xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c (revision ba61bb17)
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 #include <drm/drmP.h>
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "cikd.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "atombios_crtc.h"
31 #include "atombios_encoders.h"
32 #include "amdgpu_pll.h"
33 #include "amdgpu_connectors.h"
34 #include "dce_v8_0.h"
35 
36 #include "dce/dce_8_0_d.h"
37 #include "dce/dce_8_0_sh_mask.h"
38 
39 #include "gca/gfx_7_2_enum.h"
40 
41 #include "gmc/gmc_7_1_d.h"
42 #include "gmc/gmc_7_1_sh_mask.h"
43 
44 #include "oss/oss_2_0_d.h"
45 #include "oss/oss_2_0_sh_mask.h"
46 
47 static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev);
48 static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev);
49 
50 static const u32 crtc_offsets[6] =
51 {
52 	CRTC0_REGISTER_OFFSET,
53 	CRTC1_REGISTER_OFFSET,
54 	CRTC2_REGISTER_OFFSET,
55 	CRTC3_REGISTER_OFFSET,
56 	CRTC4_REGISTER_OFFSET,
57 	CRTC5_REGISTER_OFFSET
58 };
59 
60 static const u32 hpd_offsets[] =
61 {
62 	HPD0_REGISTER_OFFSET,
63 	HPD1_REGISTER_OFFSET,
64 	HPD2_REGISTER_OFFSET,
65 	HPD3_REGISTER_OFFSET,
66 	HPD4_REGISTER_OFFSET,
67 	HPD5_REGISTER_OFFSET
68 };
69 
70 static const uint32_t dig_offsets[] = {
71 	CRTC0_REGISTER_OFFSET,
72 	CRTC1_REGISTER_OFFSET,
73 	CRTC2_REGISTER_OFFSET,
74 	CRTC3_REGISTER_OFFSET,
75 	CRTC4_REGISTER_OFFSET,
76 	CRTC5_REGISTER_OFFSET,
77 	(0x13830 - 0x7030) >> 2,
78 };
79 
80 static const struct {
81 	uint32_t	reg;
82 	uint32_t	vblank;
83 	uint32_t	vline;
84 	uint32_t	hpd;
85 
86 } interrupt_status_offsets[6] = { {
87 	.reg = mmDISP_INTERRUPT_STATUS,
88 	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
89 	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
90 	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
91 }, {
92 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
93 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
94 	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
95 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
96 }, {
97 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
98 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
99 	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
100 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
101 }, {
102 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
103 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
104 	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
105 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
106 }, {
107 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
108 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
109 	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
110 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
111 }, {
112 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
113 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
114 	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
115 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
116 } };
117 
118 static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev,
119 				     u32 block_offset, u32 reg)
120 {
121 	unsigned long flags;
122 	u32 r;
123 
124 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
125 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
126 	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
127 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
128 
129 	return r;
130 }
131 
132 static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
133 				      u32 block_offset, u32 reg, u32 v)
134 {
135 	unsigned long flags;
136 
137 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
138 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
139 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
140 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
141 }
142 
143 static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
144 {
145 	if (crtc >= adev->mode_info.num_crtc)
146 		return 0;
147 	else
148 		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
149 }
150 
151 static void dce_v8_0_pageflip_interrupt_init(struct amdgpu_device *adev)
152 {
153 	unsigned i;
154 
155 	/* Enable pflip interrupts */
156 	for (i = 0; i < adev->mode_info.num_crtc; i++)
157 		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
158 }
159 
160 static void dce_v8_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
161 {
162 	unsigned i;
163 
164 	/* Disable pflip interrupts */
165 	for (i = 0; i < adev->mode_info.num_crtc; i++)
166 		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
167 }
168 
169 /**
170  * dce_v8_0_page_flip - pageflip callback.
171  *
172  * @adev: amdgpu_device pointer
173  * @crtc_id: crtc to cleanup pageflip on
174  * @crtc_base: new address of the crtc (GPU MC address)
175  *
176  * Triggers the actual pageflip by updating the primary
177  * surface base address.
178  */
179 static void dce_v8_0_page_flip(struct amdgpu_device *adev,
180 			       int crtc_id, u64 crtc_base, bool async)
181 {
182 	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
183 
184 	/* flip at hsync for async, default is vsync */
185 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
186 	       GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
187 	/* update the primary scanout addresses */
188 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
189 	       upper_32_bits(crtc_base));
190 	/* writing to the low address triggers the update */
191 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
192 	       lower_32_bits(crtc_base));
193 	/* post the write */
194 	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
195 }
196 
197 static int dce_v8_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
198 					u32 *vbl, u32 *position)
199 {
200 	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
201 		return -EINVAL;
202 
203 	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
204 	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
205 
206 	return 0;
207 }
208 
209 /**
210  * dce_v8_0_hpd_sense - hpd sense callback.
211  *
212  * @adev: amdgpu_device pointer
213  * @hpd: hpd (hotplug detect) pin
214  *
215  * Checks if a digital monitor is connected (evergreen+).
216  * Returns true if connected, false if not connected.
217  */
218 static bool dce_v8_0_hpd_sense(struct amdgpu_device *adev,
219 			       enum amdgpu_hpd_id hpd)
220 {
221 	bool connected = false;
222 
223 	if (hpd >= adev->mode_info.num_hpd)
224 		return connected;
225 
226 	if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) &
227 	    DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
228 		connected = true;
229 
230 	return connected;
231 }
232 
233 /**
234  * dce_v8_0_hpd_set_polarity - hpd set polarity callback.
235  *
236  * @adev: amdgpu_device pointer
237  * @hpd: hpd (hotplug detect) pin
238  *
239  * Set the polarity of the hpd pin (evergreen+).
240  */
241 static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev,
242 				      enum amdgpu_hpd_id hpd)
243 {
244 	u32 tmp;
245 	bool connected = dce_v8_0_hpd_sense(adev, hpd);
246 
247 	if (hpd >= adev->mode_info.num_hpd)
248 		return;
249 
250 	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
251 	if (connected)
252 		tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
253 	else
254 		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
255 	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
256 }
257 
258 /**
259  * dce_v8_0_hpd_init - hpd setup callback.
260  *
261  * @adev: amdgpu_device pointer
262  *
263  * Setup the hpd pins used by the card (evergreen+).
264  * Enable the pin, set the polarity, and enable the hpd interrupts.
265  */
266 static void dce_v8_0_hpd_init(struct amdgpu_device *adev)
267 {
268 	struct drm_device *dev = adev->ddev;
269 	struct drm_connector *connector;
270 	u32 tmp;
271 
272 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
273 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
274 
275 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
276 			continue;
277 
278 		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
279 		tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
280 		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
281 
282 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
283 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
284 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
285 			 * aux dp channel on imac and help (but not completely fix)
286 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
287 			 * also avoid interrupt storms during dpms.
288 			 */
289 			tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
290 			tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
291 			WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
292 			continue;
293 		}
294 
295 		dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
296 		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
297 	}
298 }
299 
300 /**
301  * dce_v8_0_hpd_fini - hpd tear down callback.
302  *
303  * @adev: amdgpu_device pointer
304  *
305  * Tear down the hpd pins used by the card (evergreen+).
306  * Disable the hpd interrupts.
307  */
308 static void dce_v8_0_hpd_fini(struct amdgpu_device *adev)
309 {
310 	struct drm_device *dev = adev->ddev;
311 	struct drm_connector *connector;
312 	u32 tmp;
313 
314 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
315 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
316 
317 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
318 			continue;
319 
320 		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
321 		tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
322 		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
323 
324 		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
325 	}
326 }
327 
328 static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
329 {
330 	return mmDC_GPIO_HPD_A;
331 }
332 
333 static bool dce_v8_0_is_display_hung(struct amdgpu_device *adev)
334 {
335 	u32 crtc_hung = 0;
336 	u32 crtc_status[6];
337 	u32 i, j, tmp;
338 
339 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
340 		if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) {
341 			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
342 			crtc_hung |= (1 << i);
343 		}
344 	}
345 
346 	for (j = 0; j < 10; j++) {
347 		for (i = 0; i < adev->mode_info.num_crtc; i++) {
348 			if (crtc_hung & (1 << i)) {
349 				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
350 				if (tmp != crtc_status[i])
351 					crtc_hung &= ~(1 << i);
352 			}
353 		}
354 		if (crtc_hung == 0)
355 			return false;
356 		udelay(100);
357 	}
358 
359 	return true;
360 }
361 
362 static void dce_v8_0_set_vga_render_state(struct amdgpu_device *adev,
363 					  bool render)
364 {
365 	u32 tmp;
366 
367 	/* Lockout access through VGA aperture*/
368 	tmp = RREG32(mmVGA_HDP_CONTROL);
369 	if (render)
370 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
371 	else
372 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
373 	WREG32(mmVGA_HDP_CONTROL, tmp);
374 
375 	/* disable VGA render */
376 	tmp = RREG32(mmVGA_RENDER_CONTROL);
377 	if (render)
378 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
379 	else
380 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
381 	WREG32(mmVGA_RENDER_CONTROL, tmp);
382 }
383 
384 static int dce_v8_0_get_num_crtc(struct amdgpu_device *adev)
385 {
386 	int num_crtc = 0;
387 
388 	switch (adev->asic_type) {
389 	case CHIP_BONAIRE:
390 	case CHIP_HAWAII:
391 		num_crtc = 6;
392 		break;
393 	case CHIP_KAVERI:
394 		num_crtc = 4;
395 		break;
396 	case CHIP_KABINI:
397 	case CHIP_MULLINS:
398 		num_crtc = 2;
399 		break;
400 	default:
401 		num_crtc = 0;
402 	}
403 	return num_crtc;
404 }
405 
406 void dce_v8_0_disable_dce(struct amdgpu_device *adev)
407 {
408 	/*Disable VGA render and enabled crtc, if has DCE engine*/
409 	if (amdgpu_atombios_has_dce_engine_info(adev)) {
410 		u32 tmp;
411 		int crtc_enabled, i;
412 
413 		dce_v8_0_set_vga_render_state(adev, false);
414 
415 		/*Disable crtc*/
416 		for (i = 0; i < dce_v8_0_get_num_crtc(adev); i++) {
417 			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
418 									 CRTC_CONTROL, CRTC_MASTER_EN);
419 			if (crtc_enabled) {
420 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
421 				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
422 				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
423 				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
424 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
425 			}
426 		}
427 	}
428 }
429 
430 static void dce_v8_0_program_fmt(struct drm_encoder *encoder)
431 {
432 	struct drm_device *dev = encoder->dev;
433 	struct amdgpu_device *adev = dev->dev_private;
434 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
435 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
436 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
437 	int bpc = 0;
438 	u32 tmp = 0;
439 	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
440 
441 	if (connector) {
442 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
443 		bpc = amdgpu_connector_get_monitor_bpc(connector);
444 		dither = amdgpu_connector->dither;
445 	}
446 
447 	/* LVDS/eDP FMT is set up by atom */
448 	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
449 		return;
450 
451 	/* not needed for analog */
452 	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
453 	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
454 		return;
455 
456 	if (bpc == 0)
457 		return;
458 
459 	switch (bpc) {
460 	case 6:
461 		if (dither == AMDGPU_FMT_DITHER_ENABLE)
462 			/* XXX sort out optimal dither settings */
463 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
464 				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
465 				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
466 				(0 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
467 		else
468 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
469 			(0 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
470 		break;
471 	case 8:
472 		if (dither == AMDGPU_FMT_DITHER_ENABLE)
473 			/* XXX sort out optimal dither settings */
474 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
475 				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
476 				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
477 				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
478 				(1 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
479 		else
480 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
481 			(1 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
482 		break;
483 	case 10:
484 		if (dither == AMDGPU_FMT_DITHER_ENABLE)
485 			/* XXX sort out optimal dither settings */
486 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
487 				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
488 				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
489 				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
490 				(2 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
491 		else
492 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
493 			(2 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
494 		break;
495 	default:
496 		/* not needed */
497 		break;
498 	}
499 
500 	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
501 }
502 
503 
504 /* display watermark setup */
505 /**
506  * dce_v8_0_line_buffer_adjust - Set up the line buffer
507  *
508  * @adev: amdgpu_device pointer
509  * @amdgpu_crtc: the selected display controller
510  * @mode: the current display mode on the selected display
511  * controller
512  *
513  * Setup up the line buffer allocation for
514  * the selected display controller (CIK).
515  * Returns the line buffer size in pixels.
516  */
517 static u32 dce_v8_0_line_buffer_adjust(struct amdgpu_device *adev,
518 				       struct amdgpu_crtc *amdgpu_crtc,
519 				       struct drm_display_mode *mode)
520 {
521 	u32 tmp, buffer_alloc, i;
522 	u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
523 	/*
524 	 * Line Buffer Setup
525 	 * There are 6 line buffers, one for each display controllers.
526 	 * There are 3 partitions per LB. Select the number of partitions
527 	 * to enable based on the display width.  For display widths larger
528 	 * than 4096, you need use to use 2 display controllers and combine
529 	 * them using the stereo blender.
530 	 */
531 	if (amdgpu_crtc->base.enabled && mode) {
532 		if (mode->crtc_hdisplay < 1920) {
533 			tmp = 1;
534 			buffer_alloc = 2;
535 		} else if (mode->crtc_hdisplay < 2560) {
536 			tmp = 2;
537 			buffer_alloc = 2;
538 		} else if (mode->crtc_hdisplay < 4096) {
539 			tmp = 0;
540 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
541 		} else {
542 			DRM_DEBUG_KMS("Mode too big for LB!\n");
543 			tmp = 0;
544 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
545 		}
546 	} else {
547 		tmp = 1;
548 		buffer_alloc = 0;
549 	}
550 
551 	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset,
552 	      (tmp << LB_MEMORY_CTRL__LB_MEMORY_CONFIG__SHIFT) |
553 	      (0x6B0 << LB_MEMORY_CTRL__LB_MEMORY_SIZE__SHIFT));
554 
555 	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
556 	       (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
557 	for (i = 0; i < adev->usec_timeout; i++) {
558 		if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
559 		    PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
560 			break;
561 		udelay(1);
562 	}
563 
564 	if (amdgpu_crtc->base.enabled && mode) {
565 		switch (tmp) {
566 		case 0:
567 		default:
568 			return 4096 * 2;
569 		case 1:
570 			return 1920 * 2;
571 		case 2:
572 			return 2560 * 2;
573 		}
574 	}
575 
576 	/* controller not enabled, so no lb used */
577 	return 0;
578 }
579 
580 /**
581  * cik_get_number_of_dram_channels - get the number of dram channels
582  *
583  * @adev: amdgpu_device pointer
584  *
585  * Look up the number of video ram channels (CIK).
586  * Used for display watermark bandwidth calculations
587  * Returns the number of dram channels
588  */
589 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
590 {
591 	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
592 
593 	switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
594 	case 0:
595 	default:
596 		return 1;
597 	case 1:
598 		return 2;
599 	case 2:
600 		return 4;
601 	case 3:
602 		return 8;
603 	case 4:
604 		return 3;
605 	case 5:
606 		return 6;
607 	case 6:
608 		return 10;
609 	case 7:
610 		return 12;
611 	case 8:
612 		return 16;
613 	}
614 }
615 
616 struct dce8_wm_params {
617 	u32 dram_channels; /* number of dram channels */
618 	u32 yclk;          /* bandwidth per dram data pin in kHz */
619 	u32 sclk;          /* engine clock in kHz */
620 	u32 disp_clk;      /* display clock in kHz */
621 	u32 src_width;     /* viewport width */
622 	u32 active_time;   /* active display time in ns */
623 	u32 blank_time;    /* blank time in ns */
624 	bool interlaced;    /* mode is interlaced */
625 	fixed20_12 vsc;    /* vertical scale ratio */
626 	u32 num_heads;     /* number of active crtcs */
627 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
628 	u32 lb_size;       /* line buffer allocated to pipe */
629 	u32 vtaps;         /* vertical scaler taps */
630 };
631 
632 /**
633  * dce_v8_0_dram_bandwidth - get the dram bandwidth
634  *
635  * @wm: watermark calculation data
636  *
637  * Calculate the raw dram bandwidth (CIK).
638  * Used for display watermark bandwidth calculations
639  * Returns the dram bandwidth in MBytes/s
640  */
641 static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm)
642 {
643 	/* Calculate raw DRAM Bandwidth */
644 	fixed20_12 dram_efficiency; /* 0.7 */
645 	fixed20_12 yclk, dram_channels, bandwidth;
646 	fixed20_12 a;
647 
648 	a.full = dfixed_const(1000);
649 	yclk.full = dfixed_const(wm->yclk);
650 	yclk.full = dfixed_div(yclk, a);
651 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
652 	a.full = dfixed_const(10);
653 	dram_efficiency.full = dfixed_const(7);
654 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
655 	bandwidth.full = dfixed_mul(dram_channels, yclk);
656 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
657 
658 	return dfixed_trunc(bandwidth);
659 }
660 
661 /**
662  * dce_v8_0_dram_bandwidth_for_display - get the dram bandwidth for display
663  *
664  * @wm: watermark calculation data
665  *
666  * Calculate the dram bandwidth used for display (CIK).
667  * Used for display watermark bandwidth calculations
668  * Returns the dram bandwidth for display in MBytes/s
669  */
670 static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm)
671 {
672 	/* Calculate DRAM Bandwidth and the part allocated to display. */
673 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
674 	fixed20_12 yclk, dram_channels, bandwidth;
675 	fixed20_12 a;
676 
677 	a.full = dfixed_const(1000);
678 	yclk.full = dfixed_const(wm->yclk);
679 	yclk.full = dfixed_div(yclk, a);
680 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
681 	a.full = dfixed_const(10);
682 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
683 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
684 	bandwidth.full = dfixed_mul(dram_channels, yclk);
685 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
686 
687 	return dfixed_trunc(bandwidth);
688 }
689 
690 /**
691  * dce_v8_0_data_return_bandwidth - get the data return bandwidth
692  *
693  * @wm: watermark calculation data
694  *
695  * Calculate the data return bandwidth used for display (CIK).
696  * Used for display watermark bandwidth calculations
697  * Returns the data return bandwidth in MBytes/s
698  */
699 static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm)
700 {
701 	/* Calculate the display Data return Bandwidth */
702 	fixed20_12 return_efficiency; /* 0.8 */
703 	fixed20_12 sclk, bandwidth;
704 	fixed20_12 a;
705 
706 	a.full = dfixed_const(1000);
707 	sclk.full = dfixed_const(wm->sclk);
708 	sclk.full = dfixed_div(sclk, a);
709 	a.full = dfixed_const(10);
710 	return_efficiency.full = dfixed_const(8);
711 	return_efficiency.full = dfixed_div(return_efficiency, a);
712 	a.full = dfixed_const(32);
713 	bandwidth.full = dfixed_mul(a, sclk);
714 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
715 
716 	return dfixed_trunc(bandwidth);
717 }
718 
719 /**
720  * dce_v8_0_dmif_request_bandwidth - get the dmif bandwidth
721  *
722  * @wm: watermark calculation data
723  *
724  * Calculate the dmif bandwidth used for display (CIK).
725  * Used for display watermark bandwidth calculations
726  * Returns the dmif bandwidth in MBytes/s
727  */
728 static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm)
729 {
730 	/* Calculate the DMIF Request Bandwidth */
731 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
732 	fixed20_12 disp_clk, bandwidth;
733 	fixed20_12 a, b;
734 
735 	a.full = dfixed_const(1000);
736 	disp_clk.full = dfixed_const(wm->disp_clk);
737 	disp_clk.full = dfixed_div(disp_clk, a);
738 	a.full = dfixed_const(32);
739 	b.full = dfixed_mul(a, disp_clk);
740 
741 	a.full = dfixed_const(10);
742 	disp_clk_request_efficiency.full = dfixed_const(8);
743 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
744 
745 	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
746 
747 	return dfixed_trunc(bandwidth);
748 }
749 
750 /**
751  * dce_v8_0_available_bandwidth - get the min available bandwidth
752  *
753  * @wm: watermark calculation data
754  *
755  * Calculate the min available bandwidth used for display (CIK).
756  * Used for display watermark bandwidth calculations
757  * Returns the min available bandwidth in MBytes/s
758  */
759 static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm)
760 {
761 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
762 	u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm);
763 	u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm);
764 	u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm);
765 
766 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
767 }
768 
769 /**
770  * dce_v8_0_average_bandwidth - get the average available bandwidth
771  *
772  * @wm: watermark calculation data
773  *
774  * Calculate the average available bandwidth used for display (CIK).
775  * Used for display watermark bandwidth calculations
776  * Returns the average available bandwidth in MBytes/s
777  */
778 static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm)
779 {
780 	/* Calculate the display mode Average Bandwidth
781 	 * DisplayMode should contain the source and destination dimensions,
782 	 * timing, etc.
783 	 */
784 	fixed20_12 bpp;
785 	fixed20_12 line_time;
786 	fixed20_12 src_width;
787 	fixed20_12 bandwidth;
788 	fixed20_12 a;
789 
790 	a.full = dfixed_const(1000);
791 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
792 	line_time.full = dfixed_div(line_time, a);
793 	bpp.full = dfixed_const(wm->bytes_per_pixel);
794 	src_width.full = dfixed_const(wm->src_width);
795 	bandwidth.full = dfixed_mul(src_width, bpp);
796 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
797 	bandwidth.full = dfixed_div(bandwidth, line_time);
798 
799 	return dfixed_trunc(bandwidth);
800 }
801 
802 /**
803  * dce_v8_0_latency_watermark - get the latency watermark
804  *
805  * @wm: watermark calculation data
806  *
807  * Calculate the latency watermark (CIK).
808  * Used for display watermark bandwidth calculations
809  * Returns the latency watermark in ns
810  */
811 static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)
812 {
813 	/* First calculate the latency in ns */
814 	u32 mc_latency = 2000; /* 2000 ns. */
815 	u32 available_bandwidth = dce_v8_0_available_bandwidth(wm);
816 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
817 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
818 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
819 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
820 		(wm->num_heads * cursor_line_pair_return_time);
821 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
822 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
823 	u32 tmp, dmif_size = 12288;
824 	fixed20_12 a, b, c;
825 
826 	if (wm->num_heads == 0)
827 		return 0;
828 
829 	a.full = dfixed_const(2);
830 	b.full = dfixed_const(1);
831 	if ((wm->vsc.full > a.full) ||
832 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
833 	    (wm->vtaps >= 5) ||
834 	    ((wm->vsc.full >= a.full) && wm->interlaced))
835 		max_src_lines_per_dst_line = 4;
836 	else
837 		max_src_lines_per_dst_line = 2;
838 
839 	a.full = dfixed_const(available_bandwidth);
840 	b.full = dfixed_const(wm->num_heads);
841 	a.full = dfixed_div(a, b);
842 	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
843 	tmp = min(dfixed_trunc(a), tmp);
844 
845 	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
846 
847 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
848 	b.full = dfixed_const(1000);
849 	c.full = dfixed_const(lb_fill_bw);
850 	b.full = dfixed_div(c, b);
851 	a.full = dfixed_div(a, b);
852 	line_fill_time = dfixed_trunc(a);
853 
854 	if (line_fill_time < wm->active_time)
855 		return latency;
856 	else
857 		return latency + (line_fill_time - wm->active_time);
858 
859 }
860 
861 /**
862  * dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display - check
863  * average and available dram bandwidth
864  *
865  * @wm: watermark calculation data
866  *
867  * Check if the display average bandwidth fits in the display
868  * dram bandwidth (CIK).
869  * Used for display watermark bandwidth calculations
870  * Returns true if the display fits, false if not.
871  */
872 static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)
873 {
874 	if (dce_v8_0_average_bandwidth(wm) <=
875 	    (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads))
876 		return true;
877 	else
878 		return false;
879 }
880 
881 /**
882  * dce_v8_0_average_bandwidth_vs_available_bandwidth - check
883  * average and available bandwidth
884  *
885  * @wm: watermark calculation data
886  *
887  * Check if the display average bandwidth fits in the display
888  * available bandwidth (CIK).
889  * Used for display watermark bandwidth calculations
890  * Returns true if the display fits, false if not.
891  */
892 static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)
893 {
894 	if (dce_v8_0_average_bandwidth(wm) <=
895 	    (dce_v8_0_available_bandwidth(wm) / wm->num_heads))
896 		return true;
897 	else
898 		return false;
899 }
900 
901 /**
902  * dce_v8_0_check_latency_hiding - check latency hiding
903  *
904  * @wm: watermark calculation data
905  *
906  * Check latency hiding (CIK).
907  * Used for display watermark bandwidth calculations
908  * Returns true if the display fits, false if not.
909  */
910 static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm)
911 {
912 	u32 lb_partitions = wm->lb_size / wm->src_width;
913 	u32 line_time = wm->active_time + wm->blank_time;
914 	u32 latency_tolerant_lines;
915 	u32 latency_hiding;
916 	fixed20_12 a;
917 
918 	a.full = dfixed_const(1);
919 	if (wm->vsc.full > a.full)
920 		latency_tolerant_lines = 1;
921 	else {
922 		if (lb_partitions <= (wm->vtaps + 1))
923 			latency_tolerant_lines = 1;
924 		else
925 			latency_tolerant_lines = 2;
926 	}
927 
928 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
929 
930 	if (dce_v8_0_latency_watermark(wm) <= latency_hiding)
931 		return true;
932 	else
933 		return false;
934 }
935 
936 /**
937  * dce_v8_0_program_watermarks - program display watermarks
938  *
939  * @adev: amdgpu_device pointer
940  * @amdgpu_crtc: the selected display controller
941  * @lb_size: line buffer size
942  * @num_heads: number of display controllers in use
943  *
944  * Calculate and program the display watermarks for the
945  * selected display controller (CIK).
946  */
947 static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,
948 					struct amdgpu_crtc *amdgpu_crtc,
949 					u32 lb_size, u32 num_heads)
950 {
951 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
952 	struct dce8_wm_params wm_low, wm_high;
953 	u32 active_time;
954 	u32 line_time = 0;
955 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
956 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
957 
958 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
959 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
960 					    (u32)mode->clock);
961 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
962 					  (u32)mode->clock);
963 		line_time = min(line_time, (u32)65535);
964 
965 		/* watermark for high clocks */
966 		if (adev->pm.dpm_enabled) {
967 			wm_high.yclk =
968 				amdgpu_dpm_get_mclk(adev, false) * 10;
969 			wm_high.sclk =
970 				amdgpu_dpm_get_sclk(adev, false) * 10;
971 		} else {
972 			wm_high.yclk = adev->pm.current_mclk * 10;
973 			wm_high.sclk = adev->pm.current_sclk * 10;
974 		}
975 
976 		wm_high.disp_clk = mode->clock;
977 		wm_high.src_width = mode->crtc_hdisplay;
978 		wm_high.active_time = active_time;
979 		wm_high.blank_time = line_time - wm_high.active_time;
980 		wm_high.interlaced = false;
981 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
982 			wm_high.interlaced = true;
983 		wm_high.vsc = amdgpu_crtc->vsc;
984 		wm_high.vtaps = 1;
985 		if (amdgpu_crtc->rmx_type != RMX_OFF)
986 			wm_high.vtaps = 2;
987 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
988 		wm_high.lb_size = lb_size;
989 		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
990 		wm_high.num_heads = num_heads;
991 
992 		/* set for high clocks */
993 		latency_watermark_a = min(dce_v8_0_latency_watermark(&wm_high), (u32)65535);
994 
995 		/* possibly force display priority to high */
996 		/* should really do this at mode validation time... */
997 		if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
998 		    !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
999 		    !dce_v8_0_check_latency_hiding(&wm_high) ||
1000 		    (adev->mode_info.disp_priority == 2)) {
1001 			DRM_DEBUG_KMS("force priority to high\n");
1002 		}
1003 
1004 		/* watermark for low clocks */
1005 		if (adev->pm.dpm_enabled) {
1006 			wm_low.yclk =
1007 				amdgpu_dpm_get_mclk(adev, true) * 10;
1008 			wm_low.sclk =
1009 				amdgpu_dpm_get_sclk(adev, true) * 10;
1010 		} else {
1011 			wm_low.yclk = adev->pm.current_mclk * 10;
1012 			wm_low.sclk = adev->pm.current_sclk * 10;
1013 		}
1014 
1015 		wm_low.disp_clk = mode->clock;
1016 		wm_low.src_width = mode->crtc_hdisplay;
1017 		wm_low.active_time = active_time;
1018 		wm_low.blank_time = line_time - wm_low.active_time;
1019 		wm_low.interlaced = false;
1020 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1021 			wm_low.interlaced = true;
1022 		wm_low.vsc = amdgpu_crtc->vsc;
1023 		wm_low.vtaps = 1;
1024 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1025 			wm_low.vtaps = 2;
1026 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1027 		wm_low.lb_size = lb_size;
1028 		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1029 		wm_low.num_heads = num_heads;
1030 
1031 		/* set for low clocks */
1032 		latency_watermark_b = min(dce_v8_0_latency_watermark(&wm_low), (u32)65535);
1033 
1034 		/* possibly force display priority to high */
1035 		/* should really do this at mode validation time... */
1036 		if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1037 		    !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1038 		    !dce_v8_0_check_latency_hiding(&wm_low) ||
1039 		    (adev->mode_info.disp_priority == 2)) {
1040 			DRM_DEBUG_KMS("force priority to high\n");
1041 		}
1042 		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1043 	}
1044 
1045 	/* select wm A */
1046 	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1047 	tmp = wm_mask;
1048 	tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1049 	tmp |= (1 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1050 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1051 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1052 	       ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1053 		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1054 	/* select wm B */
1055 	tmp = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1056 	tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1057 	tmp |= (2 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1058 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1059 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1060 	       ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1061 		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1062 	/* restore original selection */
1063 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1064 
1065 	/* save values for DPM */
1066 	amdgpu_crtc->line_time = line_time;
1067 	amdgpu_crtc->wm_high = latency_watermark_a;
1068 	amdgpu_crtc->wm_low = latency_watermark_b;
1069 	/* Save number of lines the linebuffer leads before the scanout */
1070 	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1071 }
1072 
1073 /**
1074  * dce_v8_0_bandwidth_update - program display watermarks
1075  *
1076  * @adev: amdgpu_device pointer
1077  *
1078  * Calculate and program the display watermarks and line
1079  * buffer allocation (CIK).
1080  */
1081 static void dce_v8_0_bandwidth_update(struct amdgpu_device *adev)
1082 {
1083 	struct drm_display_mode *mode = NULL;
1084 	u32 num_heads = 0, lb_size;
1085 	int i;
1086 
1087 	amdgpu_display_update_priority(adev);
1088 
1089 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090 		if (adev->mode_info.crtcs[i]->base.enabled)
1091 			num_heads++;
1092 	}
1093 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1094 		mode = &adev->mode_info.crtcs[i]->base.mode;
1095 		lb_size = dce_v8_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1096 		dce_v8_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1097 					    lb_size, num_heads);
1098 	}
1099 }
1100 
1101 static void dce_v8_0_audio_get_connected_pins(struct amdgpu_device *adev)
1102 {
1103 	int i;
1104 	u32 offset, tmp;
1105 
1106 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1107 		offset = adev->mode_info.audio.pin[i].offset;
1108 		tmp = RREG32_AUDIO_ENDPT(offset,
1109 					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1110 		if (((tmp &
1111 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1112 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1113 			adev->mode_info.audio.pin[i].connected = false;
1114 		else
1115 			adev->mode_info.audio.pin[i].connected = true;
1116 	}
1117 }
1118 
1119 static struct amdgpu_audio_pin *dce_v8_0_audio_get_pin(struct amdgpu_device *adev)
1120 {
1121 	int i;
1122 
1123 	dce_v8_0_audio_get_connected_pins(adev);
1124 
1125 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1126 		if (adev->mode_info.audio.pin[i].connected)
1127 			return &adev->mode_info.audio.pin[i];
1128 	}
1129 	DRM_ERROR("No connected audio pins found!\n");
1130 	return NULL;
1131 }
1132 
1133 static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1134 {
1135 	struct amdgpu_device *adev = encoder->dev->dev_private;
1136 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1137 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1138 	u32 offset;
1139 
1140 	if (!dig || !dig->afmt || !dig->afmt->pin)
1141 		return;
1142 
1143 	offset = dig->afmt->offset;
1144 
1145 	WREG32(mmAFMT_AUDIO_SRC_CONTROL + offset,
1146 	       (dig->afmt->pin->id << AFMT_AUDIO_SRC_CONTROL__AFMT_AUDIO_SRC_SELECT__SHIFT));
1147 }
1148 
1149 static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder,
1150 						struct drm_display_mode *mode)
1151 {
1152 	struct amdgpu_device *adev = encoder->dev->dev_private;
1153 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155 	struct drm_connector *connector;
1156 	struct amdgpu_connector *amdgpu_connector = NULL;
1157 	u32 tmp = 0, offset;
1158 
1159 	if (!dig || !dig->afmt || !dig->afmt->pin)
1160 		return;
1161 
1162 	offset = dig->afmt->pin->offset;
1163 
1164 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1165 		if (connector->encoder == encoder) {
1166 			amdgpu_connector = to_amdgpu_connector(connector);
1167 			break;
1168 		}
1169 	}
1170 
1171 	if (!amdgpu_connector) {
1172 		DRM_ERROR("Couldn't find encoder's connector\n");
1173 		return;
1174 	}
1175 
1176 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1177 		if (connector->latency_present[1])
1178 			tmp =
1179 			(connector->video_latency[1] <<
1180 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1181 			(connector->audio_latency[1] <<
1182 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1183 		else
1184 			tmp =
1185 			(0 <<
1186 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1187 			(0 <<
1188 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1189 	} else {
1190 		if (connector->latency_present[0])
1191 			tmp =
1192 			(connector->video_latency[0] <<
1193 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1194 			(connector->audio_latency[0] <<
1195 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1196 		else
1197 			tmp =
1198 			(0 <<
1199 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1200 			(0 <<
1201 			 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1202 
1203 	}
1204 	WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1205 }
1206 
1207 static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1208 {
1209 	struct amdgpu_device *adev = encoder->dev->dev_private;
1210 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1211 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1212 	struct drm_connector *connector;
1213 	struct amdgpu_connector *amdgpu_connector = NULL;
1214 	u32 offset, tmp;
1215 	u8 *sadb = NULL;
1216 	int sad_count;
1217 
1218 	if (!dig || !dig->afmt || !dig->afmt->pin)
1219 		return;
1220 
1221 	offset = dig->afmt->pin->offset;
1222 
1223 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1224 		if (connector->encoder == encoder) {
1225 			amdgpu_connector = to_amdgpu_connector(connector);
1226 			break;
1227 		}
1228 	}
1229 
1230 	if (!amdgpu_connector) {
1231 		DRM_ERROR("Couldn't find encoder's connector\n");
1232 		return;
1233 	}
1234 
1235 	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1236 	if (sad_count < 0) {
1237 		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1238 		sad_count = 0;
1239 	}
1240 
1241 	/* program the speaker allocation */
1242 	tmp = RREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1243 	tmp &= ~(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__DP_CONNECTION_MASK |
1244 		AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION_MASK);
1245 	/* set HDMI mode */
1246 	tmp |= AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__HDMI_CONNECTION_MASK;
1247 	if (sad_count)
1248 		tmp |= (sadb[0] << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT);
1249 	else
1250 		tmp |= (5 << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); /* stereo */
1251 	WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1252 
1253 	kfree(sadb);
1254 }
1255 
1256 static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder)
1257 {
1258 	struct amdgpu_device *adev = encoder->dev->dev_private;
1259 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1260 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1261 	u32 offset;
1262 	struct drm_connector *connector;
1263 	struct amdgpu_connector *amdgpu_connector = NULL;
1264 	struct cea_sad *sads;
1265 	int i, sad_count;
1266 
1267 	static const u16 eld_reg_to_type[][2] = {
1268 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1269 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1270 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1271 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1272 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1273 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1274 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1275 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1276 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1277 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1278 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1279 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1280 	};
1281 
1282 	if (!dig || !dig->afmt || !dig->afmt->pin)
1283 		return;
1284 
1285 	offset = dig->afmt->pin->offset;
1286 
1287 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1288 		if (connector->encoder == encoder) {
1289 			amdgpu_connector = to_amdgpu_connector(connector);
1290 			break;
1291 		}
1292 	}
1293 
1294 	if (!amdgpu_connector) {
1295 		DRM_ERROR("Couldn't find encoder's connector\n");
1296 		return;
1297 	}
1298 
1299 	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1300 	if (sad_count <= 0) {
1301 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1302 		return;
1303 	}
1304 	BUG_ON(!sads);
1305 
1306 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1307 		u32 value = 0;
1308 		u8 stereo_freqs = 0;
1309 		int max_channels = -1;
1310 		int j;
1311 
1312 		for (j = 0; j < sad_count; j++) {
1313 			struct cea_sad *sad = &sads[j];
1314 
1315 			if (sad->format == eld_reg_to_type[i][1]) {
1316 				if (sad->channels > max_channels) {
1317 					value = (sad->channels <<
1318 						 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__MAX_CHANNELS__SHIFT) |
1319 					        (sad->byte2 <<
1320 						 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__DESCRIPTOR_BYTE_2__SHIFT) |
1321 					        (sad->freq <<
1322 						 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES__SHIFT);
1323 					max_channels = sad->channels;
1324 				}
1325 
1326 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1327 					stereo_freqs |= sad->freq;
1328 				else
1329 					break;
1330 			}
1331 		}
1332 
1333 		value |= (stereo_freqs <<
1334 			AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES_STEREO__SHIFT);
1335 
1336 		WREG32_AUDIO_ENDPT(offset, eld_reg_to_type[i][0], value);
1337 	}
1338 
1339 	kfree(sads);
1340 }
1341 
1342 static void dce_v8_0_audio_enable(struct amdgpu_device *adev,
1343 				  struct amdgpu_audio_pin *pin,
1344 				  bool enable)
1345 {
1346 	if (!pin)
1347 		return;
1348 
1349 	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1350 		enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1351 }
1352 
1353 static const u32 pin_offsets[7] =
1354 {
1355 	(0x1780 - 0x1780),
1356 	(0x1786 - 0x1780),
1357 	(0x178c - 0x1780),
1358 	(0x1792 - 0x1780),
1359 	(0x1798 - 0x1780),
1360 	(0x179d - 0x1780),
1361 	(0x17a4 - 0x1780),
1362 };
1363 
1364 static int dce_v8_0_audio_init(struct amdgpu_device *adev)
1365 {
1366 	int i;
1367 
1368 	if (!amdgpu_audio)
1369 		return 0;
1370 
1371 	adev->mode_info.audio.enabled = true;
1372 
1373 	if (adev->asic_type == CHIP_KAVERI) /* KV: 4 streams, 7 endpoints */
1374 		adev->mode_info.audio.num_pins = 7;
1375 	else if ((adev->asic_type == CHIP_KABINI) ||
1376 		 (adev->asic_type == CHIP_MULLINS)) /* KB/ML: 2 streams, 3 endpoints */
1377 		adev->mode_info.audio.num_pins = 3;
1378 	else if ((adev->asic_type == CHIP_BONAIRE) ||
1379 		 (adev->asic_type == CHIP_HAWAII))/* BN/HW: 6 streams, 7 endpoints */
1380 		adev->mode_info.audio.num_pins = 7;
1381 	else
1382 		adev->mode_info.audio.num_pins = 3;
1383 
1384 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1385 		adev->mode_info.audio.pin[i].channels = -1;
1386 		adev->mode_info.audio.pin[i].rate = -1;
1387 		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1388 		adev->mode_info.audio.pin[i].status_bits = 0;
1389 		adev->mode_info.audio.pin[i].category_code = 0;
1390 		adev->mode_info.audio.pin[i].connected = false;
1391 		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1392 		adev->mode_info.audio.pin[i].id = i;
1393 		/* disable audio.  it will be set up later */
1394 		/* XXX remove once we switch to ip funcs */
1395 		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1396 	}
1397 
1398 	return 0;
1399 }
1400 
1401 static void dce_v8_0_audio_fini(struct amdgpu_device *adev)
1402 {
1403 	int i;
1404 
1405 	if (!amdgpu_audio)
1406 		return;
1407 
1408 	if (!adev->mode_info.audio.enabled)
1409 		return;
1410 
1411 	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1412 		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1413 
1414 	adev->mode_info.audio.enabled = false;
1415 }
1416 
1417 /*
1418  * update the N and CTS parameters for a given pixel clock rate
1419  */
1420 static void dce_v8_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1421 {
1422 	struct drm_device *dev = encoder->dev;
1423 	struct amdgpu_device *adev = dev->dev_private;
1424 	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1425 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1426 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1427 	uint32_t offset = dig->afmt->offset;
1428 
1429 	WREG32(mmHDMI_ACR_32_0 + offset, (acr.cts_32khz << HDMI_ACR_32_0__HDMI_ACR_CTS_32__SHIFT));
1430 	WREG32(mmHDMI_ACR_32_1 + offset, acr.n_32khz);
1431 
1432 	WREG32(mmHDMI_ACR_44_0 + offset, (acr.cts_44_1khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT));
1433 	WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz);
1434 
1435 	WREG32(mmHDMI_ACR_48_0 + offset, (acr.cts_48khz << HDMI_ACR_48_0__HDMI_ACR_CTS_48__SHIFT));
1436 	WREG32(mmHDMI_ACR_48_1 + offset, acr.n_48khz);
1437 }
1438 
1439 /*
1440  * build a HDMI Video Info Frame
1441  */
1442 static void dce_v8_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1443 					       void *buffer, size_t size)
1444 {
1445 	struct drm_device *dev = encoder->dev;
1446 	struct amdgpu_device *adev = dev->dev_private;
1447 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1448 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1449 	uint32_t offset = dig->afmt->offset;
1450 	uint8_t *frame = buffer + 3;
1451 	uint8_t *header = buffer;
1452 
1453 	WREG32(mmAFMT_AVI_INFO0 + offset,
1454 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1455 	WREG32(mmAFMT_AVI_INFO1 + offset,
1456 		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1457 	WREG32(mmAFMT_AVI_INFO2 + offset,
1458 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1459 	WREG32(mmAFMT_AVI_INFO3 + offset,
1460 		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1461 }
1462 
1463 static void dce_v8_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1464 {
1465 	struct drm_device *dev = encoder->dev;
1466 	struct amdgpu_device *adev = dev->dev_private;
1467 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1468 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1469 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1470 	u32 dto_phase = 24 * 1000;
1471 	u32 dto_modulo = clock;
1472 
1473 	if (!dig || !dig->afmt)
1474 		return;
1475 
1476 	/* XXX two dtos; generally use dto0 for hdmi */
1477 	/* Express [24MHz / target pixel clock] as an exact rational
1478 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1479 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1480 	 */
1481 	WREG32(mmDCCG_AUDIO_DTO_SOURCE, (amdgpu_crtc->crtc_id << DCCG_AUDIO_DTO_SOURCE__DCCG_AUDIO_DTO0_SOURCE_SEL__SHIFT));
1482 	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1483 	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1484 }
1485 
1486 /*
1487  * update the info frames with the data from the current display mode
1488  */
1489 static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder,
1490 				  struct drm_display_mode *mode)
1491 {
1492 	struct drm_device *dev = encoder->dev;
1493 	struct amdgpu_device *adev = dev->dev_private;
1494 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1495 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1496 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1497 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1498 	struct hdmi_avi_infoframe frame;
1499 	uint32_t offset, val;
1500 	ssize_t err;
1501 	int bpc = 8;
1502 
1503 	if (!dig || !dig->afmt)
1504 		return;
1505 
1506 	/* Silent, r600_hdmi_enable will raise WARN for us */
1507 	if (!dig->afmt->enabled)
1508 		return;
1509 
1510 	offset = dig->afmt->offset;
1511 
1512 	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1513 	if (encoder->crtc) {
1514 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1515 		bpc = amdgpu_crtc->bpc;
1516 	}
1517 
1518 	/* disable audio prior to setting up hw */
1519 	dig->afmt->pin = dce_v8_0_audio_get_pin(adev);
1520 	dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1521 
1522 	dce_v8_0_audio_set_dto(encoder, mode->clock);
1523 
1524 	WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1525 	       HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK); /* send null packets when required */
1526 
1527 	WREG32(mmAFMT_AUDIO_CRC_CONTROL + offset, 0x1000);
1528 
1529 	val = RREG32(mmHDMI_CONTROL + offset);
1530 	val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1531 	val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH_MASK;
1532 
1533 	switch (bpc) {
1534 	case 0:
1535 	case 6:
1536 	case 8:
1537 	case 16:
1538 	default:
1539 		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1540 			  connector->name, bpc);
1541 		break;
1542 	case 10:
1543 		val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1544 		val |= 1 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1545 		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1546 			  connector->name);
1547 		break;
1548 	case 12:
1549 		val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1550 		val |= 2 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1551 		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1552 			  connector->name);
1553 		break;
1554 	}
1555 
1556 	WREG32(mmHDMI_CONTROL + offset, val);
1557 
1558 	WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1559 	       HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK | /* send null packets when required */
1560 	       HDMI_VBI_PACKET_CONTROL__HDMI_GC_SEND_MASK | /* send general control packets */
1561 	       HDMI_VBI_PACKET_CONTROL__HDMI_GC_CONT_MASK); /* send general control packets every frame */
1562 
1563 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + offset,
1564 	       HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_SEND_MASK | /* enable audio info frames (frames won't be set until audio is enabled) */
1565 	       HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_CONT_MASK); /* required for audio info values to be updated */
1566 
1567 	WREG32(mmAFMT_INFOFRAME_CONTROL0 + offset,
1568 	       AFMT_INFOFRAME_CONTROL0__AFMT_AUDIO_INFO_UPDATE_MASK); /* required for audio info values to be updated */
1569 
1570 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + offset,
1571 	       (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AUDIO_INFO_LINE__SHIFT)); /* anything other than 0 */
1572 
1573 	WREG32(mmHDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */
1574 
1575 	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + offset,
1576 	       (1 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_DELAY_EN__SHIFT) | /* set the default audio delay */
1577 	       (3 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_PACKETS_PER_LINE__SHIFT)); /* should be suffient for all audio modes and small enough for all hblanks */
1578 
1579 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1580 	       AFMT_AUDIO_PACKET_CONTROL__AFMT_60958_CS_UPDATE_MASK); /* allow 60958 channel status fields to be updated */
1581 
1582 	/* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
1583 
1584 	if (bpc > 8)
1585 		WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1586 		       HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1587 	else
1588 		WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1589 		       HDMI_ACR_PACKET_CONTROL__HDMI_ACR_SOURCE_MASK | /* select SW CTS value */
1590 		       HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1591 
1592 	dce_v8_0_afmt_update_ACR(encoder, mode->clock);
1593 
1594 	WREG32(mmAFMT_60958_0 + offset,
1595 	       (1 << AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L__SHIFT));
1596 
1597 	WREG32(mmAFMT_60958_1 + offset,
1598 	       (2 << AFMT_60958_1__AFMT_60958_CS_CHANNEL_NUMBER_R__SHIFT));
1599 
1600 	WREG32(mmAFMT_60958_2 + offset,
1601 	       (3 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_2__SHIFT) |
1602 	       (4 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_3__SHIFT) |
1603 	       (5 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_4__SHIFT) |
1604 	       (6 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_5__SHIFT) |
1605 	       (7 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_6__SHIFT) |
1606 	       (8 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_7__SHIFT));
1607 
1608 	dce_v8_0_audio_write_speaker_allocation(encoder);
1609 
1610 
1611 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + offset,
1612 	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1613 
1614 	dce_v8_0_afmt_audio_select_pin(encoder);
1615 	dce_v8_0_audio_write_sad_regs(encoder);
1616 	dce_v8_0_audio_write_latency_fields(encoder, mode);
1617 
1618 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
1619 	if (err < 0) {
1620 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1621 		return;
1622 	}
1623 
1624 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1625 	if (err < 0) {
1626 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1627 		return;
1628 	}
1629 
1630 	dce_v8_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1631 
1632 	WREG32_OR(mmHDMI_INFOFRAME_CONTROL0 + offset,
1633 		  HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK | /* enable AVI info frames */
1634 		  HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_CONT_MASK); /* required for audio info values to be updated */
1635 
1636 	WREG32_P(mmHDMI_INFOFRAME_CONTROL1 + offset,
1637 		 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE__SHIFT), /* anything other than 0 */
1638 		 ~HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE_MASK);
1639 
1640 	WREG32_OR(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1641 		  AFMT_AUDIO_PACKET_CONTROL__AFMT_AUDIO_SAMPLE_SEND_MASK); /* send audio packets */
1642 
1643 	WREG32(mmAFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF);
1644 	WREG32(mmAFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
1645 	WREG32(mmAFMT_RAMP_CONTROL2 + offset, 0x00000001);
1646 	WREG32(mmAFMT_RAMP_CONTROL3 + offset, 0x00000001);
1647 
1648 	/* enable audio after setting up hw */
1649 	dce_v8_0_audio_enable(adev, dig->afmt->pin, true);
1650 }
1651 
1652 static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1653 {
1654 	struct drm_device *dev = encoder->dev;
1655 	struct amdgpu_device *adev = dev->dev_private;
1656 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1657 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1658 
1659 	if (!dig || !dig->afmt)
1660 		return;
1661 
1662 	/* Silent, r600_hdmi_enable will raise WARN for us */
1663 	if (enable && dig->afmt->enabled)
1664 		return;
1665 	if (!enable && !dig->afmt->enabled)
1666 		return;
1667 
1668 	if (!enable && dig->afmt->pin) {
1669 		dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1670 		dig->afmt->pin = NULL;
1671 	}
1672 
1673 	dig->afmt->enabled = enable;
1674 
1675 	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1676 		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1677 }
1678 
1679 static int dce_v8_0_afmt_init(struct amdgpu_device *adev)
1680 {
1681 	int i;
1682 
1683 	for (i = 0; i < adev->mode_info.num_dig; i++)
1684 		adev->mode_info.afmt[i] = NULL;
1685 
1686 	/* DCE8 has audio blocks tied to DIG encoders */
1687 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1688 		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1689 		if (adev->mode_info.afmt[i]) {
1690 			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1691 			adev->mode_info.afmt[i]->id = i;
1692 		} else {
1693 			int j;
1694 			for (j = 0; j < i; j++) {
1695 				kfree(adev->mode_info.afmt[j]);
1696 				adev->mode_info.afmt[j] = NULL;
1697 			}
1698 			return -ENOMEM;
1699 		}
1700 	}
1701 	return 0;
1702 }
1703 
1704 static void dce_v8_0_afmt_fini(struct amdgpu_device *adev)
1705 {
1706 	int i;
1707 
1708 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1709 		kfree(adev->mode_info.afmt[i]);
1710 		adev->mode_info.afmt[i] = NULL;
1711 	}
1712 }
1713 
1714 static const u32 vga_control_regs[6] =
1715 {
1716 	mmD1VGA_CONTROL,
1717 	mmD2VGA_CONTROL,
1718 	mmD3VGA_CONTROL,
1719 	mmD4VGA_CONTROL,
1720 	mmD5VGA_CONTROL,
1721 	mmD6VGA_CONTROL,
1722 };
1723 
1724 static void dce_v8_0_vga_enable(struct drm_crtc *crtc, bool enable)
1725 {
1726 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1727 	struct drm_device *dev = crtc->dev;
1728 	struct amdgpu_device *adev = dev->dev_private;
1729 	u32 vga_control;
1730 
1731 	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1732 	if (enable)
1733 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1734 	else
1735 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1736 }
1737 
1738 static void dce_v8_0_grph_enable(struct drm_crtc *crtc, bool enable)
1739 {
1740 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1741 	struct drm_device *dev = crtc->dev;
1742 	struct amdgpu_device *adev = dev->dev_private;
1743 
1744 	if (enable)
1745 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1746 	else
1747 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1748 }
1749 
1750 static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc,
1751 				     struct drm_framebuffer *fb,
1752 				     int x, int y, int atomic)
1753 {
1754 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1755 	struct drm_device *dev = crtc->dev;
1756 	struct amdgpu_device *adev = dev->dev_private;
1757 	struct drm_framebuffer *target_fb;
1758 	struct drm_gem_object *obj;
1759 	struct amdgpu_bo *abo;
1760 	uint64_t fb_location, tiling_flags;
1761 	uint32_t fb_format, fb_pitch_pixels;
1762 	u32 fb_swap = (GRPH_ENDIAN_NONE << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1763 	u32 pipe_config;
1764 	u32 viewport_w, viewport_h;
1765 	int r;
1766 	bool bypass_lut = false;
1767 	struct drm_format_name_buf format_name;
1768 
1769 	/* no fb bound */
1770 	if (!atomic && !crtc->primary->fb) {
1771 		DRM_DEBUG_KMS("No FB bound\n");
1772 		return 0;
1773 	}
1774 
1775 	if (atomic)
1776 		target_fb = fb;
1777 	else
1778 		target_fb = crtc->primary->fb;
1779 
1780 	/* If atomic, assume fb object is pinned & idle & fenced and
1781 	 * just update base pointers
1782 	 */
1783 	obj = target_fb->obj[0];
1784 	abo = gem_to_amdgpu_bo(obj);
1785 	r = amdgpu_bo_reserve(abo, false);
1786 	if (unlikely(r != 0))
1787 		return r;
1788 
1789 	if (!atomic) {
1790 		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1791 		if (unlikely(r != 0)) {
1792 			amdgpu_bo_unreserve(abo);
1793 			return -EINVAL;
1794 		}
1795 	}
1796 	fb_location = amdgpu_bo_gpu_offset(abo);
1797 
1798 	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1799 	amdgpu_bo_unreserve(abo);
1800 
1801 	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1802 
1803 	switch (target_fb->format->format) {
1804 	case DRM_FORMAT_C8:
1805 		fb_format = ((GRPH_DEPTH_8BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1806 			     (GRPH_FORMAT_INDEXED << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1807 		break;
1808 	case DRM_FORMAT_XRGB4444:
1809 	case DRM_FORMAT_ARGB4444:
1810 		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1811 			     (GRPH_FORMAT_ARGB4444 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1812 #ifdef __BIG_ENDIAN
1813 		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1814 #endif
1815 		break;
1816 	case DRM_FORMAT_XRGB1555:
1817 	case DRM_FORMAT_ARGB1555:
1818 		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1819 			     (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1820 #ifdef __BIG_ENDIAN
1821 		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1822 #endif
1823 		break;
1824 	case DRM_FORMAT_BGRX5551:
1825 	case DRM_FORMAT_BGRA5551:
1826 		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1827 			     (GRPH_FORMAT_BGRA5551 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1828 #ifdef __BIG_ENDIAN
1829 		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1830 #endif
1831 		break;
1832 	case DRM_FORMAT_RGB565:
1833 		fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1834 			     (GRPH_FORMAT_ARGB565 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1835 #ifdef __BIG_ENDIAN
1836 		fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1837 #endif
1838 		break;
1839 	case DRM_FORMAT_XRGB8888:
1840 	case DRM_FORMAT_ARGB8888:
1841 		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1842 			     (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1843 #ifdef __BIG_ENDIAN
1844 		fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1845 #endif
1846 		break;
1847 	case DRM_FORMAT_XRGB2101010:
1848 	case DRM_FORMAT_ARGB2101010:
1849 		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1850 			     (GRPH_FORMAT_ARGB2101010 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1851 #ifdef __BIG_ENDIAN
1852 		fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1853 #endif
1854 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1855 		bypass_lut = true;
1856 		break;
1857 	case DRM_FORMAT_BGRX1010102:
1858 	case DRM_FORMAT_BGRA1010102:
1859 		fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1860 			     (GRPH_FORMAT_BGRA1010102 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1861 #ifdef __BIG_ENDIAN
1862 		fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1863 #endif
1864 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1865 		bypass_lut = true;
1866 		break;
1867 	default:
1868 		DRM_ERROR("Unsupported screen format %s\n",
1869 		          drm_get_format_name(target_fb->format->format, &format_name));
1870 		return -EINVAL;
1871 	}
1872 
1873 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1874 		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1875 
1876 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1877 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1878 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1879 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1880 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1881 
1882 		fb_format |= (num_banks << GRPH_CONTROL__GRPH_NUM_BANKS__SHIFT);
1883 		fb_format |= (GRPH_ARRAY_2D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1884 		fb_format |= (tile_split << GRPH_CONTROL__GRPH_TILE_SPLIT__SHIFT);
1885 		fb_format |= (bankw << GRPH_CONTROL__GRPH_BANK_WIDTH__SHIFT);
1886 		fb_format |= (bankh << GRPH_CONTROL__GRPH_BANK_HEIGHT__SHIFT);
1887 		fb_format |= (mtaspect << GRPH_CONTROL__GRPH_MACRO_TILE_ASPECT__SHIFT);
1888 		fb_format |= (DISPLAY_MICRO_TILING << GRPH_CONTROL__GRPH_MICRO_TILE_MODE__SHIFT);
1889 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1890 		fb_format |= (GRPH_ARRAY_1D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1891 	}
1892 
1893 	fb_format |= (pipe_config << GRPH_CONTROL__GRPH_PIPE_CONFIG__SHIFT);
1894 
1895 	dce_v8_0_vga_enable(crtc, false);
1896 
1897 	/* Make sure surface address is updated at vertical blank rather than
1898 	 * horizontal blank
1899 	 */
1900 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1901 
1902 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1903 	       upper_32_bits(fb_location));
1904 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1905 	       upper_32_bits(fb_location));
1906 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1907 	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1908 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1909 	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
1910 	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1911 	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1912 
1913 	/*
1914 	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1915 	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1916 	 * retain the full precision throughout the pipeline.
1917 	 */
1918 	WREG32_P(mmGRPH_LUT_10BIT_BYPASS_CONTROL + amdgpu_crtc->crtc_offset,
1919 		 (bypass_lut ? LUT_10BIT_BYPASS_EN : 0),
1920 		 ~LUT_10BIT_BYPASS_EN);
1921 
1922 	if (bypass_lut)
1923 		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1924 
1925 	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1926 	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1927 	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1928 	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1929 	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1930 	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1931 
1932 	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1933 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1934 
1935 	dce_v8_0_grph_enable(crtc, true);
1936 
1937 	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1938 	       target_fb->height);
1939 
1940 	x &= ~3;
1941 	y &= ~1;
1942 	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1943 	       (x << 16) | y);
1944 	viewport_w = crtc->mode.hdisplay;
1945 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1946 	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1947 	       (viewport_w << 16) | viewport_h);
1948 
1949 	/* set pageflip to happen anywhere in vblank interval */
1950 	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1951 
1952 	if (!atomic && fb && fb != crtc->primary->fb) {
1953 		abo = gem_to_amdgpu_bo(fb->obj[0]);
1954 		r = amdgpu_bo_reserve(abo, true);
1955 		if (unlikely(r != 0))
1956 			return r;
1957 		amdgpu_bo_unpin(abo);
1958 		amdgpu_bo_unreserve(abo);
1959 	}
1960 
1961 	/* Bytes per pixel may have changed */
1962 	dce_v8_0_bandwidth_update(adev);
1963 
1964 	return 0;
1965 }
1966 
1967 static void dce_v8_0_set_interleave(struct drm_crtc *crtc,
1968 				    struct drm_display_mode *mode)
1969 {
1970 	struct drm_device *dev = crtc->dev;
1971 	struct amdgpu_device *adev = dev->dev_private;
1972 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1973 
1974 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1975 		WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset,
1976 		       LB_DATA_FORMAT__INTERLEAVE_EN__SHIFT);
1977 	else
1978 		WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
1979 }
1980 
1981 static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
1982 {
1983 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1984 	struct drm_device *dev = crtc->dev;
1985 	struct amdgpu_device *adev = dev->dev_private;
1986 	u16 *r, *g, *b;
1987 	int i;
1988 
1989 	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
1990 
1991 	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
1992 	       ((INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
1993 		(INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
1994 	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
1995 	       PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
1996 	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
1997 	       PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
1998 	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
1999 	       ((INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2000 		(INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2001 
2002 	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2003 
2004 	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2005 	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2006 	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2007 
2008 	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2009 	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2010 	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2011 
2012 	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2013 	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2014 
2015 	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2016 	r = crtc->gamma_store;
2017 	g = r + crtc->gamma_size;
2018 	b = g + crtc->gamma_size;
2019 	for (i = 0; i < 256; i++) {
2020 		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2021 		       ((*r++ & 0xffc0) << 14) |
2022 		       ((*g++ & 0xffc0) << 4) |
2023 		       (*b++ >> 6));
2024 	}
2025 
2026 	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2027 	       ((DEGAMMA_BYPASS << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2028 		(DEGAMMA_BYPASS << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2029 		(DEGAMMA_BYPASS << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2030 	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2031 	       ((GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2032 		(GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2033 	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2034 	       ((REGAMMA_BYPASS << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2035 		(REGAMMA_BYPASS << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2036 	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2037 	       ((OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2038 		(OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2039 	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2040 	WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2041 	/* XXX this only needs to be programmed once per crtc at startup,
2042 	 * not sure where the best place for it is
2043 	 */
2044 	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset,
2045 	       ALPHA_CONTROL__CURSOR_ALPHA_BLND_ENA_MASK);
2046 }
2047 
2048 static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
2049 {
2050 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2051 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2052 
2053 	switch (amdgpu_encoder->encoder_id) {
2054 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2055 		if (dig->linkb)
2056 			return 1;
2057 		else
2058 			return 0;
2059 		break;
2060 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2061 		if (dig->linkb)
2062 			return 3;
2063 		else
2064 			return 2;
2065 		break;
2066 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2067 		if (dig->linkb)
2068 			return 5;
2069 		else
2070 			return 4;
2071 		break;
2072 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2073 		return 6;
2074 		break;
2075 	default:
2076 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2077 		return 0;
2078 	}
2079 }
2080 
2081 /**
2082  * dce_v8_0_pick_pll - Allocate a PPLL for use by the crtc.
2083  *
2084  * @crtc: drm crtc
2085  *
2086  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2087  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2088  * monitors a dedicated PPLL must be used.  If a particular board has
2089  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2090  * as there is no need to program the PLL itself.  If we are not able to
2091  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2092  * avoid messing up an existing monitor.
2093  *
2094  * Asic specific PLL information
2095  *
2096  * DCE 8.x
2097  * KB/KV
2098  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2099  * CI
2100  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2101  *
2102  */
2103 static u32 dce_v8_0_pick_pll(struct drm_crtc *crtc)
2104 {
2105 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2106 	struct drm_device *dev = crtc->dev;
2107 	struct amdgpu_device *adev = dev->dev_private;
2108 	u32 pll_in_use;
2109 	int pll;
2110 
2111 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2112 		if (adev->clock.dp_extclk)
2113 			/* skip PPLL programming if using ext clock */
2114 			return ATOM_PPLL_INVALID;
2115 		else {
2116 			/* use the same PPLL for all DP monitors */
2117 			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2118 			if (pll != ATOM_PPLL_INVALID)
2119 				return pll;
2120 		}
2121 	} else {
2122 		/* use the same PPLL for all monitors with the same clock */
2123 		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2124 		if (pll != ATOM_PPLL_INVALID)
2125 			return pll;
2126 	}
2127 	/* otherwise, pick one of the plls */
2128 	if ((adev->asic_type == CHIP_KABINI) ||
2129 	    (adev->asic_type == CHIP_MULLINS)) {
2130 		/* KB/ML has PPLL1 and PPLL2 */
2131 		pll_in_use = amdgpu_pll_get_use_mask(crtc);
2132 		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2133 			return ATOM_PPLL2;
2134 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2135 			return ATOM_PPLL1;
2136 		DRM_ERROR("unable to allocate a PPLL\n");
2137 		return ATOM_PPLL_INVALID;
2138 	} else {
2139 		/* CI/KV has PPLL0, PPLL1, and PPLL2 */
2140 		pll_in_use = amdgpu_pll_get_use_mask(crtc);
2141 		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2142 			return ATOM_PPLL2;
2143 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2144 			return ATOM_PPLL1;
2145 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2146 			return ATOM_PPLL0;
2147 		DRM_ERROR("unable to allocate a PPLL\n");
2148 		return ATOM_PPLL_INVALID;
2149 	}
2150 	return ATOM_PPLL_INVALID;
2151 }
2152 
2153 static void dce_v8_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2154 {
2155 	struct amdgpu_device *adev = crtc->dev->dev_private;
2156 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2157 	uint32_t cur_lock;
2158 
2159 	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2160 	if (lock)
2161 		cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2162 	else
2163 		cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2164 	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2165 }
2166 
2167 static void dce_v8_0_hide_cursor(struct drm_crtc *crtc)
2168 {
2169 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2170 	struct amdgpu_device *adev = crtc->dev->dev_private;
2171 
2172 	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2173 		   (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2174 		   (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2175 }
2176 
2177 static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
2178 {
2179 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2180 	struct amdgpu_device *adev = crtc->dev->dev_private;
2181 
2182 	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2183 	       upper_32_bits(amdgpu_crtc->cursor_addr));
2184 	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2185 	       lower_32_bits(amdgpu_crtc->cursor_addr));
2186 
2187 	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2188 		   CUR_CONTROL__CURSOR_EN_MASK |
2189 		   (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2190 		   (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2191 }
2192 
2193 static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
2194 				       int x, int y)
2195 {
2196 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2197 	struct amdgpu_device *adev = crtc->dev->dev_private;
2198 	int xorigin = 0, yorigin = 0;
2199 
2200 	amdgpu_crtc->cursor_x = x;
2201 	amdgpu_crtc->cursor_y = y;
2202 
2203 	/* avivo cursor are offset into the total surface */
2204 	x += crtc->x;
2205 	y += crtc->y;
2206 	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2207 
2208 	if (x < 0) {
2209 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2210 		x = 0;
2211 	}
2212 	if (y < 0) {
2213 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2214 		y = 0;
2215 	}
2216 
2217 	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2218 	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2219 	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2220 	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2221 
2222 	return 0;
2223 }
2224 
2225 static int dce_v8_0_crtc_cursor_move(struct drm_crtc *crtc,
2226 				     int x, int y)
2227 {
2228 	int ret;
2229 
2230 	dce_v8_0_lock_cursor(crtc, true);
2231 	ret = dce_v8_0_cursor_move_locked(crtc, x, y);
2232 	dce_v8_0_lock_cursor(crtc, false);
2233 
2234 	return ret;
2235 }
2236 
2237 static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,
2238 				     struct drm_file *file_priv,
2239 				     uint32_t handle,
2240 				     uint32_t width,
2241 				     uint32_t height,
2242 				     int32_t hot_x,
2243 				     int32_t hot_y)
2244 {
2245 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2246 	struct drm_gem_object *obj;
2247 	struct amdgpu_bo *aobj;
2248 	int ret;
2249 
2250 	if (!handle) {
2251 		/* turn off cursor */
2252 		dce_v8_0_hide_cursor(crtc);
2253 		obj = NULL;
2254 		goto unpin;
2255 	}
2256 
2257 	if ((width > amdgpu_crtc->max_cursor_width) ||
2258 	    (height > amdgpu_crtc->max_cursor_height)) {
2259 		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2260 		return -EINVAL;
2261 	}
2262 
2263 	obj = drm_gem_object_lookup(file_priv, handle);
2264 	if (!obj) {
2265 		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2266 		return -ENOENT;
2267 	}
2268 
2269 	aobj = gem_to_amdgpu_bo(obj);
2270 	ret = amdgpu_bo_reserve(aobj, false);
2271 	if (ret != 0) {
2272 		drm_gem_object_put_unlocked(obj);
2273 		return ret;
2274 	}
2275 
2276 	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2277 	amdgpu_bo_unreserve(aobj);
2278 	if (ret) {
2279 		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2280 		drm_gem_object_put_unlocked(obj);
2281 		return ret;
2282 	}
2283 	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2284 
2285 	dce_v8_0_lock_cursor(crtc, true);
2286 
2287 	if (width != amdgpu_crtc->cursor_width ||
2288 	    height != amdgpu_crtc->cursor_height ||
2289 	    hot_x != amdgpu_crtc->cursor_hot_x ||
2290 	    hot_y != amdgpu_crtc->cursor_hot_y) {
2291 		int x, y;
2292 
2293 		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2294 		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2295 
2296 		dce_v8_0_cursor_move_locked(crtc, x, y);
2297 
2298 		amdgpu_crtc->cursor_width = width;
2299 		amdgpu_crtc->cursor_height = height;
2300 		amdgpu_crtc->cursor_hot_x = hot_x;
2301 		amdgpu_crtc->cursor_hot_y = hot_y;
2302 	}
2303 
2304 	dce_v8_0_show_cursor(crtc);
2305 	dce_v8_0_lock_cursor(crtc, false);
2306 
2307 unpin:
2308 	if (amdgpu_crtc->cursor_bo) {
2309 		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2310 		ret = amdgpu_bo_reserve(aobj, true);
2311 		if (likely(ret == 0)) {
2312 			amdgpu_bo_unpin(aobj);
2313 			amdgpu_bo_unreserve(aobj);
2314 		}
2315 		drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2316 	}
2317 
2318 	amdgpu_crtc->cursor_bo = obj;
2319 	return 0;
2320 }
2321 
2322 static void dce_v8_0_cursor_reset(struct drm_crtc *crtc)
2323 {
2324 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2325 
2326 	if (amdgpu_crtc->cursor_bo) {
2327 		dce_v8_0_lock_cursor(crtc, true);
2328 
2329 		dce_v8_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2330 					    amdgpu_crtc->cursor_y);
2331 
2332 		dce_v8_0_show_cursor(crtc);
2333 
2334 		dce_v8_0_lock_cursor(crtc, false);
2335 	}
2336 }
2337 
2338 static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2339 				   u16 *blue, uint32_t size,
2340 				   struct drm_modeset_acquire_ctx *ctx)
2341 {
2342 	dce_v8_0_crtc_load_lut(crtc);
2343 
2344 	return 0;
2345 }
2346 
2347 static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc)
2348 {
2349 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2350 
2351 	drm_crtc_cleanup(crtc);
2352 	kfree(amdgpu_crtc);
2353 }
2354 
2355 static const struct drm_crtc_funcs dce_v8_0_crtc_funcs = {
2356 	.cursor_set2 = dce_v8_0_crtc_cursor_set2,
2357 	.cursor_move = dce_v8_0_crtc_cursor_move,
2358 	.gamma_set = dce_v8_0_crtc_gamma_set,
2359 	.set_config = amdgpu_display_crtc_set_config,
2360 	.destroy = dce_v8_0_crtc_destroy,
2361 	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2362 };
2363 
2364 static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2365 {
2366 	struct drm_device *dev = crtc->dev;
2367 	struct amdgpu_device *adev = dev->dev_private;
2368 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369 	unsigned type;
2370 
2371 	switch (mode) {
2372 	case DRM_MODE_DPMS_ON:
2373 		amdgpu_crtc->enabled = true;
2374 		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2375 		dce_v8_0_vga_enable(crtc, true);
2376 		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2377 		dce_v8_0_vga_enable(crtc, false);
2378 		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2379 		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2380 						amdgpu_crtc->crtc_id);
2381 		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2382 		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2383 		drm_crtc_vblank_on(crtc);
2384 		dce_v8_0_crtc_load_lut(crtc);
2385 		break;
2386 	case DRM_MODE_DPMS_STANDBY:
2387 	case DRM_MODE_DPMS_SUSPEND:
2388 	case DRM_MODE_DPMS_OFF:
2389 		drm_crtc_vblank_off(crtc);
2390 		if (amdgpu_crtc->enabled) {
2391 			dce_v8_0_vga_enable(crtc, true);
2392 			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2393 			dce_v8_0_vga_enable(crtc, false);
2394 		}
2395 		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2396 		amdgpu_crtc->enabled = false;
2397 		break;
2398 	}
2399 	/* adjust pm to dpms */
2400 	amdgpu_pm_compute_clocks(adev);
2401 }
2402 
2403 static void dce_v8_0_crtc_prepare(struct drm_crtc *crtc)
2404 {
2405 	/* disable crtc pair power gating before programming */
2406 	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2407 	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2408 	dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2409 }
2410 
2411 static void dce_v8_0_crtc_commit(struct drm_crtc *crtc)
2412 {
2413 	dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2414 	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2415 }
2416 
2417 static void dce_v8_0_crtc_disable(struct drm_crtc *crtc)
2418 {
2419 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2420 	struct drm_device *dev = crtc->dev;
2421 	struct amdgpu_device *adev = dev->dev_private;
2422 	struct amdgpu_atom_ss ss;
2423 	int i;
2424 
2425 	dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2426 	if (crtc->primary->fb) {
2427 		int r;
2428 		struct amdgpu_bo *abo;
2429 
2430 		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2431 		r = amdgpu_bo_reserve(abo, true);
2432 		if (unlikely(r))
2433 			DRM_ERROR("failed to reserve abo before unpin\n");
2434 		else {
2435 			amdgpu_bo_unpin(abo);
2436 			amdgpu_bo_unreserve(abo);
2437 		}
2438 	}
2439 	/* disable the GRPH */
2440 	dce_v8_0_grph_enable(crtc, false);
2441 
2442 	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2443 
2444 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2445 		if (adev->mode_info.crtcs[i] &&
2446 		    adev->mode_info.crtcs[i]->enabled &&
2447 		    i != amdgpu_crtc->crtc_id &&
2448 		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2449 			/* one other crtc is using this pll don't turn
2450 			 * off the pll
2451 			 */
2452 			goto done;
2453 		}
2454 	}
2455 
2456 	switch (amdgpu_crtc->pll_id) {
2457 	case ATOM_PPLL1:
2458 	case ATOM_PPLL2:
2459 		/* disable the ppll */
2460 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2461                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2462 		break;
2463 	case ATOM_PPLL0:
2464 		/* disable the ppll */
2465 		if ((adev->asic_type == CHIP_KAVERI) ||
2466 		    (adev->asic_type == CHIP_BONAIRE) ||
2467 		    (adev->asic_type == CHIP_HAWAII))
2468 			amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2469 						  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2470 		break;
2471 	default:
2472 		break;
2473 	}
2474 done:
2475 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2476 	amdgpu_crtc->adjusted_clock = 0;
2477 	amdgpu_crtc->encoder = NULL;
2478 	amdgpu_crtc->connector = NULL;
2479 }
2480 
2481 static int dce_v8_0_crtc_mode_set(struct drm_crtc *crtc,
2482 				  struct drm_display_mode *mode,
2483 				  struct drm_display_mode *adjusted_mode,
2484 				  int x, int y, struct drm_framebuffer *old_fb)
2485 {
2486 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2487 
2488 	if (!amdgpu_crtc->adjusted_clock)
2489 		return -EINVAL;
2490 
2491 	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2492 	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2493 	dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2494 	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2495 	amdgpu_atombios_crtc_scaler_setup(crtc);
2496 	dce_v8_0_cursor_reset(crtc);
2497 	/* update the hw version fpr dpm */
2498 	amdgpu_crtc->hw_mode = *adjusted_mode;
2499 
2500 	return 0;
2501 }
2502 
2503 static bool dce_v8_0_crtc_mode_fixup(struct drm_crtc *crtc,
2504 				     const struct drm_display_mode *mode,
2505 				     struct drm_display_mode *adjusted_mode)
2506 {
2507 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2508 	struct drm_device *dev = crtc->dev;
2509 	struct drm_encoder *encoder;
2510 
2511 	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2512 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2513 		if (encoder->crtc == crtc) {
2514 			amdgpu_crtc->encoder = encoder;
2515 			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2516 			break;
2517 		}
2518 	}
2519 	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2520 		amdgpu_crtc->encoder = NULL;
2521 		amdgpu_crtc->connector = NULL;
2522 		return false;
2523 	}
2524 	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2525 		return false;
2526 	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2527 		return false;
2528 	/* pick pll */
2529 	amdgpu_crtc->pll_id = dce_v8_0_pick_pll(crtc);
2530 	/* if we can't get a PPLL for a non-DP encoder, fail */
2531 	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2532 	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2533 		return false;
2534 
2535 	return true;
2536 }
2537 
2538 static int dce_v8_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2539 				  struct drm_framebuffer *old_fb)
2540 {
2541 	return dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2542 }
2543 
2544 static int dce_v8_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2545 					 struct drm_framebuffer *fb,
2546 					 int x, int y, enum mode_set_atomic state)
2547 {
2548        return dce_v8_0_crtc_do_set_base(crtc, fb, x, y, 1);
2549 }
2550 
2551 static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = {
2552 	.dpms = dce_v8_0_crtc_dpms,
2553 	.mode_fixup = dce_v8_0_crtc_mode_fixup,
2554 	.mode_set = dce_v8_0_crtc_mode_set,
2555 	.mode_set_base = dce_v8_0_crtc_set_base,
2556 	.mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic,
2557 	.prepare = dce_v8_0_crtc_prepare,
2558 	.commit = dce_v8_0_crtc_commit,
2559 	.disable = dce_v8_0_crtc_disable,
2560 };
2561 
2562 static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
2563 {
2564 	struct amdgpu_crtc *amdgpu_crtc;
2565 
2566 	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2567 			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2568 	if (amdgpu_crtc == NULL)
2569 		return -ENOMEM;
2570 
2571 	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v8_0_crtc_funcs);
2572 
2573 	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2574 	amdgpu_crtc->crtc_id = index;
2575 	adev->mode_info.crtcs[index] = amdgpu_crtc;
2576 
2577 	amdgpu_crtc->max_cursor_width = CIK_CURSOR_WIDTH;
2578 	amdgpu_crtc->max_cursor_height = CIK_CURSOR_HEIGHT;
2579 	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2580 	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2581 
2582 	amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2583 
2584 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2585 	amdgpu_crtc->adjusted_clock = 0;
2586 	amdgpu_crtc->encoder = NULL;
2587 	amdgpu_crtc->connector = NULL;
2588 	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs);
2589 
2590 	return 0;
2591 }
2592 
2593 static int dce_v8_0_early_init(void *handle)
2594 {
2595 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2596 
2597 	adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg;
2598 	adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg;
2599 
2600 	dce_v8_0_set_display_funcs(adev);
2601 
2602 	adev->mode_info.num_crtc = dce_v8_0_get_num_crtc(adev);
2603 
2604 	switch (adev->asic_type) {
2605 	case CHIP_BONAIRE:
2606 	case CHIP_HAWAII:
2607 		adev->mode_info.num_hpd = 6;
2608 		adev->mode_info.num_dig = 6;
2609 		break;
2610 	case CHIP_KAVERI:
2611 		adev->mode_info.num_hpd = 6;
2612 		adev->mode_info.num_dig = 7;
2613 		break;
2614 	case CHIP_KABINI:
2615 	case CHIP_MULLINS:
2616 		adev->mode_info.num_hpd = 6;
2617 		adev->mode_info.num_dig = 6; /* ? */
2618 		break;
2619 	default:
2620 		/* FIXME: not supported yet */
2621 		return -EINVAL;
2622 	}
2623 
2624 	dce_v8_0_set_irq_funcs(adev);
2625 
2626 	return 0;
2627 }
2628 
2629 static int dce_v8_0_sw_init(void *handle)
2630 {
2631 	int r, i;
2632 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2633 
2634 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2635 		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2636 		if (r)
2637 			return r;
2638 	}
2639 
2640 	for (i = 8; i < 20; i += 2) {
2641 		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2642 		if (r)
2643 			return r;
2644 	}
2645 
2646 	/* HPD hotplug */
2647 	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2648 	if (r)
2649 		return r;
2650 
2651 	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2652 
2653 	adev->ddev->mode_config.async_page_flip = true;
2654 
2655 	adev->ddev->mode_config.max_width = 16384;
2656 	adev->ddev->mode_config.max_height = 16384;
2657 
2658 	adev->ddev->mode_config.preferred_depth = 24;
2659 	adev->ddev->mode_config.prefer_shadow = 1;
2660 
2661 	adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2662 
2663 	r = amdgpu_display_modeset_create_props(adev);
2664 	if (r)
2665 		return r;
2666 
2667 	adev->ddev->mode_config.max_width = 16384;
2668 	adev->ddev->mode_config.max_height = 16384;
2669 
2670 	/* allocate crtcs */
2671 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2672 		r = dce_v8_0_crtc_init(adev, i);
2673 		if (r)
2674 			return r;
2675 	}
2676 
2677 	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2678 		amdgpu_display_print_display_setup(adev->ddev);
2679 	else
2680 		return -EINVAL;
2681 
2682 	/* setup afmt */
2683 	r = dce_v8_0_afmt_init(adev);
2684 	if (r)
2685 		return r;
2686 
2687 	r = dce_v8_0_audio_init(adev);
2688 	if (r)
2689 		return r;
2690 
2691 	drm_kms_helper_poll_init(adev->ddev);
2692 
2693 	adev->mode_info.mode_config_initialized = true;
2694 	return 0;
2695 }
2696 
2697 static int dce_v8_0_sw_fini(void *handle)
2698 {
2699 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2700 
2701 	kfree(adev->mode_info.bios_hardcoded_edid);
2702 
2703 	drm_kms_helper_poll_fini(adev->ddev);
2704 
2705 	dce_v8_0_audio_fini(adev);
2706 
2707 	dce_v8_0_afmt_fini(adev);
2708 
2709 	drm_mode_config_cleanup(adev->ddev);
2710 	adev->mode_info.mode_config_initialized = false;
2711 
2712 	return 0;
2713 }
2714 
2715 static int dce_v8_0_hw_init(void *handle)
2716 {
2717 	int i;
2718 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2719 
2720 	/* disable vga render */
2721 	dce_v8_0_set_vga_render_state(adev, false);
2722 	/* init dig PHYs, disp eng pll */
2723 	amdgpu_atombios_encoder_init_dig(adev);
2724 	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2725 
2726 	/* initialize hpd */
2727 	dce_v8_0_hpd_init(adev);
2728 
2729 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2730 		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2731 	}
2732 
2733 	dce_v8_0_pageflip_interrupt_init(adev);
2734 
2735 	return 0;
2736 }
2737 
2738 static int dce_v8_0_hw_fini(void *handle)
2739 {
2740 	int i;
2741 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2742 
2743 	dce_v8_0_hpd_fini(adev);
2744 
2745 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2746 		dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2747 	}
2748 
2749 	dce_v8_0_pageflip_interrupt_fini(adev);
2750 
2751 	return 0;
2752 }
2753 
2754 static int dce_v8_0_suspend(void *handle)
2755 {
2756 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2757 
2758 	adev->mode_info.bl_level =
2759 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2760 
2761 	return dce_v8_0_hw_fini(handle);
2762 }
2763 
2764 static int dce_v8_0_resume(void *handle)
2765 {
2766 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2767 	int ret;
2768 
2769 	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2770 							   adev->mode_info.bl_level);
2771 
2772 	ret = dce_v8_0_hw_init(handle);
2773 
2774 	/* turn on the BL */
2775 	if (adev->mode_info.bl_encoder) {
2776 		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2777 								  adev->mode_info.bl_encoder);
2778 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2779 						    bl_level);
2780 	}
2781 
2782 	return ret;
2783 }
2784 
2785 static bool dce_v8_0_is_idle(void *handle)
2786 {
2787 	return true;
2788 }
2789 
2790 static int dce_v8_0_wait_for_idle(void *handle)
2791 {
2792 	return 0;
2793 }
2794 
2795 static int dce_v8_0_soft_reset(void *handle)
2796 {
2797 	u32 srbm_soft_reset = 0, tmp;
2798 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2799 
2800 	if (dce_v8_0_is_display_hung(adev))
2801 		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2802 
2803 	if (srbm_soft_reset) {
2804 		tmp = RREG32(mmSRBM_SOFT_RESET);
2805 		tmp |= srbm_soft_reset;
2806 		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2807 		WREG32(mmSRBM_SOFT_RESET, tmp);
2808 		tmp = RREG32(mmSRBM_SOFT_RESET);
2809 
2810 		udelay(50);
2811 
2812 		tmp &= ~srbm_soft_reset;
2813 		WREG32(mmSRBM_SOFT_RESET, tmp);
2814 		tmp = RREG32(mmSRBM_SOFT_RESET);
2815 
2816 		/* Wait a little for things to settle down */
2817 		udelay(50);
2818 	}
2819 	return 0;
2820 }
2821 
2822 static void dce_v8_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2823 						     int crtc,
2824 						     enum amdgpu_interrupt_state state)
2825 {
2826 	u32 reg_block, lb_interrupt_mask;
2827 
2828 	if (crtc >= adev->mode_info.num_crtc) {
2829 		DRM_DEBUG("invalid crtc %d\n", crtc);
2830 		return;
2831 	}
2832 
2833 	switch (crtc) {
2834 	case 0:
2835 		reg_block = CRTC0_REGISTER_OFFSET;
2836 		break;
2837 	case 1:
2838 		reg_block = CRTC1_REGISTER_OFFSET;
2839 		break;
2840 	case 2:
2841 		reg_block = CRTC2_REGISTER_OFFSET;
2842 		break;
2843 	case 3:
2844 		reg_block = CRTC3_REGISTER_OFFSET;
2845 		break;
2846 	case 4:
2847 		reg_block = CRTC4_REGISTER_OFFSET;
2848 		break;
2849 	case 5:
2850 		reg_block = CRTC5_REGISTER_OFFSET;
2851 		break;
2852 	default:
2853 		DRM_DEBUG("invalid crtc %d\n", crtc);
2854 		return;
2855 	}
2856 
2857 	switch (state) {
2858 	case AMDGPU_IRQ_STATE_DISABLE:
2859 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2860 		lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2861 		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2862 		break;
2863 	case AMDGPU_IRQ_STATE_ENABLE:
2864 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2865 		lb_interrupt_mask |= LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2866 		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2867 		break;
2868 	default:
2869 		break;
2870 	}
2871 }
2872 
2873 static void dce_v8_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2874 						    int crtc,
2875 						    enum amdgpu_interrupt_state state)
2876 {
2877 	u32 reg_block, lb_interrupt_mask;
2878 
2879 	if (crtc >= adev->mode_info.num_crtc) {
2880 		DRM_DEBUG("invalid crtc %d\n", crtc);
2881 		return;
2882 	}
2883 
2884 	switch (crtc) {
2885 	case 0:
2886 		reg_block = CRTC0_REGISTER_OFFSET;
2887 		break;
2888 	case 1:
2889 		reg_block = CRTC1_REGISTER_OFFSET;
2890 		break;
2891 	case 2:
2892 		reg_block = CRTC2_REGISTER_OFFSET;
2893 		break;
2894 	case 3:
2895 		reg_block = CRTC3_REGISTER_OFFSET;
2896 		break;
2897 	case 4:
2898 		reg_block = CRTC4_REGISTER_OFFSET;
2899 		break;
2900 	case 5:
2901 		reg_block = CRTC5_REGISTER_OFFSET;
2902 		break;
2903 	default:
2904 		DRM_DEBUG("invalid crtc %d\n", crtc);
2905 		return;
2906 	}
2907 
2908 	switch (state) {
2909 	case AMDGPU_IRQ_STATE_DISABLE:
2910 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2911 		lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2912 		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2913 		break;
2914 	case AMDGPU_IRQ_STATE_ENABLE:
2915 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2916 		lb_interrupt_mask |= LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2917 		WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2918 		break;
2919 	default:
2920 		break;
2921 	}
2922 }
2923 
2924 static int dce_v8_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2925 					    struct amdgpu_irq_src *src,
2926 					    unsigned type,
2927 					    enum amdgpu_interrupt_state state)
2928 {
2929 	u32 dc_hpd_int_cntl;
2930 
2931 	if (type >= adev->mode_info.num_hpd) {
2932 		DRM_DEBUG("invalid hdp %d\n", type);
2933 		return 0;
2934 	}
2935 
2936 	switch (state) {
2937 	case AMDGPU_IRQ_STATE_DISABLE:
2938 		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2939 		dc_hpd_int_cntl &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
2940 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2941 		break;
2942 	case AMDGPU_IRQ_STATE_ENABLE:
2943 		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2944 		dc_hpd_int_cntl |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
2945 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2946 		break;
2947 	default:
2948 		break;
2949 	}
2950 
2951 	return 0;
2952 }
2953 
2954 static int dce_v8_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2955 					     struct amdgpu_irq_src *src,
2956 					     unsigned type,
2957 					     enum amdgpu_interrupt_state state)
2958 {
2959 	switch (type) {
2960 	case AMDGPU_CRTC_IRQ_VBLANK1:
2961 		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2962 		break;
2963 	case AMDGPU_CRTC_IRQ_VBLANK2:
2964 		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2965 		break;
2966 	case AMDGPU_CRTC_IRQ_VBLANK3:
2967 		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2968 		break;
2969 	case AMDGPU_CRTC_IRQ_VBLANK4:
2970 		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2971 		break;
2972 	case AMDGPU_CRTC_IRQ_VBLANK5:
2973 		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2974 		break;
2975 	case AMDGPU_CRTC_IRQ_VBLANK6:
2976 		dce_v8_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2977 		break;
2978 	case AMDGPU_CRTC_IRQ_VLINE1:
2979 		dce_v8_0_set_crtc_vline_interrupt_state(adev, 0, state);
2980 		break;
2981 	case AMDGPU_CRTC_IRQ_VLINE2:
2982 		dce_v8_0_set_crtc_vline_interrupt_state(adev, 1, state);
2983 		break;
2984 	case AMDGPU_CRTC_IRQ_VLINE3:
2985 		dce_v8_0_set_crtc_vline_interrupt_state(adev, 2, state);
2986 		break;
2987 	case AMDGPU_CRTC_IRQ_VLINE4:
2988 		dce_v8_0_set_crtc_vline_interrupt_state(adev, 3, state);
2989 		break;
2990 	case AMDGPU_CRTC_IRQ_VLINE5:
2991 		dce_v8_0_set_crtc_vline_interrupt_state(adev, 4, state);
2992 		break;
2993 	case AMDGPU_CRTC_IRQ_VLINE6:
2994 		dce_v8_0_set_crtc_vline_interrupt_state(adev, 5, state);
2995 		break;
2996 	default:
2997 		break;
2998 	}
2999 	return 0;
3000 }
3001 
3002 static int dce_v8_0_crtc_irq(struct amdgpu_device *adev,
3003 			     struct amdgpu_irq_src *source,
3004 			     struct amdgpu_iv_entry *entry)
3005 {
3006 	unsigned crtc = entry->src_id - 1;
3007 	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3008 	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3009 								    crtc);
3010 
3011 	switch (entry->src_data[0]) {
3012 	case 0: /* vblank */
3013 		if (disp_int & interrupt_status_offsets[crtc].vblank)
3014 			WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK);
3015 		else
3016 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3017 
3018 		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3019 			drm_handle_vblank(adev->ddev, crtc);
3020 		}
3021 		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3022 		break;
3023 	case 1: /* vline */
3024 		if (disp_int & interrupt_status_offsets[crtc].vline)
3025 			WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK);
3026 		else
3027 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3028 
3029 		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3030 		break;
3031 	default:
3032 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3033 		break;
3034 	}
3035 
3036 	return 0;
3037 }
3038 
3039 static int dce_v8_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3040 						 struct amdgpu_irq_src *src,
3041 						 unsigned type,
3042 						 enum amdgpu_interrupt_state state)
3043 {
3044 	u32 reg;
3045 
3046 	if (type >= adev->mode_info.num_crtc) {
3047 		DRM_ERROR("invalid pageflip crtc %d\n", type);
3048 		return -EINVAL;
3049 	}
3050 
3051 	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3052 	if (state == AMDGPU_IRQ_STATE_DISABLE)
3053 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3054 		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3055 	else
3056 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3057 		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3058 
3059 	return 0;
3060 }
3061 
3062 static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev,
3063 				struct amdgpu_irq_src *source,
3064 				struct amdgpu_iv_entry *entry)
3065 {
3066 	unsigned long flags;
3067 	unsigned crtc_id;
3068 	struct amdgpu_crtc *amdgpu_crtc;
3069 	struct amdgpu_flip_work *works;
3070 
3071 	crtc_id = (entry->src_id - 8) >> 1;
3072 	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3073 
3074 	if (crtc_id >= adev->mode_info.num_crtc) {
3075 		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3076 		return -EINVAL;
3077 	}
3078 
3079 	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3080 	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3081 		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3082 		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3083 
3084 	/* IRQ could occur when in initial stage */
3085 	if (amdgpu_crtc == NULL)
3086 		return 0;
3087 
3088 	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3089 	works = amdgpu_crtc->pflip_works;
3090 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3091 		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3092 						"AMDGPU_FLIP_SUBMITTED(%d)\n",
3093 						amdgpu_crtc->pflip_status,
3094 						AMDGPU_FLIP_SUBMITTED);
3095 		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3096 		return 0;
3097 	}
3098 
3099 	/* page flip completed. clean up */
3100 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3101 	amdgpu_crtc->pflip_works = NULL;
3102 
3103 	/* wakeup usersapce */
3104 	if (works->event)
3105 		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3106 
3107 	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3108 
3109 	drm_crtc_vblank_put(&amdgpu_crtc->base);
3110 	schedule_work(&works->unpin_work);
3111 
3112 	return 0;
3113 }
3114 
3115 static int dce_v8_0_hpd_irq(struct amdgpu_device *adev,
3116 			    struct amdgpu_irq_src *source,
3117 			    struct amdgpu_iv_entry *entry)
3118 {
3119 	uint32_t disp_int, mask, tmp;
3120 	unsigned hpd;
3121 
3122 	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3123 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3124 		return 0;
3125 	}
3126 
3127 	hpd = entry->src_data[0];
3128 	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3129 	mask = interrupt_status_offsets[hpd].hpd;
3130 
3131 	if (disp_int & mask) {
3132 		tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3133 		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3134 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3135 		schedule_work(&adev->hotplug_work);
3136 		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3137 	}
3138 
3139 	return 0;
3140 
3141 }
3142 
3143 static int dce_v8_0_set_clockgating_state(void *handle,
3144 					  enum amd_clockgating_state state)
3145 {
3146 	return 0;
3147 }
3148 
3149 static int dce_v8_0_set_powergating_state(void *handle,
3150 					  enum amd_powergating_state state)
3151 {
3152 	return 0;
3153 }
3154 
3155 static const struct amd_ip_funcs dce_v8_0_ip_funcs = {
3156 	.name = "dce_v8_0",
3157 	.early_init = dce_v8_0_early_init,
3158 	.late_init = NULL,
3159 	.sw_init = dce_v8_0_sw_init,
3160 	.sw_fini = dce_v8_0_sw_fini,
3161 	.hw_init = dce_v8_0_hw_init,
3162 	.hw_fini = dce_v8_0_hw_fini,
3163 	.suspend = dce_v8_0_suspend,
3164 	.resume = dce_v8_0_resume,
3165 	.is_idle = dce_v8_0_is_idle,
3166 	.wait_for_idle = dce_v8_0_wait_for_idle,
3167 	.soft_reset = dce_v8_0_soft_reset,
3168 	.set_clockgating_state = dce_v8_0_set_clockgating_state,
3169 	.set_powergating_state = dce_v8_0_set_powergating_state,
3170 };
3171 
3172 static void
3173 dce_v8_0_encoder_mode_set(struct drm_encoder *encoder,
3174 			  struct drm_display_mode *mode,
3175 			  struct drm_display_mode *adjusted_mode)
3176 {
3177 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3178 
3179 	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3180 
3181 	/* need to call this here rather than in prepare() since we need some crtc info */
3182 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3183 
3184 	/* set scaler clears this on some chips */
3185 	dce_v8_0_set_interleave(encoder->crtc, mode);
3186 
3187 	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3188 		dce_v8_0_afmt_enable(encoder, true);
3189 		dce_v8_0_afmt_setmode(encoder, adjusted_mode);
3190 	}
3191 }
3192 
3193 static void dce_v8_0_encoder_prepare(struct drm_encoder *encoder)
3194 {
3195 	struct amdgpu_device *adev = encoder->dev->dev_private;
3196 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3197 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3198 
3199 	if ((amdgpu_encoder->active_device &
3200 	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3201 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3202 	     ENCODER_OBJECT_ID_NONE)) {
3203 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3204 		if (dig) {
3205 			dig->dig_encoder = dce_v8_0_pick_dig_encoder(encoder);
3206 			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3207 				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3208 		}
3209 	}
3210 
3211 	amdgpu_atombios_scratch_regs_lock(adev, true);
3212 
3213 	if (connector) {
3214 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3215 
3216 		/* select the clock/data port if it uses a router */
3217 		if (amdgpu_connector->router.cd_valid)
3218 			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3219 
3220 		/* turn eDP panel on for mode set */
3221 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3222 			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3223 							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3224 	}
3225 
3226 	/* this is needed for the pll/ss setup to work correctly in some cases */
3227 	amdgpu_atombios_encoder_set_crtc_source(encoder);
3228 	/* set up the FMT blocks */
3229 	dce_v8_0_program_fmt(encoder);
3230 }
3231 
3232 static void dce_v8_0_encoder_commit(struct drm_encoder *encoder)
3233 {
3234 	struct drm_device *dev = encoder->dev;
3235 	struct amdgpu_device *adev = dev->dev_private;
3236 
3237 	/* need to call this here as we need the crtc set up */
3238 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3239 	amdgpu_atombios_scratch_regs_lock(adev, false);
3240 }
3241 
3242 static void dce_v8_0_encoder_disable(struct drm_encoder *encoder)
3243 {
3244 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3245 	struct amdgpu_encoder_atom_dig *dig;
3246 
3247 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3248 
3249 	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3250 		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3251 			dce_v8_0_afmt_enable(encoder, false);
3252 		dig = amdgpu_encoder->enc_priv;
3253 		dig->dig_encoder = -1;
3254 	}
3255 	amdgpu_encoder->active_device = 0;
3256 }
3257 
3258 /* these are handled by the primary encoders */
3259 static void dce_v8_0_ext_prepare(struct drm_encoder *encoder)
3260 {
3261 
3262 }
3263 
3264 static void dce_v8_0_ext_commit(struct drm_encoder *encoder)
3265 {
3266 
3267 }
3268 
3269 static void
3270 dce_v8_0_ext_mode_set(struct drm_encoder *encoder,
3271 		      struct drm_display_mode *mode,
3272 		      struct drm_display_mode *adjusted_mode)
3273 {
3274 
3275 }
3276 
3277 static void dce_v8_0_ext_disable(struct drm_encoder *encoder)
3278 {
3279 
3280 }
3281 
3282 static void
3283 dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode)
3284 {
3285 
3286 }
3287 
3288 static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = {
3289 	.dpms = dce_v8_0_ext_dpms,
3290 	.prepare = dce_v8_0_ext_prepare,
3291 	.mode_set = dce_v8_0_ext_mode_set,
3292 	.commit = dce_v8_0_ext_commit,
3293 	.disable = dce_v8_0_ext_disable,
3294 	/* no detect for TMDS/LVDS yet */
3295 };
3296 
3297 static const struct drm_encoder_helper_funcs dce_v8_0_dig_helper_funcs = {
3298 	.dpms = amdgpu_atombios_encoder_dpms,
3299 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3300 	.prepare = dce_v8_0_encoder_prepare,
3301 	.mode_set = dce_v8_0_encoder_mode_set,
3302 	.commit = dce_v8_0_encoder_commit,
3303 	.disable = dce_v8_0_encoder_disable,
3304 	.detect = amdgpu_atombios_encoder_dig_detect,
3305 };
3306 
3307 static const struct drm_encoder_helper_funcs dce_v8_0_dac_helper_funcs = {
3308 	.dpms = amdgpu_atombios_encoder_dpms,
3309 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3310 	.prepare = dce_v8_0_encoder_prepare,
3311 	.mode_set = dce_v8_0_encoder_mode_set,
3312 	.commit = dce_v8_0_encoder_commit,
3313 	.detect = amdgpu_atombios_encoder_dac_detect,
3314 };
3315 
3316 static void dce_v8_0_encoder_destroy(struct drm_encoder *encoder)
3317 {
3318 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3319 	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3320 		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3321 	kfree(amdgpu_encoder->enc_priv);
3322 	drm_encoder_cleanup(encoder);
3323 	kfree(amdgpu_encoder);
3324 }
3325 
3326 static const struct drm_encoder_funcs dce_v8_0_encoder_funcs = {
3327 	.destroy = dce_v8_0_encoder_destroy,
3328 };
3329 
3330 static void dce_v8_0_encoder_add(struct amdgpu_device *adev,
3331 				 uint32_t encoder_enum,
3332 				 uint32_t supported_device,
3333 				 u16 caps)
3334 {
3335 	struct drm_device *dev = adev->ddev;
3336 	struct drm_encoder *encoder;
3337 	struct amdgpu_encoder *amdgpu_encoder;
3338 
3339 	/* see if we already added it */
3340 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3341 		amdgpu_encoder = to_amdgpu_encoder(encoder);
3342 		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3343 			amdgpu_encoder->devices |= supported_device;
3344 			return;
3345 		}
3346 
3347 	}
3348 
3349 	/* add a new one */
3350 	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3351 	if (!amdgpu_encoder)
3352 		return;
3353 
3354 	encoder = &amdgpu_encoder->base;
3355 	switch (adev->mode_info.num_crtc) {
3356 	case 1:
3357 		encoder->possible_crtcs = 0x1;
3358 		break;
3359 	case 2:
3360 	default:
3361 		encoder->possible_crtcs = 0x3;
3362 		break;
3363 	case 4:
3364 		encoder->possible_crtcs = 0xf;
3365 		break;
3366 	case 6:
3367 		encoder->possible_crtcs = 0x3f;
3368 		break;
3369 	}
3370 
3371 	amdgpu_encoder->enc_priv = NULL;
3372 
3373 	amdgpu_encoder->encoder_enum = encoder_enum;
3374 	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3375 	amdgpu_encoder->devices = supported_device;
3376 	amdgpu_encoder->rmx_type = RMX_OFF;
3377 	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3378 	amdgpu_encoder->is_ext_encoder = false;
3379 	amdgpu_encoder->caps = caps;
3380 
3381 	switch (amdgpu_encoder->encoder_id) {
3382 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3383 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3384 		drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3385 				 DRM_MODE_ENCODER_DAC, NULL);
3386 		drm_encoder_helper_add(encoder, &dce_v8_0_dac_helper_funcs);
3387 		break;
3388 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3389 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3390 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3391 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3392 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3393 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3394 			amdgpu_encoder->rmx_type = RMX_FULL;
3395 			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3396 					 DRM_MODE_ENCODER_LVDS, NULL);
3397 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3398 		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3399 			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3400 					 DRM_MODE_ENCODER_DAC, NULL);
3401 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3402 		} else {
3403 			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3404 					 DRM_MODE_ENCODER_TMDS, NULL);
3405 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3406 		}
3407 		drm_encoder_helper_add(encoder, &dce_v8_0_dig_helper_funcs);
3408 		break;
3409 	case ENCODER_OBJECT_ID_SI170B:
3410 	case ENCODER_OBJECT_ID_CH7303:
3411 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3412 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3413 	case ENCODER_OBJECT_ID_TITFP513:
3414 	case ENCODER_OBJECT_ID_VT1623:
3415 	case ENCODER_OBJECT_ID_HDMI_SI1930:
3416 	case ENCODER_OBJECT_ID_TRAVIS:
3417 	case ENCODER_OBJECT_ID_NUTMEG:
3418 		/* these are handled by the primary encoders */
3419 		amdgpu_encoder->is_ext_encoder = true;
3420 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3421 			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3422 					 DRM_MODE_ENCODER_LVDS, NULL);
3423 		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3424 			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3425 					 DRM_MODE_ENCODER_DAC, NULL);
3426 		else
3427 			drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3428 					 DRM_MODE_ENCODER_TMDS, NULL);
3429 		drm_encoder_helper_add(encoder, &dce_v8_0_ext_helper_funcs);
3430 		break;
3431 	}
3432 }
3433 
3434 static const struct amdgpu_display_funcs dce_v8_0_display_funcs = {
3435 	.bandwidth_update = &dce_v8_0_bandwidth_update,
3436 	.vblank_get_counter = &dce_v8_0_vblank_get_counter,
3437 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3438 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3439 	.hpd_sense = &dce_v8_0_hpd_sense,
3440 	.hpd_set_polarity = &dce_v8_0_hpd_set_polarity,
3441 	.hpd_get_gpio_reg = &dce_v8_0_hpd_get_gpio_reg,
3442 	.page_flip = &dce_v8_0_page_flip,
3443 	.page_flip_get_scanoutpos = &dce_v8_0_crtc_get_scanoutpos,
3444 	.add_encoder = &dce_v8_0_encoder_add,
3445 	.add_connector = &amdgpu_connector_add,
3446 };
3447 
3448 static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev)
3449 {
3450 	if (adev->mode_info.funcs == NULL)
3451 		adev->mode_info.funcs = &dce_v8_0_display_funcs;
3452 }
3453 
3454 static const struct amdgpu_irq_src_funcs dce_v8_0_crtc_irq_funcs = {
3455 	.set = dce_v8_0_set_crtc_interrupt_state,
3456 	.process = dce_v8_0_crtc_irq,
3457 };
3458 
3459 static const struct amdgpu_irq_src_funcs dce_v8_0_pageflip_irq_funcs = {
3460 	.set = dce_v8_0_set_pageflip_interrupt_state,
3461 	.process = dce_v8_0_pageflip_irq,
3462 };
3463 
3464 static const struct amdgpu_irq_src_funcs dce_v8_0_hpd_irq_funcs = {
3465 	.set = dce_v8_0_set_hpd_interrupt_state,
3466 	.process = dce_v8_0_hpd_irq,
3467 };
3468 
3469 static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev)
3470 {
3471 	if (adev->mode_info.num_crtc > 0)
3472 		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3473 	else
3474 		adev->crtc_irq.num_types = 0;
3475 	adev->crtc_irq.funcs = &dce_v8_0_crtc_irq_funcs;
3476 
3477 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3478 	adev->pageflip_irq.funcs = &dce_v8_0_pageflip_irq_funcs;
3479 
3480 	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3481 	adev->hpd_irq.funcs = &dce_v8_0_hpd_irq_funcs;
3482 }
3483 
3484 const struct amdgpu_ip_block_version dce_v8_0_ip_block =
3485 {
3486 	.type = AMD_IP_BLOCK_TYPE_DCE,
3487 	.major = 8,
3488 	.minor = 0,
3489 	.rev = 0,
3490 	.funcs = &dce_v8_0_ip_funcs,
3491 };
3492 
3493 const struct amdgpu_ip_block_version dce_v8_1_ip_block =
3494 {
3495 	.type = AMD_IP_BLOCK_TYPE_DCE,
3496 	.major = 8,
3497 	.minor = 1,
3498 	.rev = 0,
3499 	.funcs = &dce_v8_0_ip_funcs,
3500 };
3501 
3502 const struct amdgpu_ip_block_version dce_v8_2_ip_block =
3503 {
3504 	.type = AMD_IP_BLOCK_TYPE_DCE,
3505 	.major = 8,
3506 	.minor = 2,
3507 	.rev = 0,
3508 	.funcs = &dce_v8_0_ip_funcs,
3509 };
3510 
3511 const struct amdgpu_ip_block_version dce_v8_3_ip_block =
3512 {
3513 	.type = AMD_IP_BLOCK_TYPE_DCE,
3514 	.major = 8,
3515 	.minor = 3,
3516 	.rev = 0,
3517 	.funcs = &dce_v8_0_ip_funcs,
3518 };
3519 
3520 const struct amdgpu_ip_block_version dce_v8_5_ip_block =
3521 {
3522 	.type = AMD_IP_BLOCK_TYPE_DCE,
3523 	.major = 8,
3524 	.minor = 5,
3525 	.rev = 0,
3526 	.funcs = &dce_v8_0_ip_funcs,
3527 };
3528