WARNING: CPU: 0 PID: 3634 at drivers/gpu/drm/drm_irq.c:1141 drm_wait_one_vblank
mhocko at suse.cz
Tue Jun 30 13:13:35 PDT 2015
On Tue 30-06-15 18:59:29, Daniel Vetter wrote:
> I looked at dmesg, nothing out of the ordinary there. Unfortunately also
> no hints why the pipe is somehow off when we think it's on. Can you please
> test the below patch and grab a new dmesg?
> Also it might be time to start bisecting this if you can readily reproduce it.
Yes, I can reproduce it just by switching to the text console. Sometimes
it is the first attempt already but sometimes it takes several attempts.
I will try to go back to 4.0 and bisect it then.
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index d0f3cbc87474..b8d9314ef459 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -12190,7 +12190,7 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
> * flipping, so increasing its cost here shouldn't be a big
> * deal).
> - if (i915.fastboot && ret == 0)
> + if (ret == 0)
> Daniel Vetter
> Software Engineer, Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 25781 bytes
Desc: not available
More information about the dri-devel