diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_legacy_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 78 |
1 files changed, 67 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 5677a424b58..cafb1ccf2ec 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -295,6 +295,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; + uint32_t crtc_ext_cntl = 0; uint32_t mask; if (radeon_crtc->crtc_id) @@ -307,6 +308,16 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS); + /* + * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC. + * Therefore it is set in the DAC DMPS function. + * This is different for GPU's with a single CRTC but a primary and a + * TV DAC: here it controls the single CRTC no matter where it is + * routed. Therefore we set it here. + */ + if (rdev->flags & RADEON_SINGLE_CRTC) + crtc_ext_cntl = RADEON_CRTC_CRT_ON; + switch (mode) { case DRM_MODE_DPMS_ON: radeon_crtc->enabled = true; @@ -317,7 +328,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); @@ -331,7 +342,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl)); } radeon_crtc->enabled = false; /* adjust pm to dpms changes AFTER disabling crtcs */ @@ -374,7 +385,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, DRM_DEBUG_KMS("\n"); /* no fb bound */ - if (!atomic && !crtc->fb) { + if (!atomic && !crtc->primary->fb) { DRM_DEBUG_KMS("No FB bound\n"); return 0; } @@ -384,8 +395,8 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, target_fb = fb; } else { - radeon_fb = to_radeon_framebuffer(crtc->fb); - target_fb = crtc->fb; + radeon_fb = to_radeon_framebuffer(crtc->primary->fb); + target_fb = crtc->primary->fb; } switch (target_fb->bits_per_pixel) { @@ -411,6 +422,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, /* Pin framebuffer & get tilling informations */ obj = radeon_fb->obj; rbo = gem_to_radeon_bo(obj); +retry: r = radeon_bo_reserve(rbo, false); if (unlikely(r != 0)) return r; @@ -419,6 +431,33 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, &base); if (unlikely(r != 0)) { radeon_bo_unreserve(rbo); + + /* On old GPU like RN50 with little vram pining can fails because + * current fb is taking all space needed. So instead of unpining + * the old buffer after pining the new one, first unpin old one + * and then retry pining new one. + * + * As only master can set mode only master can pin and it is + * unlikely the master client will race with itself especialy + * on those old gpu with single crtc. + * + * We don't shutdown the display controller because new buffer + * will end up in same spot. + */ + if (!atomic && fb && fb != crtc->primary->fb) { + struct radeon_bo *old_rbo; + unsigned long nsize, osize; + + old_rbo = gem_to_radeon_bo(to_radeon_framebuffer(fb)->obj); + osize = radeon_bo_size(old_rbo); + nsize = radeon_bo_size(rbo); + if (nsize <= osize && !radeon_bo_reserve(old_rbo, false)) { + radeon_bo_unpin(old_rbo); + radeon_bo_unreserve(old_rbo); + fb = NULL; + goto retry; + } + } return -EINVAL; } radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); @@ -516,7 +555,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, crtc_offset); WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch); - if (!atomic && fb && fb != crtc->fb) { + if (!atomic && fb && fb != crtc->primary->fb) { radeon_fb = to_radeon_framebuffer(fb); rbo = gem_to_radeon_bo(radeon_fb->obj); r = radeon_bo_reserve(rbo, false); @@ -560,7 +599,7 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod } } - switch (crtc->fb->bits_per_pixel) { + switch (crtc->primary->fb->bits_per_pixel) { case 8: format = 2; break; @@ -1020,11 +1059,9 @@ static int radeon_crtc_mode_set(struct drm_crtc *crtc, static void radeon_crtc_prepare(struct drm_crtc *crtc) { - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct drm_crtc *crtci; - radeon_crtc->in_mode_set = true; /* * The hardware wedges sometimes if you reconfigure one CRTC * whilst another is running (see fdo bug #24611). @@ -1035,7 +1072,6 @@ static void radeon_crtc_prepare(struct drm_crtc *crtc) static void radeon_crtc_commit(struct drm_crtc *crtc) { - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct drm_crtc *crtci; @@ -1046,7 +1082,26 @@ static void radeon_crtc_commit(struct drm_crtc *crtc) if (crtci->enabled) radeon_crtc_dpms(crtci, DRM_MODE_DPMS_ON); } - radeon_crtc->in_mode_set = false; +} + +static void radeon_crtc_disable(struct drm_crtc *crtc) +{ + radeon_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->primary->fb) { + int r; + struct radeon_framebuffer *radeon_fb; + struct radeon_bo *rbo; + + radeon_fb = to_radeon_framebuffer(crtc->primary->fb); + rbo = gem_to_radeon_bo(radeon_fb->obj); + r = radeon_bo_reserve(rbo, false); + if (unlikely(r)) + DRM_ERROR("failed to reserve rbo before unpin\n"); + else { + radeon_bo_unpin(rbo); + radeon_bo_unreserve(rbo); + } + } } static const struct drm_crtc_helper_funcs legacy_helper_funcs = { @@ -1058,6 +1113,7 @@ static const struct drm_crtc_helper_funcs legacy_helper_funcs = { .prepare = radeon_crtc_prepare, .commit = radeon_crtc_commit, .load_lut = radeon_crtc_load_lut, + .disable = radeon_crtc_disable }; |