[Intel-gfx] drm/i915/slpc: Add SKL SLPC Support

[David Weinehall]

On Sat, Aug 20, 2016 at 10:39:03AM +0530, Sagar Arun Kamble wrote:
> From: Tom O'Rourke <Tom.O'Rourke at intel.com>
> 
> This patch adds has_slpc to skylake info.
> 
> The SLPC interface has changed and could continue to
> change.  Only GuC versions known to be compatible are
> supported here.
> 
> On Skylake, GuC firmware v6 is supported.  Other
> platforms and versions can be added here later.
> 
> v2: Move slpc_version_check to intel_guc_ucode_init
> v3: fix whitespace (Sagar)
> v5: Moved version check to different patch as has_slpc
>     should not be updated based on it. Instead module paramter
>     should be updated based on version check. (Sagar)
>     Added support to skylake_gt3 as well. (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_pci.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 2587b1b..e678051 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -322,12 +322,14 @@ static const struct intel_device_info intel_skylake_info = {
>  	BDW_FEATURES,
>  	.is_skylake = 1,
>  	.gen = 9,
> +	.has_slpc = 1,
>  };
>  
>  static const struct intel_device_info intel_skylake_gt3_info = {
>  	BDW_FEATURES,
>  	.is_skylake = 1,
>  	.gen = 9,
> +	.has_slpc = 1,
>  	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
>  };

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

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