From: Quentin Schulz <quentin.sch...@free-electrons.com>
Due to the DP IP being simulated in a different and way slower way than
the rest of the hardware, increase the timeout in
drm_atomic_helper_wait_for_vblanks so that we don't miss the vblank
event.
Signed-off-by: Quentin Schulz <quentin.sch...@free-electrons.com>
Signed-off-by: Damian Kos <d...@cadence.com>
---
drivers/gpu/drm/drm_atomic_helper.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c
b/drivers/gpu/drm/drm_atomic_helper.c
index c356545..0171249 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1345,7 +1345,7 @@ int drm_atomic_helper_wait_for_fences(struct drm_device
*dev,
ret = wait_event_timeout(dev->vblank[i].queue,
old_state->crtcs[i].last_vblank_count !=
drm_crtc_vblank_count(crtc),
- msecs_to_jiffies(50));
+ msecs_to_jiffies(4000));
WARN(!ret, "[CRTC:%d:%s] vblank wait timed out\n",
crtc->base.id, crtc->name);
--
1.7.1
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