xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c (revision 278d3ba6)
1 /*
2  * Copyright 2015 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/pci.h>
25 
26 #include <drm/drm_fourcc.h>
27 #include <drm/drm_vblank.h>
28 
29 #include "amdgpu.h"
30 #include "amdgpu_pm.h"
31 #include "amdgpu_i2c.h"
32 #include "atom.h"
33 #include "amdgpu_atombios.h"
34 #include "atombios_crtc.h"
35 #include "atombios_encoders.h"
36 #include "amdgpu_pll.h"
37 #include "amdgpu_connectors.h"
38 #include "amdgpu_display.h"
39 
40 #include "bif/bif_3_0_d.h"
41 #include "bif/bif_3_0_sh_mask.h"
42 #include "oss/oss_1_0_d.h"
43 #include "oss/oss_1_0_sh_mask.h"
44 #include "gca/gfx_6_0_d.h"
45 #include "gca/gfx_6_0_sh_mask.h"
46 #include "gmc/gmc_6_0_d.h"
47 #include "gmc/gmc_6_0_sh_mask.h"
48 #include "dce/dce_6_0_d.h"
49 #include "dce/dce_6_0_sh_mask.h"
50 #include "gca/gfx_7_2_enum.h"
51 #include "dce_v6_0.h"
52 #include "si_enums.h"
53 
54 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
55 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
56 
57 static const u32 crtc_offsets[6] =
58 {
59 	SI_CRTC0_REGISTER_OFFSET,
60 	SI_CRTC1_REGISTER_OFFSET,
61 	SI_CRTC2_REGISTER_OFFSET,
62 	SI_CRTC3_REGISTER_OFFSET,
63 	SI_CRTC4_REGISTER_OFFSET,
64 	SI_CRTC5_REGISTER_OFFSET
65 };
66 
67 static const u32 hpd_offsets[] =
68 {
69 	mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
70 	mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
71 	mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
72 	mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 	mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 	mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 };
76 
77 static const uint32_t dig_offsets[] = {
78 	SI_CRTC0_REGISTER_OFFSET,
79 	SI_CRTC1_REGISTER_OFFSET,
80 	SI_CRTC2_REGISTER_OFFSET,
81 	SI_CRTC3_REGISTER_OFFSET,
82 	SI_CRTC4_REGISTER_OFFSET,
83 	SI_CRTC5_REGISTER_OFFSET,
84 	(0x13830 - 0x7030) >> 2,
85 };
86 
87 static const struct {
88 	uint32_t	reg;
89 	uint32_t	vblank;
90 	uint32_t	vline;
91 	uint32_t	hpd;
92 
93 } interrupt_status_offsets[6] = { {
94 	.reg = mmDISP_INTERRUPT_STATUS,
95 	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
96 	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
97 	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
98 }, {
99 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
100 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
101 	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
102 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
103 }, {
104 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
105 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
106 	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
107 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
108 }, {
109 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
110 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
111 	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
112 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
113 }, {
114 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
115 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
116 	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
117 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
118 }, {
119 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
120 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
121 	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
122 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
123 } };
124 
125 static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
126 				     u32 block_offset, u32 reg)
127 {
128 	unsigned long flags;
129 	u32 r;
130 
131 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
132 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
133 	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
134 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
135 
136 	return r;
137 }
138 
139 static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
140 				      u32 block_offset, u32 reg, u32 v)
141 {
142 	unsigned long flags;
143 
144 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
145 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
146 		reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
147 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
148 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
149 }
150 
151 static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
152 {
153 	if (crtc >= adev->mode_info.num_crtc)
154 		return 0;
155 	else
156 		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
157 }
158 
159 static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
160 {
161 	unsigned i;
162 
163 	/* Enable pflip interrupts */
164 	for (i = 0; i < adev->mode_info.num_crtc; i++)
165 		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
166 }
167 
168 static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
169 {
170 	unsigned i;
171 
172 	/* Disable pflip interrupts */
173 	for (i = 0; i < adev->mode_info.num_crtc; i++)
174 		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
175 }
176 
177 /**
178  * dce_v6_0_page_flip - pageflip callback.
179  *
180  * @adev: amdgpu_device pointer
181  * @crtc_id: crtc to cleanup pageflip on
182  * @crtc_base: new address of the crtc (GPU MC address)
183  * @async: asynchronous flip
184  *
185  * Does the actual pageflip (evergreen+).
186  * During vblank we take the crtc lock and wait for the update_pending
187  * bit to go high, when it does, we release the lock, and allow the
188  * double buffered update to take place.
189  * Returns the current update pending status.
190  */
191 static void dce_v6_0_page_flip(struct amdgpu_device *adev,
192 			       int crtc_id, u64 crtc_base, bool async)
193 {
194 	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
195 	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
196 
197 	/* flip at hsync for async, default is vsync */
198 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
199 	       GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
200 	/* update pitch */
201 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
202 	       fb->pitches[0] / fb->format->cpp[0]);
203 	/* update the scanout addresses */
204 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
205 	       upper_32_bits(crtc_base));
206 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
207 	       (u32)crtc_base);
208 
209 	/* post the write */
210 	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
211 }
212 
213 static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
214 					u32 *vbl, u32 *position)
215 {
216 	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
217 		return -EINVAL;
218 	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
219 	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
220 
221 	return 0;
222 
223 }
224 
225 /**
226  * dce_v6_0_hpd_sense - hpd sense callback.
227  *
228  * @adev: amdgpu_device pointer
229  * @hpd: hpd (hotplug detect) pin
230  *
231  * Checks if a digital monitor is connected (evergreen+).
232  * Returns true if connected, false if not connected.
233  */
234 static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
235 			       enum amdgpu_hpd_id hpd)
236 {
237 	bool connected = false;
238 
239 	if (hpd >= adev->mode_info.num_hpd)
240 		return connected;
241 
242 	if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
243 		connected = true;
244 
245 	return connected;
246 }
247 
248 /**
249  * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
250  *
251  * @adev: amdgpu_device pointer
252  * @hpd: hpd (hotplug detect) pin
253  *
254  * Set the polarity of the hpd pin (evergreen+).
255  */
256 static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
257 				      enum amdgpu_hpd_id hpd)
258 {
259 	u32 tmp;
260 	bool connected = dce_v6_0_hpd_sense(adev, hpd);
261 
262 	if (hpd >= adev->mode_info.num_hpd)
263 		return;
264 
265 	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
266 	if (connected)
267 		tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
268 	else
269 		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
270 	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
271 }
272 
273 /**
274  * dce_v6_0_hpd_init - hpd setup callback.
275  *
276  * @adev: amdgpu_device pointer
277  *
278  * Setup the hpd pins used by the card (evergreen+).
279  * Enable the pin, set the polarity, and enable the hpd interrupts.
280  */
281 static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
282 {
283 	struct drm_device *dev = adev_to_drm(adev);
284 	struct drm_connector *connector;
285 	struct drm_connector_list_iter iter;
286 	u32 tmp;
287 
288 	drm_connector_list_iter_begin(dev, &iter);
289 	drm_for_each_connector_iter(connector, &iter) {
290 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
291 
292 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
293 			continue;
294 
295 		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
296 		tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
297 		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
298 
299 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
300 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
301 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
302 			 * aux dp channel on imac and help (but not completely fix)
303 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
304 			 * also avoid interrupt storms during dpms.
305 			 */
306 			tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
307 			tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
308 			WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
309 			continue;
310 		}
311 
312 		dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
313 		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
314 	}
315 	drm_connector_list_iter_end(&iter);
316 }
317 
318 /**
319  * dce_v6_0_hpd_fini - hpd tear down callback.
320  *
321  * @adev: amdgpu_device pointer
322  *
323  * Tear down the hpd pins used by the card (evergreen+).
324  * Disable the hpd interrupts.
325  */
326 static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
327 {
328 	struct drm_device *dev = adev_to_drm(adev);
329 	struct drm_connector *connector;
330 	struct drm_connector_list_iter iter;
331 	u32 tmp;
332 
333 	drm_connector_list_iter_begin(dev, &iter);
334 	drm_for_each_connector_iter(connector, &iter) {
335 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
336 
337 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
338 			continue;
339 
340 		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
341 		tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
342 		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
343 
344 		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
345 	}
346 	drm_connector_list_iter_end(&iter);
347 }
348 
349 static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
350 {
351 	return mmDC_GPIO_HPD_A;
352 }
353 
354 static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
355 					  bool render)
356 {
357 	if (!render)
358 		WREG32(mmVGA_RENDER_CONTROL,
359 			RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
360 
361 }
362 
363 static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
364 {
365 	switch (adev->asic_type) {
366 	case CHIP_TAHITI:
367 	case CHIP_PITCAIRN:
368 	case CHIP_VERDE:
369 		return 6;
370 	case CHIP_OLAND:
371 		return 2;
372 	default:
373 		return 0;
374 	}
375 }
376 
377 void dce_v6_0_disable_dce(struct amdgpu_device *adev)
378 {
379 	/*Disable VGA render and enabled crtc, if has DCE engine*/
380 	if (amdgpu_atombios_has_dce_engine_info(adev)) {
381 		u32 tmp;
382 		int crtc_enabled, i;
383 
384 		dce_v6_0_set_vga_render_state(adev, false);
385 
386 		/*Disable crtc*/
387 		for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
388 			crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
389 				CRTC_CONTROL__CRTC_MASTER_EN_MASK;
390 			if (crtc_enabled) {
391 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
392 				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
393 				tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
394 				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
395 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
396 			}
397 		}
398 	}
399 }
400 
401 static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
402 {
403 
404 	struct drm_device *dev = encoder->dev;
405 	struct amdgpu_device *adev = drm_to_adev(dev);
406 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
407 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
408 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
409 	int bpc = 0;
410 	u32 tmp = 0;
411 	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
412 
413 	if (connector) {
414 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
415 		bpc = amdgpu_connector_get_monitor_bpc(connector);
416 		dither = amdgpu_connector->dither;
417 	}
418 
419 	/* LVDS FMT is set up by atom */
420 	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
421 		return;
422 
423 	if (bpc == 0)
424 		return;
425 
426 
427 	switch (bpc) {
428 	case 6:
429 		if (dither == AMDGPU_FMT_DITHER_ENABLE)
430 			/* XXX sort out optimal dither settings */
431 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
432 				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
433 				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
434 		else
435 			tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
436 		break;
437 	case 8:
438 		if (dither == AMDGPU_FMT_DITHER_ENABLE)
439 			/* XXX sort out optimal dither settings */
440 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
441 				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
442 				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
443 				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
444 				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
445 		else
446 			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
447 				FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
448 		break;
449 	case 10:
450 	default:
451 		/* not needed */
452 		break;
453 	}
454 
455 	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
456 }
457 
458 /**
459  * si_get_number_of_dram_channels - get the number of dram channels
460  *
461  * @adev: amdgpu_device pointer
462  *
463  * Look up the number of video ram channels (CIK).
464  * Used for display watermark bandwidth calculations
465  * Returns the number of dram channels
466  */
467 static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
468 {
469 	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
470 
471 	switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
472 	case 0:
473 	default:
474 		return 1;
475 	case 1:
476 		return 2;
477 	case 2:
478 		return 4;
479 	case 3:
480 		return 8;
481 	case 4:
482 		return 3;
483 	case 5:
484 		return 6;
485 	case 6:
486 		return 10;
487 	case 7:
488 		return 12;
489 	case 8:
490 		return 16;
491 	}
492 }
493 
494 struct dce6_wm_params {
495 	u32 dram_channels; /* number of dram channels */
496 	u32 yclk;          /* bandwidth per dram data pin in kHz */
497 	u32 sclk;          /* engine clock in kHz */
498 	u32 disp_clk;      /* display clock in kHz */
499 	u32 src_width;     /* viewport width */
500 	u32 active_time;   /* active display time in ns */
501 	u32 blank_time;    /* blank time in ns */
502 	bool interlaced;    /* mode is interlaced */
503 	fixed20_12 vsc;    /* vertical scale ratio */
504 	u32 num_heads;     /* number of active crtcs */
505 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
506 	u32 lb_size;       /* line buffer allocated to pipe */
507 	u32 vtaps;         /* vertical scaler taps */
508 };
509 
510 /**
511  * dce_v6_0_dram_bandwidth - get the dram bandwidth
512  *
513  * @wm: watermark calculation data
514  *
515  * Calculate the raw dram bandwidth (CIK).
516  * Used for display watermark bandwidth calculations
517  * Returns the dram bandwidth in MBytes/s
518  */
519 static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
520 {
521 	/* Calculate raw DRAM Bandwidth */
522 	fixed20_12 dram_efficiency; /* 0.7 */
523 	fixed20_12 yclk, dram_channels, bandwidth;
524 	fixed20_12 a;
525 
526 	a.full = dfixed_const(1000);
527 	yclk.full = dfixed_const(wm->yclk);
528 	yclk.full = dfixed_div(yclk, a);
529 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
530 	a.full = dfixed_const(10);
531 	dram_efficiency.full = dfixed_const(7);
532 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
533 	bandwidth.full = dfixed_mul(dram_channels, yclk);
534 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
535 
536 	return dfixed_trunc(bandwidth);
537 }
538 
539 /**
540  * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
541  *
542  * @wm: watermark calculation data
543  *
544  * Calculate the dram bandwidth used for display (CIK).
545  * Used for display watermark bandwidth calculations
546  * Returns the dram bandwidth for display in MBytes/s
547  */
548 static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
549 {
550 	/* Calculate DRAM Bandwidth and the part allocated to display. */
551 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
552 	fixed20_12 yclk, dram_channels, bandwidth;
553 	fixed20_12 a;
554 
555 	a.full = dfixed_const(1000);
556 	yclk.full = dfixed_const(wm->yclk);
557 	yclk.full = dfixed_div(yclk, a);
558 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
559 	a.full = dfixed_const(10);
560 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
561 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
562 	bandwidth.full = dfixed_mul(dram_channels, yclk);
563 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
564 
565 	return dfixed_trunc(bandwidth);
566 }
567 
568 /**
569  * dce_v6_0_data_return_bandwidth - get the data return bandwidth
570  *
571  * @wm: watermark calculation data
572  *
573  * Calculate the data return bandwidth used for display (CIK).
574  * Used for display watermark bandwidth calculations
575  * Returns the data return bandwidth in MBytes/s
576  */
577 static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
578 {
579 	/* Calculate the display Data return Bandwidth */
580 	fixed20_12 return_efficiency; /* 0.8 */
581 	fixed20_12 sclk, bandwidth;
582 	fixed20_12 a;
583 
584 	a.full = dfixed_const(1000);
585 	sclk.full = dfixed_const(wm->sclk);
586 	sclk.full = dfixed_div(sclk, a);
587 	a.full = dfixed_const(10);
588 	return_efficiency.full = dfixed_const(8);
589 	return_efficiency.full = dfixed_div(return_efficiency, a);
590 	a.full = dfixed_const(32);
591 	bandwidth.full = dfixed_mul(a, sclk);
592 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
593 
594 	return dfixed_trunc(bandwidth);
595 }
596 
597 /**
598  * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
599  *
600  * @wm: watermark calculation data
601  *
602  * Calculate the dmif bandwidth used for display (CIK).
603  * Used for display watermark bandwidth calculations
604  * Returns the dmif bandwidth in MBytes/s
605  */
606 static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
607 {
608 	/* Calculate the DMIF Request Bandwidth */
609 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
610 	fixed20_12 disp_clk, bandwidth;
611 	fixed20_12 a, b;
612 
613 	a.full = dfixed_const(1000);
614 	disp_clk.full = dfixed_const(wm->disp_clk);
615 	disp_clk.full = dfixed_div(disp_clk, a);
616 	a.full = dfixed_const(32);
617 	b.full = dfixed_mul(a, disp_clk);
618 
619 	a.full = dfixed_const(10);
620 	disp_clk_request_efficiency.full = dfixed_const(8);
621 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
622 
623 	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
624 
625 	return dfixed_trunc(bandwidth);
626 }
627 
628 /**
629  * dce_v6_0_available_bandwidth - get the min available bandwidth
630  *
631  * @wm: watermark calculation data
632  *
633  * Calculate the min available bandwidth used for display (CIK).
634  * Used for display watermark bandwidth calculations
635  * Returns the min available bandwidth in MBytes/s
636  */
637 static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
638 {
639 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
640 	u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
641 	u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
642 	u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
643 
644 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
645 }
646 
647 /**
648  * dce_v6_0_average_bandwidth - get the average available bandwidth
649  *
650  * @wm: watermark calculation data
651  *
652  * Calculate the average available bandwidth used for display (CIK).
653  * Used for display watermark bandwidth calculations
654  * Returns the average available bandwidth in MBytes/s
655  */
656 static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
657 {
658 	/* Calculate the display mode Average Bandwidth
659 	 * DisplayMode should contain the source and destination dimensions,
660 	 * timing, etc.
661 	 */
662 	fixed20_12 bpp;
663 	fixed20_12 line_time;
664 	fixed20_12 src_width;
665 	fixed20_12 bandwidth;
666 	fixed20_12 a;
667 
668 	a.full = dfixed_const(1000);
669 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
670 	line_time.full = dfixed_div(line_time, a);
671 	bpp.full = dfixed_const(wm->bytes_per_pixel);
672 	src_width.full = dfixed_const(wm->src_width);
673 	bandwidth.full = dfixed_mul(src_width, bpp);
674 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
675 	bandwidth.full = dfixed_div(bandwidth, line_time);
676 
677 	return dfixed_trunc(bandwidth);
678 }
679 
680 /**
681  * dce_v6_0_latency_watermark - get the latency watermark
682  *
683  * @wm: watermark calculation data
684  *
685  * Calculate the latency watermark (CIK).
686  * Used for display watermark bandwidth calculations
687  * Returns the latency watermark in ns
688  */
689 static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
690 {
691 	/* First calculate the latency in ns */
692 	u32 mc_latency = 2000; /* 2000 ns. */
693 	u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
694 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
695 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
696 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
697 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
698 		(wm->num_heads * cursor_line_pair_return_time);
699 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
700 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
701 	u32 tmp, dmif_size = 12288;
702 	fixed20_12 a, b, c;
703 
704 	if (wm->num_heads == 0)
705 		return 0;
706 
707 	a.full = dfixed_const(2);
708 	b.full = dfixed_const(1);
709 	if ((wm->vsc.full > a.full) ||
710 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
711 	    (wm->vtaps >= 5) ||
712 	    ((wm->vsc.full >= a.full) && wm->interlaced))
713 		max_src_lines_per_dst_line = 4;
714 	else
715 		max_src_lines_per_dst_line = 2;
716 
717 	a.full = dfixed_const(available_bandwidth);
718 	b.full = dfixed_const(wm->num_heads);
719 	a.full = dfixed_div(a, b);
720 	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
721 	tmp = min(dfixed_trunc(a), tmp);
722 
723 	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
724 
725 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
726 	b.full = dfixed_const(1000);
727 	c.full = dfixed_const(lb_fill_bw);
728 	b.full = dfixed_div(c, b);
729 	a.full = dfixed_div(a, b);
730 	line_fill_time = dfixed_trunc(a);
731 
732 	if (line_fill_time < wm->active_time)
733 		return latency;
734 	else
735 		return latency + (line_fill_time - wm->active_time);
736 
737 }
738 
739 /**
740  * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
741  * average and available dram bandwidth
742  *
743  * @wm: watermark calculation data
744  *
745  * Check if the display average bandwidth fits in the display
746  * dram bandwidth (CIK).
747  * Used for display watermark bandwidth calculations
748  * Returns true if the display fits, false if not.
749  */
750 static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
751 {
752 	if (dce_v6_0_average_bandwidth(wm) <=
753 	    (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
754 		return true;
755 	else
756 		return false;
757 }
758 
759 /**
760  * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
761  * average and available bandwidth
762  *
763  * @wm: watermark calculation data
764  *
765  * Check if the display average bandwidth fits in the display
766  * available bandwidth (CIK).
767  * Used for display watermark bandwidth calculations
768  * Returns true if the display fits, false if not.
769  */
770 static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
771 {
772 	if (dce_v6_0_average_bandwidth(wm) <=
773 	    (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
774 		return true;
775 	else
776 		return false;
777 }
778 
779 /**
780  * dce_v6_0_check_latency_hiding - check latency hiding
781  *
782  * @wm: watermark calculation data
783  *
784  * Check latency hiding (CIK).
785  * Used for display watermark bandwidth calculations
786  * Returns true if the display fits, false if not.
787  */
788 static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
789 {
790 	u32 lb_partitions = wm->lb_size / wm->src_width;
791 	u32 line_time = wm->active_time + wm->blank_time;
792 	u32 latency_tolerant_lines;
793 	u32 latency_hiding;
794 	fixed20_12 a;
795 
796 	a.full = dfixed_const(1);
797 	if (wm->vsc.full > a.full)
798 		latency_tolerant_lines = 1;
799 	else {
800 		if (lb_partitions <= (wm->vtaps + 1))
801 			latency_tolerant_lines = 1;
802 		else
803 			latency_tolerant_lines = 2;
804 	}
805 
806 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
807 
808 	if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
809 		return true;
810 	else
811 		return false;
812 }
813 
814 /**
815  * dce_v6_0_program_watermarks - program display watermarks
816  *
817  * @adev: amdgpu_device pointer
818  * @amdgpu_crtc: the selected display controller
819  * @lb_size: line buffer size
820  * @num_heads: number of display controllers in use
821  *
822  * Calculate and program the display watermarks for the
823  * selected display controller (CIK).
824  */
825 static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
826 					struct amdgpu_crtc *amdgpu_crtc,
827 					u32 lb_size, u32 num_heads)
828 {
829 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
830 	struct dce6_wm_params wm_low, wm_high;
831 	u32 dram_channels;
832 	u32 active_time;
833 	u32 line_time = 0;
834 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
835 	u32 priority_a_mark = 0, priority_b_mark = 0;
836 	u32 priority_a_cnt = PRIORITY_OFF;
837 	u32 priority_b_cnt = PRIORITY_OFF;
838 	u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
839 	fixed20_12 a, b, c;
840 
841 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
842 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
843 					    (u32)mode->clock);
844 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
845 					  (u32)mode->clock);
846 		line_time = min(line_time, (u32)65535);
847 		priority_a_cnt = 0;
848 		priority_b_cnt = 0;
849 
850 		dram_channels = si_get_number_of_dram_channels(adev);
851 
852 		/* watermark for high clocks */
853 		if (adev->pm.dpm_enabled) {
854 			wm_high.yclk =
855 				amdgpu_dpm_get_mclk(adev, false) * 10;
856 			wm_high.sclk =
857 				amdgpu_dpm_get_sclk(adev, false) * 10;
858 		} else {
859 			wm_high.yclk = adev->pm.current_mclk * 10;
860 			wm_high.sclk = adev->pm.current_sclk * 10;
861 		}
862 
863 		wm_high.disp_clk = mode->clock;
864 		wm_high.src_width = mode->crtc_hdisplay;
865 		wm_high.active_time = active_time;
866 		wm_high.blank_time = line_time - wm_high.active_time;
867 		wm_high.interlaced = false;
868 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
869 			wm_high.interlaced = true;
870 		wm_high.vsc = amdgpu_crtc->vsc;
871 		wm_high.vtaps = 1;
872 		if (amdgpu_crtc->rmx_type != RMX_OFF)
873 			wm_high.vtaps = 2;
874 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
875 		wm_high.lb_size = lb_size;
876 		wm_high.dram_channels = dram_channels;
877 		wm_high.num_heads = num_heads;
878 
879 		if (adev->pm.dpm_enabled) {
880 		/* watermark for low clocks */
881 			wm_low.yclk =
882 				amdgpu_dpm_get_mclk(adev, true) * 10;
883 			wm_low.sclk =
884 				amdgpu_dpm_get_sclk(adev, true) * 10;
885 		} else {
886 			wm_low.yclk = adev->pm.current_mclk * 10;
887 			wm_low.sclk = adev->pm.current_sclk * 10;
888 		}
889 
890 		wm_low.disp_clk = mode->clock;
891 		wm_low.src_width = mode->crtc_hdisplay;
892 		wm_low.active_time = active_time;
893 		wm_low.blank_time = line_time - wm_low.active_time;
894 		wm_low.interlaced = false;
895 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
896 			wm_low.interlaced = true;
897 		wm_low.vsc = amdgpu_crtc->vsc;
898 		wm_low.vtaps = 1;
899 		if (amdgpu_crtc->rmx_type != RMX_OFF)
900 			wm_low.vtaps = 2;
901 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
902 		wm_low.lb_size = lb_size;
903 		wm_low.dram_channels = dram_channels;
904 		wm_low.num_heads = num_heads;
905 
906 		/* set for high clocks */
907 		latency_watermark_a = min(dce_v6_0_latency_watermark(&wm_high), (u32)65535);
908 		/* set for low clocks */
909 		latency_watermark_b = min(dce_v6_0_latency_watermark(&wm_low), (u32)65535);
910 
911 		/* possibly force display priority to high */
912 		/* should really do this at mode validation time... */
913 		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
914 		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
915 		    !dce_v6_0_check_latency_hiding(&wm_high) ||
916 		    (adev->mode_info.disp_priority == 2)) {
917 			DRM_DEBUG_KMS("force priority to high\n");
918 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
919 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
920 		}
921 		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
922 		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
923 		    !dce_v6_0_check_latency_hiding(&wm_low) ||
924 		    (adev->mode_info.disp_priority == 2)) {
925 			DRM_DEBUG_KMS("force priority to high\n");
926 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
927 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
928 		}
929 
930 		a.full = dfixed_const(1000);
931 		b.full = dfixed_const(mode->clock);
932 		b.full = dfixed_div(b, a);
933 		c.full = dfixed_const(latency_watermark_a);
934 		c.full = dfixed_mul(c, b);
935 		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
936 		c.full = dfixed_div(c, a);
937 		a.full = dfixed_const(16);
938 		c.full = dfixed_div(c, a);
939 		priority_a_mark = dfixed_trunc(c);
940 		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
941 
942 		a.full = dfixed_const(1000);
943 		b.full = dfixed_const(mode->clock);
944 		b.full = dfixed_div(b, a);
945 		c.full = dfixed_const(latency_watermark_b);
946 		c.full = dfixed_mul(c, b);
947 		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
948 		c.full = dfixed_div(c, a);
949 		a.full = dfixed_const(16);
950 		c.full = dfixed_div(c, a);
951 		priority_b_mark = dfixed_trunc(c);
952 		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
953 
954 		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
955 	}
956 
957 	/* select wm A */
958 	arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
959 	tmp = arb_control3;
960 	tmp &= ~LATENCY_WATERMARK_MASK(3);
961 	tmp |= LATENCY_WATERMARK_MASK(1);
962 	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
963 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
964 	       ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT)  |
965 		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
966 	/* select wm B */
967 	tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
968 	tmp &= ~LATENCY_WATERMARK_MASK(3);
969 	tmp |= LATENCY_WATERMARK_MASK(2);
970 	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
971 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
972 	       ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
973 		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
974 	/* restore original selection */
975 	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
976 
977 	/* write the priority marks */
978 	WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
979 	WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
980 
981 	/* save values for DPM */
982 	amdgpu_crtc->line_time = line_time;
983 	amdgpu_crtc->wm_high = latency_watermark_a;
984 
985 	/* Save number of lines the linebuffer leads before the scanout */
986 	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
987 }
988 
989 /* watermark setup */
990 static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
991 				   struct amdgpu_crtc *amdgpu_crtc,
992 				   struct drm_display_mode *mode,
993 				   struct drm_display_mode *other_mode)
994 {
995 	u32 tmp, buffer_alloc, i;
996 	u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
997 	/*
998 	 * Line Buffer Setup
999 	 * There are 3 line buffers, each one shared by 2 display controllers.
1000 	 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1001 	 * the display controllers.  The paritioning is done via one of four
1002 	 * preset allocations specified in bits 21:20:
1003 	 *  0 - half lb
1004 	 *  2 - whole lb, other crtc must be disabled
1005 	 */
1006 	/* this can get tricky if we have two large displays on a paired group
1007 	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1008 	 * non-linked crtcs for maximum line buffer allocation.
1009 	 */
1010 	if (amdgpu_crtc->base.enabled && mode) {
1011 		if (other_mode) {
1012 			tmp = 0; /* 1/2 */
1013 			buffer_alloc = 1;
1014 		} else {
1015 			tmp = 2; /* whole */
1016 			buffer_alloc = 2;
1017 		}
1018 	} else {
1019 		tmp = 0;
1020 		buffer_alloc = 0;
1021 	}
1022 
1023 	WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1024 	       DC_LB_MEMORY_CONFIG(tmp));
1025 
1026 	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1027 	       (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1028 	for (i = 0; i < adev->usec_timeout; i++) {
1029 		if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1030 		    PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1031 			break;
1032 		udelay(1);
1033 	}
1034 
1035 	if (amdgpu_crtc->base.enabled && mode) {
1036 		switch (tmp) {
1037 		case 0:
1038 		default:
1039 			return 4096 * 2;
1040 		case 2:
1041 			return 8192 * 2;
1042 		}
1043 	}
1044 
1045 	/* controller not enabled, so no lb used */
1046 	return 0;
1047 }
1048 
1049 
1050 /**
1051  * dce_v6_0_bandwidth_update - program display watermarks
1052  *
1053  * @adev: amdgpu_device pointer
1054  *
1055  * Calculate and program the display watermarks and line
1056  * buffer allocation (CIK).
1057  */
1058 static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1059 {
1060 	struct drm_display_mode *mode0 = NULL;
1061 	struct drm_display_mode *mode1 = NULL;
1062 	u32 num_heads = 0, lb_size;
1063 	int i;
1064 
1065 	if (!adev->mode_info.mode_config_initialized)
1066 		return;
1067 
1068 	amdgpu_display_update_priority(adev);
1069 
1070 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1071 		if (adev->mode_info.crtcs[i]->base.enabled)
1072 			num_heads++;
1073 	}
1074 	for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1075 		mode0 = &adev->mode_info.crtcs[i]->base.mode;
1076 		mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1077 		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1078 		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1079 		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1080 		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1081 	}
1082 }
1083 
1084 static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1085 {
1086 	int i;
1087 	u32 tmp;
1088 
1089 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1090 		tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1091 				ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1092 		if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1093 					PORT_CONNECTIVITY))
1094 			adev->mode_info.audio.pin[i].connected = false;
1095 		else
1096 			adev->mode_info.audio.pin[i].connected = true;
1097 	}
1098 
1099 }
1100 
1101 static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1102 {
1103 	int i;
1104 
1105 	dce_v6_0_audio_get_connected_pins(adev);
1106 
1107 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1108 		if (adev->mode_info.audio.pin[i].connected)
1109 			return &adev->mode_info.audio.pin[i];
1110 	}
1111 	DRM_ERROR("No connected audio pins found!\n");
1112 	return NULL;
1113 }
1114 
1115 static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1116 {
1117 	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1118 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1119 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1120 
1121 	if (!dig || !dig->afmt || !dig->afmt->pin)
1122 		return;
1123 
1124 	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1125 	       REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1126 		             dig->afmt->pin->id));
1127 }
1128 
1129 static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1130 						struct drm_display_mode *mode)
1131 {
1132 	struct drm_device *dev = encoder->dev;
1133 	struct amdgpu_device *adev = drm_to_adev(dev);
1134 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1135 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1136 	struct drm_connector *connector;
1137 	struct drm_connector_list_iter iter;
1138 	struct amdgpu_connector *amdgpu_connector = NULL;
1139 	int interlace = 0;
1140 	u32 tmp;
1141 
1142 	drm_connector_list_iter_begin(dev, &iter);
1143 	drm_for_each_connector_iter(connector, &iter) {
1144 		if (connector->encoder == encoder) {
1145 			amdgpu_connector = to_amdgpu_connector(connector);
1146 			break;
1147 		}
1148 	}
1149 	drm_connector_list_iter_end(&iter);
1150 
1151 	if (!amdgpu_connector) {
1152 		DRM_ERROR("Couldn't find encoder's connector\n");
1153 		return;
1154 	}
1155 
1156 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1157 		interlace = 1;
1158 
1159 	if (connector->latency_present[interlace]) {
1160 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1161 				VIDEO_LIPSYNC, connector->video_latency[interlace]);
1162 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1163 				AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1164 	} else {
1165 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1166 				VIDEO_LIPSYNC, 0);
1167 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1168 				AUDIO_LIPSYNC, 0);
1169 	}
1170 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1171 			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1172 }
1173 
1174 static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1175 {
1176 	struct drm_device *dev = encoder->dev;
1177 	struct amdgpu_device *adev = drm_to_adev(dev);
1178 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1179 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1180 	struct drm_connector *connector;
1181 	struct drm_connector_list_iter iter;
1182 	struct amdgpu_connector *amdgpu_connector = NULL;
1183 	u8 *sadb = NULL;
1184 	int sad_count;
1185 	u32 tmp;
1186 
1187 	drm_connector_list_iter_begin(dev, &iter);
1188 	drm_for_each_connector_iter(connector, &iter) {
1189 		if (connector->encoder == encoder) {
1190 			amdgpu_connector = to_amdgpu_connector(connector);
1191 			break;
1192 		}
1193 	}
1194 	drm_connector_list_iter_end(&iter);
1195 
1196 	if (!amdgpu_connector) {
1197 		DRM_ERROR("Couldn't find encoder's connector\n");
1198 		return;
1199 	}
1200 
1201 	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1202 	if (sad_count < 0) {
1203 		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1204 		sad_count = 0;
1205 	}
1206 
1207 	/* program the speaker allocation */
1208 	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1209 			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1210 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1211 			HDMI_CONNECTION, 0);
1212 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1213 			DP_CONNECTION, 0);
1214 
1215 	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1216 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1217 				DP_CONNECTION, 1);
1218 	else
1219 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1220 				HDMI_CONNECTION, 1);
1221 
1222 	if (sad_count)
1223 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1224 				SPEAKER_ALLOCATION, sadb[0]);
1225 	else
1226 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1227 				SPEAKER_ALLOCATION, 5); /* stereo */
1228 
1229 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1230 			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1231 
1232 	kfree(sadb);
1233 }
1234 
1235 static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1236 {
1237 	struct drm_device *dev = encoder->dev;
1238 	struct amdgpu_device *adev = drm_to_adev(dev);
1239 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241 	struct drm_connector *connector;
1242 	struct drm_connector_list_iter iter;
1243 	struct amdgpu_connector *amdgpu_connector = NULL;
1244 	struct cea_sad *sads;
1245 	int i, sad_count;
1246 
1247 	static const u16 eld_reg_to_type[][2] = {
1248 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1249 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1250 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1251 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1252 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1253 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1254 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1255 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1256 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1257 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1258 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1259 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1260 	};
1261 
1262 	drm_connector_list_iter_begin(dev, &iter);
1263 	drm_for_each_connector_iter(connector, &iter) {
1264 		if (connector->encoder == encoder) {
1265 			amdgpu_connector = to_amdgpu_connector(connector);
1266 			break;
1267 		}
1268 	}
1269 	drm_connector_list_iter_end(&iter);
1270 
1271 	if (!amdgpu_connector) {
1272 		DRM_ERROR("Couldn't find encoder's connector\n");
1273 		return;
1274 	}
1275 
1276 	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1277 	if (sad_count < 0)
1278 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1279 	if (sad_count <= 0)
1280 		return;
1281 
1282 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1283 		u32 tmp = 0;
1284 		u8 stereo_freqs = 0;
1285 		int max_channels = -1;
1286 		int j;
1287 
1288 		for (j = 0; j < sad_count; j++) {
1289 			struct cea_sad *sad = &sads[j];
1290 
1291 			if (sad->format == eld_reg_to_type[i][1]) {
1292 				if (sad->channels > max_channels) {
1293 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1294 							MAX_CHANNELS, sad->channels);
1295 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1296 							DESCRIPTOR_BYTE_2, sad->byte2);
1297 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1298 							SUPPORTED_FREQUENCIES, sad->freq);
1299 					max_channels = sad->channels;
1300 				}
1301 
1302 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1303 					stereo_freqs |= sad->freq;
1304 				else
1305 					break;
1306 			}
1307 		}
1308 
1309 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1310 				SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1311 		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1312 	}
1313 
1314 	kfree(sads);
1315 
1316 }
1317 
1318 static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1319 				  struct amdgpu_audio_pin *pin,
1320 				  bool enable)
1321 {
1322 	if (!pin)
1323 		return;
1324 
1325 	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1326 			enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1327 }
1328 
1329 static const u32 pin_offsets[7] =
1330 {
1331 	(0x1780 - 0x1780),
1332 	(0x1786 - 0x1780),
1333 	(0x178c - 0x1780),
1334 	(0x1792 - 0x1780),
1335 	(0x1798 - 0x1780),
1336 	(0x179d - 0x1780),
1337 	(0x17a4 - 0x1780),
1338 };
1339 
1340 static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1341 {
1342 	int i;
1343 
1344 	if (!amdgpu_audio)
1345 		return 0;
1346 
1347 	adev->mode_info.audio.enabled = true;
1348 
1349 	switch (adev->asic_type) {
1350 	case CHIP_TAHITI:
1351 	case CHIP_PITCAIRN:
1352 	case CHIP_VERDE:
1353 	default:
1354 		adev->mode_info.audio.num_pins = 6;
1355 		break;
1356 	case CHIP_OLAND:
1357 		adev->mode_info.audio.num_pins = 2;
1358 		break;
1359 	}
1360 
1361 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1362 		adev->mode_info.audio.pin[i].channels = -1;
1363 		adev->mode_info.audio.pin[i].rate = -1;
1364 		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1365 		adev->mode_info.audio.pin[i].status_bits = 0;
1366 		adev->mode_info.audio.pin[i].category_code = 0;
1367 		adev->mode_info.audio.pin[i].connected = false;
1368 		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1369 		adev->mode_info.audio.pin[i].id = i;
1370 		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1371 	}
1372 
1373 	return 0;
1374 }
1375 
1376 static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1377 {
1378 	int i;
1379 
1380 	if (!amdgpu_audio)
1381 		return;
1382 
1383 	if (!adev->mode_info.audio.enabled)
1384 		return;
1385 
1386 	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1387 		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1388 
1389 	adev->mode_info.audio.enabled = false;
1390 }
1391 
1392 static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1393 {
1394 	struct drm_device *dev = encoder->dev;
1395 	struct amdgpu_device *adev = drm_to_adev(dev);
1396 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1397 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1398 	u32 tmp;
1399 
1400 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1401 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1402 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1403 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1404 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1405 }
1406 
1407 static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1408 				   uint32_t clock, int bpc)
1409 {
1410 	struct drm_device *dev = encoder->dev;
1411 	struct amdgpu_device *adev = drm_to_adev(dev);
1412 	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1413 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1414 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1415 	u32 tmp;
1416 
1417 	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1418 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1419 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1420 			bpc > 8 ? 0 : 1);
1421 	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1422 
1423 	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1424 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1425 	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1426 	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1427 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1428 	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1429 
1430 	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1431 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1432 	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1433 	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1434 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1435 	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1436 
1437 	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1438 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1439 	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1440 	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1441 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1442 	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1443 }
1444 
1445 static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1446 					       struct drm_display_mode *mode)
1447 {
1448 	struct drm_device *dev = encoder->dev;
1449 	struct amdgpu_device *adev = drm_to_adev(dev);
1450 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1451 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1452 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1453 	struct hdmi_avi_infoframe frame;
1454 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1455 	uint8_t *payload = buffer + 3;
1456 	uint8_t *header = buffer;
1457 	ssize_t err;
1458 	u32 tmp;
1459 
1460 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1461 	if (err < 0) {
1462 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1463 		return;
1464 	}
1465 
1466 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1467 	if (err < 0) {
1468 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1469 		return;
1470 	}
1471 
1472 	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1473 	       payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1474 	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1475 	       payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1476 	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1477 	       payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1478 	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1479 	       payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1480 
1481 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1482 	/* anything other than 0 */
1483 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1484 			HDMI_AUDIO_INFO_LINE, 2);
1485 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1486 }
1487 
1488 static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1489 {
1490 	struct drm_device *dev = encoder->dev;
1491 	struct amdgpu_device *adev = drm_to_adev(dev);
1492 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1493 	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1494 	u32 tmp;
1495 
1496 	/*
1497 	 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1498 	 * Express [24MHz / target pixel clock] as an exact rational
1499 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1500 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1501 	 */
1502 	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1503 	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1504 			DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1505 	if (em == ATOM_ENCODER_MODE_HDMI) {
1506 		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1507 				DCCG_AUDIO_DTO_SEL, 0);
1508 	} else if (ENCODER_MODE_IS_DP(em)) {
1509 		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1510 				DCCG_AUDIO_DTO_SEL, 1);
1511 	}
1512 	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1513 	if (em == ATOM_ENCODER_MODE_HDMI) {
1514 		WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1515 		WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1516 	} else if (ENCODER_MODE_IS_DP(em)) {
1517 		WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1518 		WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1519 	}
1520 }
1521 
1522 static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1523 {
1524 	struct drm_device *dev = encoder->dev;
1525 	struct amdgpu_device *adev = drm_to_adev(dev);
1526 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1527 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1528 	u32 tmp;
1529 
1530 	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1531 	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1532 	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1533 
1534 	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1535 	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1536 	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1537 
1538 	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1539 	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1540 	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1541 
1542 	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1543 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1544 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1545 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1546 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1547 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1548 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1549 	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1550 
1551 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1552 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1553 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1554 
1555 	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1556 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1557 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1558 	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1559 
1560 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1561 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1562 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1563 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1564 }
1565 
1566 static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1567 {
1568 	struct drm_device *dev = encoder->dev;
1569 	struct amdgpu_device *adev = drm_to_adev(dev);
1570 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1571 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1572 	u32 tmp;
1573 
1574 	tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1575 	tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1576 	WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1577 }
1578 
1579 static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1580 {
1581 	struct drm_device *dev = encoder->dev;
1582 	struct amdgpu_device *adev = drm_to_adev(dev);
1583 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1584 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1585 	u32 tmp;
1586 
1587 	if (enable) {
1588 		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1589 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1590 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1591 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1592 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1593 		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1594 
1595 		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1596 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1597 		WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1598 
1599 		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1600 		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1601 		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1602 	} else {
1603 		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1604 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1605 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1606 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1607 		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1608 		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1609 
1610 		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1611 		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1612 		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1613 	}
1614 }
1615 
1616 static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1617 {
1618 	struct drm_device *dev = encoder->dev;
1619 	struct amdgpu_device *adev = drm_to_adev(dev);
1620 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1621 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1622 	u32 tmp;
1623 
1624 	if (enable) {
1625 		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1626 		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1627 		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1628 
1629 		tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1630 		tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1631 		WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1632 
1633 		tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1634 		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1635 		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1636 		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1637 		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1638 		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1639 	} else {
1640 		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1641 	}
1642 }
1643 
1644 static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1645 				  struct drm_display_mode *mode)
1646 {
1647 	struct drm_device *dev = encoder->dev;
1648 	struct amdgpu_device *adev = drm_to_adev(dev);
1649 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1650 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1651 	struct drm_connector *connector;
1652 	struct drm_connector_list_iter iter;
1653 	struct amdgpu_connector *amdgpu_connector = NULL;
1654 	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1655 	int bpc = 8;
1656 
1657 	if (!dig || !dig->afmt)
1658 		return;
1659 
1660 	drm_connector_list_iter_begin(dev, &iter);
1661 	drm_for_each_connector_iter(connector, &iter) {
1662 		if (connector->encoder == encoder) {
1663 			amdgpu_connector = to_amdgpu_connector(connector);
1664 			break;
1665 		}
1666 	}
1667 	drm_connector_list_iter_end(&iter);
1668 
1669 	if (!amdgpu_connector) {
1670 		DRM_ERROR("Couldn't find encoder's connector\n");
1671 		return;
1672 	}
1673 
1674 	if (!dig->afmt->enabled)
1675 		return;
1676 
1677 	dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1678 	if (!dig->afmt->pin)
1679 		return;
1680 
1681 	if (encoder->crtc) {
1682 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1683 		bpc = amdgpu_crtc->bpc;
1684 	}
1685 
1686 	/* disable audio before setting up hw */
1687 	dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1688 
1689 	dce_v6_0_audio_set_mute(encoder, true);
1690 	dce_v6_0_audio_write_speaker_allocation(encoder);
1691 	dce_v6_0_audio_write_sad_regs(encoder);
1692 	dce_v6_0_audio_write_latency_fields(encoder, mode);
1693 	if (em == ATOM_ENCODER_MODE_HDMI) {
1694 		dce_v6_0_audio_set_dto(encoder, mode->clock);
1695 		dce_v6_0_audio_set_vbi_packet(encoder);
1696 		dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1697 	} else if (ENCODER_MODE_IS_DP(em)) {
1698 		dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1699 	}
1700 	dce_v6_0_audio_set_packet(encoder);
1701 	dce_v6_0_audio_select_pin(encoder);
1702 	dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1703 	dce_v6_0_audio_set_mute(encoder, false);
1704 	if (em == ATOM_ENCODER_MODE_HDMI) {
1705 		dce_v6_0_audio_hdmi_enable(encoder, 1);
1706 	} else if (ENCODER_MODE_IS_DP(em)) {
1707 		dce_v6_0_audio_dp_enable(encoder, 1);
1708 	}
1709 
1710 	/* enable audio after setting up hw */
1711 	dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1712 }
1713 
1714 static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1715 {
1716 	struct drm_device *dev = encoder->dev;
1717 	struct amdgpu_device *adev = drm_to_adev(dev);
1718 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1719 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1720 
1721 	if (!dig || !dig->afmt)
1722 		return;
1723 
1724 	/* Silent, r600_hdmi_enable will raise WARN for us */
1725 	if (enable && dig->afmt->enabled)
1726 		return;
1727 
1728 	if (!enable && !dig->afmt->enabled)
1729 		return;
1730 
1731 	if (!enable && dig->afmt->pin) {
1732 		dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1733 		dig->afmt->pin = NULL;
1734 	}
1735 
1736 	dig->afmt->enabled = enable;
1737 
1738 	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1739 		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1740 }
1741 
1742 static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1743 {
1744 	int i, j;
1745 
1746 	for (i = 0; i < adev->mode_info.num_dig; i++)
1747 		adev->mode_info.afmt[i] = NULL;
1748 
1749 	/* DCE6 has audio blocks tied to DIG encoders */
1750 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1751 		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1752 		if (adev->mode_info.afmt[i]) {
1753 			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1754 			adev->mode_info.afmt[i]->id = i;
1755 		} else {
1756 			for (j = 0; j < i; j++) {
1757 				kfree(adev->mode_info.afmt[j]);
1758 				adev->mode_info.afmt[j] = NULL;
1759 			}
1760 			DRM_ERROR("Out of memory allocating afmt table\n");
1761 			return -ENOMEM;
1762 		}
1763 	}
1764 	return 0;
1765 }
1766 
1767 static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1768 {
1769 	int i;
1770 
1771 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1772 		kfree(adev->mode_info.afmt[i]);
1773 		adev->mode_info.afmt[i] = NULL;
1774 	}
1775 }
1776 
1777 static const u32 vga_control_regs[6] =
1778 {
1779 	mmD1VGA_CONTROL,
1780 	mmD2VGA_CONTROL,
1781 	mmD3VGA_CONTROL,
1782 	mmD4VGA_CONTROL,
1783 	mmD5VGA_CONTROL,
1784 	mmD6VGA_CONTROL,
1785 };
1786 
1787 static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1788 {
1789 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1790 	struct drm_device *dev = crtc->dev;
1791 	struct amdgpu_device *adev = drm_to_adev(dev);
1792 	u32 vga_control;
1793 
1794 	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1795 	WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1796 }
1797 
1798 static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1799 {
1800 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1801 	struct drm_device *dev = crtc->dev;
1802 	struct amdgpu_device *adev = drm_to_adev(dev);
1803 
1804 	WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1805 }
1806 
1807 static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1808 				     struct drm_framebuffer *fb,
1809 				     int x, int y, int atomic)
1810 {
1811 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1812 	struct drm_device *dev = crtc->dev;
1813 	struct amdgpu_device *adev = drm_to_adev(dev);
1814 	struct drm_framebuffer *target_fb;
1815 	struct drm_gem_object *obj;
1816 	struct amdgpu_bo *abo;
1817 	uint64_t fb_location, tiling_flags;
1818 	uint32_t fb_format, fb_pitch_pixels, pipe_config;
1819 	u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1820 	u32 viewport_w, viewport_h;
1821 	int r;
1822 	bool bypass_lut = false;
1823 
1824 	/* no fb bound */
1825 	if (!atomic && !crtc->primary->fb) {
1826 		DRM_DEBUG_KMS("No FB bound\n");
1827 		return 0;
1828 	}
1829 
1830 	if (atomic)
1831 		target_fb = fb;
1832 	else
1833 		target_fb = crtc->primary->fb;
1834 
1835 	/* If atomic, assume fb object is pinned & idle & fenced and
1836 	 * just update base pointers
1837 	 */
1838 	obj = target_fb->obj[0];
1839 	abo = gem_to_amdgpu_bo(obj);
1840 	r = amdgpu_bo_reserve(abo, false);
1841 	if (unlikely(r != 0))
1842 		return r;
1843 
1844 	if (!atomic) {
1845 		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1846 		if (unlikely(r != 0)) {
1847 			amdgpu_bo_unreserve(abo);
1848 			return -EINVAL;
1849 		}
1850 	}
1851 	fb_location = amdgpu_bo_gpu_offset(abo);
1852 
1853 	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1854 	amdgpu_bo_unreserve(abo);
1855 
1856 	switch (target_fb->format->format) {
1857 	case DRM_FORMAT_C8:
1858 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1859 			     GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1860 		break;
1861 	case DRM_FORMAT_XRGB4444:
1862 	case DRM_FORMAT_ARGB4444:
1863 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1864 			     GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1865 #ifdef __BIG_ENDIAN
1866 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1867 #endif
1868 		break;
1869 	case DRM_FORMAT_XRGB1555:
1870 	case DRM_FORMAT_ARGB1555:
1871 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1872 			     GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1873 #ifdef __BIG_ENDIAN
1874 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1875 #endif
1876 		break;
1877 	case DRM_FORMAT_BGRX5551:
1878 	case DRM_FORMAT_BGRA5551:
1879 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1880 			     GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1881 #ifdef __BIG_ENDIAN
1882 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1883 #endif
1884 		break;
1885 	case DRM_FORMAT_RGB565:
1886 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1887 			     GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1888 #ifdef __BIG_ENDIAN
1889 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1890 #endif
1891 		break;
1892 	case DRM_FORMAT_XRGB8888:
1893 	case DRM_FORMAT_ARGB8888:
1894 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1895 			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1896 #ifdef __BIG_ENDIAN
1897 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1898 #endif
1899 		break;
1900 	case DRM_FORMAT_XRGB2101010:
1901 	case DRM_FORMAT_ARGB2101010:
1902 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1903 			     GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1904 #ifdef __BIG_ENDIAN
1905 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1906 #endif
1907 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1908 		bypass_lut = true;
1909 		break;
1910 	case DRM_FORMAT_BGRX1010102:
1911 	case DRM_FORMAT_BGRA1010102:
1912 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1913 			     GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1914 #ifdef __BIG_ENDIAN
1915 		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1916 #endif
1917 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1918 		bypass_lut = true;
1919 		break;
1920 	case DRM_FORMAT_XBGR8888:
1921 	case DRM_FORMAT_ABGR8888:
1922 		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1923 			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1924 		fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1925 			   GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1926 #ifdef __BIG_ENDIAN
1927 		fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1928 #endif
1929 		break;
1930 	default:
1931 		DRM_ERROR("Unsupported screen format %p4cc\n",
1932 			  &target_fb->format->format);
1933 		return -EINVAL;
1934 	}
1935 
1936 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1937 		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1938 
1939 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1940 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1941 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1942 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1943 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1944 
1945 		fb_format |= GRPH_NUM_BANKS(num_banks);
1946 		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1947 		fb_format |= GRPH_TILE_SPLIT(tile_split);
1948 		fb_format |= GRPH_BANK_WIDTH(bankw);
1949 		fb_format |= GRPH_BANK_HEIGHT(bankh);
1950 		fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1951 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1952 		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1953 	}
1954 
1955 	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1956 	fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1957 
1958 	dce_v6_0_vga_enable(crtc, false);
1959 
1960 	/* Make sure surface address is updated at vertical blank rather than
1961 	 * horizontal blank
1962 	 */
1963 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1964 
1965 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1966 	       upper_32_bits(fb_location));
1967 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1968 	       upper_32_bits(fb_location));
1969 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1970 	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1971 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1972 	       (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1973 	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1974 	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1975 
1976 	/*
1977 	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1978 	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1979 	 * retain the full precision throughout the pipeline.
1980 	 */
1981 	WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
1982 		 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
1983 		 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
1984 
1985 	if (bypass_lut)
1986 		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1987 
1988 	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1989 	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1990 	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1991 	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1992 	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1993 	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1994 
1995 	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1996 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1997 
1998 	dce_v6_0_grph_enable(crtc, true);
1999 
2000 	WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2001 		       target_fb->height);
2002 	x &= ~3;
2003 	y &= ~1;
2004 	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2005 	       (x << 16) | y);
2006 	viewport_w = crtc->mode.hdisplay;
2007 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2008 
2009 	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2010 	       (viewport_w << 16) | viewport_h);
2011 
2012 	/* set pageflip to happen anywhere in vblank interval */
2013 	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2014 
2015 	if (!atomic && fb && fb != crtc->primary->fb) {
2016 		abo = gem_to_amdgpu_bo(fb->obj[0]);
2017 		r = amdgpu_bo_reserve(abo, true);
2018 		if (unlikely(r != 0))
2019 			return r;
2020 		amdgpu_bo_unpin(abo);
2021 		amdgpu_bo_unreserve(abo);
2022 	}
2023 
2024 	/* Bytes per pixel may have changed */
2025 	dce_v6_0_bandwidth_update(adev);
2026 
2027 	return 0;
2028 
2029 }
2030 
2031 static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2032 				    struct drm_display_mode *mode)
2033 {
2034 	struct drm_device *dev = crtc->dev;
2035 	struct amdgpu_device *adev = drm_to_adev(dev);
2036 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2037 
2038 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2039 		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2040 		       INTERLEAVE_EN);
2041 	else
2042 		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2043 }
2044 
2045 static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2046 {
2047 
2048 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2049 	struct drm_device *dev = crtc->dev;
2050 	struct amdgpu_device *adev = drm_to_adev(dev);
2051 	u16 *r, *g, *b;
2052 	int i;
2053 
2054 	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2055 
2056 	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2057 	       ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2058 		(0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2059 	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2060 	       PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2061 	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2062 	       PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2063 	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2064 	       ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2065 		(0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2066 
2067 	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2068 
2069 	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2070 	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2071 	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2072 
2073 	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2074 	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2075 	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2076 
2077 	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2078 	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2079 
2080 	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2081 	r = crtc->gamma_store;
2082 	g = r + crtc->gamma_size;
2083 	b = g + crtc->gamma_size;
2084 	for (i = 0; i < 256; i++) {
2085 		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2086 		       ((*r++ & 0xffc0) << 14) |
2087 		       ((*g++ & 0xffc0) << 4) |
2088 		       (*b++ >> 6));
2089 	}
2090 
2091 	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2092 	       ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2093 		(0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2094 		ICON_DEGAMMA_MODE(0) |
2095 		(0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2096 	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2097 	       ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2098 		(0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2099 	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2100 	       ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2101 		(0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2102 	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2103 	       ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2104 		(0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2105 	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2106 	WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2107 
2108 
2109 }
2110 
2111 static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2112 {
2113 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2114 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2115 
2116 	switch (amdgpu_encoder->encoder_id) {
2117 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2118 		return dig->linkb ? 1 : 0;
2119 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2120 		return dig->linkb ? 3 : 2;
2121 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2122 		return dig->linkb ? 5 : 4;
2123 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2124 		return 6;
2125 	default:
2126 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2127 		return 0;
2128 	}
2129 }
2130 
2131 /**
2132  * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2133  *
2134  * @crtc: drm crtc
2135  *
2136  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2137  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2138  * monitors a dedicated PPLL must be used.  If a particular board has
2139  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2140  * as there is no need to program the PLL itself.  If we are not able to
2141  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2142  * avoid messing up an existing monitor.
2143  *
2144  *
2145  */
2146 static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2147 {
2148 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2149 	struct drm_device *dev = crtc->dev;
2150 	struct amdgpu_device *adev = drm_to_adev(dev);
2151 	u32 pll_in_use;
2152 	int pll;
2153 
2154 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2155 		if (adev->clock.dp_extclk)
2156 			/* skip PPLL programming if using ext clock */
2157 			return ATOM_PPLL_INVALID;
2158 		else
2159 			return ATOM_PPLL0;
2160 	} else {
2161 		/* use the same PPLL for all monitors with the same clock */
2162 		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2163 		if (pll != ATOM_PPLL_INVALID)
2164 			return pll;
2165 	}
2166 
2167 	/*  PPLL1, and PPLL2 */
2168 	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2169 	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2170 		return ATOM_PPLL2;
2171 	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2172 		return ATOM_PPLL1;
2173 	DRM_ERROR("unable to allocate a PPLL\n");
2174 	return ATOM_PPLL_INVALID;
2175 }
2176 
2177 static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2178 {
2179 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2180 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2181 	uint32_t cur_lock;
2182 
2183 	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2184 	if (lock)
2185 		cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2186 	else
2187 		cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2188 	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2189 }
2190 
2191 static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2192 {
2193 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2194 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2195 
2196 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2197 	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2198 	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2199 
2200 
2201 }
2202 
2203 static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2204 {
2205 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2206 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2207 
2208 	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2209 	       upper_32_bits(amdgpu_crtc->cursor_addr));
2210 	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2211 	       lower_32_bits(amdgpu_crtc->cursor_addr));
2212 
2213 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2214 	       CUR_CONTROL__CURSOR_EN_MASK |
2215 	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2216 	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2217 
2218 }
2219 
2220 static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2221 				       int x, int y)
2222 {
2223 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2224 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2225 	int xorigin = 0, yorigin = 0;
2226 
2227 	int w = amdgpu_crtc->cursor_width;
2228 
2229 	amdgpu_crtc->cursor_x = x;
2230 	amdgpu_crtc->cursor_y = y;
2231 
2232 	/* avivo cursor are offset into the total surface */
2233 	x += crtc->x;
2234 	y += crtc->y;
2235 	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2236 
2237 	if (x < 0) {
2238 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2239 		x = 0;
2240 	}
2241 	if (y < 0) {
2242 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2243 		y = 0;
2244 	}
2245 
2246 	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2247 	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2248 	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2249 	       ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2250 
2251 	return 0;
2252 }
2253 
2254 static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2255 				     int x, int y)
2256 {
2257 	int ret;
2258 
2259 	dce_v6_0_lock_cursor(crtc, true);
2260 	ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2261 	dce_v6_0_lock_cursor(crtc, false);
2262 
2263 	return ret;
2264 }
2265 
2266 static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2267 				     struct drm_file *file_priv,
2268 				     uint32_t handle,
2269 				     uint32_t width,
2270 				     uint32_t height,
2271 				     int32_t hot_x,
2272 				     int32_t hot_y)
2273 {
2274 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2275 	struct drm_gem_object *obj;
2276 	struct amdgpu_bo *aobj;
2277 	int ret;
2278 
2279 	if (!handle) {
2280 		/* turn off cursor */
2281 		dce_v6_0_hide_cursor(crtc);
2282 		obj = NULL;
2283 		goto unpin;
2284 	}
2285 
2286 	if ((width > amdgpu_crtc->max_cursor_width) ||
2287 	    (height > amdgpu_crtc->max_cursor_height)) {
2288 		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2289 		return -EINVAL;
2290 	}
2291 
2292 	obj = drm_gem_object_lookup(file_priv, handle);
2293 	if (!obj) {
2294 		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2295 		return -ENOENT;
2296 	}
2297 
2298 	aobj = gem_to_amdgpu_bo(obj);
2299 	ret = amdgpu_bo_reserve(aobj, false);
2300 	if (ret != 0) {
2301 		drm_gem_object_put(obj);
2302 		return ret;
2303 	}
2304 
2305 	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2306 	amdgpu_bo_unreserve(aobj);
2307 	if (ret) {
2308 		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2309 		drm_gem_object_put(obj);
2310 		return ret;
2311 	}
2312 	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2313 
2314 	dce_v6_0_lock_cursor(crtc, true);
2315 
2316 	if (width != amdgpu_crtc->cursor_width ||
2317 	    height != amdgpu_crtc->cursor_height ||
2318 	    hot_x != amdgpu_crtc->cursor_hot_x ||
2319 	    hot_y != amdgpu_crtc->cursor_hot_y) {
2320 		int x, y;
2321 
2322 		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2323 		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2324 
2325 		dce_v6_0_cursor_move_locked(crtc, x, y);
2326 
2327 		amdgpu_crtc->cursor_width = width;
2328 		amdgpu_crtc->cursor_height = height;
2329 		amdgpu_crtc->cursor_hot_x = hot_x;
2330 		amdgpu_crtc->cursor_hot_y = hot_y;
2331 	}
2332 
2333 	dce_v6_0_show_cursor(crtc);
2334 	dce_v6_0_lock_cursor(crtc, false);
2335 
2336 unpin:
2337 	if (amdgpu_crtc->cursor_bo) {
2338 		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2339 		ret = amdgpu_bo_reserve(aobj, true);
2340 		if (likely(ret == 0)) {
2341 			amdgpu_bo_unpin(aobj);
2342 			amdgpu_bo_unreserve(aobj);
2343 		}
2344 		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2345 	}
2346 
2347 	amdgpu_crtc->cursor_bo = obj;
2348 	return 0;
2349 }
2350 
2351 static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2352 {
2353 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2354 
2355 	if (amdgpu_crtc->cursor_bo) {
2356 		dce_v6_0_lock_cursor(crtc, true);
2357 
2358 		dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2359 					    amdgpu_crtc->cursor_y);
2360 
2361 		dce_v6_0_show_cursor(crtc);
2362 		dce_v6_0_lock_cursor(crtc, false);
2363 	}
2364 }
2365 
2366 static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2367 				   u16 *blue, uint32_t size,
2368 				   struct drm_modeset_acquire_ctx *ctx)
2369 {
2370 	dce_v6_0_crtc_load_lut(crtc);
2371 
2372 	return 0;
2373 }
2374 
2375 static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2376 {
2377 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2378 
2379 	drm_crtc_cleanup(crtc);
2380 	kfree(amdgpu_crtc);
2381 }
2382 
2383 static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2384 	.cursor_set2 = dce_v6_0_crtc_cursor_set2,
2385 	.cursor_move = dce_v6_0_crtc_cursor_move,
2386 	.gamma_set = dce_v6_0_crtc_gamma_set,
2387 	.set_config = amdgpu_display_crtc_set_config,
2388 	.destroy = dce_v6_0_crtc_destroy,
2389 	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2390 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2391 	.enable_vblank = amdgpu_enable_vblank_kms,
2392 	.disable_vblank = amdgpu_disable_vblank_kms,
2393 	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2394 };
2395 
2396 static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2397 {
2398 	struct drm_device *dev = crtc->dev;
2399 	struct amdgpu_device *adev = drm_to_adev(dev);
2400 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2401 	unsigned type;
2402 
2403 	switch (mode) {
2404 	case DRM_MODE_DPMS_ON:
2405 		amdgpu_crtc->enabled = true;
2406 		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2407 		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2408 		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2409 		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2410 						amdgpu_crtc->crtc_id);
2411 		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2412 		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2413 		drm_crtc_vblank_on(crtc);
2414 		dce_v6_0_crtc_load_lut(crtc);
2415 		break;
2416 	case DRM_MODE_DPMS_STANDBY:
2417 	case DRM_MODE_DPMS_SUSPEND:
2418 	case DRM_MODE_DPMS_OFF:
2419 		drm_crtc_vblank_off(crtc);
2420 		if (amdgpu_crtc->enabled)
2421 			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2422 		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2423 		amdgpu_crtc->enabled = false;
2424 		break;
2425 	}
2426 	/* adjust pm to dpms */
2427 	amdgpu_dpm_compute_clocks(adev);
2428 }
2429 
2430 static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2431 {
2432 	/* disable crtc pair power gating before programming */
2433 	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2434 	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2435 	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2436 }
2437 
2438 static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2439 {
2440 	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2441 	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2442 }
2443 
2444 static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2445 {
2446 
2447 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2448 	struct drm_device *dev = crtc->dev;
2449 	struct amdgpu_device *adev = drm_to_adev(dev);
2450 	struct amdgpu_atom_ss ss;
2451 	int i;
2452 
2453 	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2454 	if (crtc->primary->fb) {
2455 		int r;
2456 		struct amdgpu_bo *abo;
2457 
2458 		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2459 		r = amdgpu_bo_reserve(abo, true);
2460 		if (unlikely(r))
2461 			DRM_ERROR("failed to reserve abo before unpin\n");
2462 		else {
2463 			amdgpu_bo_unpin(abo);
2464 			amdgpu_bo_unreserve(abo);
2465 		}
2466 	}
2467 	/* disable the GRPH */
2468 	dce_v6_0_grph_enable(crtc, false);
2469 
2470 	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2471 
2472 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2473 		if (adev->mode_info.crtcs[i] &&
2474 		    adev->mode_info.crtcs[i]->enabled &&
2475 		    i != amdgpu_crtc->crtc_id &&
2476 		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2477 			/* one other crtc is using this pll don't turn
2478 			 * off the pll
2479 			 */
2480 			goto done;
2481 		}
2482 	}
2483 
2484 	switch (amdgpu_crtc->pll_id) {
2485 	case ATOM_PPLL1:
2486 	case ATOM_PPLL2:
2487 		/* disable the ppll */
2488 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2489 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2490 		break;
2491 	default:
2492 		break;
2493 	}
2494 done:
2495 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2496 	amdgpu_crtc->adjusted_clock = 0;
2497 	amdgpu_crtc->encoder = NULL;
2498 	amdgpu_crtc->connector = NULL;
2499 }
2500 
2501 static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2502 				  struct drm_display_mode *mode,
2503 				  struct drm_display_mode *adjusted_mode,
2504 				  int x, int y, struct drm_framebuffer *old_fb)
2505 {
2506 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2507 
2508 	if (!amdgpu_crtc->adjusted_clock)
2509 		return -EINVAL;
2510 
2511 	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2512 	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2513 	dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2514 	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2515 	amdgpu_atombios_crtc_scaler_setup(crtc);
2516 	dce_v6_0_cursor_reset(crtc);
2517 	/* update the hw version fpr dpm */
2518 	amdgpu_crtc->hw_mode = *adjusted_mode;
2519 
2520 	return 0;
2521 }
2522 
2523 static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2524 				     const struct drm_display_mode *mode,
2525 				     struct drm_display_mode *adjusted_mode)
2526 {
2527 
2528 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2529 	struct drm_device *dev = crtc->dev;
2530 	struct drm_encoder *encoder;
2531 
2532 	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2533 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2534 		if (encoder->crtc == crtc) {
2535 			amdgpu_crtc->encoder = encoder;
2536 			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2537 			break;
2538 		}
2539 	}
2540 	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2541 		amdgpu_crtc->encoder = NULL;
2542 		amdgpu_crtc->connector = NULL;
2543 		return false;
2544 	}
2545 	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2546 		return false;
2547 	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2548 		return false;
2549 	/* pick pll */
2550 	amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2551 	/* if we can't get a PPLL for a non-DP encoder, fail */
2552 	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2553 	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2554 		return false;
2555 
2556 	return true;
2557 }
2558 
2559 static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2560 				  struct drm_framebuffer *old_fb)
2561 {
2562 	return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2563 }
2564 
2565 static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2566 					 struct drm_framebuffer *fb,
2567 					 int x, int y, enum mode_set_atomic state)
2568 {
2569 	return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2570 }
2571 
2572 static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2573 	.dpms = dce_v6_0_crtc_dpms,
2574 	.mode_fixup = dce_v6_0_crtc_mode_fixup,
2575 	.mode_set = dce_v6_0_crtc_mode_set,
2576 	.mode_set_base = dce_v6_0_crtc_set_base,
2577 	.mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2578 	.prepare = dce_v6_0_crtc_prepare,
2579 	.commit = dce_v6_0_crtc_commit,
2580 	.disable = dce_v6_0_crtc_disable,
2581 	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2582 };
2583 
2584 static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2585 {
2586 	struct amdgpu_crtc *amdgpu_crtc;
2587 
2588 	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2589 			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2590 	if (amdgpu_crtc == NULL)
2591 		return -ENOMEM;
2592 
2593 	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2594 
2595 	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2596 	amdgpu_crtc->crtc_id = index;
2597 	adev->mode_info.crtcs[index] = amdgpu_crtc;
2598 
2599 	amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2600 	amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2601 	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2602 	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2603 
2604 	amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2605 
2606 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2607 	amdgpu_crtc->adjusted_clock = 0;
2608 	amdgpu_crtc->encoder = NULL;
2609 	amdgpu_crtc->connector = NULL;
2610 	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2611 
2612 	return 0;
2613 }
2614 
2615 static int dce_v6_0_early_init(void *handle)
2616 {
2617 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2618 
2619 	adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2620 	adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2621 
2622 	dce_v6_0_set_display_funcs(adev);
2623 
2624 	adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2625 
2626 	switch (adev->asic_type) {
2627 	case CHIP_TAHITI:
2628 	case CHIP_PITCAIRN:
2629 	case CHIP_VERDE:
2630 		adev->mode_info.num_hpd = 6;
2631 		adev->mode_info.num_dig = 6;
2632 		break;
2633 	case CHIP_OLAND:
2634 		adev->mode_info.num_hpd = 2;
2635 		adev->mode_info.num_dig = 2;
2636 		break;
2637 	default:
2638 		return -EINVAL;
2639 	}
2640 
2641 	dce_v6_0_set_irq_funcs(adev);
2642 
2643 	return 0;
2644 }
2645 
2646 static int dce_v6_0_sw_init(void *handle)
2647 {
2648 	int r, i;
2649 	bool ret;
2650 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2651 
2652 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2653 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2654 		if (r)
2655 			return r;
2656 	}
2657 
2658 	for (i = 8; i < 20; i += 2) {
2659 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2660 		if (r)
2661 			return r;
2662 	}
2663 
2664 	/* HPD hotplug */
2665 	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2666 	if (r)
2667 		return r;
2668 
2669 	adev->mode_info.mode_config_initialized = true;
2670 
2671 	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2672 	adev_to_drm(adev)->mode_config.async_page_flip = true;
2673 	adev_to_drm(adev)->mode_config.max_width = 16384;
2674 	adev_to_drm(adev)->mode_config.max_height = 16384;
2675 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2676 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2677 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2678 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
2679 
2680 	r = amdgpu_display_modeset_create_props(adev);
2681 	if (r)
2682 		return r;
2683 
2684 	adev_to_drm(adev)->mode_config.max_width = 16384;
2685 	adev_to_drm(adev)->mode_config.max_height = 16384;
2686 
2687 	/* allocate crtcs */
2688 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2689 		r = dce_v6_0_crtc_init(adev, i);
2690 		if (r)
2691 			return r;
2692 	}
2693 
2694 	ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2695 	if (ret)
2696 		amdgpu_display_print_display_setup(adev_to_drm(adev));
2697 	else
2698 		return -EINVAL;
2699 
2700 	/* setup afmt */
2701 	r = dce_v6_0_afmt_init(adev);
2702 	if (r)
2703 		return r;
2704 
2705 	r = dce_v6_0_audio_init(adev);
2706 	if (r)
2707 		return r;
2708 
2709 	drm_kms_helper_poll_init(adev_to_drm(adev));
2710 
2711 	return r;
2712 }
2713 
2714 static int dce_v6_0_sw_fini(void *handle)
2715 {
2716 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2717 
2718 	kfree(adev->mode_info.bios_hardcoded_edid);
2719 
2720 	drm_kms_helper_poll_fini(adev_to_drm(adev));
2721 
2722 	dce_v6_0_audio_fini(adev);
2723 	dce_v6_0_afmt_fini(adev);
2724 
2725 	drm_mode_config_cleanup(adev_to_drm(adev));
2726 	adev->mode_info.mode_config_initialized = false;
2727 
2728 	return 0;
2729 }
2730 
2731 static int dce_v6_0_hw_init(void *handle)
2732 {
2733 	int i;
2734 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2735 
2736 	/* disable vga render */
2737 	dce_v6_0_set_vga_render_state(adev, false);
2738 	/* init dig PHYs, disp eng pll */
2739 	amdgpu_atombios_encoder_init_dig(adev);
2740 	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2741 
2742 	/* initialize hpd */
2743 	dce_v6_0_hpd_init(adev);
2744 
2745 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2746 		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2747 	}
2748 
2749 	dce_v6_0_pageflip_interrupt_init(adev);
2750 
2751 	return 0;
2752 }
2753 
2754 static int dce_v6_0_hw_fini(void *handle)
2755 {
2756 	int i;
2757 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2758 
2759 	dce_v6_0_hpd_fini(adev);
2760 
2761 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2762 		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2763 	}
2764 
2765 	dce_v6_0_pageflip_interrupt_fini(adev);
2766 
2767 	return 0;
2768 }
2769 
2770 static int dce_v6_0_suspend(void *handle)
2771 {
2772 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2773 	int r;
2774 
2775 	r = amdgpu_display_suspend_helper(adev);
2776 	if (r)
2777 		return r;
2778 	adev->mode_info.bl_level =
2779 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2780 
2781 	return dce_v6_0_hw_fini(handle);
2782 }
2783 
2784 static int dce_v6_0_resume(void *handle)
2785 {
2786 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2787 	int ret;
2788 
2789 	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2790 							   adev->mode_info.bl_level);
2791 
2792 	ret = dce_v6_0_hw_init(handle);
2793 
2794 	/* turn on the BL */
2795 	if (adev->mode_info.bl_encoder) {
2796 		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2797 								  adev->mode_info.bl_encoder);
2798 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2799 						    bl_level);
2800 	}
2801 	if (ret)
2802 		return ret;
2803 
2804 	return amdgpu_display_resume_helper(adev);
2805 }
2806 
2807 static bool dce_v6_0_is_idle(void *handle)
2808 {
2809 	return true;
2810 }
2811 
2812 static int dce_v6_0_wait_for_idle(void *handle)
2813 {
2814 	return 0;
2815 }
2816 
2817 static int dce_v6_0_soft_reset(void *handle)
2818 {
2819 	DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2820 	return 0;
2821 }
2822 
2823 static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2824 						     int crtc,
2825 						     enum amdgpu_interrupt_state state)
2826 {
2827 	u32 reg_block, interrupt_mask;
2828 
2829 	if (crtc >= adev->mode_info.num_crtc) {
2830 		DRM_DEBUG("invalid crtc %d\n", crtc);
2831 		return;
2832 	}
2833 
2834 	switch (crtc) {
2835 	case 0:
2836 		reg_block = SI_CRTC0_REGISTER_OFFSET;
2837 		break;
2838 	case 1:
2839 		reg_block = SI_CRTC1_REGISTER_OFFSET;
2840 		break;
2841 	case 2:
2842 		reg_block = SI_CRTC2_REGISTER_OFFSET;
2843 		break;
2844 	case 3:
2845 		reg_block = SI_CRTC3_REGISTER_OFFSET;
2846 		break;
2847 	case 4:
2848 		reg_block = SI_CRTC4_REGISTER_OFFSET;
2849 		break;
2850 	case 5:
2851 		reg_block = SI_CRTC5_REGISTER_OFFSET;
2852 		break;
2853 	default:
2854 		DRM_DEBUG("invalid crtc %d\n", crtc);
2855 		return;
2856 	}
2857 
2858 	switch (state) {
2859 	case AMDGPU_IRQ_STATE_DISABLE:
2860 		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2861 		interrupt_mask &= ~VBLANK_INT_MASK;
2862 		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2863 		break;
2864 	case AMDGPU_IRQ_STATE_ENABLE:
2865 		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2866 		interrupt_mask |= VBLANK_INT_MASK;
2867 		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2868 		break;
2869 	default:
2870 		break;
2871 	}
2872 }
2873 
2874 static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2875 						    int crtc,
2876 						    enum amdgpu_interrupt_state state)
2877 {
2878 
2879 }
2880 
2881 static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2882 					    struct amdgpu_irq_src *src,
2883 					    unsigned type,
2884 					    enum amdgpu_interrupt_state state)
2885 {
2886 	u32 dc_hpd_int_cntl;
2887 
2888 	if (type >= adev->mode_info.num_hpd) {
2889 		DRM_DEBUG("invalid hdp %d\n", type);
2890 		return 0;
2891 	}
2892 
2893 	switch (state) {
2894 	case AMDGPU_IRQ_STATE_DISABLE:
2895 		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2896 		dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2897 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2898 		break;
2899 	case AMDGPU_IRQ_STATE_ENABLE:
2900 		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2901 		dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2902 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2903 		break;
2904 	default:
2905 		break;
2906 	}
2907 
2908 	return 0;
2909 }
2910 
2911 static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2912 					     struct amdgpu_irq_src *src,
2913 					     unsigned type,
2914 					     enum amdgpu_interrupt_state state)
2915 {
2916 	switch (type) {
2917 	case AMDGPU_CRTC_IRQ_VBLANK1:
2918 		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2919 		break;
2920 	case AMDGPU_CRTC_IRQ_VBLANK2:
2921 		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2922 		break;
2923 	case AMDGPU_CRTC_IRQ_VBLANK3:
2924 		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2925 		break;
2926 	case AMDGPU_CRTC_IRQ_VBLANK4:
2927 		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2928 		break;
2929 	case AMDGPU_CRTC_IRQ_VBLANK5:
2930 		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2931 		break;
2932 	case AMDGPU_CRTC_IRQ_VBLANK6:
2933 		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2934 		break;
2935 	case AMDGPU_CRTC_IRQ_VLINE1:
2936 		dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2937 		break;
2938 	case AMDGPU_CRTC_IRQ_VLINE2:
2939 		dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2940 		break;
2941 	case AMDGPU_CRTC_IRQ_VLINE3:
2942 		dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2943 		break;
2944 	case AMDGPU_CRTC_IRQ_VLINE4:
2945 		dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2946 		break;
2947 	case AMDGPU_CRTC_IRQ_VLINE5:
2948 		dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2949 		break;
2950 	case AMDGPU_CRTC_IRQ_VLINE6:
2951 		dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2952 		break;
2953 	default:
2954 		break;
2955 	}
2956 	return 0;
2957 }
2958 
2959 static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2960 			     struct amdgpu_irq_src *source,
2961 			     struct amdgpu_iv_entry *entry)
2962 {
2963 	unsigned crtc = entry->src_id - 1;
2964 	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2965 	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2966 								    crtc);
2967 
2968 	switch (entry->src_data[0]) {
2969 	case 0: /* vblank */
2970 		if (disp_int & interrupt_status_offsets[crtc].vblank)
2971 			WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
2972 		else
2973 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2974 
2975 		if (amdgpu_irq_enabled(adev, source, irq_type)) {
2976 			drm_handle_vblank(adev_to_drm(adev), crtc);
2977 		}
2978 		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
2979 		break;
2980 	case 1: /* vline */
2981 		if (disp_int & interrupt_status_offsets[crtc].vline)
2982 			WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
2983 		else
2984 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
2985 
2986 		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
2987 		break;
2988 	default:
2989 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
2990 		break;
2991 	}
2992 
2993 	return 0;
2994 }
2995 
2996 static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
2997 						 struct amdgpu_irq_src *src,
2998 						 unsigned type,
2999 						 enum amdgpu_interrupt_state state)
3000 {
3001 	u32 reg;
3002 
3003 	if (type >= adev->mode_info.num_crtc) {
3004 		DRM_ERROR("invalid pageflip crtc %d\n", type);
3005 		return -EINVAL;
3006 	}
3007 
3008 	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3009 	if (state == AMDGPU_IRQ_STATE_DISABLE)
3010 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3011 		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3012 	else
3013 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3014 		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3015 
3016 	return 0;
3017 }
3018 
3019 static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3020 				 struct amdgpu_irq_src *source,
3021 				 struct amdgpu_iv_entry *entry)
3022 {
3023 	unsigned long flags;
3024 	unsigned crtc_id;
3025 	struct amdgpu_crtc *amdgpu_crtc;
3026 	struct amdgpu_flip_work *works;
3027 
3028 	crtc_id = (entry->src_id - 8) >> 1;
3029 	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3030 
3031 	if (crtc_id >= adev->mode_info.num_crtc) {
3032 		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3033 		return -EINVAL;
3034 	}
3035 
3036 	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3037 	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3038 		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3039 		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3040 
3041 	/* IRQ could occur when in initial stage */
3042 	if (amdgpu_crtc == NULL)
3043 		return 0;
3044 
3045 	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3046 	works = amdgpu_crtc->pflip_works;
3047 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3048 		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3049 						"AMDGPU_FLIP_SUBMITTED(%d)\n",
3050 						amdgpu_crtc->pflip_status,
3051 						AMDGPU_FLIP_SUBMITTED);
3052 		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3053 		return 0;
3054 	}
3055 
3056 	/* page flip completed. clean up */
3057 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3058 	amdgpu_crtc->pflip_works = NULL;
3059 
3060 	/* wakeup usersapce */
3061 	if (works->event)
3062 		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3063 
3064 	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3065 
3066 	drm_crtc_vblank_put(&amdgpu_crtc->base);
3067 	schedule_work(&works->unpin_work);
3068 
3069 	return 0;
3070 }
3071 
3072 static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3073 			    struct amdgpu_irq_src *source,
3074 			    struct amdgpu_iv_entry *entry)
3075 {
3076 	uint32_t disp_int, mask, tmp;
3077 	unsigned hpd;
3078 
3079 	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3080 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3081 		return 0;
3082 	}
3083 
3084 	hpd = entry->src_data[0];
3085 	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3086 	mask = interrupt_status_offsets[hpd].hpd;
3087 
3088 	if (disp_int & mask) {
3089 		tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3090 		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3091 		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3092 		schedule_work(&adev->hotplug_work);
3093 		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3094 	}
3095 
3096 	return 0;
3097 
3098 }
3099 
3100 static int dce_v6_0_set_clockgating_state(void *handle,
3101 					  enum amd_clockgating_state state)
3102 {
3103 	return 0;
3104 }
3105 
3106 static int dce_v6_0_set_powergating_state(void *handle,
3107 					  enum amd_powergating_state state)
3108 {
3109 	return 0;
3110 }
3111 
3112 static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3113 	.name = "dce_v6_0",
3114 	.early_init = dce_v6_0_early_init,
3115 	.late_init = NULL,
3116 	.sw_init = dce_v6_0_sw_init,
3117 	.sw_fini = dce_v6_0_sw_fini,
3118 	.hw_init = dce_v6_0_hw_init,
3119 	.hw_fini = dce_v6_0_hw_fini,
3120 	.suspend = dce_v6_0_suspend,
3121 	.resume = dce_v6_0_resume,
3122 	.is_idle = dce_v6_0_is_idle,
3123 	.wait_for_idle = dce_v6_0_wait_for_idle,
3124 	.soft_reset = dce_v6_0_soft_reset,
3125 	.set_clockgating_state = dce_v6_0_set_clockgating_state,
3126 	.set_powergating_state = dce_v6_0_set_powergating_state,
3127 };
3128 
3129 static void
3130 dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3131 			  struct drm_display_mode *mode,
3132 			  struct drm_display_mode *adjusted_mode)
3133 {
3134 
3135 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3136 	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3137 
3138 	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3139 
3140 	/* need to call this here rather than in prepare() since we need some crtc info */
3141 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3142 
3143 	/* set scaler clears this on some chips */
3144 	dce_v6_0_set_interleave(encoder->crtc, mode);
3145 
3146 	if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3147 		dce_v6_0_afmt_enable(encoder, true);
3148 		dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3149 	}
3150 }
3151 
3152 static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3153 {
3154 
3155 	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3156 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3157 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3158 
3159 	if ((amdgpu_encoder->active_device &
3160 	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3161 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3162 	     ENCODER_OBJECT_ID_NONE)) {
3163 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3164 		if (dig) {
3165 			dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3166 			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3167 				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3168 		}
3169 	}
3170 
3171 	amdgpu_atombios_scratch_regs_lock(adev, true);
3172 
3173 	if (connector) {
3174 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3175 
3176 		/* select the clock/data port if it uses a router */
3177 		if (amdgpu_connector->router.cd_valid)
3178 			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3179 
3180 		/* turn eDP panel on for mode set */
3181 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3182 			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3183 							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3184 	}
3185 
3186 	/* this is needed for the pll/ss setup to work correctly in some cases */
3187 	amdgpu_atombios_encoder_set_crtc_source(encoder);
3188 	/* set up the FMT blocks */
3189 	dce_v6_0_program_fmt(encoder);
3190 }
3191 
3192 static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3193 {
3194 
3195 	struct drm_device *dev = encoder->dev;
3196 	struct amdgpu_device *adev = drm_to_adev(dev);
3197 
3198 	/* need to call this here as we need the crtc set up */
3199 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3200 	amdgpu_atombios_scratch_regs_lock(adev, false);
3201 }
3202 
3203 static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3204 {
3205 
3206 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3207 	struct amdgpu_encoder_atom_dig *dig;
3208 	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3209 
3210 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3211 
3212 	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3213 		if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3214 			dce_v6_0_afmt_enable(encoder, false);
3215 		dig = amdgpu_encoder->enc_priv;
3216 		dig->dig_encoder = -1;
3217 	}
3218 	amdgpu_encoder->active_device = 0;
3219 }
3220 
3221 /* these are handled by the primary encoders */
3222 static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3223 {
3224 
3225 }
3226 
3227 static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3228 {
3229 
3230 }
3231 
3232 static void
3233 dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3234 		      struct drm_display_mode *mode,
3235 		      struct drm_display_mode *adjusted_mode)
3236 {
3237 
3238 }
3239 
3240 static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3241 {
3242 
3243 }
3244 
3245 static void
3246 dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3247 {
3248 
3249 }
3250 
3251 static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3252 				    const struct drm_display_mode *mode,
3253 				    struct drm_display_mode *adjusted_mode)
3254 {
3255 	return true;
3256 }
3257 
3258 static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3259 	.dpms = dce_v6_0_ext_dpms,
3260 	.mode_fixup = dce_v6_0_ext_mode_fixup,
3261 	.prepare = dce_v6_0_ext_prepare,
3262 	.mode_set = dce_v6_0_ext_mode_set,
3263 	.commit = dce_v6_0_ext_commit,
3264 	.disable = dce_v6_0_ext_disable,
3265 	/* no detect for TMDS/LVDS yet */
3266 };
3267 
3268 static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3269 	.dpms = amdgpu_atombios_encoder_dpms,
3270 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3271 	.prepare = dce_v6_0_encoder_prepare,
3272 	.mode_set = dce_v6_0_encoder_mode_set,
3273 	.commit = dce_v6_0_encoder_commit,
3274 	.disable = dce_v6_0_encoder_disable,
3275 	.detect = amdgpu_atombios_encoder_dig_detect,
3276 };
3277 
3278 static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3279 	.dpms = amdgpu_atombios_encoder_dpms,
3280 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3281 	.prepare = dce_v6_0_encoder_prepare,
3282 	.mode_set = dce_v6_0_encoder_mode_set,
3283 	.commit = dce_v6_0_encoder_commit,
3284 	.detect = amdgpu_atombios_encoder_dac_detect,
3285 };
3286 
3287 static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3288 {
3289 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3290 	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3291 		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3292 	kfree(amdgpu_encoder->enc_priv);
3293 	drm_encoder_cleanup(encoder);
3294 	kfree(amdgpu_encoder);
3295 }
3296 
3297 static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3298 	.destroy = dce_v6_0_encoder_destroy,
3299 };
3300 
3301 static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3302 				 uint32_t encoder_enum,
3303 				 uint32_t supported_device,
3304 				 u16 caps)
3305 {
3306 	struct drm_device *dev = adev_to_drm(adev);
3307 	struct drm_encoder *encoder;
3308 	struct amdgpu_encoder *amdgpu_encoder;
3309 
3310 	/* see if we already added it */
3311 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3312 		amdgpu_encoder = to_amdgpu_encoder(encoder);
3313 		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3314 			amdgpu_encoder->devices |= supported_device;
3315 			return;
3316 		}
3317 
3318 	}
3319 
3320 	/* add a new one */
3321 	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3322 	if (!amdgpu_encoder)
3323 		return;
3324 
3325 	encoder = &amdgpu_encoder->base;
3326 	switch (adev->mode_info.num_crtc) {
3327 	case 1:
3328 		encoder->possible_crtcs = 0x1;
3329 		break;
3330 	case 2:
3331 	default:
3332 		encoder->possible_crtcs = 0x3;
3333 		break;
3334 	case 4:
3335 		encoder->possible_crtcs = 0xf;
3336 		break;
3337 	case 6:
3338 		encoder->possible_crtcs = 0x3f;
3339 		break;
3340 	}
3341 
3342 	amdgpu_encoder->enc_priv = NULL;
3343 	amdgpu_encoder->encoder_enum = encoder_enum;
3344 	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3345 	amdgpu_encoder->devices = supported_device;
3346 	amdgpu_encoder->rmx_type = RMX_OFF;
3347 	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3348 	amdgpu_encoder->is_ext_encoder = false;
3349 	amdgpu_encoder->caps = caps;
3350 
3351 	switch (amdgpu_encoder->encoder_id) {
3352 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3353 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3354 		drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3355 				 DRM_MODE_ENCODER_DAC, NULL);
3356 		drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3357 		break;
3358 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3359 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3360 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3361 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3362 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3363 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3364 			amdgpu_encoder->rmx_type = RMX_FULL;
3365 			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3366 					 DRM_MODE_ENCODER_LVDS, NULL);
3367 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3368 		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3369 			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3370 					 DRM_MODE_ENCODER_DAC, NULL);
3371 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3372 		} else {
3373 			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3374 					 DRM_MODE_ENCODER_TMDS, NULL);
3375 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3376 		}
3377 		drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3378 		break;
3379 	case ENCODER_OBJECT_ID_SI170B:
3380 	case ENCODER_OBJECT_ID_CH7303:
3381 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3382 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3383 	case ENCODER_OBJECT_ID_TITFP513:
3384 	case ENCODER_OBJECT_ID_VT1623:
3385 	case ENCODER_OBJECT_ID_HDMI_SI1930:
3386 	case ENCODER_OBJECT_ID_TRAVIS:
3387 	case ENCODER_OBJECT_ID_NUTMEG:
3388 		/* these are handled by the primary encoders */
3389 		amdgpu_encoder->is_ext_encoder = true;
3390 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3391 			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3392 					 DRM_MODE_ENCODER_LVDS, NULL);
3393 		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3394 			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3395 					 DRM_MODE_ENCODER_DAC, NULL);
3396 		else
3397 			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3398 					 DRM_MODE_ENCODER_TMDS, NULL);
3399 		drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3400 		break;
3401 	}
3402 }
3403 
3404 static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3405 	.bandwidth_update = &dce_v6_0_bandwidth_update,
3406 	.vblank_get_counter = &dce_v6_0_vblank_get_counter,
3407 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3408 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3409 	.hpd_sense = &dce_v6_0_hpd_sense,
3410 	.hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3411 	.hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3412 	.page_flip = &dce_v6_0_page_flip,
3413 	.page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3414 	.add_encoder = &dce_v6_0_encoder_add,
3415 	.add_connector = &amdgpu_connector_add,
3416 };
3417 
3418 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3419 {
3420 	adev->mode_info.funcs = &dce_v6_0_display_funcs;
3421 }
3422 
3423 static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3424 	.set = dce_v6_0_set_crtc_interrupt_state,
3425 	.process = dce_v6_0_crtc_irq,
3426 };
3427 
3428 static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3429 	.set = dce_v6_0_set_pageflip_interrupt_state,
3430 	.process = dce_v6_0_pageflip_irq,
3431 };
3432 
3433 static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3434 	.set = dce_v6_0_set_hpd_interrupt_state,
3435 	.process = dce_v6_0_hpd_irq,
3436 };
3437 
3438 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3439 {
3440 	if (adev->mode_info.num_crtc > 0)
3441 		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3442 	else
3443 		adev->crtc_irq.num_types = 0;
3444 	adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3445 
3446 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3447 	adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3448 
3449 	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3450 	adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3451 }
3452 
3453 const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3454 {
3455 	.type = AMD_IP_BLOCK_TYPE_DCE,
3456 	.major = 6,
3457 	.minor = 0,
3458 	.rev = 0,
3459 	.funcs = &dce_v6_0_ip_funcs,
3460 };
3461 
3462 const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3463 {
3464 	.type = AMD_IP_BLOCK_TYPE_DCE,
3465 	.major = 6,
3466 	.minor = 4,
3467 	.rev = 0,
3468 	.funcs = &dce_v6_0_ip_funcs,
3469 };
3470