diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv515.c | 3 |
3 files changed, 14 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a4e9f35..74f99ba 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1638,8 +1638,8 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, (viewport_w << 16) | viewport_h); - /* set pageflip to happen anywhere in vblank interval */ - WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); + /* set pageflip to happen only at start of vblank interval (front porch) */ + WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); if (!atomic && fb && fb != crtc->primary->fb) { radeon_fb = to_radeon_framebuffer(fb); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 5070646..b8ab30a 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -452,16 +452,19 @@ static void radeon_flip_work_func(struct work_struct *__work) } /* Wait until we're out of the vertical blank period before the one - * targeted by the flip + * targeted by the flip. Always wait on pre DCE4 to avoid races with + * flip completion handling from vblank irq, as these old asics don't + * have reliable pageflip completion interrupts. */ while (radeon_crtc->enabled && - (radeon_get_crtc_scanoutpos(dev, work->crtc_id, 0, - &vpos, &hpos, NULL, NULL, - &crtc->hwmode) + (radeon_get_crtc_scanoutpos(dev, work->crtc_id, 0, + &vpos, &hpos, NULL, NULL, + &crtc->hwmode) & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == - (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && - (int)(work->target_vblank - - dev->driver->get_vblank_counter(dev, work->crtc_id)) > 0) + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && + (!ASIC_IS_AVIVO(rdev) || + ((int) (work->target_vblank - + dev->driver->get_vblank_counter(dev, work->crtc_id)) > 0))) usleep_range(1000, 2000); /* We borrow the event spin lock for protecting flip_status */ diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 76c55c5..c55d653 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -406,8 +406,9 @@ void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) for (i = 0; i < rdev->num_crtc; i++) { if (save->crtc_enabled[i]) { tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]); - if ((tmp & 0x7) != 0) { + if ((tmp & 0x7) != 3) { tmp &= ~0x7; + tmp |= 0x3; WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); } tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]); |