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authorDave Airlie <airlied@redhat.com>2016-03-09 14:19:14 +1000
committerDave Airlie <airlied@redhat.com>2016-03-09 14:19:14 +1000
commit913830147ace0a31ac0128726b29153d570c9985 (patch)
treeb066c70b512b8dc007c279812b3663dc45f15aaa /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
parentdad82ea3ef4b9dc97ca5ec718abc6b0986f1aaaf (diff)
parentd74e766e1916d0e09b86e4b5b9d0f819628fd546 (diff)
Merge branch 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
radeon and amdgpu fixes for 4.5. Three regression fixes and some fixups for the error handling in the vblank regression fixes from earlier. * 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux: Revert "drm/radeon/pm: adjust display configuration after powerstate" drm/amdgpu/dp: add back special handling for NUTMEG drm/radeon/dp: add back special handling for NUTMEG drm/radeon: Fix error handling in radeon_flip_work_func. drm/amdgpu: Fix error handling in amdgpu_flip_work_func.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 8297bc319369..1846d65b7285 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -96,7 +96,7 @@ static void amdgpu_flip_work_func(struct work_struct *__work)
* In practice this won't execute very often unless on very fast
* machines because the time window for this to happen is very small.
*/
- while (amdgpuCrtc->enabled && repcnt--) {
+ while (amdgpuCrtc->enabled && --repcnt) {
/* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank
* start in hpos, and to the "fudged earlier" vblank start in
* vpos.
@@ -112,13 +112,13 @@ static void amdgpu_flip_work_func(struct work_struct *__work)
break;
/* Sleep at least until estimated real start of hw vblank */
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5);
if (min_udelay > vblank->framedur_ns / 2000) {
/* Don't wait ridiculously long - something is wrong */
repcnt = 0;
break;
}
+ spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
usleep_range(min_udelay, 2 * min_udelay);
spin_lock_irqsave(&crtc->dev->event_lock, flags);
};