[Intel-gfx] [PATCH v5 2/8] drm/i915/uc: Disable GuC submission during sanitize

[Sagar Arun Kamble]

On 3/28/2018 2:05 AM, Michal Wajdeczko wrote:
> We should not leave GuC submission enabled after sanitize,
> as we are going to reset all GuC/HuC hardware.
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Sagar Arun Kamble <sagar.a.kamble at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
> ---
>   drivers/gpu/drm/i915/intel_uc.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
> index 4aad844..ec90c81 100644
> --- a/drivers/gpu/drm/i915/intel_uc.c
> +++ b/drivers/gpu/drm/i915/intel_uc.c
> @@ -330,6 +330,9 @@ void intel_uc_sanitize(struct drm_i915_private *i915)
>   
>   	GEM_BUG_ON(!HAS_GUC(i915));
>   
> +	if (USES_GUC_SUBMISSION(dev_priv))
> +		intel_guc_submission_disable(guc);
> +
>   	guc_disable_communication(guc);
>   
>   	intel_huc_sanitize(huc);

-- 
Thanks,
Sagar