane_setup_scaler3(pdpu, pstate, 664 drm_rect_width(&pipe_cfg->src_rect), 665 drm_rect_height(&pipe_cfg->src_rect), 666 drm_rect_width(&pipe_cfg->dst_rect), 667 drm_rect_height(&pipe_cfg->dst_rect), 668 &scaler3_cfg, &pixel_ext, fmt, 669 info->hsub, info->vsub); 670 671 if (pdpu->pipe_hw->ops.setup_pe) 672 pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw, 673 &pixel_ext); 674 675 /** 676 * when programmed in multirect mode, scalar block will be 677 * bypassed. Still we need to update alpha and bitwidth 678 * ONLY for RECT0 679 */ 680 if (pdpu->pipe_hw->ops.setup_scaler && 681 pstate->multirect_index != DPU_SSPP_RECT_1) 682 pdpu->pipe_hw->ops.setup_scaler(pdpu->pipe_hw, 683 pipe_cfg, 684 &scaler3_cfg); 685 } 686 687 /** 688 * _dpu_plane_color_fill - enables color fill on plane 689 * @pdpu: Pointer to DPU plane object 690 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red 691 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha 692 * Returns: 0 on success 693 */ 694 static int _dpu_plane_color_fill(struct dpu_plane *pdpu, 695 uint32_t color, uint32_t alpha) 696 { 697 const struct dpu_format *fmt; 698 const struct drm_plane *plane = &pdpu->base; 699 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state); 700 struct dpu_hw_pipe_cfg pipe_cfg; 701 702 DPU_DEBUG_PLANE(pdpu, "\n"); 703 704 /* 705 * select fill format to match user property expectation, 706 * h/w only supports RGB variants 707 */ 708 fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888); 709 710 /* update sspp */ 711 if (fmt && pdpu->pipe_hw->ops.setup_solidfill) { 712 pdpu->pipe_hw->ops.setup_solidfill(pdpu->pipe_hw, 713 (color & 0xFFFFFF) | ((alpha & 0xFF) << 24), 714 pstate->multirect_index); 715 716 /* override scaler/decimation if solid fill */ 717 pipe_cfg.dst_rect = pstate->base.dst; 718 719 pipe_cfg.src_rect.x1 = 0; 720 pipe_cfg.src_rect.y1 = 0; 721 pipe_cfg.src_rect.x2 = 722 drm_rect_width(&pipe_cfg.dst_rect); 723 pipe_cfg.src_rect.y2 = 724 drm_rect_height(&pipe_cfg.dst_rect); 725 726 if (pdpu->pipe_hw->ops.setup_format) 727 pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, 728 fmt, DPU_SSPP_SOLID_FILL, 729 pstate->multirect_index); 730 731 if (pdpu->pipe_hw->ops.setup_rects) 732 pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw, 733 &pipe_cfg, 734 pstate->multirect_index); 735 736 _dpu_plane_setup_scaler(pdpu, pstate, fmt, true, &pipe_cfg); 737 } 738 739 return 0; 740 } 741 742 void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state) 743 { 744 struct dpu_plane_state *pstate = to_dpu_plane_state(drm_state); 745 746 pstate->multirect_index = DPU_SSPP_RECT_SOLO; 747 pstate->multirect_mode = DPU_SSPP_MULTIRECT_NONE; 748 } 749 750 int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane) 751 { 752 struct dpu_plane_state *pstate[R_MAX]; 753 const struct drm_plane_state *drm_state[R_MAX]; 754 struct drm_rect src[R_MAX], dst[R_MAX]; 755 struct dpu_plane *dpu_plane[R_MAX]; 756 const struct dpu_format *fmt[R_MAX]; 757 int i, buffer_lines; 758 unsigned int max_tile_height = 1; 759 bool parallel_fetch_qualified = true; 760 bool has_tiled_rect = false; 761 762 for (i = 0; i < R_MAX; i++) { 763 const struct msm_format *msm_fmt; 764 765 drm_state[i] = i ? plane->r1 : plane->r0; 766 msm_fmt = msm_framebuffer_format(drm_state[i]->fb); 767 fmt[i] = to_dpu_format(msm_fmt); 768 769 if (DPU_FORMAT_IS_UBWC(fmt[i])) { 770 has_tiled_rect = true; 771 if (fmt[i]->tile_height > max_tile_height) 772 max_tile_height = fmt[i]->tile_height; 773 } 774 } 775 776 for (i = 0; i < R_MAX; i++) { 777 int width_threshold; 778 779 pstate[i] = to_dpu_plane_state(drm_state[i]); 780 dpu_plane[i] = to_dpu_plane(drm_state[i]->plane); 781 782 if (pstate[i] == NULL) { 783 DPU_ERROR("DPU plane state of plane id %d is NULL\n", 784 drm_state[i]->plane->base.id); 785 return -EINVAL; 786 } 787 788 src[i].x1 = drm_state[i]->src_x >> 16; 789 src[i].y1 = drm_state[i]->src_y >> 16; 790 src[i].x2 = src[i].x1 + (drm_state[i]->src_w >> 16); 791 src[i].y2 = src[i].y1 + (drm_state[i]->src_h >> 16); 792 793 dst[i] = drm_plane_state_dest(drm_state[i]); 794 795 if (drm_rect_calc_hscale(&src[i], &dst[i], 1, 1) != 1 || 796 drm_rect_calc_vscale(&src[i], &dst[i], 1, 1) != 1) { 797 DPU_ERROR_PLANE(dpu_plane[i], 798 "scaling is not supported in multirect mode\n"); 799 return -EINVAL; 800 } 801 802 if (DPU_FORMAT_IS_YUV(fmt[i])) { 803 DPU_ERROR_PLANE(dpu_plane[i], 804 "Unsupported format for multirect mode\n"); 805 return -EINVAL; 806 } 807 808 /** 809 * SSPP PD_MEM is split half - one for each RECT. 810 * Tiled formats need 5 lines of buffering while fetching 811 * whereas linear formats need only 2 lines. 812 * So we cannot support more than half of the supported SSPP 813 * width for tiled formats. 814 */ 815 width_threshold = dpu_plane[i]->catalog->caps->max_linewidth; 816 if (has_tiled_rect) 817 width_threshold /= 2; 818 819 if (parallel_fetch_qualified && 820 drm_rect_width(&src[i]) > width_threshold) 821 parallel_fetch_qualified = false; 822 823 } 824 825 /* Validate RECT's and set the mode */ 826 827 /* Prefer PARALLEL FETCH Mode over TIME_MX Mode */ 828 if (parallel_fetch_qualified) { 829 pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; 830 pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; 831 832 goto done; 833 } 834 835 /* TIME_MX Mode */ 836 buffer_lines = 2 * max_tile_height; 837 838 if (dst[R1].y1 >= dst[R0].y2 + buffer_lines || 839 dst[R0].y1 >= dst[R1].y2 + buffer_lines) { 840 pstate[R0]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX; 841 pstate[R1]->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX; 842 } else { 843 DPU_ERROR( 844 "No multirect mode possible for the planes (%d - %d)\n", 845 drm_state[R0]->plane->base.id, 846 drm_state[R1]->plane->base.id); 847 return -EINVAL; 848 } 849 850 done: 851 if (dpu_plane[R0]->is_virtual) { 852 pstate[R0]->multirect_index = DPU_SSPP_RECT_1; 853 pstate[R1]->multirect_index = DPU_SSPP_RECT_0; 854 } else { 855 pstate[R0]->multirect_index = DPU_SSPP_RECT_0; 856 pstate[R1]->multirect_index = DPU_SSPP_RECT_1; 857 } 858 859 DPU_DEBUG_PLANE(dpu_plane[R0], "R0: %d - %d\n", 860 pstate[R0]->multirect_mode, pstate[R0]->multirect_index); 861 DPU_DEBUG_PLANE(dpu_plane[R1], "R1: %d - %d\n", 862 pstate[R1]->multirect_mode, pstate[R1]->multirect_index); 863 return 0; 864 } 865 866 /** 867 * dpu_plane_get_ctl_flush - get control flush for the given plane 868 * @plane: Pointer to drm plane structure 869 * @ctl: Pointer to hardware control driver 870 * @flush_sspp: Pointer to sspp flush control word 871 */ 872 void dpu_plane_get_ctl_flush(struct drm_plane *plane, struct dpu_hw_ctl *ctl, 873 u32 *flush_sspp) 874 { 875 *flush_sspp = ctl->ops.get_bitmask_sspp(ctl, dpu_plane_pipe(plane)); 876 } 877 878 static int dpu_plane_prepare_fb(struct drm_plane *plane, 879 struct drm_plane_state *new_state) 880 { 881 struct drm_framebuffer *fb = new_state->fb; 882 struct dpu_plane *pdpu = to_dpu_plane(plane); 883 struct dpu_plane_state *pstate = to_dpu_plane_state(new_state); 884 struct dpu_hw_fmt_layout layout; 885 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base); 886 int ret; 887 888 if (!new_state->fb) 889 return 0; 890 891 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id); 892 893 /* cache aspace */ 894 pstate->aspace = kms->base.aspace; 895 896 /* 897 * TODO: Need to sort out the msm_framebuffer_prepare() call below so 898 * we can use msm_atomic_prepare_fb() instead of doing the 899 * implicit fence and fb prepare by hand here. 900 */ 901 drm_gem_plane_helper_prepare_fb(plane, new_state); 902 903 if (pstate->aspace) { 904 ret = msm_framebuffer_prepare(new_state->fb, 905 pstate->aspace, pstate->needs_dirtyfb); 906 if (ret) { 907 DPU_ERROR("failed to prepare framebuffer\n"); 908 return ret; 909 } 910 } 911 912 /* validate framebuffer layout before commit */ 913 ret = dpu_format_populate_layout(pstate->aspace, 914 new_state->fb, &layout); 915 if (ret) { 916 DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); 917 return ret; 918 } 919 920 return 0; 921 } 922 923 static void dpu_plane_cleanup_fb(struct drm_plane *plane, 924 struct drm_plane_state *old_state) 925 { 926 struct dpu_plane *pdpu = to_dpu_plane(plane); 927 struct dpu_plane_state *old_pstate; 928 929 if (!old_state || !old_state->fb) 930 return; 931 932 old_pstate = to_dpu_plane_state(old_state); 933 934 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id); 935 936 msm_framebuffer_cleanup(old_state->fb, old_pstate->aspace, 937 old_pstate->needs_dirtyfb); 938 } 939 940 static bool dpu_plane_validate_src(struct drm_rect *src, 941 struct drm_rect *fb_rect, 942 uint32_t min_src_size) 943 { 944 /* Ensure fb size is supported */ 945 if (drm_rect_width(fb_rect) > MAX_IMG_WIDTH || 946 drm_rect_height(fb_rect) > MAX_IMG_HEIGHT) 947 return false; 948 949 /* Ensure src rect is above the minimum size */ 950 if (drm_rect_width(src) < min_src_size || 951 drm_rect_height(src) < min_src_size) 952 return false; 953 954 /* Ensure src is fully encapsulated in fb */ 955 return drm_rect_intersect(fb_rect, src) && 956 drm_rect_equals(fb_rect, src); 957 } 958 959 static int dpu_plane_atomic_check(struct drm_plane *plane, 960 struct drm_atomic_state *state) 961 { 962 struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, 963 plane); 964 int ret = 0, min_scale; 965 struct dpu_plane *pdpu = to_dpu_plane(plane); 966 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); 967 const struct drm_crtc_state *crtc_state = NULL; 968 const struct dpu_format *fmt; 969 struct drm_rect src, dst, fb_rect = { 0 }; 970 uint32_t min_src_size, max_linewidth; 971 972 if (new_plane_state->crtc) 973 crtc_state = drm_atomic_get_new_crtc_state(state, 974 new_plane_state->crtc); 975 976 min_scale = FRAC_16_16(1, pdpu->pipe_hw->cap->sblk->maxupscale); 977 ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, 978 min_scale, 979 pdpu->pipe_hw->cap->sblk->maxdwnscale << 16, 980 true, true); 981 if (ret) { 982 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret); 983 return ret; 984 } 985 if (!new_plane_state->visible) 986 return 0; 987 988 src.x1 = new_plane_state->src_x >> 16; 989 src.y1 = new_plane_state->src_y >> 16; 990 src.x2 = src.x1 + (new_plane_state->src_w >> 16); 991 src.y2 = src.y1 + (new_plane_state->src_h >> 16); 992 993 dst = drm_plane_state_dest(new_plane_state); 994 995 fb_rect.x2 = new_plane_state->fb->width; 996 fb_rect.y2 = new_plane_state->fb->height; 997 998 max_linewidth = pdpu->catalog->caps->max_linewidth; 999 1000 fmt = to_dpu_format(msm_framebuffer_format(new_plane_state->fb)); 1001 1002 min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1; 1003 1004 if (DPU_FORMAT_IS_YUV(fmt) && 1005 (!(pdpu->pipe_hw->cap->features & DPU_SSPP_SCALER) || 1006 !(pdpu->pipe_hw->cap->features & DPU_SSPP_CSC_ANY))) { 1007 DPU_DEBUG_PLANE(pdpu, 1008 "plane doesn't have scaler/csc for yuv\n"); 1009 return -EINVAL; 1010 1011 /* check src bounds */ 1012 } else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) { 1013 DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n", 1014 DRM_RECT_ARG(&src)); 1015 return -E2BIG; 1016 1017 /* valid yuv image */ 1018 } else if (DPU_FORMAT_IS_YUV(fmt) && 1019 (src.x1 & 0x1 || src.y1 & 0x1 || 1020 drm_rect_width(&src) & 0x1 || 1021 drm_rect_height(&src) & 0x1)) { 1022 DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n", 1023 DRM_RECT_ARG(&src)); 1024 return -EINVAL; 1025 1026 /* min dst support */ 1027 } else if (drm_rect_width(&dst) < 0x1 || drm_rect_height(&dst) < 0x1) { 1028 DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n", 1029 DRM_RECT_ARG(&dst)); 1030 return -EINVAL; 1031 1032 /* check decimated source width */ 1033 } else if (drm_rect_width(&src) > max_linewidth) { 1034 DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n", 1035 DRM_RECT_ARG(&src), max_linewidth); 1036 return -E2BIG; 1037 } 1038 1039 pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state); 1040 1041 return 0; 1042 } 1043 1044 void dpu_plane_flush(struct drm_plane *plane) 1045 { 1046 struct dpu_plane *pdpu; 1047 struct dpu_plane_state *pstate; 1048 1049 if (!plane || !plane->state) { 1050 DPU_ERROR("invalid plane\n"); 1051 return; 1052 } 1053 1054 pdpu = to_dpu_plane(plane); 1055 pstate = to_dpu_plane_state(plane->state); 1056 1057 /* 1058 * These updates have to be done immediately before the plane flush 1059 * timing, and may not be moved to the atomic_update/mode_set functions. 1060 */ 1061 if (pdpu->is_error) 1062 /* force white frame with 100% alpha pipe output on error */ 1063 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF); 1064 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) 1065 /* force 100% alpha */ 1066 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF); 1067 else if (pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_csc) { 1068 const struct dpu_format *fmt = to_dpu_format(msm_framebuffer_format(plane->state->fb)); 1069 const struct dpu_csc_cfg *csc_ptr = _dpu_plane_get_csc(pdpu, fmt); 1070 1071 if (csc_ptr) 1072 pdpu->pipe_hw->ops.setup_csc(pdpu->pipe_hw, csc_ptr); 1073 } 1074 1075 /* flag h/w flush complete */ 1076 if (plane->state) 1077 pstate->pending = false; 1078 } 1079 1080 /** 1081 * dpu_plane_set_error: enable/disable error condition 1082 * @plane: pointer to drm_plane structure 1083 * @error: error value to set 1084 */ 1085 void dpu_plane_set_error(struct drm_plane *plane, bool error) 1086 { 1087 struct dpu_plane *pdpu; 1088 1089 if (!plane) 1090 return; 1091 1092 pdpu = to_dpu_plane(plane); 1093 pdpu->is_error = error; 1094 } 1095 1096 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane) 1097 { 1098 uint32_t src_flags; 1099 struct dpu_plane *pdpu = to_dpu_plane(plane); 1100 struct drm_plane_state *state = plane->state; 1101 struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1102 struct drm_crtc *crtc = state->crtc; 1103 struct drm_framebuffer *fb = state->fb; 1104 bool is_rt_pipe, update_qos_remap; 1105 const struct dpu_format *fmt = 1106 to_dpu_format(msm_framebuffer_format(fb)); 1107 struct dpu_hw_pipe_cfg pipe_cfg; 1108 1109 memset(&pipe_cfg, 0, sizeof(struct dpu_hw_pipe_cfg)); 1110 1111 _dpu_plane_set_scanout(plane, pstate, &pipe_cfg, fb); 1112 1113 pstate->pending = true; 1114 1115 is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT); 1116 _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL); 1117 1118 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT 1119 ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src), 1120 crtc->base.id, DRM_RECT_ARG(&state->dst), 1121 (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt)); 1122 1123 pipe_cfg.src_rect = state->src; 1124 1125 /* state->src is 16.16, src_rect is not */ 1126 pipe_cfg.src_rect.x1 >>= 16; 1127 pipe_cfg.src_rect.x2 >>= 16; 1128 pipe_cfg.src_rect.y1 >>= 16; 1129 pipe_cfg.src_rect.y2 >>= 16; 1130 1131 pipe_cfg.dst_rect = state->dst; 1132 1133 /* override for color fill */ 1134 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) { 1135 /* skip remaining processing on color fill */ 1136 return; 1137 } 1138 1139 if (pdpu->pipe_hw->ops.setup_rects) { 1140 pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw, 1141 &pipe_cfg, 1142 pstate->multirect_index); 1143 } 1144 1145 _dpu_plane_setup_scaler(pdpu, pstate, fmt, false, &pipe_cfg); 1146 1147 if (pdpu->pipe_hw->ops.setup_multirect) 1148 pdpu->pipe_hw->ops.setup_multirect( 1149 pdpu->pipe_hw, 1150 pstate->multirect_index, 1151 pstate->multirect_mode); 1152 1153 if (pdpu->pipe_hw->ops.setup_format) { 1154 unsigned int rotation; 1155 1156 src_flags = 0x0; 1157 1158 rotation = drm_rotation_simplify(state->rotation, 1159 DRM_MODE_ROTATE_0 | 1160 DRM_MODE_REFLECT_X | 1161 DRM_MODE_REFLECT_Y); 1162 1163 if (rotation & DRM_MODE_REFLECT_X) 1164 src_flags |= DPU_SSPP_FLIP_LR; 1165 1166 if (rotation & DRM_MODE_REFLECT_Y) 1167 src_flags |= DPU_SSPP_FLIP_UD; 1168 1169 /* update format */ 1170 pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags, 1171 pstate->multirect_index); 1172 1173 if (pdpu->pipe_hw->ops.setup_cdp) { 1174 struct dpu_hw_pipe_cdp_cfg cdp_cfg; 1175 1176 memset(&cdp_cfg, 0, sizeof(struct dpu_hw_pipe_cdp_cfg)); 1177 1178 cdp_cfg.enable = pdpu->catalog->perf.cdp_cfg 1179 [DPU_PERF_CDP_USAGE_RT].rd_enable; 1180 cdp_cfg.ubwc_meta_enable = 1181 DPU_FORMAT_IS_UBWC(fmt); 1182 cdp_cfg.tile_amortize_enable = 1183 DPU_FORMAT_IS_UBWC(fmt) || 1184 DPU_FORMAT_IS_TILE(fmt); 1185 cdp_cfg.preload_ahead = DPU_SSPP_CDP_PRELOAD_AHEAD_64; 1186 1187 pdpu->pipe_hw->ops.setup_cdp(pdpu->pipe_hw, &cdp_cfg, pstate->multirect_index); 1188 } 1189 } 1190 1191 _dpu_plane_set_qos_lut(plane, fb, &pipe_cfg); 1192 _dpu_plane_set_danger_lut(plane, fb); 1193 1194 if (plane->type != DRM_PLANE_TYPE_CURSOR) { 1195 _dpu_plane_set_qos_ctrl(plane, true, DPU_PLANE_QOS_PANIC_CTRL); 1196 _dpu_plane_set_ot_limit(plane, crtc, &pipe_cfg); 1197 } 1198 1199 update_qos_remap = (is_rt_pipe != pdpu->is_rt_pipe) || 1200 pstate->needs_qos_remap; 1201 1202 if (update_qos_remap) { 1203 if (is_rt_pipe != pdpu->is_rt_pipe) 1204 pdpu->is_rt_pipe = is_rt_pipe; 1205 else if (pstate->needs_qos_remap) 1206 pstate->needs_qos_remap = false; 1207 _dpu_plane_set_qos_remap(plane); 1208 } 1209 1210 _dpu_plane_calc_bw(plane, fb, &pipe_cfg); 1211 1212 _dpu_plane_calc_clk(plane, &pipe_cfg); 1213 } 1214 1215 static void _dpu_plane_atomic_disable(struct drm_plane *plane) 1216 { 1217 struct dpu_plane *pdpu = to_dpu_plane(plane); 1218 struct drm_plane_state *state = plane->state; 1219 struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1220 1221 trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane), 1222 pstate->multirect_mode); 1223 1224 pstate->pending = true; 1225 1226 if (is_dpu_plane_virtual(plane) && 1227 pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_multirect) 1228 pdpu->pipe_hw->ops.setup_multirect(pdpu->pipe_hw, 1229 DPU_SSPP_RECT_SOLO, DPU_SSPP_MULTIRECT_NONE); 1230 } 1231 1232 static void dpu_plane_atomic_update(struct drm_plane *plane, 1233 struct drm_atomic_state *state) 1234 { 1235 struct dpu_plane *pdpu = to_dpu_plane(plane); 1236 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 1237 plane); 1238 1239 pdpu->is_error = false; 1240 1241 DPU_DEBUG_PLANE(pdpu, "\n"); 1242 1243 if (!new_state->visible) { 1244 _dpu_plane_atomic_disable(plane); 1245 } else { 1246 dpu_plane_sspp_atomic_update(plane); 1247 } 1248 } 1249 1250 static void dpu_plane_destroy(struct drm_plane *plane) 1251 { 1252 struct dpu_plane *pdpu = plane ? to_dpu_plane(plane) : NULL; 1253 1254 DPU_DEBUG_PLANE(pdpu, "\n"); 1255 1256 if (pdpu) { 1257 _dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL); 1258 1259 mutex_destroy(&pdpu->lock); 1260 1261 /* this will destroy the states as well */ 1262 drm_plane_cleanup(plane); 1263 1264 dpu_hw_sspp_destroy(pdpu->pipe_hw); 1265 1266 kfree(pdpu); 1267 } 1268 } 1269 1270 static void dpu_plane_destroy_state(struct drm_plane *plane, 1271 struct drm_plane_state *state) 1272 { 1273 __drm_atomic_helper_plane_destroy_state(state); 1274 kfree(to_dpu_plane_state(state)); 1275 } 1276 1277 static struct drm_plane_state * 1278 dpu_plane_duplicate_state(struct drm_plane *plane) 1279 { 1280 struct dpu_plane *pdpu; 1281 struct dpu_plane_state *pstate; 1282 struct dpu_plane_state *old_state; 1283 1284 if (!plane) { 1285 DPU_ERROR("invalid plane\n"); 1286 return NULL; 1287 } else if (!plane->state) { 1288 DPU_ERROR("invalid plane state\n"); 1289 return NULL; 1290 } 1291 1292 old_state = to_dpu_plane_state(plane->state); 1293 pdpu = to_dpu_plane(plane); 1294 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL); 1295 if (!pstate) { 1296 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n"); 1297 return NULL; 1298 } 1299 1300 DPU_DEBUG_PLANE(pdpu, "\n"); 1301 1302 pstate->pending = false; 1303 1304 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base); 1305 1306 return &pstate->base; 1307 } 1308 1309 static const char * const multirect_mode_name[] = { 1310 [DPU_SSPP_MULTIRECT_NONE] = "none", 1311 [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel", 1312 [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx", 1313 }; 1314 1315 static const char * const multirect_index_name[] = { 1316 [DPU_SSPP_RECT_SOLO] = "solo", 1317 [DPU_SSPP_RECT_0] = "rect_0", 1318 [DPU_SSPP_RECT_1] = "rect_1", 1319 }; 1320 1321 static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode) 1322 { 1323 if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name))) 1324 return "unknown"; 1325 1326 return multirect_mode_name[mode]; 1327 } 1328 1329 static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index) 1330 { 1331 if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name))) 1332 return "unknown"; 1333 1334 return multirect_index_name[index]; 1335 } 1336 1337 static void dpu_plane_atomic_print_state(struct drm_printer *p, 1338 const struct drm_plane_state *state) 1339 { 1340 const struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1341 const struct dpu_plane *pdpu = to_dpu_plane(state->plane); 1342 1343 drm_printf(p, "\tstage=%d\n", pstate->stage); 1344 drm_printf(p, "\tsspp=%s\n", pdpu->pipe_hw->cap->name); 1345 drm_printf(p, "\tmultirect_mode=%s\n", dpu_get_multirect_mode(pstate->multirect_mode)); 1346 drm_printf(p, "\tmultirect_index=%s\n", dpu_get_multirect_index(pstate->multirect_index)); 1347 } 1348 1349 static void dpu_plane_reset(struct drm_plane *plane) 1350 { 1351 struct dpu_plane *pdpu; 1352 struct dpu_plane_state *pstate; 1353 1354 if (!plane) { 1355 DPU_ERROR("invalid plane\n"); 1356 return; 1357 } 1358 1359 pdpu = to_dpu_plane(plane); 1360 DPU_DEBUG_PLANE(pdpu, "\n"); 1361 1362 /* remove previous state, if present */ 1363 if (plane->state) { 1364 dpu_plane_destroy_state(plane, plane->state); 1365 plane->state = NULL; 1366 } 1367 1368 pstate = kzalloc(sizeof(*pstate), GFP_KERNEL); 1369 if (!pstate) { 1370 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n"); 1371 return; 1372 } 1373 1374 __drm_atomic_helper_plane_reset(plane, &pstate->base); 1375 } 1376 1377 #ifdef CONFIG_DEBUG_FS 1378 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) 1379 { 1380 struct dpu_plane *pdpu = to_dpu_plane(plane); 1381 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 1382 1383 if (!pdpu->is_rt_pipe) 1384 return; 1385 1386 pm_runtime_get_sync(&dpu_kms->pdev->dev); 1387 _dpu_plane_set_qos_ctrl(plane, enable, DPU_PLANE_QOS_PANIC_CTRL); 1388 pm_runtime_put_sync(&dpu_kms->pdev->dev); 1389 } 1390 1391 /* SSPP live inside dpu_plane private data only. Enumerate them here. */ 1392 void dpu_debugfs_sspp_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root) 1393 { 1394 struct drm_plane *plane; 1395 struct dentry *entry = debugfs_create_dir("sspp", debugfs_root); 1396 1397 if (IS_ERR(entry)) 1398 return; 1399 1400 drm_for_each_plane(plane, dpu_kms->dev) { 1401 struct dpu_plane *pdpu = to_dpu_plane(plane); 1402 1403 _dpu_hw_sspp_init_debugfs(pdpu->pipe_hw, dpu_kms, entry); 1404 } 1405 } 1406 #endif 1407 1408 static bool dpu_plane_format_mod_supported(struct drm_plane *plane, 1409 uint32_t format, uint64_t modifier) 1410 { 1411 if (modifier == DRM_FORMAT_MOD_LINEAR) 1412 return true; 1413 1414 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) { 1415 int i; 1416 for (i = 0; i < ARRAY_SIZE(qcom_compressed_supported_formats); i++) { 1417 if (format == qcom_compressed_supported_formats[i]) 1418 return true; 1419 } 1420 } 1421 1422 return false; 1423 } 1424 1425 static const struct drm_plane_funcs dpu_plane_funcs = { 1426 .update_plane = drm_atomic_helper_update_plane, 1427 .disable_plane = drm_atomic_helper_disable_plane, 1428 .destroy = dpu_plane_destroy, 1429 .reset = dpu_plane_reset, 1430 .atomic_duplicate_state = dpu_plane_duplicate_state, 1431 .atomic_destroy_state = dpu_plane_destroy_state, 1432 .atomic_print_state = dpu_plane_atomic_print_state, 1433 .format_mod_supported = dpu_plane_format_mod_supported, 1434 }; 1435 1436 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = { 1437 .prepare_fb = dpu_plane_prepare_fb, 1438 .cleanup_fb = dpu_plane_cleanup_fb, 1439 .atomic_check = dpu_plane_atomic_check, 1440 .atomic_update = dpu_plane_atomic_update, 1441 }; 1442 1443 enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane) 1444 { 1445 return plane ? to_dpu_plane(plane)->pipe : SSPP_NONE; 1446 } 1447 1448 bool is_dpu_plane_virtual(struct drm_plane *plane) 1449 { 1450 return plane ? to_dpu_plane(plane)->is_virtual : false; 1451 } 1452 1453 /* initialize plane */ 1454 struct drm_plane *dpu_plane_init(struct drm_device *dev, 1455 uint32_t pipe, enum drm_plane_type type, 1456 unsigned long possible_crtcs, u32 master_plane_id) 1457 { 1458 struct drm_plane *plane = NULL, *master_plane = NULL; 1459 const uint32_t *format_list; 1460 struct dpu_plane *pdpu; 1461 struct msm_drm_private *priv = dev->dev_private; 1462 struct dpu_kms *kms = to_dpu_kms(priv->kms); 1463 int zpos_max = DPU_ZPOS_MAX; 1464 uint32_t num_formats; 1465 int ret = -EINVAL; 1466 1467 /* create and zero local structure */ 1468 pdpu = kzalloc(sizeof(*pdpu), GFP_KERNEL); 1469 if (!pdpu) { 1470 DPU_ERROR("[%u]failed to allocate local plane struct\n", pipe); 1471 ret = -ENOMEM; 1472 return ERR_PTR(ret); 1473 } 1474 1475 /* cache local stuff for later */ 1476 plane = &pdpu->base; 1477 pdpu->pipe = pipe; 1478 pdpu->is_virtual = (master_plane_id != 0); 1479 INIT_LIST_HEAD(&pdpu->mplane_list); 1480 master_plane = drm_plane_find(dev, NULL, master_plane_id); 1481 if (master_plane) { 1482 struct dpu_plane *mpdpu = to_dpu_plane(master_plane); 1483 1484 list_add_tail(&pdpu->mplane_list, &mpdpu->mplane_list); 1485 } 1486 1487 /* initialize underlying h/w driver */ 1488 pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog, 1489 master_plane_id != 0); 1490 if (IS_ERR(pdpu->pipe_hw)) { 1491 DPU_ERROR("[%u]SSPP init failed\n", pipe); 1492 ret = PTR_ERR(pdpu->pipe_hw); 1493 goto clean_plane; 1494 } else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) { 1495 DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe); 1496 goto clean_sspp; 1497 } 1498 1499 if (pdpu->is_virtual) { 1500 format_list = pdpu->pipe_hw->cap->sblk->virt_format_list; 1501 num_formats = pdpu->pipe_hw->cap->sblk->virt_num_formats; 1502 } 1503 else { 1504 format_list = pdpu->pipe_hw->cap->sblk->format_list; 1505 num_formats = pdpu->pipe_hw->cap->sblk->num_formats; 1506 } 1507 1508 ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs, 1509 format_list, num_formats, 1510 supported_format_modifiers, type, NULL); 1511 if (ret) 1512 goto clean_sspp; 1513 1514 pdpu->catalog = kms->catalog; 1515 1516 if (kms->catalog->mixer_count && 1517 kms->catalog->mixer[0].sblk->maxblendstages) { 1518 zpos_max = kms->catalog->mixer[0].sblk->maxblendstages - 1; 1519 if (zpos_max > DPU_STAGE_MAX - DPU_STAGE_0 - 1) 1520 zpos_max = DPU_STAGE_MAX - DPU_STAGE_0 - 1; 1521 } 1522 1523 ret = drm_plane_create_zpos_property(plane, 0, 0, zpos_max); 1524 if (ret) 1525 DPU_ERROR("failed to install zpos property, rc = %d\n", ret); 1526 1527 drm_plane_create_alpha_property(plane); 1528 drm_plane_create_blend_mode_property(plane, 1529 BIT(DRM_MODE_BLEND_PIXEL_NONE) | 1530 BIT(DRM_MODE_BLEND_PREMULTI) | 1531 BIT(DRM_MODE_BLEND_COVERAGE)); 1532 1533 drm_plane_create_rotation_property(plane, 1534 DRM_MODE_ROTATE_0, 1535 DRM_MODE_ROTATE_0 | 1536 DRM_MODE_ROTATE_180 | 1537 DRM_MODE_REFLECT_X | 1538 DRM_MODE_REFLECT_Y); 1539 1540 drm_plane_enable_fb_damage_clips(plane); 1541 1542 /* success! finalize initialization */ 1543 drm_plane_helper_add(plane, &dpu_plane_helper_funcs); 1544 1545 mutex_init(&pdpu->lock); 1546 1547 DPU_DEBUG("%s created for pipe:%u id:%u virtual:%u\n", plane->name, 1548 pipe, plane->base.id, master_plane_id); 1549 return plane; 1550 1551 clean_sspp: 1552 if (pdpu && pdpu->pipe_hw) 1553 dpu_hw_sspp_destroy(pdpu->pipe_hw); 1554 clean_plane: 1555 list_del(&pdpu->mplane_list); 1556 kfree(pdpu); 1557 return ERR_PTR(ret); 1558 } 1559