1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <drm/drm_fb_helper.h>
25 #include <drm/drm_fourcc.h>
26 #include <drm/drm_vblank.h>
27 
28 #include "amdgpu.h"
29 #include "amdgpu_pm.h"
30 #include "amdgpu_i2c.h"
31 #include "vid.h"
32 #include "atom.h"
33 #include "amdgpu_atombios.h"
34 #include "atombios_crtc.h"
35 #include "atombios_encoders.h"
36 #include "amdgpu_pll.h"
37 #include "amdgpu_connectors.h"
38 #include "amdgpu_display.h"
39 #include "dce_v10_0.h"
40 
41 #include "dce/dce_10_0_d.h"
42 #include "dce/dce_10_0_sh_mask.h"
43 #include "dce/dce_10_0_enum.h"
44 #include "oss/oss_3_0_d.h"
45 #include "oss/oss_3_0_sh_mask.h"
46 #include "gmc/gmc_8_1_d.h"
47 #include "gmc/gmc_8_1_sh_mask.h"
48 
49 #include "ivsrcid/ivsrcid_vislands30.h"
50 
51 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev);
52 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev);
53 
54 static const u32 crtc_offsets[] =
55 {
56 	CRTC0_REGISTER_OFFSET,
57 	CRTC1_REGISTER_OFFSET,
58 	CRTC2_REGISTER_OFFSET,
59 	CRTC3_REGISTER_OFFSET,
60 	CRTC4_REGISTER_OFFSET,
61 	CRTC5_REGISTER_OFFSET,
62 	CRTC6_REGISTER_OFFSET
63 };
64 
65 static const u32 hpd_offsets[] =
66 {
67 	HPD0_REGISTER_OFFSET,
68 	HPD1_REGISTER_OFFSET,
69 	HPD2_REGISTER_OFFSET,
70 	HPD3_REGISTER_OFFSET,
71 	HPD4_REGISTER_OFFSET,
72 	HPD5_REGISTER_OFFSET
73 };
74 
75 static const uint32_t dig_offsets[] = {
76 	DIG0_REGISTER_OFFSET,
77 	DIG1_REGISTER_OFFSET,
78 	DIG2_REGISTER_OFFSET,
79 	DIG3_REGISTER_OFFSET,
80 	DIG4_REGISTER_OFFSET,
81 	DIG5_REGISTER_OFFSET,
82 	DIG6_REGISTER_OFFSET
83 };
84 
85 static const struct {
86 	uint32_t        reg;
87 	uint32_t        vblank;
88 	uint32_t        vline;
89 	uint32_t        hpd;
90 
91 } interrupt_status_offsets[] = { {
92 	.reg = mmDISP_INTERRUPT_STATUS,
93 	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
94 	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
95 	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
96 }, {
97 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
98 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
99 	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
100 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
101 }, {
102 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
103 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
104 	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
105 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
106 }, {
107 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
108 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
109 	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
110 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
111 }, {
112 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
113 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
114 	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
115 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
116 }, {
117 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
118 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
119 	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
120 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
121 } };
122 
123 static const u32 golden_settings_tonga_a11[] =
124 {
125 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
126 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
127 	mmFBC_MISC, 0x1f311fff, 0x12300000,
128 	mmHDMI_CONTROL, 0x31000111, 0x00000011,
129 };
130 
131 static const u32 tonga_mgcg_cgcg_init[] =
132 {
133 	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
134 	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
135 };
136 
137 static const u32 golden_settings_fiji_a10[] =
138 {
139 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
140 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
141 	mmFBC_MISC, 0x1f311fff, 0x12300000,
142 	mmHDMI_CONTROL, 0x31000111, 0x00000011,
143 };
144 
145 static const u32 fiji_mgcg_cgcg_init[] =
146 {
147 	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
148 	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
149 };
150 
151 static void dce_v10_0_init_golden_registers(struct amdgpu_device *adev)
152 {
153 	switch (adev->asic_type) {
154 	case CHIP_FIJI:
155 		amdgpu_device_program_register_sequence(adev,
156 							fiji_mgcg_cgcg_init,
157 							ARRAY_SIZE(fiji_mgcg_cgcg_init));
158 		amdgpu_device_program_register_sequence(adev,
159 							golden_settings_fiji_a10,
160 							ARRAY_SIZE(golden_settings_fiji_a10));
161 		break;
162 	case CHIP_TONGA:
163 		amdgpu_device_program_register_sequence(adev,
164 							tonga_mgcg_cgcg_init,
165 							ARRAY_SIZE(tonga_mgcg_cgcg_init));
166 		amdgpu_device_program_register_sequence(adev,
167 							golden_settings_tonga_a11,
168 							ARRAY_SIZE(golden_settings_tonga_a11));
169 		break;
170 	default:
171 		break;
172 	}
173 }
174 
175 static u32 dce_v10_0_audio_endpt_rreg(struct amdgpu_device *adev,
176 				     u32 block_offset, u32 reg)
177 {
178 	unsigned long flags;
179 	u32 r;
180 
181 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
182 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
183 	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
184 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
185 
186 	return r;
187 }
188 
189 static void dce_v10_0_audio_endpt_wreg(struct amdgpu_device *adev,
190 				      u32 block_offset, u32 reg, u32 v)
191 {
192 	unsigned long flags;
193 
194 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
195 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
196 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
197 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
198 }
199 
200 static u32 dce_v10_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
201 {
202 	if (crtc >= adev->mode_info.num_crtc)
203 		return 0;
204 	else
205 		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
206 }
207 
208 static void dce_v10_0_pageflip_interrupt_init(struct amdgpu_device *adev)
209 {
210 	unsigned i;
211 
212 	/* Enable pflip interrupts */
213 	for (i = 0; i < adev->mode_info.num_crtc; i++)
214 		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
215 }
216 
217 static void dce_v10_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
218 {
219 	unsigned i;
220 
221 	/* Disable pflip interrupts */
222 	for (i = 0; i < adev->mode_info.num_crtc; i++)
223 		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
224 }
225 
226 /**
227  * dce_v10_0_page_flip - pageflip callback.
228  *
229  * @adev: amdgpu_device pointer
230  * @crtc_id: crtc to cleanup pageflip on
231  * @crtc_base: new address of the crtc (GPU MC address)
232  * @async: asynchronous flip
233  *
234  * Triggers the actual pageflip by updating the primary
235  * surface base address.
236  */
237 static void dce_v10_0_page_flip(struct amdgpu_device *adev,
238 				int crtc_id, u64 crtc_base, bool async)
239 {
240 	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
241 	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
242 	u32 tmp;
243 
244 	/* flip at hsync for async, default is vsync */
245 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
246 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
247 			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, async ? 1 : 0);
248 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
249 	/* update pitch */
250 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
251 	       fb->pitches[0] / fb->format->cpp[0]);
252 	/* update the primary scanout address */
253 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
254 	       upper_32_bits(crtc_base));
255 	/* writing to the low address triggers the update */
256 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
257 	       lower_32_bits(crtc_base));
258 	/* post the write */
259 	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
260 }
261 
262 static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
263 					u32 *vbl, u32 *position)
264 {
265 	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
266 		return -EINVAL;
267 
268 	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
269 	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
270 
271 	return 0;
272 }
273 
274 /**
275  * dce_v10_0_hpd_sense - hpd sense callback.
276  *
277  * @adev: amdgpu_device pointer
278  * @hpd: hpd (hotplug detect) pin
279  *
280  * Checks if a digital monitor is connected (evergreen+).
281  * Returns true if connected, false if not connected.
282  */
283 static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev,
284 			       enum amdgpu_hpd_id hpd)
285 {
286 	bool connected = false;
287 
288 	if (hpd >= adev->mode_info.num_hpd)
289 		return connected;
290 
291 	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
292 	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
293 		connected = true;
294 
295 	return connected;
296 }
297 
298 /**
299  * dce_v10_0_hpd_set_polarity - hpd set polarity callback.
300  *
301  * @adev: amdgpu_device pointer
302  * @hpd: hpd (hotplug detect) pin
303  *
304  * Set the polarity of the hpd pin (evergreen+).
305  */
306 static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev,
307 				      enum amdgpu_hpd_id hpd)
308 {
309 	u32 tmp;
310 	bool connected = dce_v10_0_hpd_sense(adev, hpd);
311 
312 	if (hpd >= adev->mode_info.num_hpd)
313 		return;
314 
315 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
316 	if (connected)
317 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
318 	else
319 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
320 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
321 }
322 
323 /**
324  * dce_v10_0_hpd_init - hpd setup callback.
325  *
326  * @adev: amdgpu_device pointer
327  *
328  * Setup the hpd pins used by the card (evergreen+).
329  * Enable the pin, set the polarity, and enable the hpd interrupts.
330  */
331 static void dce_v10_0_hpd_init(struct amdgpu_device *adev)
332 {
333 	struct drm_device *dev = adev_to_drm(adev);
334 	struct drm_connector *connector;
335 	struct drm_connector_list_iter iter;
336 	u32 tmp;
337 
338 	drm_connector_list_iter_begin(dev, &iter);
339 	drm_for_each_connector_iter(connector, &iter) {
340 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
341 
342 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
343 			continue;
344 
345 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
346 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
347 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
348 			 * aux dp channel on imac and help (but not completely fix)
349 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
350 			 * also avoid interrupt storms during dpms.
351 			 */
352 			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
353 			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
354 			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
355 			continue;
356 		}
357 
358 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
359 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
360 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
361 
362 		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
363 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
364 				    DC_HPD_CONNECT_INT_DELAY,
365 				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
366 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
367 				    DC_HPD_DISCONNECT_INT_DELAY,
368 				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
369 		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
370 
371 		dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
372 		amdgpu_irq_get(adev, &adev->hpd_irq,
373 			       amdgpu_connector->hpd.hpd);
374 	}
375 	drm_connector_list_iter_end(&iter);
376 }
377 
378 /**
379  * dce_v10_0_hpd_fini - hpd tear down callback.
380  *
381  * @adev: amdgpu_device pointer
382  *
383  * Tear down the hpd pins used by the card (evergreen+).
384  * Disable the hpd interrupts.
385  */
386 static void dce_v10_0_hpd_fini(struct amdgpu_device *adev)
387 {
388 	struct drm_device *dev = adev_to_drm(adev);
389 	struct drm_connector *connector;
390 	struct drm_connector_list_iter iter;
391 	u32 tmp;
392 
393 	drm_connector_list_iter_begin(dev, &iter);
394 	drm_for_each_connector_iter(connector, &iter) {
395 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
396 
397 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
398 			continue;
399 
400 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
401 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
402 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
403 
404 		amdgpu_irq_put(adev, &adev->hpd_irq,
405 			       amdgpu_connector->hpd.hpd);
406 	}
407 	drm_connector_list_iter_end(&iter);
408 }
409 
410 static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
411 {
412 	return mmDC_GPIO_HPD_A;
413 }
414 
415 static bool dce_v10_0_is_display_hung(struct amdgpu_device *adev)
416 {
417 	u32 crtc_hung = 0;
418 	u32 crtc_status[6];
419 	u32 i, j, tmp;
420 
421 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
422 		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
423 		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
424 			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
425 			crtc_hung |= (1 << i);
426 		}
427 	}
428 
429 	for (j = 0; j < 10; j++) {
430 		for (i = 0; i < adev->mode_info.num_crtc; i++) {
431 			if (crtc_hung & (1 << i)) {
432 				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
433 				if (tmp != crtc_status[i])
434 					crtc_hung &= ~(1 << i);
435 			}
436 		}
437 		if (crtc_hung == 0)
438 			return false;
439 		udelay(100);
440 	}
441 
442 	return true;
443 }
444 
445 static void dce_v10_0_set_vga_render_state(struct amdgpu_device *adev,
446 					   bool render)
447 {
448 	u32 tmp;
449 
450 	/* Lockout access through VGA aperture*/
451 	tmp = RREG32(mmVGA_HDP_CONTROL);
452 	if (render)
453 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
454 	else
455 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
456 	WREG32(mmVGA_HDP_CONTROL, tmp);
457 
458 	/* disable VGA render */
459 	tmp = RREG32(mmVGA_RENDER_CONTROL);
460 	if (render)
461 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
462 	else
463 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
464 	WREG32(mmVGA_RENDER_CONTROL, tmp);
465 }
466 
467 static int dce_v10_0_get_num_crtc(struct amdgpu_device *adev)
468 {
469 	int num_crtc = 0;
470 
471 	switch (adev->asic_type) {
472 	case CHIP_FIJI:
473 	case CHIP_TONGA:
474 		num_crtc = 6;
475 		break;
476 	default:
477 		num_crtc = 0;
478 	}
479 	return num_crtc;
480 }
481 
482 void dce_v10_0_disable_dce(struct amdgpu_device *adev)
483 {
484 	/*Disable VGA render and enabled crtc, if has DCE engine*/
485 	if (amdgpu_atombios_has_dce_engine_info(adev)) {
486 		u32 tmp;
487 		int crtc_enabled, i;
488 
489 		dce_v10_0_set_vga_render_state(adev, false);
490 
491 		/*Disable crtc*/
492 		for (i = 0; i < dce_v10_0_get_num_crtc(adev); i++) {
493 			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
494 									 CRTC_CONTROL, CRTC_MASTER_EN);
495 			if (crtc_enabled) {
496 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
497 				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
498 				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
499 				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
500 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
501 			}
502 		}
503 	}
504 }
505 
506 static void dce_v10_0_program_fmt(struct drm_encoder *encoder)
507 {
508 	struct drm_device *dev = encoder->dev;
509 	struct amdgpu_device *adev = drm_to_adev(dev);
510 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
511 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
512 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
513 	int bpc = 0;
514 	u32 tmp = 0;
515 	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
516 
517 	if (connector) {
518 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
519 		bpc = amdgpu_connector_get_monitor_bpc(connector);
520 		dither = amdgpu_connector->dither;
521 	}
522 
523 	/* LVDS/eDP FMT is set up by atom */
524 	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
525 		return;
526 
527 	/* not needed for analog */
528 	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
529 	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
530 		return;
531 
532 	if (bpc == 0)
533 		return;
534 
535 	switch (bpc) {
536 	case 6:
537 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
538 			/* XXX sort out optimal dither settings */
539 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
540 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
541 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
542 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
543 		} else {
544 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
545 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
546 		}
547 		break;
548 	case 8:
549 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
550 			/* XXX sort out optimal dither settings */
551 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
552 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
553 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
554 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
555 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
556 		} else {
557 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
558 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
559 		}
560 		break;
561 	case 10:
562 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
563 			/* XXX sort out optimal dither settings */
564 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
565 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
566 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
567 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
568 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
569 		} else {
570 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
571 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
572 		}
573 		break;
574 	default:
575 		/* not needed */
576 		break;
577 	}
578 
579 	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
580 }
581 
582 
583 /* display watermark setup */
584 /**
585  * dce_v10_0_line_buffer_adjust - Set up the line buffer
586  *
587  * @adev: amdgpu_device pointer
588  * @amdgpu_crtc: the selected display controller
589  * @mode: the current display mode on the selected display
590  * controller
591  *
592  * Setup up the line buffer allocation for
593  * the selected display controller (CIK).
594  * Returns the line buffer size in pixels.
595  */
596 static u32 dce_v10_0_line_buffer_adjust(struct amdgpu_device *adev,
597 				       struct amdgpu_crtc *amdgpu_crtc,
598 				       struct drm_display_mode *mode)
599 {
600 	u32 tmp, buffer_alloc, i, mem_cfg;
601 	u32 pipe_offset = amdgpu_crtc->crtc_id;
602 	/*
603 	 * Line Buffer Setup
604 	 * There are 6 line buffers, one for each display controllers.
605 	 * There are 3 partitions per LB. Select the number of partitions
606 	 * to enable based on the display width.  For display widths larger
607 	 * than 4096, you need use to use 2 display controllers and combine
608 	 * them using the stereo blender.
609 	 */
610 	if (amdgpu_crtc->base.enabled && mode) {
611 		if (mode->crtc_hdisplay < 1920) {
612 			mem_cfg = 1;
613 			buffer_alloc = 2;
614 		} else if (mode->crtc_hdisplay < 2560) {
615 			mem_cfg = 2;
616 			buffer_alloc = 2;
617 		} else if (mode->crtc_hdisplay < 4096) {
618 			mem_cfg = 0;
619 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
620 		} else {
621 			DRM_DEBUG_KMS("Mode too big for LB!\n");
622 			mem_cfg = 0;
623 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
624 		}
625 	} else {
626 		mem_cfg = 1;
627 		buffer_alloc = 0;
628 	}
629 
630 	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
631 	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
632 	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
633 
634 	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
635 	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
636 	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
637 
638 	for (i = 0; i < adev->usec_timeout; i++) {
639 		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
640 		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
641 			break;
642 		udelay(1);
643 	}
644 
645 	if (amdgpu_crtc->base.enabled && mode) {
646 		switch (mem_cfg) {
647 		case 0:
648 		default:
649 			return 4096 * 2;
650 		case 1:
651 			return 1920 * 2;
652 		case 2:
653 			return 2560 * 2;
654 		}
655 	}
656 
657 	/* controller not enabled, so no lb used */
658 	return 0;
659 }
660 
661 /**
662  * cik_get_number_of_dram_channels - get the number of dram channels
663  *
664  * @adev: amdgpu_device pointer
665  *
666  * Look up the number of video ram channels (CIK).
667  * Used for display watermark bandwidth calculations
668  * Returns the number of dram channels
669  */
670 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
671 {
672 	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
673 
674 	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
675 	case 0:
676 	default:
677 		return 1;
678 	case 1:
679 		return 2;
680 	case 2:
681 		return 4;
682 	case 3:
683 		return 8;
684 	case 4:
685 		return 3;
686 	case 5:
687 		return 6;
688 	case 6:
689 		return 10;
690 	case 7:
691 		return 12;
692 	case 8:
693 		return 16;
694 	}
695 }
696 
697 struct dce10_wm_params {
698 	u32 dram_channels; /* number of dram channels */
699 	u32 yclk;          /* bandwidth per dram data pin in kHz */
700 	u32 sclk;          /* engine clock in kHz */
701 	u32 disp_clk;      /* display clock in kHz */
702 	u32 src_width;     /* viewport width */
703 	u32 active_time;   /* active display time in ns */
704 	u32 blank_time;    /* blank time in ns */
705 	bool interlaced;    /* mode is interlaced */
706 	fixed20_12 vsc;    /* vertical scale ratio */
707 	u32 num_heads;     /* number of active crtcs */
708 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
709 	u32 lb_size;       /* line buffer allocated to pipe */
710 	u32 vtaps;         /* vertical scaler taps */
711 };
712 
713 /**
714  * dce_v10_0_dram_bandwidth - get the dram bandwidth
715  *
716  * @wm: watermark calculation data
717  *
718  * Calculate the raw dram bandwidth (CIK).
719  * Used for display watermark bandwidth calculations
720  * Returns the dram bandwidth in MBytes/s
721  */
722 static u32 dce_v10_0_dram_bandwidth(struct dce10_wm_params *wm)
723 {
724 	/* Calculate raw DRAM Bandwidth */
725 	fixed20_12 dram_efficiency; /* 0.7 */
726 	fixed20_12 yclk, dram_channels, bandwidth;
727 	fixed20_12 a;
728 
729 	a.full = dfixed_const(1000);
730 	yclk.full = dfixed_const(wm->yclk);
731 	yclk.full = dfixed_div(yclk, a);
732 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
733 	a.full = dfixed_const(10);
734 	dram_efficiency.full = dfixed_const(7);
735 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
736 	bandwidth.full = dfixed_mul(dram_channels, yclk);
737 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
738 
739 	return dfixed_trunc(bandwidth);
740 }
741 
742 /**
743  * dce_v10_0_dram_bandwidth_for_display - get the dram bandwidth for display
744  *
745  * @wm: watermark calculation data
746  *
747  * Calculate the dram bandwidth used for display (CIK).
748  * Used for display watermark bandwidth calculations
749  * Returns the dram bandwidth for display in MBytes/s
750  */
751 static u32 dce_v10_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
752 {
753 	/* Calculate DRAM Bandwidth and the part allocated to display. */
754 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
755 	fixed20_12 yclk, dram_channels, bandwidth;
756 	fixed20_12 a;
757 
758 	a.full = dfixed_const(1000);
759 	yclk.full = dfixed_const(wm->yclk);
760 	yclk.full = dfixed_div(yclk, a);
761 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
762 	a.full = dfixed_const(10);
763 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
764 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
765 	bandwidth.full = dfixed_mul(dram_channels, yclk);
766 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
767 
768 	return dfixed_trunc(bandwidth);
769 }
770 
771 /**
772  * dce_v10_0_data_return_bandwidth - get the data return bandwidth
773  *
774  * @wm: watermark calculation data
775  *
776  * Calculate the data return bandwidth used for display (CIK).
777  * Used for display watermark bandwidth calculations
778  * Returns the data return bandwidth in MBytes/s
779  */
780 static u32 dce_v10_0_data_return_bandwidth(struct dce10_wm_params *wm)
781 {
782 	/* Calculate the display Data return Bandwidth */
783 	fixed20_12 return_efficiency; /* 0.8 */
784 	fixed20_12 sclk, bandwidth;
785 	fixed20_12 a;
786 
787 	a.full = dfixed_const(1000);
788 	sclk.full = dfixed_const(wm->sclk);
789 	sclk.full = dfixed_div(sclk, a);
790 	a.full = dfixed_const(10);
791 	return_efficiency.full = dfixed_const(8);
792 	return_efficiency.full = dfixed_div(return_efficiency, a);
793 	a.full = dfixed_const(32);
794 	bandwidth.full = dfixed_mul(a, sclk);
795 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
796 
797 	return dfixed_trunc(bandwidth);
798 }
799 
800 /**
801  * dce_v10_0_dmif_request_bandwidth - get the dmif bandwidth
802  *
803  * @wm: watermark calculation data
804  *
805  * Calculate the dmif bandwidth used for display (CIK).
806  * Used for display watermark bandwidth calculations
807  * Returns the dmif bandwidth in MBytes/s
808  */
809 static u32 dce_v10_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
810 {
811 	/* Calculate the DMIF Request Bandwidth */
812 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
813 	fixed20_12 disp_clk, bandwidth;
814 	fixed20_12 a, b;
815 
816 	a.full = dfixed_const(1000);
817 	disp_clk.full = dfixed_const(wm->disp_clk);
818 	disp_clk.full = dfixed_div(disp_clk, a);
819 	a.full = dfixed_const(32);
820 	b.full = dfixed_mul(a, disp_clk);
821 
822 	a.full = dfixed_const(10);
823 	disp_clk_request_efficiency.full = dfixed_const(8);
824 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
825 
826 	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
827 
828 	return dfixed_trunc(bandwidth);
829 }
830 
831 /**
832  * dce_v10_0_available_bandwidth - get the min available bandwidth
833  *
834  * @wm: watermark calculation data
835  *
836  * Calculate the min available bandwidth used for display (CIK).
837  * Used for display watermark bandwidth calculations
838  * Returns the min available bandwidth in MBytes/s
839  */
840 static u32 dce_v10_0_available_bandwidth(struct dce10_wm_params *wm)
841 {
842 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
843 	u32 dram_bandwidth = dce_v10_0_dram_bandwidth(wm);
844 	u32 data_return_bandwidth = dce_v10_0_data_return_bandwidth(wm);
845 	u32 dmif_req_bandwidth = dce_v10_0_dmif_request_bandwidth(wm);
846 
847 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
848 }
849 
850 /**
851  * dce_v10_0_average_bandwidth - get the average available bandwidth
852  *
853  * @wm: watermark calculation data
854  *
855  * Calculate the average available bandwidth used for display (CIK).
856  * Used for display watermark bandwidth calculations
857  * Returns the average available bandwidth in MBytes/s
858  */
859 static u32 dce_v10_0_average_bandwidth(struct dce10_wm_params *wm)
860 {
861 	/* Calculate the display mode Average Bandwidth
862 	 * DisplayMode should contain the source and destination dimensions,
863 	 * timing, etc.
864 	 */
865 	fixed20_12 bpp;
866 	fixed20_12 line_time;
867 	fixed20_12 src_width;
868 	fixed20_12 bandwidth;
869 	fixed20_12 a;
870 
871 	a.full = dfixed_const(1000);
872 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
873 	line_time.full = dfixed_div(line_time, a);
874 	bpp.full = dfixed_const(wm->bytes_per_pixel);
875 	src_width.full = dfixed_const(wm->src_width);
876 	bandwidth.full = dfixed_mul(src_width, bpp);
877 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
878 	bandwidth.full = dfixed_div(bandwidth, line_time);
879 
880 	return dfixed_trunc(bandwidth);
881 }
882 
883 /**
884  * dce_v10_0_latency_watermark - get the latency watermark
885  *
886  * @wm: watermark calculation data
887  *
888  * Calculate the latency watermark (CIK).
889  * Used for display watermark bandwidth calculations
890  * Returns the latency watermark in ns
891  */
892 static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
893 {
894 	/* First calculate the latency in ns */
895 	u32 mc_latency = 2000; /* 2000 ns. */
896 	u32 available_bandwidth = dce_v10_0_available_bandwidth(wm);
897 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
898 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
899 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
900 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
901 		(wm->num_heads * cursor_line_pair_return_time);
902 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
903 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
904 	u32 tmp, dmif_size = 12288;
905 	fixed20_12 a, b, c;
906 
907 	if (wm->num_heads == 0)
908 		return 0;
909 
910 	a.full = dfixed_const(2);
911 	b.full = dfixed_const(1);
912 	if ((wm->vsc.full > a.full) ||
913 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
914 	    (wm->vtaps >= 5) ||
915 	    ((wm->vsc.full >= a.full) && wm->interlaced))
916 		max_src_lines_per_dst_line = 4;
917 	else
918 		max_src_lines_per_dst_line = 2;
919 
920 	a.full = dfixed_const(available_bandwidth);
921 	b.full = dfixed_const(wm->num_heads);
922 	a.full = dfixed_div(a, b);
923 	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
924 	tmp = min(dfixed_trunc(a), tmp);
925 
926 	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
927 
928 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
929 	b.full = dfixed_const(1000);
930 	c.full = dfixed_const(lb_fill_bw);
931 	b.full = dfixed_div(c, b);
932 	a.full = dfixed_div(a, b);
933 	line_fill_time = dfixed_trunc(a);
934 
935 	if (line_fill_time < wm->active_time)
936 		return latency;
937 	else
938 		return latency + (line_fill_time - wm->active_time);
939 
940 }
941 
942 /**
943  * dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display - check
944  * average and available dram bandwidth
945  *
946  * @wm: watermark calculation data
947  *
948  * Check if the display average bandwidth fits in the display
949  * dram bandwidth (CIK).
950  * Used for display watermark bandwidth calculations
951  * Returns true if the display fits, false if not.
952  */
953 static bool dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
954 {
955 	if (dce_v10_0_average_bandwidth(wm) <=
956 	    (dce_v10_0_dram_bandwidth_for_display(wm) / wm->num_heads))
957 		return true;
958 	else
959 		return false;
960 }
961 
962 /**
963  * dce_v10_0_average_bandwidth_vs_available_bandwidth - check
964  * average and available bandwidth
965  *
966  * @wm: watermark calculation data
967  *
968  * Check if the display average bandwidth fits in the display
969  * available bandwidth (CIK).
970  * Used for display watermark bandwidth calculations
971  * Returns true if the display fits, false if not.
972  */
973 static bool dce_v10_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
974 {
975 	if (dce_v10_0_average_bandwidth(wm) <=
976 	    (dce_v10_0_available_bandwidth(wm) / wm->num_heads))
977 		return true;
978 	else
979 		return false;
980 }
981 
982 /**
983  * dce_v10_0_check_latency_hiding - check latency hiding
984  *
985  * @wm: watermark calculation data
986  *
987  * Check latency hiding (CIK).
988  * Used for display watermark bandwidth calculations
989  * Returns true if the display fits, false if not.
990  */
991 static bool dce_v10_0_check_latency_hiding(struct dce10_wm_params *wm)
992 {
993 	u32 lb_partitions = wm->lb_size / wm->src_width;
994 	u32 line_time = wm->active_time + wm->blank_time;
995 	u32 latency_tolerant_lines;
996 	u32 latency_hiding;
997 	fixed20_12 a;
998 
999 	a.full = dfixed_const(1);
1000 	if (wm->vsc.full > a.full)
1001 		latency_tolerant_lines = 1;
1002 	else {
1003 		if (lb_partitions <= (wm->vtaps + 1))
1004 			latency_tolerant_lines = 1;
1005 		else
1006 			latency_tolerant_lines = 2;
1007 	}
1008 
1009 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1010 
1011 	if (dce_v10_0_latency_watermark(wm) <= latency_hiding)
1012 		return true;
1013 	else
1014 		return false;
1015 }
1016 
1017 /**
1018  * dce_v10_0_program_watermarks - program display watermarks
1019  *
1020  * @adev: amdgpu_device pointer
1021  * @amdgpu_crtc: the selected display controller
1022  * @lb_size: line buffer size
1023  * @num_heads: number of display controllers in use
1024  *
1025  * Calculate and program the display watermarks for the
1026  * selected display controller (CIK).
1027  */
1028 static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
1029 					struct amdgpu_crtc *amdgpu_crtc,
1030 					u32 lb_size, u32 num_heads)
1031 {
1032 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1033 	struct dce10_wm_params wm_low, wm_high;
1034 	u32 active_time;
1035 	u32 line_time = 0;
1036 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1037 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1038 
1039 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1040 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1041 					    (u32)mode->clock);
1042 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1043 					  (u32)mode->clock);
1044 		line_time = min(line_time, (u32)65535);
1045 
1046 		/* watermark for high clocks */
1047 		if (adev->pm.dpm_enabled) {
1048 			wm_high.yclk =
1049 				amdgpu_dpm_get_mclk(adev, false) * 10;
1050 			wm_high.sclk =
1051 				amdgpu_dpm_get_sclk(adev, false) * 10;
1052 		} else {
1053 			wm_high.yclk = adev->pm.current_mclk * 10;
1054 			wm_high.sclk = adev->pm.current_sclk * 10;
1055 		}
1056 
1057 		wm_high.disp_clk = mode->clock;
1058 		wm_high.src_width = mode->crtc_hdisplay;
1059 		wm_high.active_time = active_time;
1060 		wm_high.blank_time = line_time - wm_high.active_time;
1061 		wm_high.interlaced = false;
1062 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1063 			wm_high.interlaced = true;
1064 		wm_high.vsc = amdgpu_crtc->vsc;
1065 		wm_high.vtaps = 1;
1066 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1067 			wm_high.vtaps = 2;
1068 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1069 		wm_high.lb_size = lb_size;
1070 		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1071 		wm_high.num_heads = num_heads;
1072 
1073 		/* set for high clocks */
1074 		latency_watermark_a = min(dce_v10_0_latency_watermark(&wm_high), (u32)65535);
1075 
1076 		/* possibly force display priority to high */
1077 		/* should really do this at mode validation time... */
1078 		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1079 		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1080 		    !dce_v10_0_check_latency_hiding(&wm_high) ||
1081 		    (adev->mode_info.disp_priority == 2)) {
1082 			DRM_DEBUG_KMS("force priority to high\n");
1083 		}
1084 
1085 		/* watermark for low clocks */
1086 		if (adev->pm.dpm_enabled) {
1087 			wm_low.yclk =
1088 				amdgpu_dpm_get_mclk(adev, true) * 10;
1089 			wm_low.sclk =
1090 				amdgpu_dpm_get_sclk(adev, true) * 10;
1091 		} else {
1092 			wm_low.yclk = adev->pm.current_mclk * 10;
1093 			wm_low.sclk = adev->pm.current_sclk * 10;
1094 		}
1095 
1096 		wm_low.disp_clk = mode->clock;
1097 		wm_low.src_width = mode->crtc_hdisplay;
1098 		wm_low.active_time = active_time;
1099 		wm_low.blank_time = line_time - wm_low.active_time;
1100 		wm_low.interlaced = false;
1101 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1102 			wm_low.interlaced = true;
1103 		wm_low.vsc = amdgpu_crtc->vsc;
1104 		wm_low.vtaps = 1;
1105 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1106 			wm_low.vtaps = 2;
1107 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1108 		wm_low.lb_size = lb_size;
1109 		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1110 		wm_low.num_heads = num_heads;
1111 
1112 		/* set for low clocks */
1113 		latency_watermark_b = min(dce_v10_0_latency_watermark(&wm_low), (u32)65535);
1114 
1115 		/* possibly force display priority to high */
1116 		/* should really do this at mode validation time... */
1117 		if (!dce_v10_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1118 		    !dce_v10_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1119 		    !dce_v10_0_check_latency_hiding(&wm_low) ||
1120 		    (adev->mode_info.disp_priority == 2)) {
1121 			DRM_DEBUG_KMS("force priority to high\n");
1122 		}
1123 		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1124 	}
1125 
1126 	/* select wm A */
1127 	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1128 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1129 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1130 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1131 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1132 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1133 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1134 	/* select wm B */
1135 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1136 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1137 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1138 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1139 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1140 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1141 	/* restore original selection */
1142 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1143 
1144 	/* save values for DPM */
1145 	amdgpu_crtc->line_time = line_time;
1146 	amdgpu_crtc->wm_high = latency_watermark_a;
1147 	amdgpu_crtc->wm_low = latency_watermark_b;
1148 	/* Save number of lines the linebuffer leads before the scanout */
1149 	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1150 }
1151 
1152 /**
1153  * dce_v10_0_bandwidth_update - program display watermarks
1154  *
1155  * @adev: amdgpu_device pointer
1156  *
1157  * Calculate and program the display watermarks and line
1158  * buffer allocation (CIK).
1159  */
1160 static void dce_v10_0_bandwidth_update(struct amdgpu_device *adev)
1161 {
1162 	struct drm_display_mode *mode = NULL;
1163 	u32 num_heads = 0, lb_size;
1164 	int i;
1165 
1166 	amdgpu_display_update_priority(adev);
1167 
1168 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1169 		if (adev->mode_info.crtcs[i]->base.enabled)
1170 			num_heads++;
1171 	}
1172 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1173 		mode = &adev->mode_info.crtcs[i]->base.mode;
1174 		lb_size = dce_v10_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1175 		dce_v10_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1176 					    lb_size, num_heads);
1177 	}
1178 }
1179 
1180 static void dce_v10_0_audio_get_connected_pins(struct amdgpu_device *adev)
1181 {
1182 	int i;
1183 	u32 offset, tmp;
1184 
1185 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1186 		offset = adev->mode_info.audio.pin[i].offset;
1187 		tmp = RREG32_AUDIO_ENDPT(offset,
1188 					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1189 		if (((tmp &
1190 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1191 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1192 			adev->mode_info.audio.pin[i].connected = false;
1193 		else
1194 			adev->mode_info.audio.pin[i].connected = true;
1195 	}
1196 }
1197 
1198 static struct amdgpu_audio_pin *dce_v10_0_audio_get_pin(struct amdgpu_device *adev)
1199 {
1200 	int i;
1201 
1202 	dce_v10_0_audio_get_connected_pins(adev);
1203 
1204 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1205 		if (adev->mode_info.audio.pin[i].connected)
1206 			return &adev->mode_info.audio.pin[i];
1207 	}
1208 	DRM_ERROR("No connected audio pins found!\n");
1209 	return NULL;
1210 }
1211 
1212 static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1213 {
1214 	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1215 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1216 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1217 	u32 tmp;
1218 
1219 	if (!dig || !dig->afmt || !dig->afmt->pin)
1220 		return;
1221 
1222 	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1223 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1224 	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1225 }
1226 
1227 static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder,
1228 						struct drm_display_mode *mode)
1229 {
1230 	struct drm_device *dev = encoder->dev;
1231 	struct amdgpu_device *adev = drm_to_adev(dev);
1232 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1233 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1234 	struct drm_connector *connector;
1235 	struct drm_connector_list_iter iter;
1236 	struct amdgpu_connector *amdgpu_connector = NULL;
1237 	u32 tmp;
1238 	int interlace = 0;
1239 
1240 	if (!dig || !dig->afmt || !dig->afmt->pin)
1241 		return;
1242 
1243 	drm_connector_list_iter_begin(dev, &iter);
1244 	drm_for_each_connector_iter(connector, &iter) {
1245 		if (connector->encoder == encoder) {
1246 			amdgpu_connector = to_amdgpu_connector(connector);
1247 			break;
1248 		}
1249 	}
1250 	drm_connector_list_iter_end(&iter);
1251 
1252 	if (!amdgpu_connector) {
1253 		DRM_ERROR("Couldn't find encoder's connector\n");
1254 		return;
1255 	}
1256 
1257 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1258 		interlace = 1;
1259 	if (connector->latency_present[interlace]) {
1260 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1261 				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1262 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1263 				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1264 	} else {
1265 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1266 				    VIDEO_LIPSYNC, 0);
1267 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1268 				    AUDIO_LIPSYNC, 0);
1269 	}
1270 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1271 			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1272 }
1273 
1274 static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1275 {
1276 	struct drm_device *dev = encoder->dev;
1277 	struct amdgpu_device *adev = drm_to_adev(dev);
1278 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1279 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1280 	struct drm_connector *connector;
1281 	struct drm_connector_list_iter iter;
1282 	struct amdgpu_connector *amdgpu_connector = NULL;
1283 	u32 tmp;
1284 	u8 *sadb = NULL;
1285 	int sad_count;
1286 
1287 	if (!dig || !dig->afmt || !dig->afmt->pin)
1288 		return;
1289 
1290 	drm_connector_list_iter_begin(dev, &iter);
1291 	drm_for_each_connector_iter(connector, &iter) {
1292 		if (connector->encoder == encoder) {
1293 			amdgpu_connector = to_amdgpu_connector(connector);
1294 			break;
1295 		}
1296 	}
1297 	drm_connector_list_iter_end(&iter);
1298 
1299 	if (!amdgpu_connector) {
1300 		DRM_ERROR("Couldn't find encoder's connector\n");
1301 		return;
1302 	}
1303 
1304 	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1305 	if (sad_count < 0) {
1306 		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1307 		sad_count = 0;
1308 	}
1309 
1310 	/* program the speaker allocation */
1311 	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1312 				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1313 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1314 			    DP_CONNECTION, 0);
1315 	/* set HDMI mode */
1316 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1317 			    HDMI_CONNECTION, 1);
1318 	if (sad_count)
1319 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1320 				    SPEAKER_ALLOCATION, sadb[0]);
1321 	else
1322 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1323 				    SPEAKER_ALLOCATION, 5); /* stereo */
1324 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1325 			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1326 
1327 	kfree(sadb);
1328 }
1329 
1330 static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder)
1331 {
1332 	struct drm_device *dev = encoder->dev;
1333 	struct amdgpu_device *adev = drm_to_adev(dev);
1334 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1335 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1336 	struct drm_connector *connector;
1337 	struct drm_connector_list_iter iter;
1338 	struct amdgpu_connector *amdgpu_connector = NULL;
1339 	struct cea_sad *sads;
1340 	int i, sad_count;
1341 
1342 	static const u16 eld_reg_to_type[][2] = {
1343 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1344 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1345 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1346 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1347 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1348 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1349 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1350 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1351 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1352 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1353 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1354 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1355 	};
1356 
1357 	if (!dig || !dig->afmt || !dig->afmt->pin)
1358 		return;
1359 
1360 	drm_connector_list_iter_begin(dev, &iter);
1361 	drm_for_each_connector_iter(connector, &iter) {
1362 		if (connector->encoder == encoder) {
1363 			amdgpu_connector = to_amdgpu_connector(connector);
1364 			break;
1365 		}
1366 	}
1367 	drm_connector_list_iter_end(&iter);
1368 
1369 	if (!amdgpu_connector) {
1370 		DRM_ERROR("Couldn't find encoder's connector\n");
1371 		return;
1372 	}
1373 
1374 	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1375 	if (sad_count < 0)
1376 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1377 	if (sad_count <= 0)
1378 		return;
1379 	BUG_ON(!sads);
1380 
1381 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1382 		u32 tmp = 0;
1383 		u8 stereo_freqs = 0;
1384 		int max_channels = -1;
1385 		int j;
1386 
1387 		for (j = 0; j < sad_count; j++) {
1388 			struct cea_sad *sad = &sads[j];
1389 
1390 			if (sad->format == eld_reg_to_type[i][1]) {
1391 				if (sad->channels > max_channels) {
1392 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1393 							    MAX_CHANNELS, sad->channels);
1394 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1395 							    DESCRIPTOR_BYTE_2, sad->byte2);
1396 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1397 							    SUPPORTED_FREQUENCIES, sad->freq);
1398 					max_channels = sad->channels;
1399 				}
1400 
1401 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1402 					stereo_freqs |= sad->freq;
1403 				else
1404 					break;
1405 			}
1406 		}
1407 
1408 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1409 				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1410 		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1411 	}
1412 
1413 	kfree(sads);
1414 }
1415 
1416 static void dce_v10_0_audio_enable(struct amdgpu_device *adev,
1417 				  struct amdgpu_audio_pin *pin,
1418 				  bool enable)
1419 {
1420 	if (!pin)
1421 		return;
1422 
1423 	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1424 			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1425 }
1426 
1427 static const u32 pin_offsets[] =
1428 {
1429 	AUD0_REGISTER_OFFSET,
1430 	AUD1_REGISTER_OFFSET,
1431 	AUD2_REGISTER_OFFSET,
1432 	AUD3_REGISTER_OFFSET,
1433 	AUD4_REGISTER_OFFSET,
1434 	AUD5_REGISTER_OFFSET,
1435 	AUD6_REGISTER_OFFSET,
1436 };
1437 
1438 static int dce_v10_0_audio_init(struct amdgpu_device *adev)
1439 {
1440 	int i;
1441 
1442 	if (!amdgpu_audio)
1443 		return 0;
1444 
1445 	adev->mode_info.audio.enabled = true;
1446 
1447 	adev->mode_info.audio.num_pins = 7;
1448 
1449 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1450 		adev->mode_info.audio.pin[i].channels = -1;
1451 		adev->mode_info.audio.pin[i].rate = -1;
1452 		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1453 		adev->mode_info.audio.pin[i].status_bits = 0;
1454 		adev->mode_info.audio.pin[i].category_code = 0;
1455 		adev->mode_info.audio.pin[i].connected = false;
1456 		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1457 		adev->mode_info.audio.pin[i].id = i;
1458 		/* disable audio.  it will be set up later */
1459 		/* XXX remove once we switch to ip funcs */
1460 		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1461 	}
1462 
1463 	return 0;
1464 }
1465 
1466 static void dce_v10_0_audio_fini(struct amdgpu_device *adev)
1467 {
1468 	int i;
1469 
1470 	if (!amdgpu_audio)
1471 		return;
1472 
1473 	if (!adev->mode_info.audio.enabled)
1474 		return;
1475 
1476 	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1477 		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1478 
1479 	adev->mode_info.audio.enabled = false;
1480 }
1481 
1482 /*
1483  * update the N and CTS parameters for a given pixel clock rate
1484  */
1485 static void dce_v10_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1486 {
1487 	struct drm_device *dev = encoder->dev;
1488 	struct amdgpu_device *adev = drm_to_adev(dev);
1489 	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1490 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1491 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1492 	u32 tmp;
1493 
1494 	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1495 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1496 	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1497 	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1498 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1499 	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1500 
1501 	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1502 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1503 	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1504 	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1505 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1506 	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1507 
1508 	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1509 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1510 	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1511 	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1512 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1513 	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1514 
1515 }
1516 
1517 /*
1518  * build a HDMI Video Info Frame
1519  */
1520 static void dce_v10_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1521 					       void *buffer, size_t size)
1522 {
1523 	struct drm_device *dev = encoder->dev;
1524 	struct amdgpu_device *adev = drm_to_adev(dev);
1525 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1526 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1527 	uint8_t *frame = buffer + 3;
1528 	uint8_t *header = buffer;
1529 
1530 	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1531 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1532 	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1533 		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1534 	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1535 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1536 	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1537 		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1538 }
1539 
1540 static void dce_v10_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1541 {
1542 	struct drm_device *dev = encoder->dev;
1543 	struct amdgpu_device *adev = drm_to_adev(dev);
1544 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1545 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1546 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1547 	u32 dto_phase = 24 * 1000;
1548 	u32 dto_modulo = clock;
1549 	u32 tmp;
1550 
1551 	if (!dig || !dig->afmt)
1552 		return;
1553 
1554 	/* XXX two dtos; generally use dto0 for hdmi */
1555 	/* Express [24MHz / target pixel clock] as an exact rational
1556 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1557 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1558 	 */
1559 	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1560 	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1561 			    amdgpu_crtc->crtc_id);
1562 	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1563 	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1564 	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1565 }
1566 
1567 /*
1568  * update the info frames with the data from the current display mode
1569  */
1570 static void dce_v10_0_afmt_setmode(struct drm_encoder *encoder,
1571 				  struct drm_display_mode *mode)
1572 {
1573 	struct drm_device *dev = encoder->dev;
1574 	struct amdgpu_device *adev = drm_to_adev(dev);
1575 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1576 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1577 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1578 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1579 	struct hdmi_avi_infoframe frame;
1580 	ssize_t err;
1581 	u32 tmp;
1582 	int bpc = 8;
1583 
1584 	if (!dig || !dig->afmt)
1585 		return;
1586 
1587 	/* Silent, r600_hdmi_enable will raise WARN for us */
1588 	if (!dig->afmt->enabled)
1589 		return;
1590 
1591 	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1592 	if (encoder->crtc) {
1593 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1594 		bpc = amdgpu_crtc->bpc;
1595 	}
1596 
1597 	/* disable audio prior to setting up hw */
1598 	dig->afmt->pin = dce_v10_0_audio_get_pin(adev);
1599 	dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1600 
1601 	dce_v10_0_audio_set_dto(encoder, mode->clock);
1602 
1603 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1604 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1605 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1606 
1607 	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1608 
1609 	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1610 	switch (bpc) {
1611 	case 0:
1612 	case 6:
1613 	case 8:
1614 	case 16:
1615 	default:
1616 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1617 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1618 		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1619 			  connector->name, bpc);
1620 		break;
1621 	case 10:
1622 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1623 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1624 		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1625 			  connector->name);
1626 		break;
1627 	case 12:
1628 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1629 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1630 		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1631 			  connector->name);
1632 		break;
1633 	}
1634 	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1635 
1636 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1637 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1638 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1639 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1640 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1641 
1642 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1643 	/* enable audio info frames (frames won't be set until audio is enabled) */
1644 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1645 	/* required for audio info values to be updated */
1646 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1647 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1648 
1649 	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1650 	/* required for audio info values to be updated */
1651 	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1652 	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1653 
1654 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1655 	/* anything other than 0 */
1656 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1657 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1658 
1659 	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1660 
1661 	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1662 	/* set the default audio delay */
1663 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1664 	/* should be suffient for all audio modes and small enough for all hblanks */
1665 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1666 	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1667 
1668 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1669 	/* allow 60958 channel status fields to be updated */
1670 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1671 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1672 
1673 	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1674 	if (bpc > 8)
1675 		/* clear SW CTS value */
1676 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1677 	else
1678 		/* select SW CTS value */
1679 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1680 	/* allow hw to sent ACR packets when required */
1681 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1682 	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1683 
1684 	dce_v10_0_afmt_update_ACR(encoder, mode->clock);
1685 
1686 	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1687 	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1688 	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1689 
1690 	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1691 	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1692 	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1693 
1694 	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1695 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1696 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1697 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1698 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1699 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1700 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1701 	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1702 
1703 	dce_v10_0_audio_write_speaker_allocation(encoder);
1704 
1705 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1706 	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1707 
1708 	dce_v10_0_afmt_audio_select_pin(encoder);
1709 	dce_v10_0_audio_write_sad_regs(encoder);
1710 	dce_v10_0_audio_write_latency_fields(encoder, mode);
1711 
1712 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1713 	if (err < 0) {
1714 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1715 		return;
1716 	}
1717 
1718 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1719 	if (err < 0) {
1720 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1721 		return;
1722 	}
1723 
1724 	dce_v10_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1725 
1726 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1727 	/* enable AVI info frames */
1728 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1729 	/* required for audio info values to be updated */
1730 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1731 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1732 
1733 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1734 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1735 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1736 
1737 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1738 	/* send audio packets */
1739 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1740 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1741 
1742 	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1743 	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1744 	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1745 	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1746 
1747 	/* enable audio after to setting up hw */
1748 	dce_v10_0_audio_enable(adev, dig->afmt->pin, true);
1749 }
1750 
1751 static void dce_v10_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1752 {
1753 	struct drm_device *dev = encoder->dev;
1754 	struct amdgpu_device *adev = drm_to_adev(dev);
1755 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1756 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1757 
1758 	if (!dig || !dig->afmt)
1759 		return;
1760 
1761 	/* Silent, r600_hdmi_enable will raise WARN for us */
1762 	if (enable && dig->afmt->enabled)
1763 		return;
1764 	if (!enable && !dig->afmt->enabled)
1765 		return;
1766 
1767 	if (!enable && dig->afmt->pin) {
1768 		dce_v10_0_audio_enable(adev, dig->afmt->pin, false);
1769 		dig->afmt->pin = NULL;
1770 	}
1771 
1772 	dig->afmt->enabled = enable;
1773 
1774 	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1775 		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1776 }
1777 
1778 static int dce_v10_0_afmt_init(struct amdgpu_device *adev)
1779 {
1780 	int i;
1781 
1782 	for (i = 0; i < adev->mode_info.num_dig; i++)
1783 		adev->mode_info.afmt[i] = NULL;
1784 
1785 	/* DCE10 has audio blocks tied to DIG encoders */
1786 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1787 		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1788 		if (adev->mode_info.afmt[i]) {
1789 			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1790 			adev->mode_info.afmt[i]->id = i;
1791 		} else {
1792 			int j;
1793 			for (j = 0; j < i; j++) {
1794 				kfree(adev->mode_info.afmt[j]);
1795 				adev->mode_info.afmt[j] = NULL;
1796 			}
1797 			return -ENOMEM;
1798 		}
1799 	}
1800 	return 0;
1801 }
1802 
1803 static void dce_v10_0_afmt_fini(struct amdgpu_device *adev)
1804 {
1805 	int i;
1806 
1807 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1808 		kfree(adev->mode_info.afmt[i]);
1809 		adev->mode_info.afmt[i] = NULL;
1810 	}
1811 }
1812 
1813 static const u32 vga_control_regs[6] =
1814 {
1815 	mmD1VGA_CONTROL,
1816 	mmD2VGA_CONTROL,
1817 	mmD3VGA_CONTROL,
1818 	mmD4VGA_CONTROL,
1819 	mmD5VGA_CONTROL,
1820 	mmD6VGA_CONTROL,
1821 };
1822 
1823 static void dce_v10_0_vga_enable(struct drm_crtc *crtc, bool enable)
1824 {
1825 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1826 	struct drm_device *dev = crtc->dev;
1827 	struct amdgpu_device *adev = drm_to_adev(dev);
1828 	u32 vga_control;
1829 
1830 	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1831 	if (enable)
1832 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1833 	else
1834 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1835 }
1836 
1837 static void dce_v10_0_grph_enable(struct drm_crtc *crtc, bool enable)
1838 {
1839 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1840 	struct drm_device *dev = crtc->dev;
1841 	struct amdgpu_device *adev = drm_to_adev(dev);
1842 
1843 	if (enable)
1844 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1845 	else
1846 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1847 }
1848 
1849 static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc,
1850 				     struct drm_framebuffer *fb,
1851 				     int x, int y, int atomic)
1852 {
1853 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1854 	struct drm_device *dev = crtc->dev;
1855 	struct amdgpu_device *adev = drm_to_adev(dev);
1856 	struct drm_framebuffer *target_fb;
1857 	struct drm_gem_object *obj;
1858 	struct amdgpu_bo *abo;
1859 	uint64_t fb_location, tiling_flags;
1860 	uint32_t fb_format, fb_pitch_pixels;
1861 	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1862 	u32 pipe_config;
1863 	u32 tmp, viewport_w, viewport_h;
1864 	int r;
1865 	bool bypass_lut = false;
1866 
1867 	/* no fb bound */
1868 	if (!atomic && !crtc->primary->fb) {
1869 		DRM_DEBUG_KMS("No FB bound\n");
1870 		return 0;
1871 	}
1872 
1873 	if (atomic)
1874 		target_fb = fb;
1875 	else
1876 		target_fb = crtc->primary->fb;
1877 
1878 	/* If atomic, assume fb object is pinned & idle & fenced and
1879 	 * just update base pointers
1880 	 */
1881 	obj = target_fb->obj[0];
1882 	abo = gem_to_amdgpu_bo(obj);
1883 	r = amdgpu_bo_reserve(abo, false);
1884 	if (unlikely(r != 0))
1885 		return r;
1886 
1887 	if (!atomic) {
1888 		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1889 		if (unlikely(r != 0)) {
1890 			amdgpu_bo_unreserve(abo);
1891 			return -EINVAL;
1892 		}
1893 	}
1894 	fb_location = amdgpu_bo_gpu_offset(abo);
1895 
1896 	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1897 	amdgpu_bo_unreserve(abo);
1898 
1899 	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1900 
1901 	switch (target_fb->format->format) {
1902 	case DRM_FORMAT_C8:
1903 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1904 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1905 		break;
1906 	case DRM_FORMAT_XRGB4444:
1907 	case DRM_FORMAT_ARGB4444:
1908 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1909 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1910 #ifdef __BIG_ENDIAN
1911 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1912 					ENDIAN_8IN16);
1913 #endif
1914 		break;
1915 	case DRM_FORMAT_XRGB1555:
1916 	case DRM_FORMAT_ARGB1555:
1917 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1918 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1919 #ifdef __BIG_ENDIAN
1920 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1921 					ENDIAN_8IN16);
1922 #endif
1923 		break;
1924 	case DRM_FORMAT_BGRX5551:
1925 	case DRM_FORMAT_BGRA5551:
1926 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1927 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1928 #ifdef __BIG_ENDIAN
1929 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1930 					ENDIAN_8IN16);
1931 #endif
1932 		break;
1933 	case DRM_FORMAT_RGB565:
1934 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1935 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1936 #ifdef __BIG_ENDIAN
1937 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1938 					ENDIAN_8IN16);
1939 #endif
1940 		break;
1941 	case DRM_FORMAT_XRGB8888:
1942 	case DRM_FORMAT_ARGB8888:
1943 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1944 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1945 #ifdef __BIG_ENDIAN
1946 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1947 					ENDIAN_8IN32);
1948 #endif
1949 		break;
1950 	case DRM_FORMAT_XRGB2101010:
1951 	case DRM_FORMAT_ARGB2101010:
1952 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1953 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1954 #ifdef __BIG_ENDIAN
1955 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1956 					ENDIAN_8IN32);
1957 #endif
1958 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1959 		bypass_lut = true;
1960 		break;
1961 	case DRM_FORMAT_BGRX1010102:
1962 	case DRM_FORMAT_BGRA1010102:
1963 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1964 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1965 #ifdef __BIG_ENDIAN
1966 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1967 					ENDIAN_8IN32);
1968 #endif
1969 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1970 		bypass_lut = true;
1971 		break;
1972 	case DRM_FORMAT_XBGR8888:
1973 	case DRM_FORMAT_ABGR8888:
1974 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1975 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1976 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
1977 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
1978 #ifdef __BIG_ENDIAN
1979 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1980 					ENDIAN_8IN32);
1981 #endif
1982 		break;
1983 	default:
1984 		DRM_ERROR("Unsupported screen format %p4cc\n",
1985 			  &target_fb->format->format);
1986 		return -EINVAL;
1987 	}
1988 
1989 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1990 		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1991 
1992 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1993 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1994 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1995 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1996 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1997 
1998 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
1999 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2000 					  ARRAY_2D_TILED_THIN1);
2001 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2002 					  tile_split);
2003 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2004 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2005 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2006 					  mtaspect);
2007 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2008 					  ADDR_SURF_MICRO_TILING_DISPLAY);
2009 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2010 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2011 					  ARRAY_1D_TILED_THIN1);
2012 	}
2013 
2014 	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2015 				  pipe_config);
2016 
2017 	dce_v10_0_vga_enable(crtc, false);
2018 
2019 	/* Make sure surface address is updated at vertical blank rather than
2020 	 * horizontal blank
2021 	 */
2022 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2023 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2024 			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2025 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2026 
2027 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2028 	       upper_32_bits(fb_location));
2029 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2030 	       upper_32_bits(fb_location));
2031 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2032 	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2033 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2034 	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2035 	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2036 	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2037 
2038 	/*
2039 	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2040 	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2041 	 * retain the full precision throughout the pipeline.
2042 	 */
2043 	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2044 	if (bypass_lut)
2045 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2046 	else
2047 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2048 	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2049 
2050 	if (bypass_lut)
2051 		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2052 
2053 	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2054 	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2055 	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2056 	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2057 	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2058 	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2059 
2060 	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2061 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2062 
2063 	dce_v10_0_grph_enable(crtc, true);
2064 
2065 	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2066 	       target_fb->height);
2067 
2068 	x &= ~3;
2069 	y &= ~1;
2070 	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2071 	       (x << 16) | y);
2072 	viewport_w = crtc->mode.hdisplay;
2073 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2074 	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2075 	       (viewport_w << 16) | viewport_h);
2076 
2077 	/* set pageflip to happen anywhere in vblank interval */
2078 	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2079 
2080 	if (!atomic && fb && fb != crtc->primary->fb) {
2081 		abo = gem_to_amdgpu_bo(fb->obj[0]);
2082 		r = amdgpu_bo_reserve(abo, true);
2083 		if (unlikely(r != 0))
2084 			return r;
2085 		amdgpu_bo_unpin(abo);
2086 		amdgpu_bo_unreserve(abo);
2087 	}
2088 
2089 	/* Bytes per pixel may have changed */
2090 	dce_v10_0_bandwidth_update(adev);
2091 
2092 	return 0;
2093 }
2094 
2095 static void dce_v10_0_set_interleave(struct drm_crtc *crtc,
2096 				     struct drm_display_mode *mode)
2097 {
2098 	struct drm_device *dev = crtc->dev;
2099 	struct amdgpu_device *adev = drm_to_adev(dev);
2100 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2101 	u32 tmp;
2102 
2103 	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2104 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2105 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2106 	else
2107 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2108 	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2109 }
2110 
2111 static void dce_v10_0_crtc_load_lut(struct drm_crtc *crtc)
2112 {
2113 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2114 	struct drm_device *dev = crtc->dev;
2115 	struct amdgpu_device *adev = drm_to_adev(dev);
2116 	u16 *r, *g, *b;
2117 	int i;
2118 	u32 tmp;
2119 
2120 	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2121 
2122 	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2123 	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2124 	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_OVL_MODE, 0);
2125 	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2126 
2127 	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2128 	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2129 	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2130 
2131 	tmp = RREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset);
2132 	tmp = REG_SET_FIELD(tmp, PRESCALE_OVL_CONTROL, OVL_PRESCALE_BYPASS, 1);
2133 	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2134 
2135 	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2136 	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2137 	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, OVL_INPUT_GAMMA_MODE, 0);
2138 	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2139 
2140 	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2141 
2142 	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2143 	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2144 	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2145 
2146 	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2147 	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2148 	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2149 
2150 	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2151 	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2152 
2153 	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2154 	r = crtc->gamma_store;
2155 	g = r + crtc->gamma_size;
2156 	b = g + crtc->gamma_size;
2157 	for (i = 0; i < 256; i++) {
2158 		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2159 		       ((*r++ & 0xffc0) << 14) |
2160 		       ((*g++ & 0xffc0) << 4) |
2161 		       (*b++ >> 6));
2162 	}
2163 
2164 	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2165 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2166 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, OVL_DEGAMMA_MODE, 0);
2167 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2168 	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2169 
2170 	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2171 	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2172 	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, OVL_GAMUT_REMAP_MODE, 0);
2173 	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2174 
2175 	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2176 	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2177 	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, OVL_REGAMMA_MODE, 0);
2178 	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2179 
2180 	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2181 	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2182 	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_OVL_MODE, 0);
2183 	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2184 
2185 	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2186 	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2187 	/* XXX this only needs to be programmed once per crtc at startup,
2188 	 * not sure where the best place for it is
2189 	 */
2190 	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2191 	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2192 	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2193 }
2194 
2195 static int dce_v10_0_pick_dig_encoder(struct drm_encoder *encoder)
2196 {
2197 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2198 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2199 
2200 	switch (amdgpu_encoder->encoder_id) {
2201 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2202 		if (dig->linkb)
2203 			return 1;
2204 		else
2205 			return 0;
2206 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2207 		if (dig->linkb)
2208 			return 3;
2209 		else
2210 			return 2;
2211 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2212 		if (dig->linkb)
2213 			return 5;
2214 		else
2215 			return 4;
2216 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2217 		return 6;
2218 	default:
2219 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2220 		return 0;
2221 	}
2222 }
2223 
2224 /**
2225  * dce_v10_0_pick_pll - Allocate a PPLL for use by the crtc.
2226  *
2227  * @crtc: drm crtc
2228  *
2229  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2230  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2231  * monitors a dedicated PPLL must be used.  If a particular board has
2232  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2233  * as there is no need to program the PLL itself.  If we are not able to
2234  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2235  * avoid messing up an existing monitor.
2236  *
2237  * Asic specific PLL information
2238  *
2239  * DCE 10.x
2240  * Tonga
2241  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2242  * CI
2243  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2244  *
2245  */
2246 static u32 dce_v10_0_pick_pll(struct drm_crtc *crtc)
2247 {
2248 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2249 	struct drm_device *dev = crtc->dev;
2250 	struct amdgpu_device *adev = drm_to_adev(dev);
2251 	u32 pll_in_use;
2252 	int pll;
2253 
2254 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2255 		if (adev->clock.dp_extclk)
2256 			/* skip PPLL programming if using ext clock */
2257 			return ATOM_PPLL_INVALID;
2258 		else {
2259 			/* use the same PPLL for all DP monitors */
2260 			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2261 			if (pll != ATOM_PPLL_INVALID)
2262 				return pll;
2263 		}
2264 	} else {
2265 		/* use the same PPLL for all monitors with the same clock */
2266 		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2267 		if (pll != ATOM_PPLL_INVALID)
2268 			return pll;
2269 	}
2270 
2271 	/* DCE10 has PPLL0, PPLL1, and PPLL2 */
2272 	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2273 	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2274 		return ATOM_PPLL2;
2275 	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2276 		return ATOM_PPLL1;
2277 	if (!(pll_in_use & (1 << ATOM_PPLL0)))
2278 		return ATOM_PPLL0;
2279 	DRM_ERROR("unable to allocate a PPLL\n");
2280 	return ATOM_PPLL_INVALID;
2281 }
2282 
2283 static void dce_v10_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2284 {
2285 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2286 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2287 	uint32_t cur_lock;
2288 
2289 	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2290 	if (lock)
2291 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2292 	else
2293 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2294 	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2295 }
2296 
2297 static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
2298 {
2299 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2300 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2301 	u32 tmp;
2302 
2303 	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2304 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2305 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2306 }
2307 
2308 static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
2309 {
2310 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2311 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2312 	u32 tmp;
2313 
2314 	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2315 	       upper_32_bits(amdgpu_crtc->cursor_addr));
2316 	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2317 	       lower_32_bits(amdgpu_crtc->cursor_addr));
2318 
2319 	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2320 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2321 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2322 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2323 }
2324 
2325 static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
2326 					int x, int y)
2327 {
2328 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2329 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2330 	int xorigin = 0, yorigin = 0;
2331 
2332 	amdgpu_crtc->cursor_x = x;
2333 	amdgpu_crtc->cursor_y = y;
2334 
2335 	/* avivo cursor are offset into the total surface */
2336 	x += crtc->x;
2337 	y += crtc->y;
2338 	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2339 
2340 	if (x < 0) {
2341 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2342 		x = 0;
2343 	}
2344 	if (y < 0) {
2345 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2346 		y = 0;
2347 	}
2348 
2349 	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2350 	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2351 	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2352 	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2353 
2354 	return 0;
2355 }
2356 
2357 static int dce_v10_0_crtc_cursor_move(struct drm_crtc *crtc,
2358 				      int x, int y)
2359 {
2360 	int ret;
2361 
2362 	dce_v10_0_lock_cursor(crtc, true);
2363 	ret = dce_v10_0_cursor_move_locked(crtc, x, y);
2364 	dce_v10_0_lock_cursor(crtc, false);
2365 
2366 	return ret;
2367 }
2368 
2369 static int dce_v10_0_crtc_cursor_set2(struct drm_crtc *crtc,
2370 				      struct drm_file *file_priv,
2371 				      uint32_t handle,
2372 				      uint32_t width,
2373 				      uint32_t height,
2374 				      int32_t hot_x,
2375 				      int32_t hot_y)
2376 {
2377 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2378 	struct drm_gem_object *obj;
2379 	struct amdgpu_bo *aobj;
2380 	int ret;
2381 
2382 	if (!handle) {
2383 		/* turn off cursor */
2384 		dce_v10_0_hide_cursor(crtc);
2385 		obj = NULL;
2386 		goto unpin;
2387 	}
2388 
2389 	if ((width > amdgpu_crtc->max_cursor_width) ||
2390 	    (height > amdgpu_crtc->max_cursor_height)) {
2391 		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2392 		return -EINVAL;
2393 	}
2394 
2395 	obj = drm_gem_object_lookup(file_priv, handle);
2396 	if (!obj) {
2397 		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2398 		return -ENOENT;
2399 	}
2400 
2401 	aobj = gem_to_amdgpu_bo(obj);
2402 	ret = amdgpu_bo_reserve(aobj, false);
2403 	if (ret != 0) {
2404 		drm_gem_object_put(obj);
2405 		return ret;
2406 	}
2407 
2408 	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2409 	amdgpu_bo_unreserve(aobj);
2410 	if (ret) {
2411 		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2412 		drm_gem_object_put(obj);
2413 		return ret;
2414 	}
2415 	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2416 
2417 	dce_v10_0_lock_cursor(crtc, true);
2418 
2419 	if (width != amdgpu_crtc->cursor_width ||
2420 	    height != amdgpu_crtc->cursor_height ||
2421 	    hot_x != amdgpu_crtc->cursor_hot_x ||
2422 	    hot_y != amdgpu_crtc->cursor_hot_y) {
2423 		int x, y;
2424 
2425 		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2426 		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2427 
2428 		dce_v10_0_cursor_move_locked(crtc, x, y);
2429 
2430 		amdgpu_crtc->cursor_width = width;
2431 		amdgpu_crtc->cursor_height = height;
2432 		amdgpu_crtc->cursor_hot_x = hot_x;
2433 		amdgpu_crtc->cursor_hot_y = hot_y;
2434 	}
2435 
2436 	dce_v10_0_show_cursor(crtc);
2437 	dce_v10_0_lock_cursor(crtc, false);
2438 
2439 unpin:
2440 	if (amdgpu_crtc->cursor_bo) {
2441 		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2442 		ret = amdgpu_bo_reserve(aobj, true);
2443 		if (likely(ret == 0)) {
2444 			amdgpu_bo_unpin(aobj);
2445 			amdgpu_bo_unreserve(aobj);
2446 		}
2447 		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2448 	}
2449 
2450 	amdgpu_crtc->cursor_bo = obj;
2451 	return 0;
2452 }
2453 
2454 static void dce_v10_0_cursor_reset(struct drm_crtc *crtc)
2455 {
2456 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2457 
2458 	if (amdgpu_crtc->cursor_bo) {
2459 		dce_v10_0_lock_cursor(crtc, true);
2460 
2461 		dce_v10_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2462 					     amdgpu_crtc->cursor_y);
2463 
2464 		dce_v10_0_show_cursor(crtc);
2465 
2466 		dce_v10_0_lock_cursor(crtc, false);
2467 	}
2468 }
2469 
2470 static int dce_v10_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2471 				    u16 *blue, uint32_t size,
2472 				    struct drm_modeset_acquire_ctx *ctx)
2473 {
2474 	dce_v10_0_crtc_load_lut(crtc);
2475 
2476 	return 0;
2477 }
2478 
2479 static void dce_v10_0_crtc_destroy(struct drm_crtc *crtc)
2480 {
2481 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2482 
2483 	drm_crtc_cleanup(crtc);
2484 	kfree(amdgpu_crtc);
2485 }
2486 
2487 static const struct drm_crtc_funcs dce_v10_0_crtc_funcs = {
2488 	.cursor_set2 = dce_v10_0_crtc_cursor_set2,
2489 	.cursor_move = dce_v10_0_crtc_cursor_move,
2490 	.gamma_set = dce_v10_0_crtc_gamma_set,
2491 	.set_config = amdgpu_display_crtc_set_config,
2492 	.destroy = dce_v10_0_crtc_destroy,
2493 	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2494 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2495 	.enable_vblank = amdgpu_enable_vblank_kms,
2496 	.disable_vblank = amdgpu_disable_vblank_kms,
2497 	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2498 };
2499 
2500 static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2501 {
2502 	struct drm_device *dev = crtc->dev;
2503 	struct amdgpu_device *adev = drm_to_adev(dev);
2504 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2505 	unsigned type;
2506 
2507 	switch (mode) {
2508 	case DRM_MODE_DPMS_ON:
2509 		amdgpu_crtc->enabled = true;
2510 		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2511 		dce_v10_0_vga_enable(crtc, true);
2512 		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2513 		dce_v10_0_vga_enable(crtc, false);
2514 		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2515 		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2516 						amdgpu_crtc->crtc_id);
2517 		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2518 		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2519 		drm_crtc_vblank_on(crtc);
2520 		dce_v10_0_crtc_load_lut(crtc);
2521 		break;
2522 	case DRM_MODE_DPMS_STANDBY:
2523 	case DRM_MODE_DPMS_SUSPEND:
2524 	case DRM_MODE_DPMS_OFF:
2525 		drm_crtc_vblank_off(crtc);
2526 		if (amdgpu_crtc->enabled) {
2527 			dce_v10_0_vga_enable(crtc, true);
2528 			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2529 			dce_v10_0_vga_enable(crtc, false);
2530 		}
2531 		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2532 		amdgpu_crtc->enabled = false;
2533 		break;
2534 	}
2535 	/* adjust pm to dpms */
2536 	amdgpu_dpm_compute_clocks(adev);
2537 }
2538 
2539 static void dce_v10_0_crtc_prepare(struct drm_crtc *crtc)
2540 {
2541 	/* disable crtc pair power gating before programming */
2542 	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2543 	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2544 	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2545 }
2546 
2547 static void dce_v10_0_crtc_commit(struct drm_crtc *crtc)
2548 {
2549 	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2550 	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2551 }
2552 
2553 static void dce_v10_0_crtc_disable(struct drm_crtc *crtc)
2554 {
2555 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2556 	struct drm_device *dev = crtc->dev;
2557 	struct amdgpu_device *adev = drm_to_adev(dev);
2558 	struct amdgpu_atom_ss ss;
2559 	int i;
2560 
2561 	dce_v10_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2562 	if (crtc->primary->fb) {
2563 		int r;
2564 		struct amdgpu_bo *abo;
2565 
2566 		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2567 		r = amdgpu_bo_reserve(abo, true);
2568 		if (unlikely(r))
2569 			DRM_ERROR("failed to reserve abo before unpin\n");
2570 		else {
2571 			amdgpu_bo_unpin(abo);
2572 			amdgpu_bo_unreserve(abo);
2573 		}
2574 	}
2575 	/* disable the GRPH */
2576 	dce_v10_0_grph_enable(crtc, false);
2577 
2578 	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2579 
2580 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2581 		if (adev->mode_info.crtcs[i] &&
2582 		    adev->mode_info.crtcs[i]->enabled &&
2583 		    i != amdgpu_crtc->crtc_id &&
2584 		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2585 			/* one other crtc is using this pll don't turn
2586 			 * off the pll
2587 			 */
2588 			goto done;
2589 		}
2590 	}
2591 
2592 	switch (amdgpu_crtc->pll_id) {
2593 	case ATOM_PPLL0:
2594 	case ATOM_PPLL1:
2595 	case ATOM_PPLL2:
2596 		/* disable the ppll */
2597 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2598 					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2599 		break;
2600 	default:
2601 		break;
2602 	}
2603 done:
2604 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2605 	amdgpu_crtc->adjusted_clock = 0;
2606 	amdgpu_crtc->encoder = NULL;
2607 	amdgpu_crtc->connector = NULL;
2608 }
2609 
2610 static int dce_v10_0_crtc_mode_set(struct drm_crtc *crtc,
2611 				  struct drm_display_mode *mode,
2612 				  struct drm_display_mode *adjusted_mode,
2613 				  int x, int y, struct drm_framebuffer *old_fb)
2614 {
2615 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2616 
2617 	if (!amdgpu_crtc->adjusted_clock)
2618 		return -EINVAL;
2619 
2620 	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2621 	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2622 	dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2623 	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2624 	amdgpu_atombios_crtc_scaler_setup(crtc);
2625 	dce_v10_0_cursor_reset(crtc);
2626 	/* update the hw version fpr dpm */
2627 	amdgpu_crtc->hw_mode = *adjusted_mode;
2628 
2629 	return 0;
2630 }
2631 
2632 static bool dce_v10_0_crtc_mode_fixup(struct drm_crtc *crtc,
2633 				     const struct drm_display_mode *mode,
2634 				     struct drm_display_mode *adjusted_mode)
2635 {
2636 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2637 	struct drm_device *dev = crtc->dev;
2638 	struct drm_encoder *encoder;
2639 
2640 	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2641 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2642 		if (encoder->crtc == crtc) {
2643 			amdgpu_crtc->encoder = encoder;
2644 			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2645 			break;
2646 		}
2647 	}
2648 	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2649 		amdgpu_crtc->encoder = NULL;
2650 		amdgpu_crtc->connector = NULL;
2651 		return false;
2652 	}
2653 	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2654 		return false;
2655 	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2656 		return false;
2657 	/* pick pll */
2658 	amdgpu_crtc->pll_id = dce_v10_0_pick_pll(crtc);
2659 	/* if we can't get a PPLL for a non-DP encoder, fail */
2660 	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2661 	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2662 		return false;
2663 
2664 	return true;
2665 }
2666 
2667 static int dce_v10_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2668 				  struct drm_framebuffer *old_fb)
2669 {
2670 	return dce_v10_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2671 }
2672 
2673 static int dce_v10_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2674 					 struct drm_framebuffer *fb,
2675 					 int x, int y, enum mode_set_atomic state)
2676 {
2677 	return dce_v10_0_crtc_do_set_base(crtc, fb, x, y, 1);
2678 }
2679 
2680 static const struct drm_crtc_helper_funcs dce_v10_0_crtc_helper_funcs = {
2681 	.dpms = dce_v10_0_crtc_dpms,
2682 	.mode_fixup = dce_v10_0_crtc_mode_fixup,
2683 	.mode_set = dce_v10_0_crtc_mode_set,
2684 	.mode_set_base = dce_v10_0_crtc_set_base,
2685 	.mode_set_base_atomic = dce_v10_0_crtc_set_base_atomic,
2686 	.prepare = dce_v10_0_crtc_prepare,
2687 	.commit = dce_v10_0_crtc_commit,
2688 	.disable = dce_v10_0_crtc_disable,
2689 	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2690 };
2691 
2692 static int dce_v10_0_crtc_init(struct amdgpu_device *adev, int index)
2693 {
2694 	struct amdgpu_crtc *amdgpu_crtc;
2695 
2696 	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2697 			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2698 	if (amdgpu_crtc == NULL)
2699 		return -ENOMEM;
2700 
2701 	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v10_0_crtc_funcs);
2702 
2703 	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2704 	amdgpu_crtc->crtc_id = index;
2705 	adev->mode_info.crtcs[index] = amdgpu_crtc;
2706 
2707 	amdgpu_crtc->max_cursor_width = 128;
2708 	amdgpu_crtc->max_cursor_height = 128;
2709 	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2710 	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2711 
2712 	switch (amdgpu_crtc->crtc_id) {
2713 	case 0:
2714 	default:
2715 		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2716 		break;
2717 	case 1:
2718 		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2719 		break;
2720 	case 2:
2721 		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2722 		break;
2723 	case 3:
2724 		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2725 		break;
2726 	case 4:
2727 		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2728 		break;
2729 	case 5:
2730 		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2731 		break;
2732 	}
2733 
2734 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2735 	amdgpu_crtc->adjusted_clock = 0;
2736 	amdgpu_crtc->encoder = NULL;
2737 	amdgpu_crtc->connector = NULL;
2738 	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v10_0_crtc_helper_funcs);
2739 
2740 	return 0;
2741 }
2742 
2743 static int dce_v10_0_early_init(void *handle)
2744 {
2745 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2746 
2747 	adev->audio_endpt_rreg = &dce_v10_0_audio_endpt_rreg;
2748 	adev->audio_endpt_wreg = &dce_v10_0_audio_endpt_wreg;
2749 
2750 	dce_v10_0_set_display_funcs(adev);
2751 
2752 	adev->mode_info.num_crtc = dce_v10_0_get_num_crtc(adev);
2753 
2754 	switch (adev->asic_type) {
2755 	case CHIP_FIJI:
2756 	case CHIP_TONGA:
2757 		adev->mode_info.num_hpd = 6;
2758 		adev->mode_info.num_dig = 7;
2759 		break;
2760 	default:
2761 		/* FIXME: not supported yet */
2762 		return -EINVAL;
2763 	}
2764 
2765 	dce_v10_0_set_irq_funcs(adev);
2766 
2767 	return 0;
2768 }
2769 
2770 static int dce_v10_0_sw_init(void *handle)
2771 {
2772 	int r, i;
2773 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2774 
2775 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2776 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2777 		if (r)
2778 			return r;
2779 	}
2780 
2781 	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2782 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2783 		if (r)
2784 			return r;
2785 	}
2786 
2787 	/* HPD hotplug */
2788 	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2789 	if (r)
2790 		return r;
2791 
2792 	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2793 
2794 	adev_to_drm(adev)->mode_config.async_page_flip = true;
2795 
2796 	adev_to_drm(adev)->mode_config.max_width = 16384;
2797 	adev_to_drm(adev)->mode_config.max_height = 16384;
2798 
2799 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2800 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2801 
2802 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2803 
2804 	r = amdgpu_display_modeset_create_props(adev);
2805 	if (r)
2806 		return r;
2807 
2808 	adev_to_drm(adev)->mode_config.max_width = 16384;
2809 	adev_to_drm(adev)->mode_config.max_height = 16384;
2810 
2811 	/* allocate crtcs */
2812 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2813 		r = dce_v10_0_crtc_init(adev, i);
2814 		if (r)
2815 			return r;
2816 	}
2817 
2818 	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2819 		amdgpu_display_print_display_setup(adev_to_drm(adev));
2820 	else
2821 		return -EINVAL;
2822 
2823 	/* setup afmt */
2824 	r = dce_v10_0_afmt_init(adev);
2825 	if (r)
2826 		return r;
2827 
2828 	r = dce_v10_0_audio_init(adev);
2829 	if (r)
2830 		return r;
2831 
2832 	/* Disable vblank IRQs aggressively for power-saving */
2833 	/* XXX: can this be enabled for DC? */
2834 	adev_to_drm(adev)->vblank_disable_immediate = true;
2835 
2836 	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2837 	if (r)
2838 		return r;
2839 
2840 	INIT_WORK(&adev->hotplug_work,
2841 		  amdgpu_display_hotplug_work_func);
2842 
2843 	drm_kms_helper_poll_init(adev_to_drm(adev));
2844 
2845 	adev->mode_info.mode_config_initialized = true;
2846 	return 0;
2847 }
2848 
2849 static int dce_v10_0_sw_fini(void *handle)
2850 {
2851 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2852 
2853 	kfree(adev->mode_info.bios_hardcoded_edid);
2854 
2855 	drm_kms_helper_poll_fini(adev_to_drm(adev));
2856 
2857 	dce_v10_0_audio_fini(adev);
2858 
2859 	dce_v10_0_afmt_fini(adev);
2860 
2861 	drm_mode_config_cleanup(adev_to_drm(adev));
2862 	adev->mode_info.mode_config_initialized = false;
2863 
2864 	return 0;
2865 }
2866 
2867 static int dce_v10_0_hw_init(void *handle)
2868 {
2869 	int i;
2870 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2871 
2872 	dce_v10_0_init_golden_registers(adev);
2873 
2874 	/* disable vga render */
2875 	dce_v10_0_set_vga_render_state(adev, false);
2876 	/* init dig PHYs, disp eng pll */
2877 	amdgpu_atombios_encoder_init_dig(adev);
2878 	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2879 
2880 	/* initialize hpd */
2881 	dce_v10_0_hpd_init(adev);
2882 
2883 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2884 		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2885 	}
2886 
2887 	dce_v10_0_pageflip_interrupt_init(adev);
2888 
2889 	return 0;
2890 }
2891 
2892 static int dce_v10_0_hw_fini(void *handle)
2893 {
2894 	int i;
2895 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2896 
2897 	dce_v10_0_hpd_fini(adev);
2898 
2899 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2900 		dce_v10_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2901 	}
2902 
2903 	dce_v10_0_pageflip_interrupt_fini(adev);
2904 
2905 	flush_work(&adev->hotplug_work);
2906 
2907 	return 0;
2908 }
2909 
2910 static int dce_v10_0_suspend(void *handle)
2911 {
2912 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2913 	int r;
2914 
2915 	r = amdgpu_display_suspend_helper(adev);
2916 	if (r)
2917 		return r;
2918 
2919 	adev->mode_info.bl_level =
2920 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2921 
2922 	return dce_v10_0_hw_fini(handle);
2923 }
2924 
2925 static int dce_v10_0_resume(void *handle)
2926 {
2927 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2928 	int ret;
2929 
2930 	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2931 							   adev->mode_info.bl_level);
2932 
2933 	ret = dce_v10_0_hw_init(handle);
2934 
2935 	/* turn on the BL */
2936 	if (adev->mode_info.bl_encoder) {
2937 		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2938 								  adev->mode_info.bl_encoder);
2939 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2940 						    bl_level);
2941 	}
2942 	if (ret)
2943 		return ret;
2944 
2945 	return amdgpu_display_resume_helper(adev);
2946 }
2947 
2948 static bool dce_v10_0_is_idle(void *handle)
2949 {
2950 	return true;
2951 }
2952 
2953 static int dce_v10_0_wait_for_idle(void *handle)
2954 {
2955 	return 0;
2956 }
2957 
2958 static bool dce_v10_0_check_soft_reset(void *handle)
2959 {
2960 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2961 
2962 	return dce_v10_0_is_display_hung(adev);
2963 }
2964 
2965 static int dce_v10_0_soft_reset(void *handle)
2966 {
2967 	u32 srbm_soft_reset = 0, tmp;
2968 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2969 
2970 	if (dce_v10_0_is_display_hung(adev))
2971 		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2972 
2973 	if (srbm_soft_reset) {
2974 		tmp = RREG32(mmSRBM_SOFT_RESET);
2975 		tmp |= srbm_soft_reset;
2976 		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2977 		WREG32(mmSRBM_SOFT_RESET, tmp);
2978 		tmp = RREG32(mmSRBM_SOFT_RESET);
2979 
2980 		udelay(50);
2981 
2982 		tmp &= ~srbm_soft_reset;
2983 		WREG32(mmSRBM_SOFT_RESET, tmp);
2984 		tmp = RREG32(mmSRBM_SOFT_RESET);
2985 
2986 		/* Wait a little for things to settle down */
2987 		udelay(50);
2988 	}
2989 	return 0;
2990 }
2991 
2992 static void dce_v10_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2993 						     int crtc,
2994 						     enum amdgpu_interrupt_state state)
2995 {
2996 	u32 lb_interrupt_mask;
2997 
2998 	if (crtc >= adev->mode_info.num_crtc) {
2999 		DRM_DEBUG("invalid crtc %d\n", crtc);
3000 		return;
3001 	}
3002 
3003 	switch (state) {
3004 	case AMDGPU_IRQ_STATE_DISABLE:
3005 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3006 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3007 						  VBLANK_INTERRUPT_MASK, 0);
3008 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3009 		break;
3010 	case AMDGPU_IRQ_STATE_ENABLE:
3011 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3012 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3013 						  VBLANK_INTERRUPT_MASK, 1);
3014 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3015 		break;
3016 	default:
3017 		break;
3018 	}
3019 }
3020 
3021 static void dce_v10_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3022 						    int crtc,
3023 						    enum amdgpu_interrupt_state state)
3024 {
3025 	u32 lb_interrupt_mask;
3026 
3027 	if (crtc >= adev->mode_info.num_crtc) {
3028 		DRM_DEBUG("invalid crtc %d\n", crtc);
3029 		return;
3030 	}
3031 
3032 	switch (state) {
3033 	case AMDGPU_IRQ_STATE_DISABLE:
3034 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3035 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3036 						  VLINE_INTERRUPT_MASK, 0);
3037 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3038 		break;
3039 	case AMDGPU_IRQ_STATE_ENABLE:
3040 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3041 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3042 						  VLINE_INTERRUPT_MASK, 1);
3043 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3044 		break;
3045 	default:
3046 		break;
3047 	}
3048 }
3049 
3050 static int dce_v10_0_set_hpd_irq_state(struct amdgpu_device *adev,
3051 				       struct amdgpu_irq_src *source,
3052 				       unsigned hpd,
3053 				       enum amdgpu_interrupt_state state)
3054 {
3055 	u32 tmp;
3056 
3057 	if (hpd >= adev->mode_info.num_hpd) {
3058 		DRM_DEBUG("invalid hdp %d\n", hpd);
3059 		return 0;
3060 	}
3061 
3062 	switch (state) {
3063 	case AMDGPU_IRQ_STATE_DISABLE:
3064 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3065 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3066 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3067 		break;
3068 	case AMDGPU_IRQ_STATE_ENABLE:
3069 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3070 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3071 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3072 		break;
3073 	default:
3074 		break;
3075 	}
3076 
3077 	return 0;
3078 }
3079 
3080 static int dce_v10_0_set_crtc_irq_state(struct amdgpu_device *adev,
3081 					struct amdgpu_irq_src *source,
3082 					unsigned type,
3083 					enum amdgpu_interrupt_state state)
3084 {
3085 	switch (type) {
3086 	case AMDGPU_CRTC_IRQ_VBLANK1:
3087 		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3088 		break;
3089 	case AMDGPU_CRTC_IRQ_VBLANK2:
3090 		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3091 		break;
3092 	case AMDGPU_CRTC_IRQ_VBLANK3:
3093 		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3094 		break;
3095 	case AMDGPU_CRTC_IRQ_VBLANK4:
3096 		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3097 		break;
3098 	case AMDGPU_CRTC_IRQ_VBLANK5:
3099 		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3100 		break;
3101 	case AMDGPU_CRTC_IRQ_VBLANK6:
3102 		dce_v10_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3103 		break;
3104 	case AMDGPU_CRTC_IRQ_VLINE1:
3105 		dce_v10_0_set_crtc_vline_interrupt_state(adev, 0, state);
3106 		break;
3107 	case AMDGPU_CRTC_IRQ_VLINE2:
3108 		dce_v10_0_set_crtc_vline_interrupt_state(adev, 1, state);
3109 		break;
3110 	case AMDGPU_CRTC_IRQ_VLINE3:
3111 		dce_v10_0_set_crtc_vline_interrupt_state(adev, 2, state);
3112 		break;
3113 	case AMDGPU_CRTC_IRQ_VLINE4:
3114 		dce_v10_0_set_crtc_vline_interrupt_state(adev, 3, state);
3115 		break;
3116 	case AMDGPU_CRTC_IRQ_VLINE5:
3117 		dce_v10_0_set_crtc_vline_interrupt_state(adev, 4, state);
3118 		break;
3119 	case AMDGPU_CRTC_IRQ_VLINE6:
3120 		dce_v10_0_set_crtc_vline_interrupt_state(adev, 5, state);
3121 		break;
3122 	default:
3123 		break;
3124 	}
3125 	return 0;
3126 }
3127 
3128 static int dce_v10_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3129 					    struct amdgpu_irq_src *src,
3130 					    unsigned type,
3131 					    enum amdgpu_interrupt_state state)
3132 {
3133 	u32 reg;
3134 
3135 	if (type >= adev->mode_info.num_crtc) {
3136 		DRM_ERROR("invalid pageflip crtc %d\n", type);
3137 		return -EINVAL;
3138 	}
3139 
3140 	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3141 	if (state == AMDGPU_IRQ_STATE_DISABLE)
3142 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3143 		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3144 	else
3145 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3146 		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3147 
3148 	return 0;
3149 }
3150 
3151 static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev,
3152 				  struct amdgpu_irq_src *source,
3153 				  struct amdgpu_iv_entry *entry)
3154 {
3155 	unsigned long flags;
3156 	unsigned crtc_id;
3157 	struct amdgpu_crtc *amdgpu_crtc;
3158 	struct amdgpu_flip_work *works;
3159 
3160 	crtc_id = (entry->src_id - 8) >> 1;
3161 	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3162 
3163 	if (crtc_id >= adev->mode_info.num_crtc) {
3164 		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3165 		return -EINVAL;
3166 	}
3167 
3168 	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3169 	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3170 		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3171 		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3172 
3173 	/* IRQ could occur when in initial stage */
3174 	if (amdgpu_crtc == NULL)
3175 		return 0;
3176 
3177 	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3178 	works = amdgpu_crtc->pflip_works;
3179 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3180 		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3181 						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3182 						 amdgpu_crtc->pflip_status,
3183 						 AMDGPU_FLIP_SUBMITTED);
3184 		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3185 		return 0;
3186 	}
3187 
3188 	/* page flip completed. clean up */
3189 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3190 	amdgpu_crtc->pflip_works = NULL;
3191 
3192 	/* wakeup usersapce */
3193 	if (works->event)
3194 		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3195 
3196 	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3197 
3198 	drm_crtc_vblank_put(&amdgpu_crtc->base);
3199 	schedule_work(&works->unpin_work);
3200 
3201 	return 0;
3202 }
3203 
3204 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev,
3205 				  int hpd)
3206 {
3207 	u32 tmp;
3208 
3209 	if (hpd >= adev->mode_info.num_hpd) {
3210 		DRM_DEBUG("invalid hdp %d\n", hpd);
3211 		return;
3212 	}
3213 
3214 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3215 	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3216 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3217 }
3218 
3219 static void dce_v10_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3220 					  int crtc)
3221 {
3222 	u32 tmp;
3223 
3224 	if (crtc >= adev->mode_info.num_crtc) {
3225 		DRM_DEBUG("invalid crtc %d\n", crtc);
3226 		return;
3227 	}
3228 
3229 	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3230 	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3231 	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3232 }
3233 
3234 static void dce_v10_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3235 					 int crtc)
3236 {
3237 	u32 tmp;
3238 
3239 	if (crtc >= adev->mode_info.num_crtc) {
3240 		DRM_DEBUG("invalid crtc %d\n", crtc);
3241 		return;
3242 	}
3243 
3244 	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3245 	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3246 	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3247 }
3248 
3249 static int dce_v10_0_crtc_irq(struct amdgpu_device *adev,
3250 			      struct amdgpu_irq_src *source,
3251 			      struct amdgpu_iv_entry *entry)
3252 {
3253 	unsigned crtc = entry->src_id - 1;
3254 	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3255 	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev, crtc);
3256 
3257 	switch (entry->src_data[0]) {
3258 	case 0: /* vblank */
3259 		if (disp_int & interrupt_status_offsets[crtc].vblank)
3260 			dce_v10_0_crtc_vblank_int_ack(adev, crtc);
3261 		else
3262 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3263 
3264 		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3265 			drm_handle_vblank(adev_to_drm(adev), crtc);
3266 		}
3267 		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3268 
3269 		break;
3270 	case 1: /* vline */
3271 		if (disp_int & interrupt_status_offsets[crtc].vline)
3272 			dce_v10_0_crtc_vline_int_ack(adev, crtc);
3273 		else
3274 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3275 
3276 		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3277 
3278 		break;
3279 	default:
3280 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3281 		break;
3282 	}
3283 
3284 	return 0;
3285 }
3286 
3287 static int dce_v10_0_hpd_irq(struct amdgpu_device *adev,
3288 			     struct amdgpu_irq_src *source,
3289 			     struct amdgpu_iv_entry *entry)
3290 {
3291 	uint32_t disp_int, mask;
3292 	unsigned hpd;
3293 
3294 	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3295 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3296 		return 0;
3297 	}
3298 
3299 	hpd = entry->src_data[0];
3300 	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3301 	mask = interrupt_status_offsets[hpd].hpd;
3302 
3303 	if (disp_int & mask) {
3304 		dce_v10_0_hpd_int_ack(adev, hpd);
3305 		schedule_work(&adev->hotplug_work);
3306 		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3307 	}
3308 
3309 	return 0;
3310 }
3311 
3312 static int dce_v10_0_set_clockgating_state(void *handle,
3313 					  enum amd_clockgating_state state)
3314 {
3315 	return 0;
3316 }
3317 
3318 static int dce_v10_0_set_powergating_state(void *handle,
3319 					  enum amd_powergating_state state)
3320 {
3321 	return 0;
3322 }
3323 
3324 static const struct amd_ip_funcs dce_v10_0_ip_funcs = {
3325 	.name = "dce_v10_0",
3326 	.early_init = dce_v10_0_early_init,
3327 	.late_init = NULL,
3328 	.sw_init = dce_v10_0_sw_init,
3329 	.sw_fini = dce_v10_0_sw_fini,
3330 	.hw_init = dce_v10_0_hw_init,
3331 	.hw_fini = dce_v10_0_hw_fini,
3332 	.suspend = dce_v10_0_suspend,
3333 	.resume = dce_v10_0_resume,
3334 	.is_idle = dce_v10_0_is_idle,
3335 	.wait_for_idle = dce_v10_0_wait_for_idle,
3336 	.check_soft_reset = dce_v10_0_check_soft_reset,
3337 	.soft_reset = dce_v10_0_soft_reset,
3338 	.set_clockgating_state = dce_v10_0_set_clockgating_state,
3339 	.set_powergating_state = dce_v10_0_set_powergating_state,
3340 };
3341 
3342 static void
3343 dce_v10_0_encoder_mode_set(struct drm_encoder *encoder,
3344 			  struct drm_display_mode *mode,
3345 			  struct drm_display_mode *adjusted_mode)
3346 {
3347 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3348 
3349 	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3350 
3351 	/* need to call this here rather than in prepare() since we need some crtc info */
3352 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3353 
3354 	/* set scaler clears this on some chips */
3355 	dce_v10_0_set_interleave(encoder->crtc, mode);
3356 
3357 	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3358 		dce_v10_0_afmt_enable(encoder, true);
3359 		dce_v10_0_afmt_setmode(encoder, adjusted_mode);
3360 	}
3361 }
3362 
3363 static void dce_v10_0_encoder_prepare(struct drm_encoder *encoder)
3364 {
3365 	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3366 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3367 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3368 
3369 	if ((amdgpu_encoder->active_device &
3370 	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3371 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3372 	     ENCODER_OBJECT_ID_NONE)) {
3373 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3374 		if (dig) {
3375 			dig->dig_encoder = dce_v10_0_pick_dig_encoder(encoder);
3376 			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3377 				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3378 		}
3379 	}
3380 
3381 	amdgpu_atombios_scratch_regs_lock(adev, true);
3382 
3383 	if (connector) {
3384 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3385 
3386 		/* select the clock/data port if it uses a router */
3387 		if (amdgpu_connector->router.cd_valid)
3388 			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3389 
3390 		/* turn eDP panel on for mode set */
3391 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3392 			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3393 							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3394 	}
3395 
3396 	/* this is needed for the pll/ss setup to work correctly in some cases */
3397 	amdgpu_atombios_encoder_set_crtc_source(encoder);
3398 	/* set up the FMT blocks */
3399 	dce_v10_0_program_fmt(encoder);
3400 }
3401 
3402 static void dce_v10_0_encoder_commit(struct drm_encoder *encoder)
3403 {
3404 	struct drm_device *dev = encoder->dev;
3405 	struct amdgpu_device *adev = drm_to_adev(dev);
3406 
3407 	/* need to call this here as we need the crtc set up */
3408 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3409 	amdgpu_atombios_scratch_regs_lock(adev, false);
3410 }
3411 
3412 static void dce_v10_0_encoder_disable(struct drm_encoder *encoder)
3413 {
3414 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3415 	struct amdgpu_encoder_atom_dig *dig;
3416 
3417 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3418 
3419 	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3420 		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3421 			dce_v10_0_afmt_enable(encoder, false);
3422 		dig = amdgpu_encoder->enc_priv;
3423 		dig->dig_encoder = -1;
3424 	}
3425 	amdgpu_encoder->active_device = 0;
3426 }
3427 
3428 /* these are handled by the primary encoders */
3429 static void dce_v10_0_ext_prepare(struct drm_encoder *encoder)
3430 {
3431 
3432 }
3433 
3434 static void dce_v10_0_ext_commit(struct drm_encoder *encoder)
3435 {
3436 
3437 }
3438 
3439 static void
3440 dce_v10_0_ext_mode_set(struct drm_encoder *encoder,
3441 		      struct drm_display_mode *mode,
3442 		      struct drm_display_mode *adjusted_mode)
3443 {
3444 
3445 }
3446 
3447 static void dce_v10_0_ext_disable(struct drm_encoder *encoder)
3448 {
3449 
3450 }
3451 
3452 static void
3453 dce_v10_0_ext_dpms(struct drm_encoder *encoder, int mode)
3454 {
3455 
3456 }
3457 
3458 static const struct drm_encoder_helper_funcs dce_v10_0_ext_helper_funcs = {
3459 	.dpms = dce_v10_0_ext_dpms,
3460 	.prepare = dce_v10_0_ext_prepare,
3461 	.mode_set = dce_v10_0_ext_mode_set,
3462 	.commit = dce_v10_0_ext_commit,
3463 	.disable = dce_v10_0_ext_disable,
3464 	/* no detect for TMDS/LVDS yet */
3465 };
3466 
3467 static const struct drm_encoder_helper_funcs dce_v10_0_dig_helper_funcs = {
3468 	.dpms = amdgpu_atombios_encoder_dpms,
3469 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3470 	.prepare = dce_v10_0_encoder_prepare,
3471 	.mode_set = dce_v10_0_encoder_mode_set,
3472 	.commit = dce_v10_0_encoder_commit,
3473 	.disable = dce_v10_0_encoder_disable,
3474 	.detect = amdgpu_atombios_encoder_dig_detect,
3475 };
3476 
3477 static const struct drm_encoder_helper_funcs dce_v10_0_dac_helper_funcs = {
3478 	.dpms = amdgpu_atombios_encoder_dpms,
3479 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3480 	.prepare = dce_v10_0_encoder_prepare,
3481 	.mode_set = dce_v10_0_encoder_mode_set,
3482 	.commit = dce_v10_0_encoder_commit,
3483 	.detect = amdgpu_atombios_encoder_dac_detect,
3484 };
3485 
3486 static void dce_v10_0_encoder_destroy(struct drm_encoder *encoder)
3487 {
3488 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3489 	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3490 		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3491 	kfree(amdgpu_encoder->enc_priv);
3492 	drm_encoder_cleanup(encoder);
3493 	kfree(amdgpu_encoder);
3494 }
3495 
3496 static const struct drm_encoder_funcs dce_v10_0_encoder_funcs = {
3497 	.destroy = dce_v10_0_encoder_destroy,
3498 };
3499 
3500 static void dce_v10_0_encoder_add(struct amdgpu_device *adev,
3501 				 uint32_t encoder_enum,
3502 				 uint32_t supported_device,
3503 				 u16 caps)
3504 {
3505 	struct drm_device *dev = adev_to_drm(adev);
3506 	struct drm_encoder *encoder;
3507 	struct amdgpu_encoder *amdgpu_encoder;
3508 
3509 	/* see if we already added it */
3510 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3511 		amdgpu_encoder = to_amdgpu_encoder(encoder);
3512 		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3513 			amdgpu_encoder->devices |= supported_device;
3514 			return;
3515 		}
3516 
3517 	}
3518 
3519 	/* add a new one */
3520 	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3521 	if (!amdgpu_encoder)
3522 		return;
3523 
3524 	encoder = &amdgpu_encoder->base;
3525 	switch (adev->mode_info.num_crtc) {
3526 	case 1:
3527 		encoder->possible_crtcs = 0x1;
3528 		break;
3529 	case 2:
3530 	default:
3531 		encoder->possible_crtcs = 0x3;
3532 		break;
3533 	case 4:
3534 		encoder->possible_crtcs = 0xf;
3535 		break;
3536 	case 6:
3537 		encoder->possible_crtcs = 0x3f;
3538 		break;
3539 	}
3540 
3541 	amdgpu_encoder->enc_priv = NULL;
3542 
3543 	amdgpu_encoder->encoder_enum = encoder_enum;
3544 	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3545 	amdgpu_encoder->devices = supported_device;
3546 	amdgpu_encoder->rmx_type = RMX_OFF;
3547 	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3548 	amdgpu_encoder->is_ext_encoder = false;
3549 	amdgpu_encoder->caps = caps;
3550 
3551 	switch (amdgpu_encoder->encoder_id) {
3552 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3553 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3554 		drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3555 				 DRM_MODE_ENCODER_DAC, NULL);
3556 		drm_encoder_helper_add(encoder, &dce_v10_0_dac_helper_funcs);
3557 		break;
3558 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3559 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3560 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3561 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3562 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3563 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3564 			amdgpu_encoder->rmx_type = RMX_FULL;
3565 			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3566 					 DRM_MODE_ENCODER_LVDS, NULL);
3567 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3568 		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3569 			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3570 					 DRM_MODE_ENCODER_DAC, NULL);
3571 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3572 		} else {
3573 			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3574 					 DRM_MODE_ENCODER_TMDS, NULL);
3575 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3576 		}
3577 		drm_encoder_helper_add(encoder, &dce_v10_0_dig_helper_funcs);
3578 		break;
3579 	case ENCODER_OBJECT_ID_SI170B:
3580 	case ENCODER_OBJECT_ID_CH7303:
3581 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3582 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3583 	case ENCODER_OBJECT_ID_TITFP513:
3584 	case ENCODER_OBJECT_ID_VT1623:
3585 	case ENCODER_OBJECT_ID_HDMI_SI1930:
3586 	case ENCODER_OBJECT_ID_TRAVIS:
3587 	case ENCODER_OBJECT_ID_NUTMEG:
3588 		/* these are handled by the primary encoders */
3589 		amdgpu_encoder->is_ext_encoder = true;
3590 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3591 			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3592 					 DRM_MODE_ENCODER_LVDS, NULL);
3593 		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3594 			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3595 					 DRM_MODE_ENCODER_DAC, NULL);
3596 		else
3597 			drm_encoder_init(dev, encoder, &dce_v10_0_encoder_funcs,
3598 					 DRM_MODE_ENCODER_TMDS, NULL);
3599 		drm_encoder_helper_add(encoder, &dce_v10_0_ext_helper_funcs);
3600 		break;
3601 	}
3602 }
3603 
3604 static const struct amdgpu_display_funcs dce_v10_0_display_funcs = {
3605 	.bandwidth_update = &dce_v10_0_bandwidth_update,
3606 	.vblank_get_counter = &dce_v10_0_vblank_get_counter,
3607 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3608 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3609 	.hpd_sense = &dce_v10_0_hpd_sense,
3610 	.hpd_set_polarity = &dce_v10_0_hpd_set_polarity,
3611 	.hpd_get_gpio_reg = &dce_v10_0_hpd_get_gpio_reg,
3612 	.page_flip = &dce_v10_0_page_flip,
3613 	.page_flip_get_scanoutpos = &dce_v10_0_crtc_get_scanoutpos,
3614 	.add_encoder = &dce_v10_0_encoder_add,
3615 	.add_connector = &amdgpu_connector_add,
3616 };
3617 
3618 static void dce_v10_0_set_display_funcs(struct amdgpu_device *adev)
3619 {
3620 	adev->mode_info.funcs = &dce_v10_0_display_funcs;
3621 }
3622 
3623 static const struct amdgpu_irq_src_funcs dce_v10_0_crtc_irq_funcs = {
3624 	.set = dce_v10_0_set_crtc_irq_state,
3625 	.process = dce_v10_0_crtc_irq,
3626 };
3627 
3628 static const struct amdgpu_irq_src_funcs dce_v10_0_pageflip_irq_funcs = {
3629 	.set = dce_v10_0_set_pageflip_irq_state,
3630 	.process = dce_v10_0_pageflip_irq,
3631 };
3632 
3633 static const struct amdgpu_irq_src_funcs dce_v10_0_hpd_irq_funcs = {
3634 	.set = dce_v10_0_set_hpd_irq_state,
3635 	.process = dce_v10_0_hpd_irq,
3636 };
3637 
3638 static void dce_v10_0_set_irq_funcs(struct amdgpu_device *adev)
3639 {
3640 	if (adev->mode_info.num_crtc > 0)
3641 		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3642 	else
3643 		adev->crtc_irq.num_types = 0;
3644 	adev->crtc_irq.funcs = &dce_v10_0_crtc_irq_funcs;
3645 
3646 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3647 	adev->pageflip_irq.funcs = &dce_v10_0_pageflip_irq_funcs;
3648 
3649 	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3650 	adev->hpd_irq.funcs = &dce_v10_0_hpd_irq_funcs;
3651 }
3652 
3653 const struct amdgpu_ip_block_version dce_v10_0_ip_block =
3654 {
3655 	.type = AMD_IP_BLOCK_TYPE_DCE,
3656 	.major = 10,
3657 	.minor = 0,
3658 	.rev = 0,
3659 	.funcs = &dce_v10_0_ip_funcs,
3660 };
3661 
3662 const struct amdgpu_ip_block_version dce_v10_1_ip_block =
3663 {
3664 	.type = AMD_IP_BLOCK_TYPE_DCE,
3665 	.major = 10,
3666 	.minor = 1,
3667 	.rev = 0,
3668 	.funcs = &dce_v10_0_ip_funcs,
3669 };
3670