From: Quentin Schulz quentin.schulz@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.schulz@free-electrons.com Signed-off-by: Damian Kos dkos@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);