treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / dce_v11_0.c
blob898ef72d423c213f5c745532c9dacd411556d465
1 /*
2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <drm/drm_fourcc.h>
25 #include <drm/drm_vblank.h>
27 #include "amdgpu.h"
28 #include "amdgpu_pm.h"
29 #include "amdgpu_i2c.h"
30 #include "vid.h"
31 #include "atom.h"
32 #include "amdgpu_atombios.h"
33 #include "atombios_crtc.h"
34 #include "atombios_encoders.h"
35 #include "amdgpu_pll.h"
36 #include "amdgpu_connectors.h"
37 #include "amdgpu_display.h"
38 #include "dce_v11_0.h"
40 #include "dce/dce_11_0_d.h"
41 #include "dce/dce_11_0_sh_mask.h"
42 #include "dce/dce_11_0_enum.h"
43 #include "oss/oss_3_0_d.h"
44 #include "oss/oss_3_0_sh_mask.h"
45 #include "gmc/gmc_8_1_d.h"
46 #include "gmc/gmc_8_1_sh_mask.h"
48 #include "ivsrcid/ivsrcid_vislands30.h"
50 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
51 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
53 static const u32 crtc_offsets[] =
55 CRTC0_REGISTER_OFFSET,
56 CRTC1_REGISTER_OFFSET,
57 CRTC2_REGISTER_OFFSET,
58 CRTC3_REGISTER_OFFSET,
59 CRTC4_REGISTER_OFFSET,
60 CRTC5_REGISTER_OFFSET,
61 CRTC6_REGISTER_OFFSET
64 static const u32 hpd_offsets[] =
66 HPD0_REGISTER_OFFSET,
67 HPD1_REGISTER_OFFSET,
68 HPD2_REGISTER_OFFSET,
69 HPD3_REGISTER_OFFSET,
70 HPD4_REGISTER_OFFSET,
71 HPD5_REGISTER_OFFSET
74 static const uint32_t dig_offsets[] = {
75 DIG0_REGISTER_OFFSET,
76 DIG1_REGISTER_OFFSET,
77 DIG2_REGISTER_OFFSET,
78 DIG3_REGISTER_OFFSET,
79 DIG4_REGISTER_OFFSET,
80 DIG5_REGISTER_OFFSET,
81 DIG6_REGISTER_OFFSET,
82 DIG7_REGISTER_OFFSET,
83 DIG8_REGISTER_OFFSET
86 static const struct {
87 uint32_t reg;
88 uint32_t vblank;
89 uint32_t vline;
90 uint32_t hpd;
92 } interrupt_status_offsets[] = { {
93 .reg = mmDISP_INTERRUPT_STATUS,
94 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
95 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
96 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
97 }, {
98 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
99 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
100 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
101 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
102 }, {
103 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
104 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
105 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
106 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
107 }, {
108 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
109 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
110 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
111 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
112 }, {
113 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
114 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
115 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
116 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
117 }, {
118 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
119 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
120 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
121 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
122 } };
124 static const u32 cz_golden_settings_a11[] =
126 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
127 mmFBC_MISC, 0x1f311fff, 0x14300000,
130 static const u32 cz_mgcg_cgcg_init[] =
132 mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
133 mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
136 static const u32 stoney_golden_settings_a11[] =
138 mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
139 mmFBC_MISC, 0x1f311fff, 0x14302000,
142 static const u32 polaris11_golden_settings_a11[] =
144 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
145 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
146 mmFBC_DEBUG1, 0xffffffff, 0x00000008,
147 mmFBC_MISC, 0x9f313fff, 0x14302008,
148 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
151 static const u32 polaris10_golden_settings_a11[] =
153 mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
154 mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
155 mmFBC_MISC, 0x9f313fff, 0x14302008,
156 mmHDMI_CONTROL, 0x313f031f, 0x00000011,
159 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
161 switch (adev->asic_type) {
162 case CHIP_CARRIZO:
163 amdgpu_device_program_register_sequence(adev,
164 cz_mgcg_cgcg_init,
165 ARRAY_SIZE(cz_mgcg_cgcg_init));
166 amdgpu_device_program_register_sequence(adev,
167 cz_golden_settings_a11,
168 ARRAY_SIZE(cz_golden_settings_a11));
169 break;
170 case CHIP_STONEY:
171 amdgpu_device_program_register_sequence(adev,
172 stoney_golden_settings_a11,
173 ARRAY_SIZE(stoney_golden_settings_a11));
174 break;
175 case CHIP_POLARIS11:
176 case CHIP_POLARIS12:
177 amdgpu_device_program_register_sequence(adev,
178 polaris11_golden_settings_a11,
179 ARRAY_SIZE(polaris11_golden_settings_a11));
180 break;
181 case CHIP_POLARIS10:
182 case CHIP_VEGAM:
183 amdgpu_device_program_register_sequence(adev,
184 polaris10_golden_settings_a11,
185 ARRAY_SIZE(polaris10_golden_settings_a11));
186 break;
187 default:
188 break;
192 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
193 u32 block_offset, u32 reg)
195 unsigned long flags;
196 u32 r;
198 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
199 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
200 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
201 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
203 return r;
206 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
207 u32 block_offset, u32 reg, u32 v)
209 unsigned long flags;
211 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
212 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
213 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
214 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
217 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
219 if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
220 return 0;
221 else
222 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
225 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
227 unsigned i;
229 /* Enable pflip interrupts */
230 for (i = 0; i < adev->mode_info.num_crtc; i++)
231 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
234 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
236 unsigned i;
238 /* Disable pflip interrupts */
239 for (i = 0; i < adev->mode_info.num_crtc; i++)
240 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
244 * dce_v11_0_page_flip - pageflip callback.
246 * @adev: amdgpu_device pointer
247 * @crtc_id: crtc to cleanup pageflip on
248 * @crtc_base: new address of the crtc (GPU MC address)
250 * Triggers the actual pageflip by updating the primary
251 * surface base address.
253 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
254 int crtc_id, u64 crtc_base, bool async)
256 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
257 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
258 u32 tmp;
260 /* flip immediate for async, default is vsync */
261 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
262 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
263 GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
264 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
265 /* update pitch */
266 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
267 fb->pitches[0] / fb->format->cpp[0]);
268 /* update the scanout addresses */
269 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
270 upper_32_bits(crtc_base));
271 /* writing to the low address triggers the update */
272 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
273 lower_32_bits(crtc_base));
274 /* post the write */
275 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
278 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
279 u32 *vbl, u32 *position)
281 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
282 return -EINVAL;
284 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
285 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
287 return 0;
291 * dce_v11_0_hpd_sense - hpd sense callback.
293 * @adev: amdgpu_device pointer
294 * @hpd: hpd (hotplug detect) pin
296 * Checks if a digital monitor is connected (evergreen+).
297 * Returns true if connected, false if not connected.
299 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
300 enum amdgpu_hpd_id hpd)
302 bool connected = false;
304 if (hpd >= adev->mode_info.num_hpd)
305 return connected;
307 if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
308 DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
309 connected = true;
311 return connected;
315 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
317 * @adev: amdgpu_device pointer
318 * @hpd: hpd (hotplug detect) pin
320 * Set the polarity of the hpd pin (evergreen+).
322 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
323 enum amdgpu_hpd_id hpd)
325 u32 tmp;
326 bool connected = dce_v11_0_hpd_sense(adev, hpd);
328 if (hpd >= adev->mode_info.num_hpd)
329 return;
331 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
332 if (connected)
333 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
334 else
335 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
336 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
340 * dce_v11_0_hpd_init - hpd setup callback.
342 * @adev: amdgpu_device pointer
344 * Setup the hpd pins used by the card (evergreen+).
345 * Enable the pin, set the polarity, and enable the hpd interrupts.
347 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
349 struct drm_device *dev = adev->ddev;
350 struct drm_connector *connector;
351 struct drm_connector_list_iter iter;
352 u32 tmp;
354 drm_connector_list_iter_begin(dev, &iter);
355 drm_for_each_connector_iter(connector, &iter) {
356 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
358 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
359 continue;
361 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
362 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
363 /* don't try to enable hpd on eDP or LVDS avoid breaking the
364 * aux dp channel on imac and help (but not completely fix)
365 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
366 * also avoid interrupt storms during dpms.
368 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
369 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
370 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
371 continue;
374 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
375 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
376 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
378 tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
379 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
380 DC_HPD_CONNECT_INT_DELAY,
381 AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
382 tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
383 DC_HPD_DISCONNECT_INT_DELAY,
384 AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
385 WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
387 dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
388 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
390 drm_connector_list_iter_end(&iter);
394 * dce_v11_0_hpd_fini - hpd tear down callback.
396 * @adev: amdgpu_device pointer
398 * Tear down the hpd pins used by the card (evergreen+).
399 * Disable the hpd interrupts.
401 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
403 struct drm_device *dev = adev->ddev;
404 struct drm_connector *connector;
405 struct drm_connector_list_iter iter;
406 u32 tmp;
408 drm_connector_list_iter_begin(dev, &iter);
409 drm_for_each_connector_iter(connector, &iter) {
410 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
412 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
413 continue;
415 tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
416 tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
417 WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
419 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
421 drm_connector_list_iter_end(&iter);
424 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
426 return mmDC_GPIO_HPD_A;
429 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
431 u32 crtc_hung = 0;
432 u32 crtc_status[6];
433 u32 i, j, tmp;
435 for (i = 0; i < adev->mode_info.num_crtc; i++) {
436 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
437 if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
438 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
439 crtc_hung |= (1 << i);
443 for (j = 0; j < 10; j++) {
444 for (i = 0; i < adev->mode_info.num_crtc; i++) {
445 if (crtc_hung & (1 << i)) {
446 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
447 if (tmp != crtc_status[i])
448 crtc_hung &= ~(1 << i);
451 if (crtc_hung == 0)
452 return false;
453 udelay(100);
456 return true;
459 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
460 bool render)
462 u32 tmp;
464 /* Lockout access through VGA aperture*/
465 tmp = RREG32(mmVGA_HDP_CONTROL);
466 if (render)
467 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
468 else
469 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
470 WREG32(mmVGA_HDP_CONTROL, tmp);
472 /* disable VGA render */
473 tmp = RREG32(mmVGA_RENDER_CONTROL);
474 if (render)
475 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
476 else
477 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
478 WREG32(mmVGA_RENDER_CONTROL, tmp);
481 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
483 int num_crtc = 0;
485 switch (adev->asic_type) {
486 case CHIP_CARRIZO:
487 num_crtc = 3;
488 break;
489 case CHIP_STONEY:
490 num_crtc = 2;
491 break;
492 case CHIP_POLARIS10:
493 case CHIP_VEGAM:
494 num_crtc = 6;
495 break;
496 case CHIP_POLARIS11:
497 case CHIP_POLARIS12:
498 num_crtc = 5;
499 break;
500 default:
501 num_crtc = 0;
503 return num_crtc;
506 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
508 /*Disable VGA render and enabled crtc, if has DCE engine*/
509 if (amdgpu_atombios_has_dce_engine_info(adev)) {
510 u32 tmp;
511 int crtc_enabled, i;
513 dce_v11_0_set_vga_render_state(adev, false);
515 /*Disable crtc*/
516 for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
517 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
518 CRTC_CONTROL, CRTC_MASTER_EN);
519 if (crtc_enabled) {
520 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
521 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
522 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
523 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
524 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
530 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
532 struct drm_device *dev = encoder->dev;
533 struct amdgpu_device *adev = dev->dev_private;
534 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
535 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
536 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
537 int bpc = 0;
538 u32 tmp = 0;
539 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
541 if (connector) {
542 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
543 bpc = amdgpu_connector_get_monitor_bpc(connector);
544 dither = amdgpu_connector->dither;
547 /* LVDS/eDP FMT is set up by atom */
548 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
549 return;
551 /* not needed for analog */
552 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
553 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
554 return;
556 if (bpc == 0)
557 return;
559 switch (bpc) {
560 case 6:
561 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
562 /* XXX sort out optimal dither settings */
563 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
564 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
565 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
566 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
567 } else {
568 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
569 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
571 break;
572 case 8:
573 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
574 /* XXX sort out optimal dither settings */
575 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
576 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
577 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
578 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
579 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
580 } else {
581 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
582 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
584 break;
585 case 10:
586 if (dither == AMDGPU_FMT_DITHER_ENABLE) {
587 /* XXX sort out optimal dither settings */
588 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
589 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
590 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
591 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
592 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
593 } else {
594 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
595 tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
597 break;
598 default:
599 /* not needed */
600 break;
603 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
607 /* display watermark setup */
609 * dce_v11_0_line_buffer_adjust - Set up the line buffer
611 * @adev: amdgpu_device pointer
612 * @amdgpu_crtc: the selected display controller
613 * @mode: the current display mode on the selected display
614 * controller
616 * Setup up the line buffer allocation for
617 * the selected display controller (CIK).
618 * Returns the line buffer size in pixels.
620 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
621 struct amdgpu_crtc *amdgpu_crtc,
622 struct drm_display_mode *mode)
624 u32 tmp, buffer_alloc, i, mem_cfg;
625 u32 pipe_offset = amdgpu_crtc->crtc_id;
627 * Line Buffer Setup
628 * There are 6 line buffers, one for each display controllers.
629 * There are 3 partitions per LB. Select the number of partitions
630 * to enable based on the display width. For display widths larger
631 * than 4096, you need use to use 2 display controllers and combine
632 * them using the stereo blender.
634 if (amdgpu_crtc->base.enabled && mode) {
635 if (mode->crtc_hdisplay < 1920) {
636 mem_cfg = 1;
637 buffer_alloc = 2;
638 } else if (mode->crtc_hdisplay < 2560) {
639 mem_cfg = 2;
640 buffer_alloc = 2;
641 } else if (mode->crtc_hdisplay < 4096) {
642 mem_cfg = 0;
643 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
644 } else {
645 DRM_DEBUG_KMS("Mode too big for LB!\n");
646 mem_cfg = 0;
647 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
649 } else {
650 mem_cfg = 1;
651 buffer_alloc = 0;
654 tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
655 tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
656 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
658 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
659 tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
660 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
662 for (i = 0; i < adev->usec_timeout; i++) {
663 tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
664 if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
665 break;
666 udelay(1);
669 if (amdgpu_crtc->base.enabled && mode) {
670 switch (mem_cfg) {
671 case 0:
672 default:
673 return 4096 * 2;
674 case 1:
675 return 1920 * 2;
676 case 2:
677 return 2560 * 2;
681 /* controller not enabled, so no lb used */
682 return 0;
686 * cik_get_number_of_dram_channels - get the number of dram channels
688 * @adev: amdgpu_device pointer
690 * Look up the number of video ram channels (CIK).
691 * Used for display watermark bandwidth calculations
692 * Returns the number of dram channels
694 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
696 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
698 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
699 case 0:
700 default:
701 return 1;
702 case 1:
703 return 2;
704 case 2:
705 return 4;
706 case 3:
707 return 8;
708 case 4:
709 return 3;
710 case 5:
711 return 6;
712 case 6:
713 return 10;
714 case 7:
715 return 12;
716 case 8:
717 return 16;
721 struct dce10_wm_params {
722 u32 dram_channels; /* number of dram channels */
723 u32 yclk; /* bandwidth per dram data pin in kHz */
724 u32 sclk; /* engine clock in kHz */
725 u32 disp_clk; /* display clock in kHz */
726 u32 src_width; /* viewport width */
727 u32 active_time; /* active display time in ns */
728 u32 blank_time; /* blank time in ns */
729 bool interlaced; /* mode is interlaced */
730 fixed20_12 vsc; /* vertical scale ratio */
731 u32 num_heads; /* number of active crtcs */
732 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
733 u32 lb_size; /* line buffer allocated to pipe */
734 u32 vtaps; /* vertical scaler taps */
738 * dce_v11_0_dram_bandwidth - get the dram bandwidth
740 * @wm: watermark calculation data
742 * Calculate the raw dram bandwidth (CIK).
743 * Used for display watermark bandwidth calculations
744 * Returns the dram bandwidth in MBytes/s
746 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
748 /* Calculate raw DRAM Bandwidth */
749 fixed20_12 dram_efficiency; /* 0.7 */
750 fixed20_12 yclk, dram_channels, bandwidth;
751 fixed20_12 a;
753 a.full = dfixed_const(1000);
754 yclk.full = dfixed_const(wm->yclk);
755 yclk.full = dfixed_div(yclk, a);
756 dram_channels.full = dfixed_const(wm->dram_channels * 4);
757 a.full = dfixed_const(10);
758 dram_efficiency.full = dfixed_const(7);
759 dram_efficiency.full = dfixed_div(dram_efficiency, a);
760 bandwidth.full = dfixed_mul(dram_channels, yclk);
761 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
763 return dfixed_trunc(bandwidth);
767 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
769 * @wm: watermark calculation data
771 * Calculate the dram bandwidth used for display (CIK).
772 * Used for display watermark bandwidth calculations
773 * Returns the dram bandwidth for display in MBytes/s
775 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
777 /* Calculate DRAM Bandwidth and the part allocated to display. */
778 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
779 fixed20_12 yclk, dram_channels, bandwidth;
780 fixed20_12 a;
782 a.full = dfixed_const(1000);
783 yclk.full = dfixed_const(wm->yclk);
784 yclk.full = dfixed_div(yclk, a);
785 dram_channels.full = dfixed_const(wm->dram_channels * 4);
786 a.full = dfixed_const(10);
787 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
788 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
789 bandwidth.full = dfixed_mul(dram_channels, yclk);
790 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
792 return dfixed_trunc(bandwidth);
796 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
798 * @wm: watermark calculation data
800 * Calculate the data return bandwidth used for display (CIK).
801 * Used for display watermark bandwidth calculations
802 * Returns the data return bandwidth in MBytes/s
804 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
806 /* Calculate the display Data return Bandwidth */
807 fixed20_12 return_efficiency; /* 0.8 */
808 fixed20_12 sclk, bandwidth;
809 fixed20_12 a;
811 a.full = dfixed_const(1000);
812 sclk.full = dfixed_const(wm->sclk);
813 sclk.full = dfixed_div(sclk, a);
814 a.full = dfixed_const(10);
815 return_efficiency.full = dfixed_const(8);
816 return_efficiency.full = dfixed_div(return_efficiency, a);
817 a.full = dfixed_const(32);
818 bandwidth.full = dfixed_mul(a, sclk);
819 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
821 return dfixed_trunc(bandwidth);
825 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
827 * @wm: watermark calculation data
829 * Calculate the dmif bandwidth used for display (CIK).
830 * Used for display watermark bandwidth calculations
831 * Returns the dmif bandwidth in MBytes/s
833 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
835 /* Calculate the DMIF Request Bandwidth */
836 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
837 fixed20_12 disp_clk, bandwidth;
838 fixed20_12 a, b;
840 a.full = dfixed_const(1000);
841 disp_clk.full = dfixed_const(wm->disp_clk);
842 disp_clk.full = dfixed_div(disp_clk, a);
843 a.full = dfixed_const(32);
844 b.full = dfixed_mul(a, disp_clk);
846 a.full = dfixed_const(10);
847 disp_clk_request_efficiency.full = dfixed_const(8);
848 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
850 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
852 return dfixed_trunc(bandwidth);
856 * dce_v11_0_available_bandwidth - get the min available bandwidth
858 * @wm: watermark calculation data
860 * Calculate the min available bandwidth used for display (CIK).
861 * Used for display watermark bandwidth calculations
862 * Returns the min available bandwidth in MBytes/s
864 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
866 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
867 u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
868 u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
869 u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
871 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
875 * dce_v11_0_average_bandwidth - get the average available bandwidth
877 * @wm: watermark calculation data
879 * Calculate the average available bandwidth used for display (CIK).
880 * Used for display watermark bandwidth calculations
881 * Returns the average available bandwidth in MBytes/s
883 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
885 /* Calculate the display mode Average Bandwidth
886 * DisplayMode should contain the source and destination dimensions,
887 * timing, etc.
889 fixed20_12 bpp;
890 fixed20_12 line_time;
891 fixed20_12 src_width;
892 fixed20_12 bandwidth;
893 fixed20_12 a;
895 a.full = dfixed_const(1000);
896 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
897 line_time.full = dfixed_div(line_time, a);
898 bpp.full = dfixed_const(wm->bytes_per_pixel);
899 src_width.full = dfixed_const(wm->src_width);
900 bandwidth.full = dfixed_mul(src_width, bpp);
901 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
902 bandwidth.full = dfixed_div(bandwidth, line_time);
904 return dfixed_trunc(bandwidth);
908 * dce_v11_0_latency_watermark - get the latency watermark
910 * @wm: watermark calculation data
912 * Calculate the latency watermark (CIK).
913 * Used for display watermark bandwidth calculations
914 * Returns the latency watermark in ns
916 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
918 /* First calculate the latency in ns */
919 u32 mc_latency = 2000; /* 2000 ns. */
920 u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
921 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
922 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
923 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
924 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
925 (wm->num_heads * cursor_line_pair_return_time);
926 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
927 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
928 u32 tmp, dmif_size = 12288;
929 fixed20_12 a, b, c;
931 if (wm->num_heads == 0)
932 return 0;
934 a.full = dfixed_const(2);
935 b.full = dfixed_const(1);
936 if ((wm->vsc.full > a.full) ||
937 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
938 (wm->vtaps >= 5) ||
939 ((wm->vsc.full >= a.full) && wm->interlaced))
940 max_src_lines_per_dst_line = 4;
941 else
942 max_src_lines_per_dst_line = 2;
944 a.full = dfixed_const(available_bandwidth);
945 b.full = dfixed_const(wm->num_heads);
946 a.full = dfixed_div(a, b);
947 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
948 tmp = min(dfixed_trunc(a), tmp);
950 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
952 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
953 b.full = dfixed_const(1000);
954 c.full = dfixed_const(lb_fill_bw);
955 b.full = dfixed_div(c, b);
956 a.full = dfixed_div(a, b);
957 line_fill_time = dfixed_trunc(a);
959 if (line_fill_time < wm->active_time)
960 return latency;
961 else
962 return latency + (line_fill_time - wm->active_time);
967 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
968 * average and available dram bandwidth
970 * @wm: watermark calculation data
972 * Check if the display average bandwidth fits in the display
973 * dram bandwidth (CIK).
974 * Used for display watermark bandwidth calculations
975 * Returns true if the display fits, false if not.
977 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
979 if (dce_v11_0_average_bandwidth(wm) <=
980 (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
981 return true;
982 else
983 return false;
987 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
988 * average and available bandwidth
990 * @wm: watermark calculation data
992 * Check if the display average bandwidth fits in the display
993 * available bandwidth (CIK).
994 * Used for display watermark bandwidth calculations
995 * Returns true if the display fits, false if not.
997 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
999 if (dce_v11_0_average_bandwidth(wm) <=
1000 (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1001 return true;
1002 else
1003 return false;
1007 * dce_v11_0_check_latency_hiding - check latency hiding
1009 * @wm: watermark calculation data
1011 * Check latency hiding (CIK).
1012 * Used for display watermark bandwidth calculations
1013 * Returns true if the display fits, false if not.
1015 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1017 u32 lb_partitions = wm->lb_size / wm->src_width;
1018 u32 line_time = wm->active_time + wm->blank_time;
1019 u32 latency_tolerant_lines;
1020 u32 latency_hiding;
1021 fixed20_12 a;
1023 a.full = dfixed_const(1);
1024 if (wm->vsc.full > a.full)
1025 latency_tolerant_lines = 1;
1026 else {
1027 if (lb_partitions <= (wm->vtaps + 1))
1028 latency_tolerant_lines = 1;
1029 else
1030 latency_tolerant_lines = 2;
1033 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1035 if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1036 return true;
1037 else
1038 return false;
1042 * dce_v11_0_program_watermarks - program display watermarks
1044 * @adev: amdgpu_device pointer
1045 * @amdgpu_crtc: the selected display controller
1046 * @lb_size: line buffer size
1047 * @num_heads: number of display controllers in use
1049 * Calculate and program the display watermarks for the
1050 * selected display controller (CIK).
1052 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1053 struct amdgpu_crtc *amdgpu_crtc,
1054 u32 lb_size, u32 num_heads)
1056 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1057 struct dce10_wm_params wm_low, wm_high;
1058 u32 active_time;
1059 u32 line_time = 0;
1060 u32 latency_watermark_a = 0, latency_watermark_b = 0;
1061 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1063 if (amdgpu_crtc->base.enabled && num_heads && mode) {
1064 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1065 (u32)mode->clock);
1066 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1067 (u32)mode->clock);
1068 line_time = min(line_time, (u32)65535);
1070 /* watermark for high clocks */
1071 if (adev->pm.dpm_enabled) {
1072 wm_high.yclk =
1073 amdgpu_dpm_get_mclk(adev, false) * 10;
1074 wm_high.sclk =
1075 amdgpu_dpm_get_sclk(adev, false) * 10;
1076 } else {
1077 wm_high.yclk = adev->pm.current_mclk * 10;
1078 wm_high.sclk = adev->pm.current_sclk * 10;
1081 wm_high.disp_clk = mode->clock;
1082 wm_high.src_width = mode->crtc_hdisplay;
1083 wm_high.active_time = active_time;
1084 wm_high.blank_time = line_time - wm_high.active_time;
1085 wm_high.interlaced = false;
1086 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1087 wm_high.interlaced = true;
1088 wm_high.vsc = amdgpu_crtc->vsc;
1089 wm_high.vtaps = 1;
1090 if (amdgpu_crtc->rmx_type != RMX_OFF)
1091 wm_high.vtaps = 2;
1092 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1093 wm_high.lb_size = lb_size;
1094 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1095 wm_high.num_heads = num_heads;
1097 /* set for high clocks */
1098 latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1100 /* possibly force display priority to high */
1101 /* should really do this at mode validation time... */
1102 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1103 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1104 !dce_v11_0_check_latency_hiding(&wm_high) ||
1105 (adev->mode_info.disp_priority == 2)) {
1106 DRM_DEBUG_KMS("force priority to high\n");
1109 /* watermark for low clocks */
1110 if (adev->pm.dpm_enabled) {
1111 wm_low.yclk =
1112 amdgpu_dpm_get_mclk(adev, true) * 10;
1113 wm_low.sclk =
1114 amdgpu_dpm_get_sclk(adev, true) * 10;
1115 } else {
1116 wm_low.yclk = adev->pm.current_mclk * 10;
1117 wm_low.sclk = adev->pm.current_sclk * 10;
1120 wm_low.disp_clk = mode->clock;
1121 wm_low.src_width = mode->crtc_hdisplay;
1122 wm_low.active_time = active_time;
1123 wm_low.blank_time = line_time - wm_low.active_time;
1124 wm_low.interlaced = false;
1125 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1126 wm_low.interlaced = true;
1127 wm_low.vsc = amdgpu_crtc->vsc;
1128 wm_low.vtaps = 1;
1129 if (amdgpu_crtc->rmx_type != RMX_OFF)
1130 wm_low.vtaps = 2;
1131 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1132 wm_low.lb_size = lb_size;
1133 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1134 wm_low.num_heads = num_heads;
1136 /* set for low clocks */
1137 latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1139 /* possibly force display priority to high */
1140 /* should really do this at mode validation time... */
1141 if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1142 !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1143 !dce_v11_0_check_latency_hiding(&wm_low) ||
1144 (adev->mode_info.disp_priority == 2)) {
1145 DRM_DEBUG_KMS("force priority to high\n");
1147 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1150 /* select wm A */
1151 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1152 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1153 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1154 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1155 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1156 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1157 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1158 /* select wm B */
1159 tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1160 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1161 tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1162 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1163 tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1164 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1165 /* restore original selection */
1166 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1168 /* save values for DPM */
1169 amdgpu_crtc->line_time = line_time;
1170 amdgpu_crtc->wm_high = latency_watermark_a;
1171 amdgpu_crtc->wm_low = latency_watermark_b;
1172 /* Save number of lines the linebuffer leads before the scanout */
1173 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1177 * dce_v11_0_bandwidth_update - program display watermarks
1179 * @adev: amdgpu_device pointer
1181 * Calculate and program the display watermarks and line
1182 * buffer allocation (CIK).
1184 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1186 struct drm_display_mode *mode = NULL;
1187 u32 num_heads = 0, lb_size;
1188 int i;
1190 amdgpu_display_update_priority(adev);
1192 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1193 if (adev->mode_info.crtcs[i]->base.enabled)
1194 num_heads++;
1196 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1197 mode = &adev->mode_info.crtcs[i]->base.mode;
1198 lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1199 dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1200 lb_size, num_heads);
1204 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1206 int i;
1207 u32 offset, tmp;
1209 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1210 offset = adev->mode_info.audio.pin[i].offset;
1211 tmp = RREG32_AUDIO_ENDPT(offset,
1212 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1213 if (((tmp &
1214 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1215 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1216 adev->mode_info.audio.pin[i].connected = false;
1217 else
1218 adev->mode_info.audio.pin[i].connected = true;
1222 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1224 int i;
1226 dce_v11_0_audio_get_connected_pins(adev);
1228 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1229 if (adev->mode_info.audio.pin[i].connected)
1230 return &adev->mode_info.audio.pin[i];
1232 DRM_ERROR("No connected audio pins found!\n");
1233 return NULL;
1236 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1238 struct amdgpu_device *adev = encoder->dev->dev_private;
1239 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1240 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1241 u32 tmp;
1243 if (!dig || !dig->afmt || !dig->afmt->pin)
1244 return;
1246 tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1247 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1248 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1251 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1252 struct drm_display_mode *mode)
1254 struct drm_device *dev = encoder->dev;
1255 struct amdgpu_device *adev = dev->dev_private;
1256 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1257 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1258 struct drm_connector *connector;
1259 struct drm_connector_list_iter iter;
1260 struct amdgpu_connector *amdgpu_connector = NULL;
1261 u32 tmp;
1262 int interlace = 0;
1264 if (!dig || !dig->afmt || !dig->afmt->pin)
1265 return;
1267 drm_connector_list_iter_begin(dev, &iter);
1268 drm_for_each_connector_iter(connector, &iter) {
1269 if (connector->encoder == encoder) {
1270 amdgpu_connector = to_amdgpu_connector(connector);
1271 break;
1274 drm_connector_list_iter_end(&iter);
1276 if (!amdgpu_connector) {
1277 DRM_ERROR("Couldn't find encoder's connector\n");
1278 return;
1281 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1282 interlace = 1;
1283 if (connector->latency_present[interlace]) {
1284 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1285 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1286 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1287 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1288 } else {
1289 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1290 VIDEO_LIPSYNC, 0);
1291 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1292 AUDIO_LIPSYNC, 0);
1294 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1295 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1298 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1300 struct drm_device *dev = encoder->dev;
1301 struct amdgpu_device *adev = dev->dev_private;
1302 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1303 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1304 struct drm_connector *connector;
1305 struct drm_connector_list_iter iter;
1306 struct amdgpu_connector *amdgpu_connector = NULL;
1307 u32 tmp;
1308 u8 *sadb = NULL;
1309 int sad_count;
1311 if (!dig || !dig->afmt || !dig->afmt->pin)
1312 return;
1314 drm_connector_list_iter_begin(dev, &iter);
1315 drm_for_each_connector_iter(connector, &iter) {
1316 if (connector->encoder == encoder) {
1317 amdgpu_connector = to_amdgpu_connector(connector);
1318 break;
1321 drm_connector_list_iter_end(&iter);
1323 if (!amdgpu_connector) {
1324 DRM_ERROR("Couldn't find encoder's connector\n");
1325 return;
1328 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1329 if (sad_count < 0) {
1330 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1331 sad_count = 0;
1334 /* program the speaker allocation */
1335 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1336 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1337 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1338 DP_CONNECTION, 0);
1339 /* set HDMI mode */
1340 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1341 HDMI_CONNECTION, 1);
1342 if (sad_count)
1343 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344 SPEAKER_ALLOCATION, sadb[0]);
1345 else
1346 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347 SPEAKER_ALLOCATION, 5); /* stereo */
1348 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1349 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1351 kfree(sadb);
1354 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1356 struct drm_device *dev = encoder->dev;
1357 struct amdgpu_device *adev = dev->dev_private;
1358 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1359 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1360 struct drm_connector *connector;
1361 struct drm_connector_list_iter iter;
1362 struct amdgpu_connector *amdgpu_connector = NULL;
1363 struct cea_sad *sads;
1364 int i, sad_count;
1366 static const u16 eld_reg_to_type[][2] = {
1367 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1368 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1369 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1370 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1371 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1372 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1373 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1374 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1375 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1376 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1377 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1378 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1381 if (!dig || !dig->afmt || !dig->afmt->pin)
1382 return;
1384 drm_connector_list_iter_begin(dev, &iter);
1385 drm_for_each_connector_iter(connector, &iter) {
1386 if (connector->encoder == encoder) {
1387 amdgpu_connector = to_amdgpu_connector(connector);
1388 break;
1391 drm_connector_list_iter_end(&iter);
1393 if (!amdgpu_connector) {
1394 DRM_ERROR("Couldn't find encoder's connector\n");
1395 return;
1398 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1399 if (sad_count < 0)
1400 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1401 if (sad_count <= 0)
1402 return;
1403 BUG_ON(!sads);
1405 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1406 u32 tmp = 0;
1407 u8 stereo_freqs = 0;
1408 int max_channels = -1;
1409 int j;
1411 for (j = 0; j < sad_count; j++) {
1412 struct cea_sad *sad = &sads[j];
1414 if (sad->format == eld_reg_to_type[i][1]) {
1415 if (sad->channels > max_channels) {
1416 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1417 MAX_CHANNELS, sad->channels);
1418 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1419 DESCRIPTOR_BYTE_2, sad->byte2);
1420 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1421 SUPPORTED_FREQUENCIES, sad->freq);
1422 max_channels = sad->channels;
1425 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1426 stereo_freqs |= sad->freq;
1427 else
1428 break;
1432 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1433 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1434 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1437 kfree(sads);
1440 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1441 struct amdgpu_audio_pin *pin,
1442 bool enable)
1444 if (!pin)
1445 return;
1447 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1448 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1451 static const u32 pin_offsets[] =
1453 AUD0_REGISTER_OFFSET,
1454 AUD1_REGISTER_OFFSET,
1455 AUD2_REGISTER_OFFSET,
1456 AUD3_REGISTER_OFFSET,
1457 AUD4_REGISTER_OFFSET,
1458 AUD5_REGISTER_OFFSET,
1459 AUD6_REGISTER_OFFSET,
1460 AUD7_REGISTER_OFFSET,
1463 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1465 int i;
1467 if (!amdgpu_audio)
1468 return 0;
1470 adev->mode_info.audio.enabled = true;
1472 switch (adev->asic_type) {
1473 case CHIP_CARRIZO:
1474 case CHIP_STONEY:
1475 adev->mode_info.audio.num_pins = 7;
1476 break;
1477 case CHIP_POLARIS10:
1478 case CHIP_VEGAM:
1479 adev->mode_info.audio.num_pins = 8;
1480 break;
1481 case CHIP_POLARIS11:
1482 case CHIP_POLARIS12:
1483 adev->mode_info.audio.num_pins = 6;
1484 break;
1485 default:
1486 return -EINVAL;
1489 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1490 adev->mode_info.audio.pin[i].channels = -1;
1491 adev->mode_info.audio.pin[i].rate = -1;
1492 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1493 adev->mode_info.audio.pin[i].status_bits = 0;
1494 adev->mode_info.audio.pin[i].category_code = 0;
1495 adev->mode_info.audio.pin[i].connected = false;
1496 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1497 adev->mode_info.audio.pin[i].id = i;
1498 /* disable audio. it will be set up later */
1499 /* XXX remove once we switch to ip funcs */
1500 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1503 return 0;
1506 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1508 int i;
1510 if (!amdgpu_audio)
1511 return;
1513 if (!adev->mode_info.audio.enabled)
1514 return;
1516 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1517 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1519 adev->mode_info.audio.enabled = false;
1523 * update the N and CTS parameters for a given pixel clock rate
1525 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1527 struct drm_device *dev = encoder->dev;
1528 struct amdgpu_device *adev = dev->dev_private;
1529 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1530 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1531 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1532 u32 tmp;
1534 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1535 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1536 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1537 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1538 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1539 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1541 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1542 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1543 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1544 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1545 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1546 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1548 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1549 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1550 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1551 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1552 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1553 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1558 * build a HDMI Video Info Frame
1560 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1561 void *buffer, size_t size)
1563 struct drm_device *dev = encoder->dev;
1564 struct amdgpu_device *adev = dev->dev_private;
1565 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1566 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1567 uint8_t *frame = buffer + 3;
1568 uint8_t *header = buffer;
1570 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1571 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1572 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1573 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1574 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1575 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1576 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1577 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1580 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1582 struct drm_device *dev = encoder->dev;
1583 struct amdgpu_device *adev = dev->dev_private;
1584 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1585 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1586 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1587 u32 dto_phase = 24 * 1000;
1588 u32 dto_modulo = clock;
1589 u32 tmp;
1591 if (!dig || !dig->afmt)
1592 return;
1594 /* XXX two dtos; generally use dto0 for hdmi */
1595 /* Express [24MHz / target pixel clock] as an exact rational
1596 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1597 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1599 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1600 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1601 amdgpu_crtc->crtc_id);
1602 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1603 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1604 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1608 * update the info frames with the data from the current display mode
1610 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1611 struct drm_display_mode *mode)
1613 struct drm_device *dev = encoder->dev;
1614 struct amdgpu_device *adev = dev->dev_private;
1615 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1616 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1617 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1618 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1619 struct hdmi_avi_infoframe frame;
1620 ssize_t err;
1621 u32 tmp;
1622 int bpc = 8;
1624 if (!dig || !dig->afmt)
1625 return;
1627 /* Silent, r600_hdmi_enable will raise WARN for us */
1628 if (!dig->afmt->enabled)
1629 return;
1631 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1632 if (encoder->crtc) {
1633 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1634 bpc = amdgpu_crtc->bpc;
1637 /* disable audio prior to setting up hw */
1638 dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1639 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1641 dce_v11_0_audio_set_dto(encoder, mode->clock);
1643 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1644 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1645 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1647 WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1649 tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1650 switch (bpc) {
1651 case 0:
1652 case 6:
1653 case 8:
1654 case 16:
1655 default:
1656 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1657 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1658 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1659 connector->name, bpc);
1660 break;
1661 case 10:
1662 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1663 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1664 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1665 connector->name);
1666 break;
1667 case 12:
1668 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669 tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1670 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1671 connector->name);
1672 break;
1674 WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1676 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1677 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1678 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1679 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1680 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1682 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1683 /* enable audio info frames (frames won't be set until audio is enabled) */
1684 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1685 /* required for audio info values to be updated */
1686 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1687 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1689 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1690 /* required for audio info values to be updated */
1691 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1692 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1695 /* anything other than 0 */
1696 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1697 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1699 WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1701 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1702 /* set the default audio delay */
1703 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1704 /* should be suffient for all audio modes and small enough for all hblanks */
1705 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1706 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1708 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1709 /* allow 60958 channel status fields to be updated */
1710 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1711 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1714 if (bpc > 8)
1715 /* clear SW CTS value */
1716 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1717 else
1718 /* select SW CTS value */
1719 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1720 /* allow hw to sent ACR packets when required */
1721 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1722 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1724 dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1726 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1727 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1728 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1730 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1731 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1732 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1734 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1735 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1736 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1737 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1738 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1739 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1740 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1741 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1743 dce_v11_0_audio_write_speaker_allocation(encoder);
1745 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1746 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1748 dce_v11_0_afmt_audio_select_pin(encoder);
1749 dce_v11_0_audio_write_sad_regs(encoder);
1750 dce_v11_0_audio_write_latency_fields(encoder, mode);
1752 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1753 if (err < 0) {
1754 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1755 return;
1758 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1759 if (err < 0) {
1760 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1761 return;
1764 dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1766 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1767 /* enable AVI info frames */
1768 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1769 /* required for audio info values to be updated */
1770 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1771 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1773 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1774 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1775 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1777 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1778 /* send audio packets */
1779 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1780 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1782 WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1783 WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1784 WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1785 WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1787 /* enable audio after to setting up hw */
1788 dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1791 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1793 struct drm_device *dev = encoder->dev;
1794 struct amdgpu_device *adev = dev->dev_private;
1795 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1796 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1798 if (!dig || !dig->afmt)
1799 return;
1801 /* Silent, r600_hdmi_enable will raise WARN for us */
1802 if (enable && dig->afmt->enabled)
1803 return;
1804 if (!enable && !dig->afmt->enabled)
1805 return;
1807 if (!enable && dig->afmt->pin) {
1808 dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1809 dig->afmt->pin = NULL;
1812 dig->afmt->enabled = enable;
1814 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1815 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1818 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1820 int i;
1822 for (i = 0; i < adev->mode_info.num_dig; i++)
1823 adev->mode_info.afmt[i] = NULL;
1825 /* DCE11 has audio blocks tied to DIG encoders */
1826 for (i = 0; i < adev->mode_info.num_dig; i++) {
1827 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1828 if (adev->mode_info.afmt[i]) {
1829 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1830 adev->mode_info.afmt[i]->id = i;
1831 } else {
1832 int j;
1833 for (j = 0; j < i; j++) {
1834 kfree(adev->mode_info.afmt[j]);
1835 adev->mode_info.afmt[j] = NULL;
1837 return -ENOMEM;
1840 return 0;
1843 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1845 int i;
1847 for (i = 0; i < adev->mode_info.num_dig; i++) {
1848 kfree(adev->mode_info.afmt[i]);
1849 adev->mode_info.afmt[i] = NULL;
1853 static const u32 vga_control_regs[6] =
1855 mmD1VGA_CONTROL,
1856 mmD2VGA_CONTROL,
1857 mmD3VGA_CONTROL,
1858 mmD4VGA_CONTROL,
1859 mmD5VGA_CONTROL,
1860 mmD6VGA_CONTROL,
1863 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1865 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1866 struct drm_device *dev = crtc->dev;
1867 struct amdgpu_device *adev = dev->dev_private;
1868 u32 vga_control;
1870 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1871 if (enable)
1872 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1873 else
1874 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1877 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1879 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1880 struct drm_device *dev = crtc->dev;
1881 struct amdgpu_device *adev = dev->dev_private;
1883 if (enable)
1884 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1885 else
1886 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1889 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1890 struct drm_framebuffer *fb,
1891 int x, int y, int atomic)
1893 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1894 struct drm_device *dev = crtc->dev;
1895 struct amdgpu_device *adev = dev->dev_private;
1896 struct drm_framebuffer *target_fb;
1897 struct drm_gem_object *obj;
1898 struct amdgpu_bo *abo;
1899 uint64_t fb_location, tiling_flags;
1900 uint32_t fb_format, fb_pitch_pixels;
1901 u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1902 u32 pipe_config;
1903 u32 tmp, viewport_w, viewport_h;
1904 int r;
1905 bool bypass_lut = false;
1906 struct drm_format_name_buf format_name;
1908 /* no fb bound */
1909 if (!atomic && !crtc->primary->fb) {
1910 DRM_DEBUG_KMS("No FB bound\n");
1911 return 0;
1914 if (atomic)
1915 target_fb = fb;
1916 else
1917 target_fb = crtc->primary->fb;
1919 /* If atomic, assume fb object is pinned & idle & fenced and
1920 * just update base pointers
1922 obj = target_fb->obj[0];
1923 abo = gem_to_amdgpu_bo(obj);
1924 r = amdgpu_bo_reserve(abo, false);
1925 if (unlikely(r != 0))
1926 return r;
1928 if (!atomic) {
1929 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1930 if (unlikely(r != 0)) {
1931 amdgpu_bo_unreserve(abo);
1932 return -EINVAL;
1935 fb_location = amdgpu_bo_gpu_offset(abo);
1937 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1938 amdgpu_bo_unreserve(abo);
1940 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1942 switch (target_fb->format->format) {
1943 case DRM_FORMAT_C8:
1944 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1945 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1946 break;
1947 case DRM_FORMAT_XRGB4444:
1948 case DRM_FORMAT_ARGB4444:
1949 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1951 #ifdef __BIG_ENDIAN
1952 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953 ENDIAN_8IN16);
1954 #endif
1955 break;
1956 case DRM_FORMAT_XRGB1555:
1957 case DRM_FORMAT_ARGB1555:
1958 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1959 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960 #ifdef __BIG_ENDIAN
1961 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962 ENDIAN_8IN16);
1963 #endif
1964 break;
1965 case DRM_FORMAT_BGRX5551:
1966 case DRM_FORMAT_BGRA5551:
1967 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1968 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1969 #ifdef __BIG_ENDIAN
1970 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971 ENDIAN_8IN16);
1972 #endif
1973 break;
1974 case DRM_FORMAT_RGB565:
1975 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1976 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1977 #ifdef __BIG_ENDIAN
1978 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1979 ENDIAN_8IN16);
1980 #endif
1981 break;
1982 case DRM_FORMAT_XRGB8888:
1983 case DRM_FORMAT_ARGB8888:
1984 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1985 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1986 #ifdef __BIG_ENDIAN
1987 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1988 ENDIAN_8IN32);
1989 #endif
1990 break;
1991 case DRM_FORMAT_XRGB2101010:
1992 case DRM_FORMAT_ARGB2101010:
1993 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1994 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1995 #ifdef __BIG_ENDIAN
1996 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1997 ENDIAN_8IN32);
1998 #endif
1999 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2000 bypass_lut = true;
2001 break;
2002 case DRM_FORMAT_BGRX1010102:
2003 case DRM_FORMAT_BGRA1010102:
2004 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2005 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2006 #ifdef __BIG_ENDIAN
2007 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2008 ENDIAN_8IN32);
2009 #endif
2010 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2011 bypass_lut = true;
2012 break;
2013 case DRM_FORMAT_XBGR8888:
2014 case DRM_FORMAT_ABGR8888:
2015 fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2016 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2017 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2018 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2019 #ifdef __BIG_ENDIAN
2020 fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2021 ENDIAN_8IN32);
2022 #endif
2023 break;
2024 default:
2025 DRM_ERROR("Unsupported screen format %s\n",
2026 drm_get_format_name(target_fb->format->format, &format_name));
2027 return -EINVAL;
2030 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2031 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2033 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2034 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2035 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2036 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2037 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2039 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2040 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2041 ARRAY_2D_TILED_THIN1);
2042 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2043 tile_split);
2044 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2045 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2046 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2047 mtaspect);
2048 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2049 ADDR_SURF_MICRO_TILING_DISPLAY);
2050 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2051 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2052 ARRAY_1D_TILED_THIN1);
2055 fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2056 pipe_config);
2058 dce_v11_0_vga_enable(crtc, false);
2060 /* Make sure surface address is updated at vertical blank rather than
2061 * horizontal blank
2063 tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2064 tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2065 GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2066 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2068 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2069 upper_32_bits(fb_location));
2070 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2071 upper_32_bits(fb_location));
2072 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2073 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2074 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2075 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2076 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2077 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2080 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2081 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2082 * retain the full precision throughout the pipeline.
2084 tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2085 if (bypass_lut)
2086 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2087 else
2088 tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2089 WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2091 if (bypass_lut)
2092 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2094 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2095 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2096 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2097 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2098 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2099 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2101 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2102 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2104 dce_v11_0_grph_enable(crtc, true);
2106 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2107 target_fb->height);
2109 x &= ~3;
2110 y &= ~1;
2111 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2112 (x << 16) | y);
2113 viewport_w = crtc->mode.hdisplay;
2114 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2115 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2116 (viewport_w << 16) | viewport_h);
2118 /* set pageflip to happen anywhere in vblank interval */
2119 WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2121 if (!atomic && fb && fb != crtc->primary->fb) {
2122 abo = gem_to_amdgpu_bo(fb->obj[0]);
2123 r = amdgpu_bo_reserve(abo, true);
2124 if (unlikely(r != 0))
2125 return r;
2126 amdgpu_bo_unpin(abo);
2127 amdgpu_bo_unreserve(abo);
2130 /* Bytes per pixel may have changed */
2131 dce_v11_0_bandwidth_update(adev);
2133 return 0;
2136 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2137 struct drm_display_mode *mode)
2139 struct drm_device *dev = crtc->dev;
2140 struct amdgpu_device *adev = dev->dev_private;
2141 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2142 u32 tmp;
2144 tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2145 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2146 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2147 else
2148 tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2149 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2152 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2154 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2155 struct drm_device *dev = crtc->dev;
2156 struct amdgpu_device *adev = dev->dev_private;
2157 u16 *r, *g, *b;
2158 int i;
2159 u32 tmp;
2161 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2163 tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2164 tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2165 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2167 tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2168 tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2169 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2171 tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2172 tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2173 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2177 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2178 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2179 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2181 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2182 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2183 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2185 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2186 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2188 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2189 r = crtc->gamma_store;
2190 g = r + crtc->gamma_size;
2191 b = g + crtc->gamma_size;
2192 for (i = 0; i < 256; i++) {
2193 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2194 ((*r++ & 0xffc0) << 14) |
2195 ((*g++ & 0xffc0) << 4) |
2196 (*b++ >> 6));
2199 tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2200 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2201 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2202 tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2203 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2205 tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2206 tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2207 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2209 tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2210 tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2211 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2213 tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2214 tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2215 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2217 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2218 WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2219 /* XXX this only needs to be programmed once per crtc at startup,
2220 * not sure where the best place for it is
2222 tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2223 tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2224 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2227 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2229 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2230 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2232 switch (amdgpu_encoder->encoder_id) {
2233 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2234 if (dig->linkb)
2235 return 1;
2236 else
2237 return 0;
2238 break;
2239 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2240 if (dig->linkb)
2241 return 3;
2242 else
2243 return 2;
2244 break;
2245 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2246 if (dig->linkb)
2247 return 5;
2248 else
2249 return 4;
2250 break;
2251 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2252 return 6;
2253 break;
2254 default:
2255 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2256 return 0;
2261 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2263 * @crtc: drm crtc
2265 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2266 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2267 * monitors a dedicated PPLL must be used. If a particular board has
2268 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2269 * as there is no need to program the PLL itself. If we are not able to
2270 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2271 * avoid messing up an existing monitor.
2273 * Asic specific PLL information
2275 * DCE 10.x
2276 * Tonga
2277 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2278 * CI
2279 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2282 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2284 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2285 struct drm_device *dev = crtc->dev;
2286 struct amdgpu_device *adev = dev->dev_private;
2287 u32 pll_in_use;
2288 int pll;
2290 if ((adev->asic_type == CHIP_POLARIS10) ||
2291 (adev->asic_type == CHIP_POLARIS11) ||
2292 (adev->asic_type == CHIP_POLARIS12) ||
2293 (adev->asic_type == CHIP_VEGAM)) {
2294 struct amdgpu_encoder *amdgpu_encoder =
2295 to_amdgpu_encoder(amdgpu_crtc->encoder);
2296 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2298 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2299 return ATOM_DP_DTO;
2301 switch (amdgpu_encoder->encoder_id) {
2302 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2303 if (dig->linkb)
2304 return ATOM_COMBOPHY_PLL1;
2305 else
2306 return ATOM_COMBOPHY_PLL0;
2307 break;
2308 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309 if (dig->linkb)
2310 return ATOM_COMBOPHY_PLL3;
2311 else
2312 return ATOM_COMBOPHY_PLL2;
2313 break;
2314 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315 if (dig->linkb)
2316 return ATOM_COMBOPHY_PLL5;
2317 else
2318 return ATOM_COMBOPHY_PLL4;
2319 break;
2320 default:
2321 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2322 return ATOM_PPLL_INVALID;
2326 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2327 if (adev->clock.dp_extclk)
2328 /* skip PPLL programming if using ext clock */
2329 return ATOM_PPLL_INVALID;
2330 else {
2331 /* use the same PPLL for all DP monitors */
2332 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2333 if (pll != ATOM_PPLL_INVALID)
2334 return pll;
2336 } else {
2337 /* use the same PPLL for all monitors with the same clock */
2338 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2339 if (pll != ATOM_PPLL_INVALID)
2340 return pll;
2343 /* XXX need to determine what plls are available on each DCE11 part */
2344 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2345 if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2346 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2347 return ATOM_PPLL1;
2348 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2349 return ATOM_PPLL0;
2350 DRM_ERROR("unable to allocate a PPLL\n");
2351 return ATOM_PPLL_INVALID;
2352 } else {
2353 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2354 return ATOM_PPLL2;
2355 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2356 return ATOM_PPLL1;
2357 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2358 return ATOM_PPLL0;
2359 DRM_ERROR("unable to allocate a PPLL\n");
2360 return ATOM_PPLL_INVALID;
2362 return ATOM_PPLL_INVALID;
2365 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2367 struct amdgpu_device *adev = crtc->dev->dev_private;
2368 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2369 uint32_t cur_lock;
2371 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2372 if (lock)
2373 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2374 else
2375 cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2376 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2379 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2381 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2382 struct amdgpu_device *adev = crtc->dev->dev_private;
2383 u32 tmp;
2385 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2386 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2387 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2390 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2392 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2393 struct amdgpu_device *adev = crtc->dev->dev_private;
2394 u32 tmp;
2396 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2397 upper_32_bits(amdgpu_crtc->cursor_addr));
2398 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2399 lower_32_bits(amdgpu_crtc->cursor_addr));
2401 tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2402 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2403 tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2404 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2407 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2408 int x, int y)
2410 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2411 struct amdgpu_device *adev = crtc->dev->dev_private;
2412 int xorigin = 0, yorigin = 0;
2414 amdgpu_crtc->cursor_x = x;
2415 amdgpu_crtc->cursor_y = y;
2417 /* avivo cursor are offset into the total surface */
2418 x += crtc->x;
2419 y += crtc->y;
2420 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2422 if (x < 0) {
2423 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2424 x = 0;
2426 if (y < 0) {
2427 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2428 y = 0;
2431 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2432 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2433 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2434 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2436 return 0;
2439 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2440 int x, int y)
2442 int ret;
2444 dce_v11_0_lock_cursor(crtc, true);
2445 ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2446 dce_v11_0_lock_cursor(crtc, false);
2448 return ret;
2451 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2452 struct drm_file *file_priv,
2453 uint32_t handle,
2454 uint32_t width,
2455 uint32_t height,
2456 int32_t hot_x,
2457 int32_t hot_y)
2459 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2460 struct drm_gem_object *obj;
2461 struct amdgpu_bo *aobj;
2462 int ret;
2464 if (!handle) {
2465 /* turn off cursor */
2466 dce_v11_0_hide_cursor(crtc);
2467 obj = NULL;
2468 goto unpin;
2471 if ((width > amdgpu_crtc->max_cursor_width) ||
2472 (height > amdgpu_crtc->max_cursor_height)) {
2473 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2474 return -EINVAL;
2477 obj = drm_gem_object_lookup(file_priv, handle);
2478 if (!obj) {
2479 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2480 return -ENOENT;
2483 aobj = gem_to_amdgpu_bo(obj);
2484 ret = amdgpu_bo_reserve(aobj, false);
2485 if (ret != 0) {
2486 drm_gem_object_put_unlocked(obj);
2487 return ret;
2490 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491 amdgpu_bo_unreserve(aobj);
2492 if (ret) {
2493 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494 drm_gem_object_put_unlocked(obj);
2495 return ret;
2497 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2499 dce_v11_0_lock_cursor(crtc, true);
2501 if (width != amdgpu_crtc->cursor_width ||
2502 height != amdgpu_crtc->cursor_height ||
2503 hot_x != amdgpu_crtc->cursor_hot_x ||
2504 hot_y != amdgpu_crtc->cursor_hot_y) {
2505 int x, y;
2507 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2510 dce_v11_0_cursor_move_locked(crtc, x, y);
2512 amdgpu_crtc->cursor_width = width;
2513 amdgpu_crtc->cursor_height = height;
2514 amdgpu_crtc->cursor_hot_x = hot_x;
2515 amdgpu_crtc->cursor_hot_y = hot_y;
2518 dce_v11_0_show_cursor(crtc);
2519 dce_v11_0_lock_cursor(crtc, false);
2521 unpin:
2522 if (amdgpu_crtc->cursor_bo) {
2523 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524 ret = amdgpu_bo_reserve(aobj, true);
2525 if (likely(ret == 0)) {
2526 amdgpu_bo_unpin(aobj);
2527 amdgpu_bo_unreserve(aobj);
2529 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2532 amdgpu_crtc->cursor_bo = obj;
2533 return 0;
2536 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2538 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2540 if (amdgpu_crtc->cursor_bo) {
2541 dce_v11_0_lock_cursor(crtc, true);
2543 dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544 amdgpu_crtc->cursor_y);
2546 dce_v11_0_show_cursor(crtc);
2548 dce_v11_0_lock_cursor(crtc, false);
2552 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553 u16 *blue, uint32_t size,
2554 struct drm_modeset_acquire_ctx *ctx)
2556 dce_v11_0_crtc_load_lut(crtc);
2558 return 0;
2561 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2563 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2565 drm_crtc_cleanup(crtc);
2566 kfree(amdgpu_crtc);
2569 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570 .cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571 .cursor_move = dce_v11_0_crtc_cursor_move,
2572 .gamma_set = dce_v11_0_crtc_gamma_set,
2573 .set_config = amdgpu_display_crtc_set_config,
2574 .destroy = dce_v11_0_crtc_destroy,
2575 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2578 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2580 struct drm_device *dev = crtc->dev;
2581 struct amdgpu_device *adev = dev->dev_private;
2582 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2583 unsigned type;
2585 switch (mode) {
2586 case DRM_MODE_DPMS_ON:
2587 amdgpu_crtc->enabled = true;
2588 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2589 dce_v11_0_vga_enable(crtc, true);
2590 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2591 dce_v11_0_vga_enable(crtc, false);
2592 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2593 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2594 amdgpu_crtc->crtc_id);
2595 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2596 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2597 drm_crtc_vblank_on(crtc);
2598 dce_v11_0_crtc_load_lut(crtc);
2599 break;
2600 case DRM_MODE_DPMS_STANDBY:
2601 case DRM_MODE_DPMS_SUSPEND:
2602 case DRM_MODE_DPMS_OFF:
2603 drm_crtc_vblank_off(crtc);
2604 if (amdgpu_crtc->enabled) {
2605 dce_v11_0_vga_enable(crtc, true);
2606 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2607 dce_v11_0_vga_enable(crtc, false);
2609 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2610 amdgpu_crtc->enabled = false;
2611 break;
2613 /* adjust pm to dpms */
2614 amdgpu_pm_compute_clocks(adev);
2617 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2619 /* disable crtc pair power gating before programming */
2620 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2621 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2622 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2625 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2627 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2628 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2631 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2633 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2634 struct drm_device *dev = crtc->dev;
2635 struct amdgpu_device *adev = dev->dev_private;
2636 struct amdgpu_atom_ss ss;
2637 int i;
2639 dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2640 if (crtc->primary->fb) {
2641 int r;
2642 struct amdgpu_bo *abo;
2644 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2645 r = amdgpu_bo_reserve(abo, true);
2646 if (unlikely(r))
2647 DRM_ERROR("failed to reserve abo before unpin\n");
2648 else {
2649 amdgpu_bo_unpin(abo);
2650 amdgpu_bo_unreserve(abo);
2653 /* disable the GRPH */
2654 dce_v11_0_grph_enable(crtc, false);
2656 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2658 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2659 if (adev->mode_info.crtcs[i] &&
2660 adev->mode_info.crtcs[i]->enabled &&
2661 i != amdgpu_crtc->crtc_id &&
2662 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2663 /* one other crtc is using this pll don't turn
2664 * off the pll
2666 goto done;
2670 switch (amdgpu_crtc->pll_id) {
2671 case ATOM_PPLL0:
2672 case ATOM_PPLL1:
2673 case ATOM_PPLL2:
2674 /* disable the ppll */
2675 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2676 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2677 break;
2678 case ATOM_COMBOPHY_PLL0:
2679 case ATOM_COMBOPHY_PLL1:
2680 case ATOM_COMBOPHY_PLL2:
2681 case ATOM_COMBOPHY_PLL3:
2682 case ATOM_COMBOPHY_PLL4:
2683 case ATOM_COMBOPHY_PLL5:
2684 /* disable the ppll */
2685 amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2686 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2687 break;
2688 default:
2689 break;
2691 done:
2692 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2693 amdgpu_crtc->adjusted_clock = 0;
2694 amdgpu_crtc->encoder = NULL;
2695 amdgpu_crtc->connector = NULL;
2698 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2699 struct drm_display_mode *mode,
2700 struct drm_display_mode *adjusted_mode,
2701 int x, int y, struct drm_framebuffer *old_fb)
2703 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2704 struct drm_device *dev = crtc->dev;
2705 struct amdgpu_device *adev = dev->dev_private;
2707 if (!amdgpu_crtc->adjusted_clock)
2708 return -EINVAL;
2710 if ((adev->asic_type == CHIP_POLARIS10) ||
2711 (adev->asic_type == CHIP_POLARIS11) ||
2712 (adev->asic_type == CHIP_POLARIS12) ||
2713 (adev->asic_type == CHIP_VEGAM)) {
2714 struct amdgpu_encoder *amdgpu_encoder =
2715 to_amdgpu_encoder(amdgpu_crtc->encoder);
2716 int encoder_mode =
2717 amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2719 /* SetPixelClock calculates the plls and ss values now */
2720 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2721 amdgpu_crtc->pll_id,
2722 encoder_mode, amdgpu_encoder->encoder_id,
2723 adjusted_mode->clock, 0, 0, 0, 0,
2724 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2725 } else {
2726 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2728 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2729 dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2730 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2731 amdgpu_atombios_crtc_scaler_setup(crtc);
2732 dce_v11_0_cursor_reset(crtc);
2733 /* update the hw version fpr dpm */
2734 amdgpu_crtc->hw_mode = *adjusted_mode;
2736 return 0;
2739 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2740 const struct drm_display_mode *mode,
2741 struct drm_display_mode *adjusted_mode)
2743 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2744 struct drm_device *dev = crtc->dev;
2745 struct drm_encoder *encoder;
2747 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2748 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2749 if (encoder->crtc == crtc) {
2750 amdgpu_crtc->encoder = encoder;
2751 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2752 break;
2755 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2756 amdgpu_crtc->encoder = NULL;
2757 amdgpu_crtc->connector = NULL;
2758 return false;
2760 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2761 return false;
2762 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2763 return false;
2764 /* pick pll */
2765 amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2766 /* if we can't get a PPLL for a non-DP encoder, fail */
2767 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2768 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2769 return false;
2771 return true;
2774 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2775 struct drm_framebuffer *old_fb)
2777 return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2780 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2781 struct drm_framebuffer *fb,
2782 int x, int y, enum mode_set_atomic state)
2784 return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2787 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2788 .dpms = dce_v11_0_crtc_dpms,
2789 .mode_fixup = dce_v11_0_crtc_mode_fixup,
2790 .mode_set = dce_v11_0_crtc_mode_set,
2791 .mode_set_base = dce_v11_0_crtc_set_base,
2792 .mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2793 .prepare = dce_v11_0_crtc_prepare,
2794 .commit = dce_v11_0_crtc_commit,
2795 .disable = dce_v11_0_crtc_disable,
2798 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2800 struct amdgpu_crtc *amdgpu_crtc;
2802 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2803 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2804 if (amdgpu_crtc == NULL)
2805 return -ENOMEM;
2807 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2809 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2810 amdgpu_crtc->crtc_id = index;
2811 adev->mode_info.crtcs[index] = amdgpu_crtc;
2813 amdgpu_crtc->max_cursor_width = 128;
2814 amdgpu_crtc->max_cursor_height = 128;
2815 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2816 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2818 switch (amdgpu_crtc->crtc_id) {
2819 case 0:
2820 default:
2821 amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2822 break;
2823 case 1:
2824 amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2825 break;
2826 case 2:
2827 amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2828 break;
2829 case 3:
2830 amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2831 break;
2832 case 4:
2833 amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2834 break;
2835 case 5:
2836 amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2837 break;
2840 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2841 amdgpu_crtc->adjusted_clock = 0;
2842 amdgpu_crtc->encoder = NULL;
2843 amdgpu_crtc->connector = NULL;
2844 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2846 return 0;
2849 static int dce_v11_0_early_init(void *handle)
2851 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2853 adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2854 adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2856 dce_v11_0_set_display_funcs(adev);
2858 adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2860 switch (adev->asic_type) {
2861 case CHIP_CARRIZO:
2862 adev->mode_info.num_hpd = 6;
2863 adev->mode_info.num_dig = 9;
2864 break;
2865 case CHIP_STONEY:
2866 adev->mode_info.num_hpd = 6;
2867 adev->mode_info.num_dig = 9;
2868 break;
2869 case CHIP_POLARIS10:
2870 case CHIP_VEGAM:
2871 adev->mode_info.num_hpd = 6;
2872 adev->mode_info.num_dig = 6;
2873 break;
2874 case CHIP_POLARIS11:
2875 case CHIP_POLARIS12:
2876 adev->mode_info.num_hpd = 5;
2877 adev->mode_info.num_dig = 5;
2878 break;
2879 default:
2880 /* FIXME: not supported yet */
2881 return -EINVAL;
2884 dce_v11_0_set_irq_funcs(adev);
2886 return 0;
2889 static int dce_v11_0_sw_init(void *handle)
2891 int r, i;
2892 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2894 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2895 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2896 if (r)
2897 return r;
2900 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2901 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2902 if (r)
2903 return r;
2906 /* HPD hotplug */
2907 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2908 if (r)
2909 return r;
2911 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2913 adev->ddev->mode_config.async_page_flip = true;
2915 adev->ddev->mode_config.max_width = 16384;
2916 adev->ddev->mode_config.max_height = 16384;
2918 adev->ddev->mode_config.preferred_depth = 24;
2919 adev->ddev->mode_config.prefer_shadow = 1;
2921 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2923 r = amdgpu_display_modeset_create_props(adev);
2924 if (r)
2925 return r;
2927 adev->ddev->mode_config.max_width = 16384;
2928 adev->ddev->mode_config.max_height = 16384;
2931 /* allocate crtcs */
2932 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2933 r = dce_v11_0_crtc_init(adev, i);
2934 if (r)
2935 return r;
2938 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2939 amdgpu_display_print_display_setup(adev->ddev);
2940 else
2941 return -EINVAL;
2943 /* setup afmt */
2944 r = dce_v11_0_afmt_init(adev);
2945 if (r)
2946 return r;
2948 r = dce_v11_0_audio_init(adev);
2949 if (r)
2950 return r;
2952 drm_kms_helper_poll_init(adev->ddev);
2954 adev->mode_info.mode_config_initialized = true;
2955 return 0;
2958 static int dce_v11_0_sw_fini(void *handle)
2960 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2962 kfree(adev->mode_info.bios_hardcoded_edid);
2964 drm_kms_helper_poll_fini(adev->ddev);
2966 dce_v11_0_audio_fini(adev);
2968 dce_v11_0_afmt_fini(adev);
2970 drm_mode_config_cleanup(adev->ddev);
2971 adev->mode_info.mode_config_initialized = false;
2973 return 0;
2976 static int dce_v11_0_hw_init(void *handle)
2978 int i;
2979 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2981 dce_v11_0_init_golden_registers(adev);
2983 /* disable vga render */
2984 dce_v11_0_set_vga_render_state(adev, false);
2985 /* init dig PHYs, disp eng pll */
2986 amdgpu_atombios_crtc_powergate_init(adev);
2987 amdgpu_atombios_encoder_init_dig(adev);
2988 if ((adev->asic_type == CHIP_POLARIS10) ||
2989 (adev->asic_type == CHIP_POLARIS11) ||
2990 (adev->asic_type == CHIP_POLARIS12) ||
2991 (adev->asic_type == CHIP_VEGAM)) {
2992 amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2993 DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2994 amdgpu_atombios_crtc_set_dce_clock(adev, 0,
2995 DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
2996 } else {
2997 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3000 /* initialize hpd */
3001 dce_v11_0_hpd_init(adev);
3003 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3004 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3007 dce_v11_0_pageflip_interrupt_init(adev);
3009 return 0;
3012 static int dce_v11_0_hw_fini(void *handle)
3014 int i;
3015 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3017 dce_v11_0_hpd_fini(adev);
3019 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3020 dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3023 dce_v11_0_pageflip_interrupt_fini(adev);
3025 return 0;
3028 static int dce_v11_0_suspend(void *handle)
3030 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3032 adev->mode_info.bl_level =
3033 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3035 return dce_v11_0_hw_fini(handle);
3038 static int dce_v11_0_resume(void *handle)
3040 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3041 int ret;
3043 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3044 adev->mode_info.bl_level);
3046 ret = dce_v11_0_hw_init(handle);
3048 /* turn on the BL */
3049 if (adev->mode_info.bl_encoder) {
3050 u8 bl_level = amdgpu_display_backlight_get_level(adev,
3051 adev->mode_info.bl_encoder);
3052 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3053 bl_level);
3056 return ret;
3059 static bool dce_v11_0_is_idle(void *handle)
3061 return true;
3064 static int dce_v11_0_wait_for_idle(void *handle)
3066 return 0;
3069 static int dce_v11_0_soft_reset(void *handle)
3071 u32 srbm_soft_reset = 0, tmp;
3072 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3074 if (dce_v11_0_is_display_hung(adev))
3075 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3077 if (srbm_soft_reset) {
3078 tmp = RREG32(mmSRBM_SOFT_RESET);
3079 tmp |= srbm_soft_reset;
3080 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3081 WREG32(mmSRBM_SOFT_RESET, tmp);
3082 tmp = RREG32(mmSRBM_SOFT_RESET);
3084 udelay(50);
3086 tmp &= ~srbm_soft_reset;
3087 WREG32(mmSRBM_SOFT_RESET, tmp);
3088 tmp = RREG32(mmSRBM_SOFT_RESET);
3090 /* Wait a little for things to settle down */
3091 udelay(50);
3093 return 0;
3096 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3097 int crtc,
3098 enum amdgpu_interrupt_state state)
3100 u32 lb_interrupt_mask;
3102 if (crtc >= adev->mode_info.num_crtc) {
3103 DRM_DEBUG("invalid crtc %d\n", crtc);
3104 return;
3107 switch (state) {
3108 case AMDGPU_IRQ_STATE_DISABLE:
3109 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3110 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3111 VBLANK_INTERRUPT_MASK, 0);
3112 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3113 break;
3114 case AMDGPU_IRQ_STATE_ENABLE:
3115 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3116 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3117 VBLANK_INTERRUPT_MASK, 1);
3118 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3119 break;
3120 default:
3121 break;
3125 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3126 int crtc,
3127 enum amdgpu_interrupt_state state)
3129 u32 lb_interrupt_mask;
3131 if (crtc >= adev->mode_info.num_crtc) {
3132 DRM_DEBUG("invalid crtc %d\n", crtc);
3133 return;
3136 switch (state) {
3137 case AMDGPU_IRQ_STATE_DISABLE:
3138 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3139 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3140 VLINE_INTERRUPT_MASK, 0);
3141 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3142 break;
3143 case AMDGPU_IRQ_STATE_ENABLE:
3144 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3145 lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3146 VLINE_INTERRUPT_MASK, 1);
3147 WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3148 break;
3149 default:
3150 break;
3154 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3155 struct amdgpu_irq_src *source,
3156 unsigned hpd,
3157 enum amdgpu_interrupt_state state)
3159 u32 tmp;
3161 if (hpd >= adev->mode_info.num_hpd) {
3162 DRM_DEBUG("invalid hdp %d\n", hpd);
3163 return 0;
3166 switch (state) {
3167 case AMDGPU_IRQ_STATE_DISABLE:
3168 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3169 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3170 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3171 break;
3172 case AMDGPU_IRQ_STATE_ENABLE:
3173 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3174 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3175 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3176 break;
3177 default:
3178 break;
3181 return 0;
3184 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3185 struct amdgpu_irq_src *source,
3186 unsigned type,
3187 enum amdgpu_interrupt_state state)
3189 switch (type) {
3190 case AMDGPU_CRTC_IRQ_VBLANK1:
3191 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3192 break;
3193 case AMDGPU_CRTC_IRQ_VBLANK2:
3194 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3195 break;
3196 case AMDGPU_CRTC_IRQ_VBLANK3:
3197 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3198 break;
3199 case AMDGPU_CRTC_IRQ_VBLANK4:
3200 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3201 break;
3202 case AMDGPU_CRTC_IRQ_VBLANK5:
3203 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3204 break;
3205 case AMDGPU_CRTC_IRQ_VBLANK6:
3206 dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3207 break;
3208 case AMDGPU_CRTC_IRQ_VLINE1:
3209 dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3210 break;
3211 case AMDGPU_CRTC_IRQ_VLINE2:
3212 dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3213 break;
3214 case AMDGPU_CRTC_IRQ_VLINE3:
3215 dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3216 break;
3217 case AMDGPU_CRTC_IRQ_VLINE4:
3218 dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3219 break;
3220 case AMDGPU_CRTC_IRQ_VLINE5:
3221 dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3222 break;
3223 case AMDGPU_CRTC_IRQ_VLINE6:
3224 dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3225 break;
3226 default:
3227 break;
3229 return 0;
3232 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3233 struct amdgpu_irq_src *src,
3234 unsigned type,
3235 enum amdgpu_interrupt_state state)
3237 u32 reg;
3239 if (type >= adev->mode_info.num_crtc) {
3240 DRM_ERROR("invalid pageflip crtc %d\n", type);
3241 return -EINVAL;
3244 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3245 if (state == AMDGPU_IRQ_STATE_DISABLE)
3246 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3247 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3248 else
3249 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3250 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3252 return 0;
3255 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3256 struct amdgpu_irq_src *source,
3257 struct amdgpu_iv_entry *entry)
3259 unsigned long flags;
3260 unsigned crtc_id;
3261 struct amdgpu_crtc *amdgpu_crtc;
3262 struct amdgpu_flip_work *works;
3264 crtc_id = (entry->src_id - 8) >> 1;
3265 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3267 if (crtc_id >= adev->mode_info.num_crtc) {
3268 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3269 return -EINVAL;
3272 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3273 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3274 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3275 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3277 /* IRQ could occur when in initial stage */
3278 if(amdgpu_crtc == NULL)
3279 return 0;
3281 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3282 works = amdgpu_crtc->pflip_works;
3283 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3284 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3285 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3286 amdgpu_crtc->pflip_status,
3287 AMDGPU_FLIP_SUBMITTED);
3288 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3289 return 0;
3292 /* page flip completed. clean up */
3293 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3294 amdgpu_crtc->pflip_works = NULL;
3296 /* wakeup usersapce */
3297 if(works->event)
3298 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3300 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3302 drm_crtc_vblank_put(&amdgpu_crtc->base);
3303 schedule_work(&works->unpin_work);
3305 return 0;
3308 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3309 int hpd)
3311 u32 tmp;
3313 if (hpd >= adev->mode_info.num_hpd) {
3314 DRM_DEBUG("invalid hdp %d\n", hpd);
3315 return;
3318 tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3319 tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3320 WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3323 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3324 int crtc)
3326 u32 tmp;
3328 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3329 DRM_DEBUG("invalid crtc %d\n", crtc);
3330 return;
3333 tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3334 tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3335 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3338 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3339 int crtc)
3341 u32 tmp;
3343 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3344 DRM_DEBUG("invalid crtc %d\n", crtc);
3345 return;
3348 tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3349 tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3350 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3353 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3354 struct amdgpu_irq_src *source,
3355 struct amdgpu_iv_entry *entry)
3357 unsigned crtc = entry->src_id - 1;
3358 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3359 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3360 crtc);
3362 switch (entry->src_data[0]) {
3363 case 0: /* vblank */
3364 if (disp_int & interrupt_status_offsets[crtc].vblank)
3365 dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3366 else
3367 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3369 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3370 drm_handle_vblank(adev->ddev, crtc);
3372 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3374 break;
3375 case 1: /* vline */
3376 if (disp_int & interrupt_status_offsets[crtc].vline)
3377 dce_v11_0_crtc_vline_int_ack(adev, crtc);
3378 else
3379 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3381 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3383 break;
3384 default:
3385 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3386 break;
3389 return 0;
3392 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3393 struct amdgpu_irq_src *source,
3394 struct amdgpu_iv_entry *entry)
3396 uint32_t disp_int, mask;
3397 unsigned hpd;
3399 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3400 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3401 return 0;
3404 hpd = entry->src_data[0];
3405 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3406 mask = interrupt_status_offsets[hpd].hpd;
3408 if (disp_int & mask) {
3409 dce_v11_0_hpd_int_ack(adev, hpd);
3410 schedule_work(&adev->hotplug_work);
3411 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3414 return 0;
3417 static int dce_v11_0_set_clockgating_state(void *handle,
3418 enum amd_clockgating_state state)
3420 return 0;
3423 static int dce_v11_0_set_powergating_state(void *handle,
3424 enum amd_powergating_state state)
3426 return 0;
3429 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3430 .name = "dce_v11_0",
3431 .early_init = dce_v11_0_early_init,
3432 .late_init = NULL,
3433 .sw_init = dce_v11_0_sw_init,
3434 .sw_fini = dce_v11_0_sw_fini,
3435 .hw_init = dce_v11_0_hw_init,
3436 .hw_fini = dce_v11_0_hw_fini,
3437 .suspend = dce_v11_0_suspend,
3438 .resume = dce_v11_0_resume,
3439 .is_idle = dce_v11_0_is_idle,
3440 .wait_for_idle = dce_v11_0_wait_for_idle,
3441 .soft_reset = dce_v11_0_soft_reset,
3442 .set_clockgating_state = dce_v11_0_set_clockgating_state,
3443 .set_powergating_state = dce_v11_0_set_powergating_state,
3446 static void
3447 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3448 struct drm_display_mode *mode,
3449 struct drm_display_mode *adjusted_mode)
3451 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3453 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3455 /* need to call this here rather than in prepare() since we need some crtc info */
3456 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3458 /* set scaler clears this on some chips */
3459 dce_v11_0_set_interleave(encoder->crtc, mode);
3461 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3462 dce_v11_0_afmt_enable(encoder, true);
3463 dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3467 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3469 struct amdgpu_device *adev = encoder->dev->dev_private;
3470 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3471 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3473 if ((amdgpu_encoder->active_device &
3474 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3475 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3476 ENCODER_OBJECT_ID_NONE)) {
3477 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3478 if (dig) {
3479 dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3480 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3481 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3485 amdgpu_atombios_scratch_regs_lock(adev, true);
3487 if (connector) {
3488 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3490 /* select the clock/data port if it uses a router */
3491 if (amdgpu_connector->router.cd_valid)
3492 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3494 /* turn eDP panel on for mode set */
3495 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3496 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3497 ATOM_TRANSMITTER_ACTION_POWER_ON);
3500 /* this is needed for the pll/ss setup to work correctly in some cases */
3501 amdgpu_atombios_encoder_set_crtc_source(encoder);
3502 /* set up the FMT blocks */
3503 dce_v11_0_program_fmt(encoder);
3506 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3508 struct drm_device *dev = encoder->dev;
3509 struct amdgpu_device *adev = dev->dev_private;
3511 /* need to call this here as we need the crtc set up */
3512 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3513 amdgpu_atombios_scratch_regs_lock(adev, false);
3516 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3518 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3519 struct amdgpu_encoder_atom_dig *dig;
3521 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3523 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3524 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3525 dce_v11_0_afmt_enable(encoder, false);
3526 dig = amdgpu_encoder->enc_priv;
3527 dig->dig_encoder = -1;
3529 amdgpu_encoder->active_device = 0;
3532 /* these are handled by the primary encoders */
3533 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3538 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3543 static void
3544 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3545 struct drm_display_mode *mode,
3546 struct drm_display_mode *adjusted_mode)
3551 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3556 static void
3557 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3562 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3563 .dpms = dce_v11_0_ext_dpms,
3564 .prepare = dce_v11_0_ext_prepare,
3565 .mode_set = dce_v11_0_ext_mode_set,
3566 .commit = dce_v11_0_ext_commit,
3567 .disable = dce_v11_0_ext_disable,
3568 /* no detect for TMDS/LVDS yet */
3571 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3572 .dpms = amdgpu_atombios_encoder_dpms,
3573 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3574 .prepare = dce_v11_0_encoder_prepare,
3575 .mode_set = dce_v11_0_encoder_mode_set,
3576 .commit = dce_v11_0_encoder_commit,
3577 .disable = dce_v11_0_encoder_disable,
3578 .detect = amdgpu_atombios_encoder_dig_detect,
3581 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3582 .dpms = amdgpu_atombios_encoder_dpms,
3583 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3584 .prepare = dce_v11_0_encoder_prepare,
3585 .mode_set = dce_v11_0_encoder_mode_set,
3586 .commit = dce_v11_0_encoder_commit,
3587 .detect = amdgpu_atombios_encoder_dac_detect,
3590 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3592 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3593 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3594 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3595 kfree(amdgpu_encoder->enc_priv);
3596 drm_encoder_cleanup(encoder);
3597 kfree(amdgpu_encoder);
3600 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3601 .destroy = dce_v11_0_encoder_destroy,
3604 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3605 uint32_t encoder_enum,
3606 uint32_t supported_device,
3607 u16 caps)
3609 struct drm_device *dev = adev->ddev;
3610 struct drm_encoder *encoder;
3611 struct amdgpu_encoder *amdgpu_encoder;
3613 /* see if we already added it */
3614 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3615 amdgpu_encoder = to_amdgpu_encoder(encoder);
3616 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3617 amdgpu_encoder->devices |= supported_device;
3618 return;
3623 /* add a new one */
3624 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3625 if (!amdgpu_encoder)
3626 return;
3628 encoder = &amdgpu_encoder->base;
3629 switch (adev->mode_info.num_crtc) {
3630 case 1:
3631 encoder->possible_crtcs = 0x1;
3632 break;
3633 case 2:
3634 default:
3635 encoder->possible_crtcs = 0x3;
3636 break;
3637 case 3:
3638 encoder->possible_crtcs = 0x7;
3639 break;
3640 case 4:
3641 encoder->possible_crtcs = 0xf;
3642 break;
3643 case 5:
3644 encoder->possible_crtcs = 0x1f;
3645 break;
3646 case 6:
3647 encoder->possible_crtcs = 0x3f;
3648 break;
3651 amdgpu_encoder->enc_priv = NULL;
3653 amdgpu_encoder->encoder_enum = encoder_enum;
3654 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3655 amdgpu_encoder->devices = supported_device;
3656 amdgpu_encoder->rmx_type = RMX_OFF;
3657 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3658 amdgpu_encoder->is_ext_encoder = false;
3659 amdgpu_encoder->caps = caps;
3661 switch (amdgpu_encoder->encoder_id) {
3662 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3663 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3664 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3665 DRM_MODE_ENCODER_DAC, NULL);
3666 drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3667 break;
3668 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3669 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3670 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3671 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3672 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3673 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3674 amdgpu_encoder->rmx_type = RMX_FULL;
3675 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3676 DRM_MODE_ENCODER_LVDS, NULL);
3677 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3678 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3679 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3680 DRM_MODE_ENCODER_DAC, NULL);
3681 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3682 } else {
3683 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3684 DRM_MODE_ENCODER_TMDS, NULL);
3685 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3687 drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3688 break;
3689 case ENCODER_OBJECT_ID_SI170B:
3690 case ENCODER_OBJECT_ID_CH7303:
3691 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3692 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3693 case ENCODER_OBJECT_ID_TITFP513:
3694 case ENCODER_OBJECT_ID_VT1623:
3695 case ENCODER_OBJECT_ID_HDMI_SI1930:
3696 case ENCODER_OBJECT_ID_TRAVIS:
3697 case ENCODER_OBJECT_ID_NUTMEG:
3698 /* these are handled by the primary encoders */
3699 amdgpu_encoder->is_ext_encoder = true;
3700 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3701 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3702 DRM_MODE_ENCODER_LVDS, NULL);
3703 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3704 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3705 DRM_MODE_ENCODER_DAC, NULL);
3706 else
3707 drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3708 DRM_MODE_ENCODER_TMDS, NULL);
3709 drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3710 break;
3714 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3715 .bandwidth_update = &dce_v11_0_bandwidth_update,
3716 .vblank_get_counter = &dce_v11_0_vblank_get_counter,
3717 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3718 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3719 .hpd_sense = &dce_v11_0_hpd_sense,
3720 .hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3721 .hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3722 .page_flip = &dce_v11_0_page_flip,
3723 .page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3724 .add_encoder = &dce_v11_0_encoder_add,
3725 .add_connector = &amdgpu_connector_add,
3728 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3730 adev->mode_info.funcs = &dce_v11_0_display_funcs;
3733 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3734 .set = dce_v11_0_set_crtc_irq_state,
3735 .process = dce_v11_0_crtc_irq,
3738 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3739 .set = dce_v11_0_set_pageflip_irq_state,
3740 .process = dce_v11_0_pageflip_irq,
3743 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3744 .set = dce_v11_0_set_hpd_irq_state,
3745 .process = dce_v11_0_hpd_irq,
3748 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3750 if (adev->mode_info.num_crtc > 0)
3751 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3752 else
3753 adev->crtc_irq.num_types = 0;
3754 adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3756 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3757 adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3759 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3760 adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3763 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3765 .type = AMD_IP_BLOCK_TYPE_DCE,
3766 .major = 11,
3767 .minor = 0,
3768 .rev = 0,
3769 .funcs = &dce_v11_0_ip_funcs,
3772 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3774 .type = AMD_IP_BLOCK_TYPE_DCE,
3775 .major = 11,
3776 .minor = 2,
3777 .rev = 0,
3778 .funcs = &dce_v11_0_ip_funcs,