[Intel-gfx] [PATCH] drm/i915/huc: Fix error reported by I915_PARAM_HUC_STATUS

[Ye, Tony]

Acked-by: Tony Ye <tony.ye at intel.com>

On 1/22/2020 11:48 AM, Michal Wajdeczko wrote:
>  From commit 84b1ca2f0e68 ("drm/i915/uc: prefer intel_gt over i915
> in GuC/HuC paths") we stopped using HUC_STATUS error -ENODEV only
> to indicate lack of HuC hardware and we started to use this error
> also for all other cases when HuC was not in use or supported.
> 
> Fix that by relying again on HAS_GT_UC macro, since currently
> used function intel_huc_is_supported() is based on HuC firmware
> support which could be unsupported also due to force disabled
> GuC firmware.
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Tony Ye <tony.ye at intel.com>
> ---
>   drivers/gpu/drm/i915/gt/uc/intel_huc.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
> index 32a069841c14..ad4d9e16a24e 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
> @@ -209,7 +209,7 @@ int intel_huc_check_status(struct intel_huc *huc)
>   	intel_wakeref_t wakeref;
>   	u32 status = 0;
>   
> -	if (!intel_huc_is_supported(huc))
> +	if (!HAS_GT_UC(gt->i915))
>   		return -ENODEV;
>   
>   	with_intel_runtime_pm(gt->uncore->rpm, wakeref)
>