Re: [Intel-gfx] [PATCH] drm/i915: Implement ReadHitWriteOnlyDisable.

2017-11-01 Thread Rafael Antognolli
On Wed, Nov 01, 2017 at 02:11:05PM -0700, Rodrigo Vivi wrote: > On Wed, Nov 01, 2017 at 04:32:35PM +, Rafael Antognolli wrote: > > The workaround for this is described as: > > > > "if RenderSurfaceState.Num_Multisamples > 1, disable RCC clock gating if > > RenderSurfaceState.Num_Multisamples =

Re: [Intel-gfx] [PATCH] drm/i915: Implement ReadHitWriteOnlyDisable.

2017-11-01 Thread Rodrigo Vivi
On Wed, Nov 01, 2017 at 04:32:35PM +, Rafael Antognolli wrote: > The workaround for this is described as: > > "if RenderSurfaceState.Num_Multisamples > 1, disable RCC clock gating if > RenderSurfaceState.Num_Multisamples == 1, set 0x7010[14] = 1" > > So it looks like the userspace should be r

[Intel-gfx] [PATCH] drm/i915: Implement ReadHitWriteOnlyDisable.

2017-11-01 Thread Rafael Antognolli
The workaround for this is described as: "if RenderSurfaceState.Num_Multisamples > 1, disable RCC clock gating if RenderSurfaceState.Num_Multisamples == 1, set 0x7010[14] = 1" So it looks like the userspace should be responsible for setting these, based on the number of multisamples dependency. H