2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Authors: Dave Airlie
27 #include <drm/radeon_drm.h>
31 #include <asm/div64.h>
33 #include <drm/drm_crtc_helper.h>
34 #include <drm/drm_edid.h>
36 static void avivo_crtc_load_lut(struct drm_crtc *crtc)
38 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
39 struct drm_device *dev = crtc->dev;
40 struct radeon_device *rdev = dev->dev_private;
43 DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
44 WREG32(AVIVO_DC_LUTA_CONTROL + radeon_crtc->crtc_offset, 0);
46 WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
47 WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
48 WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
50 WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
51 WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
52 WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
54 WREG32(AVIVO_DC_LUT_RW_SELECT, radeon_crtc->crtc_id);
55 WREG32(AVIVO_DC_LUT_RW_MODE, 0);
56 WREG32(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f);
58 WREG8(AVIVO_DC_LUT_RW_INDEX, 0);
59 for (i = 0; i < 256; i++) {
60 WREG32(AVIVO_DC_LUT_30_COLOR,
61 (radeon_crtc->lut_r[i] << 20) |
62 (radeon_crtc->lut_g[i] << 10) |
63 (radeon_crtc->lut_b[i] << 0));
66 WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id);
69 static void dce4_crtc_load_lut(struct drm_crtc *crtc)
71 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
72 struct drm_device *dev = crtc->dev;
73 struct radeon_device *rdev = dev->dev_private;
76 DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
77 WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0);
79 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
80 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
81 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
83 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
84 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
85 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
87 WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0);
88 WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
90 WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
91 for (i = 0; i < 256; i++) {
92 WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset,
93 (radeon_crtc->lut_r[i] << 20) |
94 (radeon_crtc->lut_g[i] << 10) |
95 (radeon_crtc->lut_b[i] << 0));
99 static void dce5_crtc_load_lut(struct drm_crtc *crtc)
101 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
102 struct drm_device *dev = crtc->dev;
103 struct radeon_device *rdev = dev->dev_private;
106 DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
108 WREG32(NI_INPUT_CSC_CONTROL + radeon_crtc->crtc_offset,
109 (NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS) |
110 NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS)));
111 WREG32(NI_PRESCALE_GRPH_CONTROL + radeon_crtc->crtc_offset,
112 NI_GRPH_PRESCALE_BYPASS);
113 WREG32(NI_PRESCALE_OVL_CONTROL + radeon_crtc->crtc_offset,
114 NI_OVL_PRESCALE_BYPASS);
115 WREG32(NI_INPUT_GAMMA_CONTROL + radeon_crtc->crtc_offset,
116 (NI_GRPH_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT) |
117 NI_OVL_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT)));
119 WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0);
121 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
122 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
123 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
125 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
126 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
127 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
129 WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0);
130 WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
132 WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
133 for (i = 0; i < 256; i++) {
134 WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset,
135 (radeon_crtc->lut_r[i] << 20) |
136 (radeon_crtc->lut_g[i] << 10) |
137 (radeon_crtc->lut_b[i] << 0));
140 WREG32(NI_DEGAMMA_CONTROL + radeon_crtc->crtc_offset,
141 (NI_GRPH_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) |
142 NI_OVL_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) |
143 NI_ICON_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) |
144 NI_CURSOR_DEGAMMA_MODE(NI_DEGAMMA_BYPASS)));
145 WREG32(NI_GAMUT_REMAP_CONTROL + radeon_crtc->crtc_offset,
146 (NI_GRPH_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS) |
147 NI_OVL_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS)));
148 WREG32(NI_REGAMMA_CONTROL + radeon_crtc->crtc_offset,
149 (NI_GRPH_REGAMMA_MODE(NI_REGAMMA_BYPASS) |
150 NI_OVL_REGAMMA_MODE(NI_REGAMMA_BYPASS)));
151 WREG32(NI_OUTPUT_CSC_CONTROL + radeon_crtc->crtc_offset,
152 (NI_OUTPUT_CSC_GRPH_MODE(NI_OUTPUT_CSC_BYPASS) |
153 NI_OUTPUT_CSC_OVL_MODE(NI_OUTPUT_CSC_BYPASS)));
154 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
155 WREG32(0x6940 + radeon_crtc->crtc_offset, 0);
156 if (ASIC_IS_DCE8(rdev)) {
157 /* XXX this only needs to be programmed once per crtc at startup,
158 * not sure where the best place for it is
160 WREG32(CIK_ALPHA_CONTROL + radeon_crtc->crtc_offset,
161 CIK_CURSOR_ALPHA_BLND_ENA);
165 static void legacy_crtc_load_lut(struct drm_crtc *crtc)
167 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
168 struct drm_device *dev = crtc->dev;
169 struct radeon_device *rdev = dev->dev_private;
173 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
174 if (radeon_crtc->crtc_id == 0)
175 dac2_cntl &= (uint32_t)~RADEON_DAC2_PALETTE_ACC_CTL;
177 dac2_cntl |= RADEON_DAC2_PALETTE_ACC_CTL;
178 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
180 WREG8(RADEON_PALETTE_INDEX, 0);
181 for (i = 0; i < 256; i++) {
182 WREG32(RADEON_PALETTE_30_DATA,
183 (radeon_crtc->lut_r[i] << 20) |
184 (radeon_crtc->lut_g[i] << 10) |
185 (radeon_crtc->lut_b[i] << 0));
189 void radeon_crtc_load_lut(struct drm_crtc *crtc)
191 struct drm_device *dev = crtc->dev;
192 struct radeon_device *rdev = dev->dev_private;
197 if (ASIC_IS_DCE5(rdev))
198 dce5_crtc_load_lut(crtc);
199 else if (ASIC_IS_DCE4(rdev))
200 dce4_crtc_load_lut(crtc);
201 else if (ASIC_IS_AVIVO(rdev))
202 avivo_crtc_load_lut(crtc);
204 legacy_crtc_load_lut(crtc);
207 /** Sets the color ramps on behalf of fbcon */
208 void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
211 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
213 radeon_crtc->lut_r[regno] = red >> 6;
214 radeon_crtc->lut_g[regno] = green >> 6;
215 radeon_crtc->lut_b[regno] = blue >> 6;
218 /** Gets the color ramps on behalf of fbcon */
219 void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
220 u16 *blue, int regno)
222 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
224 *red = radeon_crtc->lut_r[regno] << 6;
225 *green = radeon_crtc->lut_g[regno] << 6;
226 *blue = radeon_crtc->lut_b[regno] << 6;
229 static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
230 u16 *blue, uint32_t start, uint32_t size)
232 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
233 int end = (start + size > 256) ? 256 : start + size, i;
235 /* userspace palettes are always correct as is */
236 for (i = start; i < end; i++) {
237 radeon_crtc->lut_r[i] = red[i] >> 6;
238 radeon_crtc->lut_g[i] = green[i] >> 6;
239 radeon_crtc->lut_b[i] = blue[i] >> 6;
241 radeon_crtc_load_lut(crtc);
244 static void radeon_crtc_destroy(struct drm_crtc *crtc)
246 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
248 drm_crtc_cleanup(crtc);
253 * Handle unpin events outside the interrupt handler proper.
255 static void radeon_unpin_work_func(struct work_struct *__work)
257 struct radeon_unpin_work *work =
258 container_of(__work, struct radeon_unpin_work, work);
261 /* unpin of the old buffer */
262 r = radeon_bo_reserve(work->old_rbo, false);
263 if (likely(r == 0)) {
264 r = radeon_bo_unpin(work->old_rbo);
265 if (unlikely(r != 0)) {
266 DRM_ERROR("failed to unpin buffer after flip\n");
268 radeon_bo_unreserve(work->old_rbo);
270 DRM_ERROR("failed to reserve buffer after flip\n");
272 drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base);
276 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
278 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
279 struct radeon_unpin_work *work;
284 spin_lock_irqsave(&rdev->ddev->event_lock, flags);
285 work = radeon_crtc->unpin_work;
287 (work->fence && !radeon_fence_signaled(work->fence))) {
288 spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
291 /* New pageflip, or just completion of a previous one? */
292 if (!radeon_crtc->deferred_flip_completion) {
293 /* do the flip (mmio) */
294 update_pending = radeon_page_flip(rdev, crtc_id, work->new_crtc_base);
296 /* This is just a completion of a flip queued in crtc
297 * at last invocation. Make sure we go directly to
298 * completion routine.
301 radeon_crtc->deferred_flip_completion = 0;
304 /* Has the pageflip already completed in crtc, or is it certain
305 * to complete in this vblank?
307 if (update_pending &&
308 (DRM_SCANOUTPOS_VALID & radeon_get_crtc_scanoutpos(rdev->ddev, crtc_id,
310 ((vpos >= (99 * rdev->mode_info.crtcs[crtc_id]->base.hwmode.crtc_vdisplay)/100) ||
311 (vpos < 0 && !ASIC_IS_AVIVO(rdev)))) {
312 /* crtc didn't flip in this target vblank interval,
313 * but flip is pending in crtc. Based on the current
314 * scanout position we know that the current frame is
315 * (nearly) complete and the flip will (likely)
316 * complete before the start of the next frame.
320 if (update_pending) {
321 /* crtc didn't flip in this target vblank interval,
322 * but flip is pending in crtc. It will complete it
323 * in next vblank interval, so complete the flip at
326 radeon_crtc->deferred_flip_completion = 1;
327 spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
331 /* Pageflip (will be) certainly completed in this vblank. Clean up. */
332 radeon_crtc->unpin_work = NULL;
334 /* wakeup userspace */
336 drm_send_vblank_event(rdev->ddev, crtc_id, work->event);
338 spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
340 drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id);
341 radeon_fence_unref(&work->fence);
342 radeon_post_page_flip(work->rdev, work->crtc_id);
343 schedule_work(&work->work);
346 static int radeon_crtc_page_flip(struct drm_crtc *crtc,
347 struct drm_framebuffer *fb,
348 struct drm_pending_vblank_event *event)
350 struct drm_device *dev = crtc->dev;
351 struct radeon_device *rdev = dev->dev_private;
352 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
353 struct radeon_framebuffer *old_radeon_fb;
354 struct radeon_framebuffer *new_radeon_fb;
355 struct drm_gem_object *obj;
356 struct radeon_bo *rbo;
357 struct radeon_unpin_work *work;
359 u32 tiling_flags, pitch_pixels;
363 work = kzalloc(sizeof *work, GFP_KERNEL);
369 work->crtc_id = radeon_crtc->crtc_id;
370 old_radeon_fb = to_radeon_framebuffer(crtc->fb);
371 new_radeon_fb = to_radeon_framebuffer(fb);
372 /* schedule unpin of the old buffer */
373 obj = old_radeon_fb->obj;
374 /* take a reference to the old object */
375 drm_gem_object_reference(obj);
376 rbo = gem_to_radeon_bo(obj);
378 obj = new_radeon_fb->obj;
379 rbo = gem_to_radeon_bo(obj);
381 spin_lock(&rbo->tbo.bdev->fence_lock);
382 if (rbo->tbo.sync_obj)
383 work->fence = radeon_fence_ref(rbo->tbo.sync_obj);
384 spin_unlock(&rbo->tbo.bdev->fence_lock);
386 INIT_WORK(&work->work, radeon_unpin_work_func);
388 /* We borrow the event spin lock for protecting unpin_work */
389 spin_lock_irqsave(&dev->event_lock, flags);
390 if (radeon_crtc->unpin_work) {
391 DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
395 radeon_crtc->unpin_work = work;
396 radeon_crtc->deferred_flip_completion = 0;
397 spin_unlock_irqrestore(&dev->event_lock, flags);
399 /* pin the new buffer */
400 DRM_DEBUG_DRIVER("flip-ioctl() cur_fbo = %p, cur_bbo = %p\n",
403 r = radeon_bo_reserve(rbo, false);
404 if (unlikely(r != 0)) {
405 DRM_ERROR("failed to reserve new rbo buffer before flip\n");
408 /* Only 27 bit offset for legacy CRTC */
409 r = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
410 ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, &base);
411 if (unlikely(r != 0)) {
412 radeon_bo_unreserve(rbo);
414 DRM_ERROR("failed to pin new rbo buffer before flip\n");
417 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
418 radeon_bo_unreserve(rbo);
420 if (!ASIC_IS_AVIVO(rdev)) {
421 /* crtc offset is from display base addr not FB location */
422 base -= radeon_crtc->legacy_display_base_addr;
423 pitch_pixels = fb->pitches[0] / (fb->bits_per_pixel / 8);
425 if (tiling_flags & RADEON_TILING_MACRO) {
426 if (ASIC_IS_R300(rdev)) {
429 int byteshift = fb->bits_per_pixel >> 4;
430 int tile_addr = (((crtc->y >> 3) * pitch_pixels + crtc->x) >> (8 - byteshift)) << 11;
431 base += tile_addr + ((crtc->x << byteshift) % 256) + ((crtc->y % 8) << 8);
434 int offset = crtc->y * pitch_pixels + crtc->x;
435 switch (fb->bits_per_pixel) {
456 spin_lock_irqsave(&dev->event_lock, flags);
457 work->new_crtc_base = base;
458 spin_unlock_irqrestore(&dev->event_lock, flags);
463 r = drm_vblank_get(dev, radeon_crtc->crtc_id);
465 DRM_ERROR("failed to get vblank before flip\n");
469 /* set the proper interrupt */
470 radeon_pre_page_flip(rdev, radeon_crtc->crtc_id);
475 if (unlikely(radeon_bo_reserve(rbo, false) != 0)) {
476 DRM_ERROR("failed to reserve new rbo in error path\n");
479 if (unlikely(radeon_bo_unpin(rbo) != 0)) {
480 DRM_ERROR("failed to unpin new rbo in error path\n");
482 radeon_bo_unreserve(rbo);
485 spin_lock_irqsave(&dev->event_lock, flags);
486 radeon_crtc->unpin_work = NULL;
488 spin_unlock_irqrestore(&dev->event_lock, flags);
489 drm_gem_object_unreference_unlocked(old_radeon_fb->obj);
490 radeon_fence_unref(&work->fence);
496 static const struct drm_crtc_funcs radeon_crtc_funcs = {
497 .cursor_set = radeon_crtc_cursor_set,
498 .cursor_move = radeon_crtc_cursor_move,
499 .gamma_set = radeon_crtc_gamma_set,
500 .set_config = drm_crtc_helper_set_config,
501 .destroy = radeon_crtc_destroy,
502 .page_flip = radeon_crtc_page_flip,
505 static void radeon_crtc_init(struct drm_device *dev, int index)
507 struct radeon_device *rdev = dev->dev_private;
508 struct radeon_crtc *radeon_crtc;
511 radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
512 if (radeon_crtc == NULL)
515 drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs);
517 drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256);
518 radeon_crtc->crtc_id = index;
519 rdev->mode_info.crtcs[index] = radeon_crtc;
521 if (rdev->family >= CHIP_BONAIRE) {
522 radeon_crtc->max_cursor_width = CIK_CURSOR_WIDTH;
523 radeon_crtc->max_cursor_height = CIK_CURSOR_HEIGHT;
525 radeon_crtc->max_cursor_width = CURSOR_WIDTH;
526 radeon_crtc->max_cursor_height = CURSOR_HEIGHT;
530 radeon_crtc->mode_set.crtc = &radeon_crtc->base;
531 radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1);
532 radeon_crtc->mode_set.num_connectors = 0;
535 for (i = 0; i < 256; i++) {
536 radeon_crtc->lut_r[i] = i << 2;
537 radeon_crtc->lut_g[i] = i << 2;
538 radeon_crtc->lut_b[i] = i << 2;
541 if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom))
542 radeon_atombios_init_crtc(dev, radeon_crtc);
544 radeon_legacy_init_crtc(dev, radeon_crtc);
547 static const char *encoder_names[38] = {
567 "INTERNAL_KLDSCP_TMDS1",
568 "INTERNAL_KLDSCP_DVO1",
569 "INTERNAL_KLDSCP_DAC1",
570 "INTERNAL_KLDSCP_DAC2",
579 "INTERNAL_KLDSCP_LVTMA",
588 static const char *hpd_names[6] = {
597 static void radeon_print_display_setup(struct drm_device *dev)
599 struct drm_connector *connector;
600 struct radeon_connector *radeon_connector;
601 struct drm_encoder *encoder;
602 struct radeon_encoder *radeon_encoder;
606 DRM_INFO("Radeon Display Connectors\n");
607 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
608 radeon_connector = to_radeon_connector(connector);
609 DRM_INFO("Connector %d:\n", i);
610 DRM_INFO(" %s\n", drm_get_connector_name(connector));
611 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
612 DRM_INFO(" %s\n", hpd_names[radeon_connector->hpd.hpd]);
613 if (radeon_connector->ddc_bus) {
614 DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
615 radeon_connector->ddc_bus->rec.mask_clk_reg,
616 radeon_connector->ddc_bus->rec.mask_data_reg,
617 radeon_connector->ddc_bus->rec.a_clk_reg,
618 radeon_connector->ddc_bus->rec.a_data_reg,
619 radeon_connector->ddc_bus->rec.en_clk_reg,
620 radeon_connector->ddc_bus->rec.en_data_reg,
621 radeon_connector->ddc_bus->rec.y_clk_reg,
622 radeon_connector->ddc_bus->rec.y_data_reg);
623 if (radeon_connector->router.ddc_valid)
624 DRM_INFO(" DDC Router 0x%x/0x%x\n",
625 radeon_connector->router.ddc_mux_control_pin,
626 radeon_connector->router.ddc_mux_state);
627 if (radeon_connector->router.cd_valid)
628 DRM_INFO(" Clock/Data Router 0x%x/0x%x\n",
629 radeon_connector->router.cd_mux_control_pin,
630 radeon_connector->router.cd_mux_state);
632 if (connector->connector_type == DRM_MODE_CONNECTOR_VGA ||
633 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
634 connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
635 connector->connector_type == DRM_MODE_CONNECTOR_DVIA ||
636 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
637 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)
638 DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n");
640 DRM_INFO(" Encoders:\n");
641 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
642 radeon_encoder = to_radeon_encoder(encoder);
643 devices = radeon_encoder->devices & radeon_connector->devices;
645 if (devices & ATOM_DEVICE_CRT1_SUPPORT)
646 DRM_INFO(" CRT1: %s\n", encoder_names[radeon_encoder->encoder_id]);
647 if (devices & ATOM_DEVICE_CRT2_SUPPORT)
648 DRM_INFO(" CRT2: %s\n", encoder_names[radeon_encoder->encoder_id]);
649 if (devices & ATOM_DEVICE_LCD1_SUPPORT)
650 DRM_INFO(" LCD1: %s\n", encoder_names[radeon_encoder->encoder_id]);
651 if (devices & ATOM_DEVICE_DFP1_SUPPORT)
652 DRM_INFO(" DFP1: %s\n", encoder_names[radeon_encoder->encoder_id]);
653 if (devices & ATOM_DEVICE_DFP2_SUPPORT)
654 DRM_INFO(" DFP2: %s\n", encoder_names[radeon_encoder->encoder_id]);
655 if (devices & ATOM_DEVICE_DFP3_SUPPORT)
656 DRM_INFO(" DFP3: %s\n", encoder_names[radeon_encoder->encoder_id]);
657 if (devices & ATOM_DEVICE_DFP4_SUPPORT)
658 DRM_INFO(" DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]);
659 if (devices & ATOM_DEVICE_DFP5_SUPPORT)
660 DRM_INFO(" DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]);
661 if (devices & ATOM_DEVICE_DFP6_SUPPORT)
662 DRM_INFO(" DFP6: %s\n", encoder_names[radeon_encoder->encoder_id]);
663 if (devices & ATOM_DEVICE_TV1_SUPPORT)
664 DRM_INFO(" TV1: %s\n", encoder_names[radeon_encoder->encoder_id]);
665 if (devices & ATOM_DEVICE_CV_SUPPORT)
666 DRM_INFO(" CV: %s\n", encoder_names[radeon_encoder->encoder_id]);
673 static bool radeon_setup_enc_conn(struct drm_device *dev)
675 struct radeon_device *rdev = dev->dev_private;
679 if (rdev->is_atom_bios) {
680 ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
682 ret = radeon_get_atom_connector_info_from_object_table(dev);
684 ret = radeon_get_legacy_connector_info_from_bios(dev);
686 ret = radeon_get_legacy_connector_info_from_table(dev);
689 if (!ASIC_IS_AVIVO(rdev))
690 ret = radeon_get_legacy_connector_info_from_table(dev);
693 radeon_setup_encoder_clones(dev);
694 radeon_print_display_setup(dev);
700 int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
702 struct drm_device *dev = radeon_connector->base.dev;
703 struct radeon_device *rdev = dev->dev_private;
706 /* on hw with routers, select right port */
707 if (radeon_connector->router.ddc_valid)
708 radeon_router_select_ddc_port(radeon_connector);
710 if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) !=
711 ENCODER_OBJECT_ID_NONE) {
712 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
715 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
716 &dig->dp_i2c_bus->adapter);
717 } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
718 (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
719 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
721 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
722 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus)
723 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
724 &dig->dp_i2c_bus->adapter);
725 else if (radeon_connector->ddc_bus && !radeon_connector->edid)
726 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
727 &radeon_connector->ddc_bus->adapter);
729 if (radeon_connector->ddc_bus && !radeon_connector->edid)
730 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
731 &radeon_connector->ddc_bus->adapter);
734 if (!radeon_connector->edid) {
735 if (rdev->is_atom_bios) {
736 /* some laptops provide a hardcoded edid in rom for LCDs */
737 if (((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_LVDS) ||
738 (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)))
739 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
741 /* some servers provide a hardcoded edid in rom for KVMs */
742 radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev);
744 if (radeon_connector->edid) {
745 drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
746 ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
749 drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
754 static void avivo_get_fb_div(struct radeon_pll *pll,
761 u32 tmp = post_div * ref_div;
764 *fb_div = tmp / pll->reference_freq;
765 *frac_fb_div = tmp % pll->reference_freq;
767 if (*fb_div > pll->max_feedback_div)
768 *fb_div = pll->max_feedback_div;
769 else if (*fb_div < pll->min_feedback_div)
770 *fb_div = pll->min_feedback_div;
773 static u32 avivo_get_post_div(struct radeon_pll *pll,
776 u32 vco, post_div, tmp;
778 if (pll->flags & RADEON_PLL_USE_POST_DIV)
779 return pll->post_div;
781 if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP) {
782 if (pll->flags & RADEON_PLL_IS_LCD)
783 vco = pll->lcd_pll_out_min;
785 vco = pll->pll_out_min;
787 if (pll->flags & RADEON_PLL_IS_LCD)
788 vco = pll->lcd_pll_out_max;
790 vco = pll->pll_out_max;
793 post_div = vco / target_clock;
794 tmp = vco % target_clock;
796 if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP) {
804 if (post_div > pll->max_post_div)
805 post_div = pll->max_post_div;
806 else if (post_div < pll->min_post_div)
807 post_div = pll->min_post_div;
812 #define MAX_TOLERANCE 10
814 void radeon_compute_pll_avivo(struct radeon_pll *pll,
822 u32 target_clock = freq / 10;
823 u32 post_div = avivo_get_post_div(pll, target_clock);
824 u32 ref_div = pll->min_ref_div;
825 u32 fb_div = 0, frac_fb_div = 0, tmp;
827 if (pll->flags & RADEON_PLL_USE_REF_DIV)
828 ref_div = pll->reference_div;
830 if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
831 avivo_get_fb_div(pll, target_clock, post_div, ref_div, &fb_div, &frac_fb_div);
832 frac_fb_div = (100 * frac_fb_div) / pll->reference_freq;
833 if (frac_fb_div >= 5) {
835 frac_fb_div = frac_fb_div / 10;
838 if (frac_fb_div >= 10) {
843 while (ref_div <= pll->max_ref_div) {
844 avivo_get_fb_div(pll, target_clock, post_div, ref_div,
845 &fb_div, &frac_fb_div);
846 if (frac_fb_div >= (pll->reference_freq / 2))
849 tmp = (pll->reference_freq * fb_div) / (post_div * ref_div);
850 tmp = (tmp * 10000) / target_clock;
852 if (tmp > (10000 + MAX_TOLERANCE))
854 else if (tmp >= (10000 - MAX_TOLERANCE))
861 *dot_clock_p = ((pll->reference_freq * fb_div * 10) + (pll->reference_freq * frac_fb_div)) /
862 (ref_div * post_div * 10);
864 *frac_fb_div_p = frac_fb_div;
865 *ref_div_p = ref_div;
866 *post_div_p = post_div;
867 DRM_DEBUG_KMS("%d, pll dividers - fb: %d.%d ref: %d, post %d\n",
868 *dot_clock_p, fb_div, frac_fb_div, ref_div, post_div);
872 static inline uint32_t radeon_div(uint64_t n, uint32_t d)
882 void radeon_compute_pll_legacy(struct radeon_pll *pll,
884 uint32_t *dot_clock_p,
886 uint32_t *frac_fb_div_p,
888 uint32_t *post_div_p)
890 uint32_t min_ref_div = pll->min_ref_div;
891 uint32_t max_ref_div = pll->max_ref_div;
892 uint32_t min_post_div = pll->min_post_div;
893 uint32_t max_post_div = pll->max_post_div;
894 uint32_t min_fractional_feed_div = 0;
895 uint32_t max_fractional_feed_div = 0;
896 uint32_t best_vco = pll->best_vco;
897 uint32_t best_post_div = 1;
898 uint32_t best_ref_div = 1;
899 uint32_t best_feedback_div = 1;
900 uint32_t best_frac_feedback_div = 0;
901 uint32_t best_freq = -1;
902 uint32_t best_error = 0xffffffff;
903 uint32_t best_vco_diff = 1;
905 u32 pll_out_min, pll_out_max;
907 DRM_DEBUG_KMS("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div);
910 if (pll->flags & RADEON_PLL_IS_LCD) {
911 pll_out_min = pll->lcd_pll_out_min;
912 pll_out_max = pll->lcd_pll_out_max;
914 pll_out_min = pll->pll_out_min;
915 pll_out_max = pll->pll_out_max;
918 if (pll_out_min > 64800)
921 if (pll->flags & RADEON_PLL_USE_REF_DIV)
922 min_ref_div = max_ref_div = pll->reference_div;
924 while (min_ref_div < max_ref_div-1) {
925 uint32_t mid = (min_ref_div + max_ref_div) / 2;
926 uint32_t pll_in = pll->reference_freq / mid;
927 if (pll_in < pll->pll_in_min)
929 else if (pll_in > pll->pll_in_max)
936 if (pll->flags & RADEON_PLL_USE_POST_DIV)
937 min_post_div = max_post_div = pll->post_div;
939 if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
940 min_fractional_feed_div = pll->min_frac_feedback_div;
941 max_fractional_feed_div = pll->max_frac_feedback_div;
944 for (post_div = max_post_div; post_div >= min_post_div; --post_div) {
947 if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
950 /* legacy radeons only have a few post_divs */
951 if (pll->flags & RADEON_PLL_LEGACY) {
952 if ((post_div == 5) ||
963 for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) {
964 uint32_t feedback_div, current_freq = 0, error, vco_diff;
965 uint32_t pll_in = pll->reference_freq / ref_div;
966 uint32_t min_feed_div = pll->min_feedback_div;
967 uint32_t max_feed_div = pll->max_feedback_div + 1;
969 if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max)
972 while (min_feed_div < max_feed_div) {
974 uint32_t min_frac_feed_div = min_fractional_feed_div;
975 uint32_t max_frac_feed_div = max_fractional_feed_div + 1;
976 uint32_t frac_feedback_div;
979 feedback_div = (min_feed_div + max_feed_div) / 2;
981 tmp = (uint64_t)pll->reference_freq * feedback_div;
982 vco = radeon_div(tmp, ref_div);
984 if (vco < pll_out_min) {
985 min_feed_div = feedback_div + 1;
987 } else if (vco > pll_out_max) {
988 max_feed_div = feedback_div;
992 while (min_frac_feed_div < max_frac_feed_div) {
993 frac_feedback_div = (min_frac_feed_div + max_frac_feed_div) / 2;
994 tmp = (uint64_t)pll->reference_freq * 10000 * feedback_div;
995 tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div;
996 current_freq = radeon_div(tmp, ref_div * post_div);
998 if (pll->flags & RADEON_PLL_PREFER_CLOSEST_LOWER) {
999 if (freq < current_freq)
1002 error = freq - current_freq;
1004 error = abs(current_freq - freq);
1005 vco_diff = abs(vco - best_vco);
1007 if ((best_vco == 0 && error < best_error) ||
1009 ((best_error > 100 && error < best_error - 100) ||
1010 (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) {
1011 best_post_div = post_div;
1012 best_ref_div = ref_div;
1013 best_feedback_div = feedback_div;
1014 best_frac_feedback_div = frac_feedback_div;
1015 best_freq = current_freq;
1017 best_vco_diff = vco_diff;
1018 } else if (current_freq == freq) {
1019 if (best_freq == -1) {
1020 best_post_div = post_div;
1021 best_ref_div = ref_div;
1022 best_feedback_div = feedback_div;
1023 best_frac_feedback_div = frac_feedback_div;
1024 best_freq = current_freq;
1026 best_vco_diff = vco_diff;
1027 } else if (((pll->flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) ||
1028 ((pll->flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) ||
1029 ((pll->flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) ||
1030 ((pll->flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) ||
1031 ((pll->flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) ||
1032 ((pll->flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) {
1033 best_post_div = post_div;
1034 best_ref_div = ref_div;
1035 best_feedback_div = feedback_div;
1036 best_frac_feedback_div = frac_feedback_div;
1037 best_freq = current_freq;
1039 best_vco_diff = vco_diff;
1042 if (current_freq < freq)
1043 min_frac_feed_div = frac_feedback_div + 1;
1045 max_frac_feed_div = frac_feedback_div;
1047 if (current_freq < freq)
1048 min_feed_div = feedback_div + 1;
1050 max_feed_div = feedback_div;
1055 *dot_clock_p = best_freq / 10000;
1056 *fb_div_p = best_feedback_div;
1057 *frac_fb_div_p = best_frac_feedback_div;
1058 *ref_div_p = best_ref_div;
1059 *post_div_p = best_post_div;
1060 DRM_DEBUG_KMS("%lld %d, pll dividers - fb: %d.%d ref: %d, post %d\n",
1062 best_freq / 1000, best_feedback_div, best_frac_feedback_div,
1063 best_ref_div, best_post_div);
1067 static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
1069 struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
1071 if (radeon_fb->obj) {
1072 drm_gem_object_unreference_unlocked(radeon_fb->obj);
1074 drm_framebuffer_cleanup(fb);
1078 static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb,
1079 struct drm_file *file_priv,
1080 unsigned int *handle)
1082 struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
1084 return drm_gem_handle_create(file_priv, radeon_fb->obj, handle);
1087 static const struct drm_framebuffer_funcs radeon_fb_funcs = {
1088 .destroy = radeon_user_framebuffer_destroy,
1089 .create_handle = radeon_user_framebuffer_create_handle,
1093 radeon_framebuffer_init(struct drm_device *dev,
1094 struct radeon_framebuffer *rfb,
1095 struct drm_mode_fb_cmd2 *mode_cmd,
1096 struct drm_gem_object *obj)
1100 drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd);
1101 ret = drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs);
1109 static struct drm_framebuffer *
1110 radeon_user_framebuffer_create(struct drm_device *dev,
1111 struct drm_file *file_priv,
1112 struct drm_mode_fb_cmd2 *mode_cmd)
1114 struct drm_gem_object *obj;
1115 struct radeon_framebuffer *radeon_fb;
1118 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
1120 dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, "
1121 "can't create framebuffer\n", mode_cmd->handles[0]);
1122 return ERR_PTR(-ENOENT);
1125 radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
1126 if (radeon_fb == NULL) {
1127 drm_gem_object_unreference_unlocked(obj);
1128 return ERR_PTR(-ENOMEM);
1131 ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
1134 drm_gem_object_unreference_unlocked(obj);
1135 return ERR_PTR(ret);
1138 return &radeon_fb->base;
1141 static void radeon_output_poll_changed(struct drm_device *dev)
1143 struct radeon_device *rdev = dev->dev_private;
1144 radeon_fb_output_poll_changed(rdev);
1147 static const struct drm_mode_config_funcs radeon_mode_funcs = {
1148 .fb_create = radeon_user_framebuffer_create,
1149 .output_poll_changed = radeon_output_poll_changed
1152 static struct drm_prop_enum_list radeon_tmds_pll_enum_list[] =
1157 static struct drm_prop_enum_list radeon_tv_std_enum_list[] =
1158 { { TV_STD_NTSC, "ntsc" },
1159 { TV_STD_PAL, "pal" },
1160 { TV_STD_PAL_M, "pal-m" },
1161 { TV_STD_PAL_60, "pal-60" },
1162 { TV_STD_NTSC_J, "ntsc-j" },
1163 { TV_STD_SCART_PAL, "scart-pal" },
1164 { TV_STD_PAL_CN, "pal-cn" },
1165 { TV_STD_SECAM, "secam" },
1168 static struct drm_prop_enum_list radeon_underscan_enum_list[] =
1169 { { UNDERSCAN_OFF, "off" },
1170 { UNDERSCAN_ON, "on" },
1171 { UNDERSCAN_AUTO, "auto" },
1174 static int radeon_modeset_create_props(struct radeon_device *rdev)
1178 if (rdev->is_atom_bios) {
1179 rdev->mode_info.coherent_mode_property =
1180 drm_property_create_range(rdev->ddev, 0 , "coherent", 0, 1);
1181 if (!rdev->mode_info.coherent_mode_property)
1185 if (!ASIC_IS_AVIVO(rdev)) {
1186 sz = ARRAY_SIZE(radeon_tmds_pll_enum_list);
1187 rdev->mode_info.tmds_pll_property =
1188 drm_property_create_enum(rdev->ddev, 0,
1190 radeon_tmds_pll_enum_list, sz);
1193 rdev->mode_info.load_detect_property =
1194 drm_property_create_range(rdev->ddev, 0, "load detection", 0, 1);
1195 if (!rdev->mode_info.load_detect_property)
1198 drm_mode_create_scaling_mode_property(rdev->ddev);
1200 sz = ARRAY_SIZE(radeon_tv_std_enum_list);
1201 rdev->mode_info.tv_std_property =
1202 drm_property_create_enum(rdev->ddev, 0,
1204 radeon_tv_std_enum_list, sz);
1206 sz = ARRAY_SIZE(radeon_underscan_enum_list);
1207 rdev->mode_info.underscan_property =
1208 drm_property_create_enum(rdev->ddev, 0,
1210 radeon_underscan_enum_list, sz);
1212 rdev->mode_info.underscan_hborder_property =
1213 drm_property_create_range(rdev->ddev, 0,
1214 "underscan hborder", 0, 128);
1215 if (!rdev->mode_info.underscan_hborder_property)
1218 rdev->mode_info.underscan_vborder_property =
1219 drm_property_create_range(rdev->ddev, 0,
1220 "underscan vborder", 0, 128);
1221 if (!rdev->mode_info.underscan_vborder_property)
1227 void radeon_update_display_priority(struct radeon_device *rdev)
1229 /* adjustment options for the display watermarks */
1230 if ((radeon_disp_priority == 0) || (radeon_disp_priority > 2)) {
1231 /* set display priority to high for r3xx, rv515 chips
1232 * this avoids flickering due to underflow to the
1233 * display controllers during heavy acceleration.
1234 * Don't force high on rs4xx igp chips as it seems to
1235 * affect the sound card. See kernel bug 15982.
1237 if ((ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515)) &&
1238 !(rdev->flags & RADEON_IS_IGP))
1239 rdev->disp_priority = 2;
1241 rdev->disp_priority = 0;
1243 rdev->disp_priority = radeon_disp_priority;
1248 * Allocate hdmi structs and determine register offsets
1250 static void radeon_afmt_init(struct radeon_device *rdev)
1254 for (i = 0; i < RADEON_MAX_AFMT_BLOCKS; i++)
1255 rdev->mode_info.afmt[i] = NULL;
1257 if (ASIC_IS_NODCE(rdev)) {
1259 } else if (ASIC_IS_DCE4(rdev)) {
1260 static uint32_t eg_offsets[] = {
1261 EVERGREEN_CRTC0_REGISTER_OFFSET,
1262 EVERGREEN_CRTC1_REGISTER_OFFSET,
1263 EVERGREEN_CRTC2_REGISTER_OFFSET,
1264 EVERGREEN_CRTC3_REGISTER_OFFSET,
1265 EVERGREEN_CRTC4_REGISTER_OFFSET,
1266 EVERGREEN_CRTC5_REGISTER_OFFSET,
1271 /* DCE8 has 7 audio blocks tied to DIG encoders */
1272 /* DCE6 has 6 audio blocks tied to DIG encoders */
1273 /* DCE4/5 has 6 audio blocks tied to DIG encoders */
1274 /* DCE4.1 has 2 audio blocks tied to DIG encoders */
1275 if (ASIC_IS_DCE8(rdev))
1277 else if (ASIC_IS_DCE6(rdev))
1279 else if (ASIC_IS_DCE5(rdev))
1281 else if (ASIC_IS_DCE41(rdev))
1286 BUG_ON(num_afmt > ARRAY_SIZE(eg_offsets));
1287 for (i = 0; i < num_afmt; i++) {
1288 rdev->mode_info.afmt[i] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL);
1289 if (rdev->mode_info.afmt[i]) {
1290 rdev->mode_info.afmt[i]->offset = eg_offsets[i];
1291 rdev->mode_info.afmt[i]->id = i;
1294 } else if (ASIC_IS_DCE3(rdev)) {
1295 /* DCE3.x has 2 audio blocks tied to DIG encoders */
1296 rdev->mode_info.afmt[0] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL);
1297 if (rdev->mode_info.afmt[0]) {
1298 rdev->mode_info.afmt[0]->offset = DCE3_HDMI_OFFSET0;
1299 rdev->mode_info.afmt[0]->id = 0;
1301 rdev->mode_info.afmt[1] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL);
1302 if (rdev->mode_info.afmt[1]) {
1303 rdev->mode_info.afmt[1]->offset = DCE3_HDMI_OFFSET1;
1304 rdev->mode_info.afmt[1]->id = 1;
1306 } else if (ASIC_IS_DCE2(rdev)) {
1307 /* DCE2 has at least 1 routable audio block */
1308 rdev->mode_info.afmt[0] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL);
1309 if (rdev->mode_info.afmt[0]) {
1310 rdev->mode_info.afmt[0]->offset = DCE2_HDMI_OFFSET0;
1311 rdev->mode_info.afmt[0]->id = 0;
1313 /* r6xx has 2 routable audio blocks */
1314 if (rdev->family >= CHIP_R600) {
1315 rdev->mode_info.afmt[1] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL);
1316 if (rdev->mode_info.afmt[1]) {
1317 rdev->mode_info.afmt[1]->offset = DCE2_HDMI_OFFSET1;
1318 rdev->mode_info.afmt[1]->id = 1;
1324 static void radeon_afmt_fini(struct radeon_device *rdev)
1328 for (i = 0; i < RADEON_MAX_AFMT_BLOCKS; i++) {
1329 kfree(rdev->mode_info.afmt[i]);
1330 rdev->mode_info.afmt[i] = NULL;
1334 int radeon_modeset_init(struct radeon_device *rdev)
1339 drm_mode_config_init(rdev->ddev);
1340 rdev->mode_info.mode_config_initialized = true;
1342 rdev->ddev->mode_config.funcs = &radeon_mode_funcs;
1344 if (ASIC_IS_DCE5(rdev)) {
1345 rdev->ddev->mode_config.max_width = 16384;
1346 rdev->ddev->mode_config.max_height = 16384;
1347 } else if (ASIC_IS_AVIVO(rdev)) {
1348 rdev->ddev->mode_config.max_width = 8192;
1349 rdev->ddev->mode_config.max_height = 8192;
1351 rdev->ddev->mode_config.max_width = 4096;
1352 rdev->ddev->mode_config.max_height = 4096;
1355 rdev->ddev->mode_config.preferred_depth = 24;
1356 rdev->ddev->mode_config.prefer_shadow = 1;
1358 rdev->ddev->mode_config.fb_base = rdev->mc.aper_base;
1360 ret = radeon_modeset_create_props(rdev);
1365 /* init i2c buses */
1366 radeon_i2c_init(rdev);
1368 /* check combios for a valid hardcoded EDID - Sun servers */
1369 if (!rdev->is_atom_bios) {
1370 /* check for hardcoded EDID in BIOS */
1371 radeon_combios_check_hardcoded_edid(rdev);
1374 /* allocate crtcs */
1375 for (i = 0; i < rdev->num_crtc; i++) {
1376 radeon_crtc_init(rdev->ddev, i);
1379 /* okay we should have all the bios connectors */
1380 ret = radeon_setup_enc_conn(rdev->ddev);
1385 /* init dig PHYs, disp eng pll */
1386 if (rdev->is_atom_bios) {
1387 radeon_atom_encoder_init(rdev);
1388 radeon_atom_disp_eng_pll_init(rdev);
1391 /* initialize hpd */
1392 radeon_hpd_init(rdev);
1395 radeon_afmt_init(rdev);
1397 /* Initialize power management */
1398 radeon_pm_init(rdev);
1400 radeon_fbdev_init(rdev);
1401 drm_kms_helper_poll_init(rdev->ddev);
1406 void radeon_modeset_fini(struct radeon_device *rdev)
1408 radeon_fbdev_fini(rdev);
1409 kfree(rdev->mode_info.bios_hardcoded_edid);
1410 radeon_pm_fini(rdev);
1412 if (rdev->mode_info.mode_config_initialized) {
1413 radeon_afmt_fini(rdev);
1414 drm_kms_helper_poll_fini(rdev->ddev);
1415 radeon_hpd_fini(rdev);
1416 drm_mode_config_cleanup(rdev->ddev);
1417 rdev->mode_info.mode_config_initialized = false;
1419 /* free i2c buses */
1420 radeon_i2c_fini(rdev);
1423 static bool is_hdtv_mode(const struct drm_display_mode *mode)
1425 /* try and guess if this is a tv or a monitor */
1426 if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */
1427 (mode->vdisplay == 576) || /* 576p */
1428 (mode->vdisplay == 720) || /* 720p */
1429 (mode->vdisplay == 1080)) /* 1080p */
1435 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
1436 const struct drm_display_mode *mode,
1437 struct drm_display_mode *adjusted_mode)
1439 struct drm_device *dev = crtc->dev;
1440 struct radeon_device *rdev = dev->dev_private;
1441 struct drm_encoder *encoder;
1442 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1443 struct radeon_encoder *radeon_encoder;
1444 struct drm_connector *connector;
1445 struct radeon_connector *radeon_connector;
1447 u32 src_v = 1, dst_v = 1;
1448 u32 src_h = 1, dst_h = 1;
1450 radeon_crtc->h_border = 0;
1451 radeon_crtc->v_border = 0;
1453 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1454 if (encoder->crtc != crtc)
1456 radeon_encoder = to_radeon_encoder(encoder);
1457 connector = radeon_get_connector_for_encoder(encoder);
1458 radeon_connector = to_radeon_connector(connector);
1462 if (radeon_encoder->rmx_type == RMX_OFF)
1463 radeon_crtc->rmx_type = RMX_OFF;
1464 else if (mode->hdisplay < radeon_encoder->native_mode.hdisplay ||
1465 mode->vdisplay < radeon_encoder->native_mode.vdisplay)
1466 radeon_crtc->rmx_type = radeon_encoder->rmx_type;
1468 radeon_crtc->rmx_type = RMX_OFF;
1469 /* copy native mode */
1470 memcpy(&radeon_crtc->native_mode,
1471 &radeon_encoder->native_mode,
1472 sizeof(struct drm_display_mode));
1473 src_v = crtc->mode.vdisplay;
1474 dst_v = radeon_crtc->native_mode.vdisplay;
1475 src_h = crtc->mode.hdisplay;
1476 dst_h = radeon_crtc->native_mode.hdisplay;
1478 /* fix up for overscan on hdmi */
1479 if (ASIC_IS_AVIVO(rdev) &&
1480 (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) &&
1481 ((radeon_encoder->underscan_type == UNDERSCAN_ON) ||
1482 ((radeon_encoder->underscan_type == UNDERSCAN_AUTO) &&
1483 drm_detect_hdmi_monitor(radeon_connector->edid) &&
1484 is_hdtv_mode(mode)))) {
1485 if (radeon_encoder->underscan_hborder != 0)
1486 radeon_crtc->h_border = radeon_encoder->underscan_hborder;
1488 radeon_crtc->h_border = (mode->hdisplay >> 5) + 16;
1489 if (radeon_encoder->underscan_vborder != 0)
1490 radeon_crtc->v_border = radeon_encoder->underscan_vborder;
1492 radeon_crtc->v_border = (mode->vdisplay >> 5) + 16;
1493 radeon_crtc->rmx_type = RMX_FULL;
1494 src_v = crtc->mode.vdisplay;
1495 dst_v = crtc->mode.vdisplay - (radeon_crtc->v_border * 2);
1496 src_h = crtc->mode.hdisplay;
1497 dst_h = crtc->mode.hdisplay - (radeon_crtc->h_border * 2);
1501 if (radeon_crtc->rmx_type != radeon_encoder->rmx_type) {
1502 /* WARNING: Right now this can't happen but
1503 * in the future we need to check that scaling
1504 * are consistent across different encoder
1505 * (ie all encoder can work with the same
1508 DRM_ERROR("Scaling not consistent across encoder.\n");
1513 if (radeon_crtc->rmx_type != RMX_OFF) {
1515 a.full = dfixed_const(src_v);
1516 b.full = dfixed_const(dst_v);
1517 radeon_crtc->vsc.full = dfixed_div(a, b);
1518 a.full = dfixed_const(src_h);
1519 b.full = dfixed_const(dst_h);
1520 radeon_crtc->hsc.full = dfixed_div(a, b);
1522 radeon_crtc->vsc.full = dfixed_const(1);
1523 radeon_crtc->hsc.full = dfixed_const(1);
1529 * Retrieve current video scanout position of crtc on a given gpu.
1531 * \param dev Device to query.
1532 * \param crtc Crtc to query.
1533 * \param *vpos Location where vertical scanout position should be stored.
1534 * \param *hpos Location where horizontal scanout position should go.
1536 * Returns vpos as a positive number while in active scanout area.
1537 * Returns vpos as a negative number inside vblank, counting the number
1538 * of scanlines to go until end of vblank, e.g., -1 means "one scanline
1539 * until start of active scanout / end of vblank."
1541 * \return Flags, or'ed together as follows:
1543 * DRM_SCANOUTPOS_VALID = Query successful.
1544 * DRM_SCANOUTPOS_INVBL = Inside vblank.
1545 * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of
1546 * this flag means that returned position may be offset by a constant but
1547 * unknown small number of scanlines wrt. real scanout position.
1550 int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, int *vpos, int *hpos)
1552 u32 stat_crtc = 0, vbl = 0, position = 0;
1553 int vbl_start, vbl_end, vtotal, ret = 0;
1556 struct radeon_device *rdev = dev->dev_private;
1558 if (ASIC_IS_DCE4(rdev)) {
1560 vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
1561 EVERGREEN_CRTC0_REGISTER_OFFSET);
1562 position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
1563 EVERGREEN_CRTC0_REGISTER_OFFSET);
1564 ret |= DRM_SCANOUTPOS_VALID;
1567 vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
1568 EVERGREEN_CRTC1_REGISTER_OFFSET);
1569 position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
1570 EVERGREEN_CRTC1_REGISTER_OFFSET);
1571 ret |= DRM_SCANOUTPOS_VALID;
1574 vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
1575 EVERGREEN_CRTC2_REGISTER_OFFSET);
1576 position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
1577 EVERGREEN_CRTC2_REGISTER_OFFSET);
1578 ret |= DRM_SCANOUTPOS_VALID;
1581 vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
1582 EVERGREEN_CRTC3_REGISTER_OFFSET);
1583 position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
1584 EVERGREEN_CRTC3_REGISTER_OFFSET);
1585 ret |= DRM_SCANOUTPOS_VALID;
1588 vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
1589 EVERGREEN_CRTC4_REGISTER_OFFSET);
1590 position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
1591 EVERGREEN_CRTC4_REGISTER_OFFSET);
1592 ret |= DRM_SCANOUTPOS_VALID;
1595 vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END +
1596 EVERGREEN_CRTC5_REGISTER_OFFSET);
1597 position = RREG32(EVERGREEN_CRTC_STATUS_POSITION +
1598 EVERGREEN_CRTC5_REGISTER_OFFSET);
1599 ret |= DRM_SCANOUTPOS_VALID;
1601 } else if (ASIC_IS_AVIVO(rdev)) {
1603 vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END);
1604 position = RREG32(AVIVO_D1CRTC_STATUS_POSITION);
1605 ret |= DRM_SCANOUTPOS_VALID;
1608 vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END);
1609 position = RREG32(AVIVO_D2CRTC_STATUS_POSITION);
1610 ret |= DRM_SCANOUTPOS_VALID;
1613 /* Pre-AVIVO: Different encoding of scanout pos and vblank interval. */
1615 /* Assume vbl_end == 0, get vbl_start from
1618 vbl = (RREG32(RADEON_CRTC_V_TOTAL_DISP) &
1619 RADEON_CRTC_V_DISP) >> RADEON_CRTC_V_DISP_SHIFT;
1620 /* Only retrieve vpos from upper 16 bits, set hpos == 0. */
1621 position = (RREG32(RADEON_CRTC_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
1622 stat_crtc = RREG32(RADEON_CRTC_STATUS);
1623 if (!(stat_crtc & 1))
1626 ret |= DRM_SCANOUTPOS_VALID;
1629 vbl = (RREG32(RADEON_CRTC2_V_TOTAL_DISP) &
1630 RADEON_CRTC_V_DISP) >> RADEON_CRTC_V_DISP_SHIFT;
1631 position = (RREG32(RADEON_CRTC2_VLINE_CRNT_VLINE) >> 16) & RADEON_CRTC_V_TOTAL;
1632 stat_crtc = RREG32(RADEON_CRTC2_STATUS);
1633 if (!(stat_crtc & 1))
1636 ret |= DRM_SCANOUTPOS_VALID;
1640 /* Decode into vertical and horizontal scanout position. */
1641 *vpos = position & 0x1fff;
1642 *hpos = (position >> 16) & 0x1fff;
1644 /* Valid vblank area boundaries from gpu retrieved? */
1647 ret |= DRM_SCANOUTPOS_ACCURATE;
1648 vbl_start = vbl & 0x1fff;
1649 vbl_end = (vbl >> 16) & 0x1fff;
1652 /* No: Fake something reasonable which gives at least ok results. */
1653 vbl_start = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vdisplay;
1657 /* Test scanout position against vblank region. */
1658 if ((*vpos < vbl_start) && (*vpos >= vbl_end))
1661 /* Check if inside vblank area and apply corrective offsets:
1662 * vpos will then be >=0 in video scanout area, but negative
1663 * within vblank area, counting down the number of lines until
1667 /* Inside "upper part" of vblank area? Apply corrective offset if so: */
1668 if (in_vbl && (*vpos >= vbl_start)) {
1669 vtotal = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vtotal;
1670 *vpos = *vpos - vtotal;
1673 /* Correct for shifted end of vbl at vbl_end. */
1674 *vpos = *vpos - vbl_end;
1678 ret |= DRM_SCANOUTPOS_INVBL;