Re: [Intel-gfx] [PATCH] drm/i915: Beef up the IPS vs. CRC workaround

2016-12-22 Thread Ville Syrjälä
On Wed, Dec 21, 2016 at 03:04:43PM -0200, Paulo Zanoni wrote: > Em Qua, 2016-12-21 às 11:31 +0200, ville.syrj...@linux.intel.com > escreveu: > > From: Ville Syrjälä > > > > Oneshot disabling of IPS when CRC capturing is started is > > insufficient. > > IPS may get re-enabled by any plane update,

Re: [Intel-gfx] [PATCH] drm/i915: Beef up the IPS vs. CRC workaround

2016-12-21 Thread Paulo Zanoni
Em Qua, 2016-12-21 às 11:31 +0200, ville.syrj...@linux.intel.com escreveu: > From: Ville Syrjälä > > Oneshot disabling of IPS when CRC capturing is started is > insufficient. > IPS may get re-enabled by any plane update, and hence tests that keep > CRC capturing on across plane updates will start

Re: [Intel-gfx] [PATCH] drm/i915: Beef up the IPS vs. CRC workaround

2016-12-21 Thread Ville Syrjälä
On Wed, Dec 21, 2016 at 11:31:05AM +0200, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > Oneshot disabling of IPS when CRC capturing is started is insufficient. > IPS may get re-enabled by any plane update, and hence tests that keep > CRC capturing on across plane updates will sta

[Intel-gfx] [PATCH] drm/i915: Beef up the IPS vs. CRC workaround

2016-12-21 Thread ville . syrjala
From: Ville Syrjälä Oneshot disabling of IPS when CRC capturing is started is insufficient. IPS may get re-enabled by any plane update, and hence tests that keep CRC capturing on across plane updates will start to see inconsistent results as soon as IPS kicks back in. Add a new knob into the crtc