[Intel-gfx] drm/i915/slpc: Add has_slpc capability flag

[David Weinehall]

On Sat, Aug 20, 2016 at 10:39:02AM +0530, Sagar Arun Kamble wrote:
> From: Tom O'Rourke <Tom.O'Rourke at intel.com>
> 
> Add has_slpc capablity flag to indicate GuC firmware
> supports single loop power control (SLPC).  SLPC is
> a replacement for some host-based power management
> features.
> 
> v2: fix whitespace (Sagar)
> 
> Signed-off-by: Tom O'Rourke <Tom.O'Rourke at intel.com>
> Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 35caa9b..764fad0 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -646,6 +646,7 @@ struct intel_csr {
>  	func(is_kabylake) sep \
>  	func(is_preliminary) sep \
>  	func(has_fbc) sep \
> +	func(has_slpc) sep \
>  	func(has_pipe_cxsr) sep \
>  	func(has_hotplug) sep \
>  	func(cursor_needs_physical) sep \
> @@ -2800,6 +2801,7 @@ struct drm_i915_cmd_table {
>  #define HAS_GUC(dev)		(IS_GEN9(dev))
>  #define HAS_GUC_UCODE(dev)	(HAS_GUC(dev))
>  #define HAS_GUC_SCHED(dev)	(HAS_GUC(dev))
> +#define HAS_SLPC(dev)		(INTEL_INFO(dev)->has_slpc)
>  
>  #define HAS_RESOURCE_STREAMER(dev) (IS_HASWELL(dev) || \
>  				    INTEL_INFO(dev)->gen >= 8)

Reviewed-by: David Weinehall <david.weinehall at linux.intel.com>
-- 
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