[Intel-gfx] [PATCH] drm/i915/display: Increase the DDI idle timeout to 500us

2020-03-19 Thread Arkadiusz Hiler
Bspec says that we should timeout after 500us. Let's match this in the code. It may help with few of the timeouts we see here and there. Bspec: 22243, 49190 Issue: https://gitlab.freedesktop.org/drm/intel/issues/1069 Suggested-by: Uma Shankar Cc: Imre Deak Signed-off-by: Arkadiusz Hiler --- dr

Re: [Intel-gfx] [PATCH] drm/i915/display: Increase the DDI idle timeout to 500us

2020-03-19 Thread Arkadiusz Hiler
On Thu, Mar 19, 2020 at 11:20:34AM +0200, Arkadiusz Hiler wrote: > Bspec says that we should timeout after 500us. Let's match this in the > code. It may help with few of the timeouts we see here and there. Plese disregard. it's 500us when waiting on non-idle and only 8 (16 for BXT) for back to idl

Re: [Intel-gfx] [PATCH] drm/i915/display: Increase the DDI idle timeout to 500us

2020-03-19 Thread Ville Syrjälä
On Thu, Mar 19, 2020 at 11:30:03AM +0200, Arkadiusz Hiler wrote: > On Thu, Mar 19, 2020 at 11:20:34AM +0200, Arkadiusz Hiler wrote: > > Bspec says that we should timeout after 500us. Let's match this in the > > code. It may help with few of the timeouts we see here and there. > > Plese disregard.