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Merge drm-fixes into drm-next.

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Nouveau wanted this to avoid some worse conflicts when I merge that.
This commit is contained in:
Dave Airlie
2016-03-14 09:42:34 +10:00
parent 550e3b23a5 125234dc8b
commit 9b61c0fcdf
1064 changed files with 12863 additions and 8130 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
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@@ -70,8 +70,8 @@ static void amdgpu_flip_work_func(struct work_struct *__work)
struct drm_crtc *crtc = &amdgpuCrtc->base;
unsigned long flags;
unsigned i;
int vpos, hpos, stat, min_udelay;
unsigned i, repcnt = 4;
int vpos, hpos, stat, min_udelay = 0;
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[work->crtc_id];
if (amdgpu_flip_handle_fence(work, &work->excl))
@@ -97,7 +97,7 @@ 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.
*/
for (;;) {
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.
@@ -113,12 +113,24 @@ 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);
};
if (!repcnt)
DRM_DEBUG_DRIVER("Delay problem on crtc %d: min_udelay %d, "
"framedur %d, linedur %d, stat %d, vpos %d, "
"hpos %d\n", work->crtc_id, min_udelay,
vblank->framedur_ns / 1000,
vblank->linedur_ns / 1000, stat, vpos, hpos);
/* set the flip status */
amdgpuCrtc->pflip_status = AMDGPU_FLIP_SUBMITTED;
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);