[Intel-gfx] [PATCH 2/3] drm/i915: Use intel_engine_lookup_user for probing HAS_BSD etc

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Use the same mechanism to determine if a backend engine exists for a
> uabi mapping as used internally.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_drv.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index ac5868c12b97..d7bc6e5d5c52 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -373,16 +373,20 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data,
>  		value = dev_priv->overlay ? 1 : 0;
>  		break;
>  	case I915_PARAM_HAS_BSD:
> -		value = !!dev_priv->engine[VCS0];
> +		value = !!intel_engine_lookup_user(dev_priv,
> +						   I915_ENGINE_CLASS_VIDEO, 0);
>  		break;
>  	case I915_PARAM_HAS_BLT:
> -		value = !!dev_priv->engine[BCS0];
> +		value = !!intel_engine_lookup_user(dev_priv,
> +						   I915_ENGINE_CLASS_COPY, 0);
>  		break;
>  	case I915_PARAM_HAS_VEBOX:
> -		value = !!dev_priv->engine[VECS0];
> +		value = !!intel_engine_lookup_user(dev_priv,
> +						   I915_ENGINE_CLASS_VIDEO_ENHANCE, 0);
>  		break;
>  	case I915_PARAM_HAS_BSD2:
> -		value = !!dev_priv->engine[VCS1];
> +		value = !!intel_engine_lookup_user(dev_priv,
> +						   I915_ENGINE_CLASS_VIDEO, 1);
>  		break;
>  	case I915_PARAM_HAS_LLC:
>  		value = HAS_LLC(dev_priv);
> -- 
> 2.23.0.rc1