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path: root/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_crtc.c77
1 files changed, 7 insertions, 70 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index cc27485a07ad..b6d8081e1246 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -339,69 +339,6 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
339 } 339 }
340} 340}
341 341
342/* properly set crtc bpp when using atombios */
343void radeon_legacy_atom_set_surface(struct drm_crtc *crtc)
344{
345 struct drm_device *dev = crtc->dev;
346 struct radeon_device *rdev = dev->dev_private;
347 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
348 int format;
349 uint32_t crtc_gen_cntl;
350 uint32_t disp_merge_cntl;
351 uint32_t crtc_pitch;
352
353 switch (crtc->fb->bits_per_pixel) {
354 case 8:
355 format = 2;
356 break;
357 case 15: /* 555 */
358 format = 3;
359 break;
360 case 16: /* 565 */
361 format = 4;
362 break;
363 case 24: /* RGB */
364 format = 5;
365 break;
366 case 32: /* xRGB */
367 format = 6;
368 break;
369 default:
370 return;
371 }
372
373 crtc_pitch = ((((crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8)) * crtc->fb->bits_per_pixel) +
374 ((crtc->fb->bits_per_pixel * 8) - 1)) /
375 (crtc->fb->bits_per_pixel * 8));
376 crtc_pitch |= crtc_pitch << 16;
377
378 WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
379
380 switch (radeon_crtc->crtc_id) {
381 case 0:
382 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
383 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
384 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
385
386 crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL) & 0xfffff0ff;
387 crtc_gen_cntl |= (format << 8);
388 crtc_gen_cntl |= RADEON_CRTC_EXT_DISP_EN;
389 WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);
390 break;
391 case 1:
392 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
393 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
394 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
395
396 crtc_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL) & 0xfffff0ff;
397 crtc_gen_cntl |= (format << 8);
398 WREG32(RADEON_CRTC2_GEN_CNTL, crtc_gen_cntl);
399 WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
400 WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
401 break;
402 }
403}
404
405int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, 342int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
406 struct drm_framebuffer *old_fb) 343 struct drm_framebuffer *old_fb)
407{ 344{
@@ -755,7 +692,6 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
755 uint32_t post_divider = 0; 692 uint32_t post_divider = 0;
756 uint32_t freq = 0; 693 uint32_t freq = 0;
757 uint8_t pll_gain; 694 uint8_t pll_gain;
758 int pll_flags = RADEON_PLL_LEGACY;
759 bool use_bios_divs = false; 695 bool use_bios_divs = false;
760 /* PLL registers */ 696 /* PLL registers */
761 uint32_t pll_ref_div = 0; 697 uint32_t pll_ref_div = 0;
@@ -789,10 +725,12 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
789 else 725 else
790 pll = &rdev->clock.p1pll; 726 pll = &rdev->clock.p1pll;
791 727
728 pll->flags = RADEON_PLL_LEGACY;
729
792 if (mode->clock > 200000) /* range limits??? */ 730 if (mode->clock > 200000) /* range limits??? */
793 pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 731 pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
794 else 732 else
795 pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 733 pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
796 734
797 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 735 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
798 if (encoder->crtc == crtc) { 736 if (encoder->crtc == crtc) {
@@ -804,7 +742,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
804 } 742 }
805 743
806 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) 744 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
807 pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; 745 pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
808 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) { 746 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) {
809 if (!rdev->is_atom_bios) { 747 if (!rdev->is_atom_bios) {
810 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 748 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
@@ -819,7 +757,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
819 } 757 }
820 } 758 }
821 } 759 }
822 pll_flags |= RADEON_PLL_USE_REF_DIV; 760 pll->flags |= RADEON_PLL_USE_REF_DIV;
823 } 761 }
824 } 762 }
825 } 763 }
@@ -829,8 +767,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
829 if (!use_bios_divs) { 767 if (!use_bios_divs) {
830 radeon_compute_pll(pll, mode->clock, 768 radeon_compute_pll(pll, mode->clock,
831 &freq, &feedback_div, &frac_fb_div, 769 &freq, &feedback_div, &frac_fb_div,
832 &reference_div, &post_divider, 770 &reference_div, &post_divider);
833 pll_flags);
834 771
835 for (post_div = &post_divs[0]; post_div->divider; ++post_div) { 772 for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
836 if (post_div->divider == post_divider) 773 if (post_div->divider == post_divider)