Re: [Intel-gfx] [PATCH 3/3] drm/i915/selftests: Add initial GuC selftest for scrubbing lost G2H

2021-08-10 Thread Daniel Vetter
On Mon, Aug 09, 2021 at 07:41:29PM +, Matthew Brost wrote: > On Mon, Aug 09, 2021 at 04:03:28PM +0200, Daniel Vetter wrote: > > On Sun, Aug 08, 2021 at 11:07:57AM -0700, Matthew Brost wrote: > > > While debugging an issue with full GT resets I went down a rabbit hole > > > thinking the

Re: [Intel-gfx] [PATCH 3/3] drm/i915/selftests: Add initial GuC selftest for scrubbing lost G2H

2021-08-09 Thread Matthew Brost
On Mon, Aug 09, 2021 at 04:03:28PM +0200, Daniel Vetter wrote: > On Sun, Aug 08, 2021 at 11:07:57AM -0700, Matthew Brost wrote: > > While debugging an issue with full GT resets I went down a rabbit hole > > thinking the scrubbing of lost G2H wasn't working correctly. This proved > > to be

Re: [Intel-gfx] [PATCH 3/3] drm/i915/selftests: Add initial GuC selftest for scrubbing lost G2H

2021-08-09 Thread Daniel Vetter
On Sun, Aug 08, 2021 at 11:07:57AM -0700, Matthew Brost wrote: > While debugging an issue with full GT resets I went down a rabbit hole > thinking the scrubbing of lost G2H wasn't working correctly. This proved > to be incorrect as this was working just fine but this chase inspired me > to write a

[PATCH 3/3] drm/i915/selftests: Add initial GuC selftest for scrubbing lost G2H

2021-08-08 Thread Matthew Brost
While debugging an issue with full GT resets I went down a rabbit hole thinking the scrubbing of lost G2H wasn't working correctly. This proved to be incorrect as this was working just fine but this chase inspired me to write a selftest to prove that this works. This simple selftest injects errors