On Tue, Oct 11, 2022 at 12:30:48PM +0300, Vinod Govindapillai wrote:
> DSC feature information is no longer part of the DFSM register in
> some display generations.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovs...@intel.com>

> 
> Bspec:50075
> Signed-off-by: Vinod Govindapillai <vinod.govindapil...@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_device_info.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c 
> b/drivers/gpu/drm/i915/intel_device_info.c
> index 908ec241fe71..17d2e3293892 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -480,7 +480,7 @@ void intel_device_info_runtime_init(struct 
> drm_i915_private *dev_priv)
>               if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & 
> ICL_DFSM_DMC_DISABLE))
>                       runtime->has_dmc = 0;
>  
> -             if (DISPLAY_VER(dev_priv) >= 10 &&
> +             if (IS_DISPLAY_VER(dev_priv, 10, 12) &&
>                   (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
>                       runtime->has_dsc = 0;
>       }
> -- 
> 2.34.1
> 

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