[Intel-gfx] [PATCH v3 resend 4/5] drm/i915: add I915_PARAM_HAS_RESOURCE_STREAMER to i915_getparam

[Abdiel Janulgue]

On 06/16/2015 03:41 PM, Abdiel Janulgue wrote:
> This will let userspace know whether Resource Streamer is supported
> in the kernel.
> 
> v2: Update I915_PARAM_HAS_RESOURCE_STREAMER so it's after
>     I915_PARAM_HAS_GPU_RESET.
> v3: Only advertise RS support for hardware that supports it.

Ping. Any status on this one?

> 
> Suggested-by: Kenneth Graunke <kenneth at whitecape.org>
> Cc: Kenneth Graunke <kenneth at whitecape.org>
> Signed-off-by: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_dma.c | 3 +++
>  include/uapi/drm/i915_drm.h     | 1 +
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 88795d2..4f55f51 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -168,6 +168,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
>  			i915.reset &&
>  			intel_has_gpu_reset(dev);
>  		break;
> +	case I915_PARAM_HAS_RESOURCE_STREAMER:
> +		value = IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8;
> +               break;
>  	default:
>  		DRM_DEBUG("Unknown parameter %d\n", param->param);
>  		return -EINVAL;
> diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
> index f88cc1c..51137bd 100644
> --- a/include/uapi/drm/i915_drm.h
> +++ b/include/uapi/drm/i915_drm.h
> @@ -355,6 +355,7 @@ typedef struct drm_i915_irq_wait {
>  #define I915_PARAM_SUBSLICE_TOTAL	 33
>  #define I915_PARAM_EU_TOTAL		 34
>  #define I915_PARAM_HAS_GPU_RESET	 35
> +#define I915_PARAM_HAS_RESOURCE_STREAMER 36
>  
>  typedef struct drm_i915_getparam {
>  	int param;
>