Re: [Mesa-dev] [PATCH] intel: Apply Geminilake "Barrier Mode" workaround.

2018-01-09 Thread Kenneth Graunke
On Monday, January 8, 2018 3:00:30 PM PST Rafael Antognolli wrote: > On Thu, Jan 04, 2018 at 11:36:48AM -0800, Kenneth Graunke wrote: > > Apparently, Geminilake requires you to whack a chicken bit to select > > either compute or tessellation mode for barriers. The recommendation > > is to switch b

Re: [Mesa-dev] [PATCH] intel: Apply Geminilake "Barrier Mode" workaround.

2018-01-08 Thread Rafael Antognolli
On Thu, Jan 04, 2018 at 11:36:48AM -0800, Kenneth Graunke wrote: > Apparently, Geminilake requires you to whack a chicken bit to select > either compute or tessellation mode for barriers. The recommendation > is to switch between them at PIPELINE_SELECT time. > > We may not need to do this all th

[Mesa-dev] [PATCH] intel: Apply Geminilake "Barrier Mode" workaround.

2018-01-04 Thread Kenneth Graunke
Apparently, Geminilake requires you to whack a chicken bit to select either compute or tessellation mode for barriers. The recommendation is to switch between them at PIPELINE_SELECT time. We may not need to do this all the time, but I don't know that it hurts either. PIPELINE_SELECT is already