[Intel-gfx] [PATCH v2 02/11] drm/edid: fix reduced blanking support check

[Ville Syrjälä]

On Mon, Mar 28, 2022 at 12:17:16PM +0300, Jani Nikula wrote:
> The reduced blanking bit is valid only for CVT, indicated by display
> range limits flags 0x04.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/drm_edid.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 1b552fe54f38..13d05062d68c 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -2408,7 +2408,7 @@ is_rb(struct detailed_timing *t, void *data)
>  	if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
>  		return;
>  
> -	if (r[15] & 0x10)
> +	if (r[10] == DRM_EDID_CVT_SUPPORT_FLAG && r[15] & 0x10)
>  		*(bool *)data = true;
>  }
>  
> -- 
> 2.30.2

-- 
Ville Syrjälä
Intel