[Intel-gfx] [PATCH] drm/i915/cnl: Add max allowed Cannonlake DC.

[Imre Deak]

On Thu, Jul 06, 2017 at 01:45:08PM -0700, Rodrigo Vivi wrote:
> This is a follow-up after enabling DC states with
> commit: "drm/i915/DMC/CNL: Load DMC on CNL".
> 
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

Reviewed-by: Imre Deak <imre.deak at intel.com>

We could add max_dc_state to intel_device_info at one point.

> ---
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 5eb9c5e..f630d63 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -2492,7 +2492,7 @@ static uint32_t get_allowed_dc_mask(const struct drm_i915_private *dev_priv,
>  	int requested_dc;
>  	int max_dc;
>  
> -	if (IS_GEN9_BC(dev_priv)) {
> +	if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv)) {
>  		max_dc = 2;
>  		mask = 0;
>  	} else if (IS_GEN9_LP(dev_priv)) {
> -- 
> 1.9.1
>