On 27/11/2018 11:34, Daniele Ceraolo Spurio wrote:
On 26/11/2018 06:51, Michal Wajdeczko wrote:
On Wed, 17 Oct 2018 00:46:47 +0200, Daniele Ceraolo Spurio
wrote:
/snip/
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h
b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 8382d591c784..1a853c
On 26/11/2018 06:51, Michal Wajdeczko wrote:
On Wed, 17 Oct 2018 00:46:47 +0200, Daniele Ceraolo Spurio
wrote:
/snip/
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h
b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 8382d591c784..1a853cc627e3 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwi
On Wed, 17 Oct 2018 00:46:47 +0200, Daniele Ceraolo Spurio
wrote:
/snip/
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h
b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 8382d591c784..1a853cc627e3 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.
Quoting Michal Wajdeczko (2018-10-17 17:40:50)
> On Wed, 17 Oct 2018 00:46:47 +0200, Daniele Ceraolo Spurio
> wrote:
>
> > The ENTER/EXIT_S_STATE actions queue the save/restore operation in GuC
> > FW and then return, so waiting on the H2G is not enough to guarantee
> > GuC is done.
> > When al
On Wed, 17 Oct 2018 00:46:47 +0200, Daniele Ceraolo Spurio
wrote:
The ENTER/EXIT_S_STATE actions queue the save/restore operation in GuC
FW and then return, so waiting on the H2G is not enough to guarantee
GuC is done.
When all the processing is done, GuC writes 0 to scratch register 14,
so w
The ENTER/EXIT_S_STATE actions queue the save/restore operation in GuC
FW and then return, so waiting on the H2G is not enough to guarantee
GuC is done.
When all the processing is done, GuC writes 0 to scratch register 14,
so we can poll on that. Note that GuC does not ensure that the value
in the
