Re: [Intel-gfx] [RFC PATCH 74/97] drm/i915/guc: Capture error state on context reset

2021-05-11 Thread Daniel Vetter
On Tue, May 11, 2021 at 10:12:32AM -0700, Matthew Brost wrote: > On Tue, May 11, 2021 at 06:28:25PM +0200, Daniel Vetter wrote: > > On Thu, May 06, 2021 at 12:14:28PM -0700, Matthew Brost wrote: > > > We receive notification of an engine reset from GuC at its > > > completion. Meaning GuC has poten

Re: [Intel-gfx] [RFC PATCH 74/97] drm/i915/guc: Capture error state on context reset

2021-05-11 Thread Matthew Brost
On Tue, May 11, 2021 at 06:28:25PM +0200, Daniel Vetter wrote: > On Thu, May 06, 2021 at 12:14:28PM -0700, Matthew Brost wrote: > > We receive notification of an engine reset from GuC at its > > completion. Meaning GuC has potentially cleared any HW state > > we may have been interested in capturin

Re: [Intel-gfx] [RFC PATCH 74/97] drm/i915/guc: Capture error state on context reset

2021-05-11 Thread Daniel Vetter
On Thu, May 06, 2021 at 12:14:28PM -0700, Matthew Brost wrote: > We receive notification of an engine reset from GuC at its > completion. Meaning GuC has potentially cleared any HW state > we may have been interested in capturing. GuC resumes scheduling > on the engine post-reset, as the resets are

[RFC PATCH 74/97] drm/i915/guc: Capture error state on context reset

2021-05-06 Thread Matthew Brost
We receive notification of an engine reset from GuC at its completion. Meaning GuC has potentially cleared any HW state we may have been interested in capturing. GuC resumes scheduling on the engine post-reset, as the resets are meant to be transparent, further muddling our error state. There is o