[Intel-gfx] [PATCH v6] drm/i915/guc: capture GuC logs if FW fails to load

[Michal Wajdeczko]

On Mon, May 22, 2017 at 10:50:28AM -0700, Daniele Ceraolo Spurio wrote:
> We're currently deleting the GuC logs if the FW fails to load, but those
> are still useful to understand why the loading failed. Keeping the
> object around allows us to access them after driver load is completed.
> 
> v2: keep the object around instead of using kernel memory (chris)
>     don't store the logs in the gpu_error struct (Chris)
>     add a check on guc_log_level to avoid snapshotting empty logs
> 
> v3: use separate debugfs for error log (Chris)
> 
> v4: rebased
> 
> v5: clean up obj selection, move err_load inside guc_log, move err_load
>     cleanup, rename functions (Michal)
> 
> v6: move obj back to intel_guc, move functions to intel_uc.c, don't
>     clear obj on new GuC load, free object only if enable_guc_loading
>     is set (Michal)
> 
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Oscar Mateo <oscar.mateo at intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> ---

Reviewed-by: Michal Wajdeczko <michal.wajdeczko at intel.com>

Regards,
Michal