[RESEND-CI v4 06/15] drm/edid: parse sink information before CEA blocks

[Ville Syrjälä]

On Wed, Jun 21, 2017 at 04:04:04PM +0530, Shashank Sharma wrote:
> CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
> This block contains a map of indexes of CEA modes, which can
> support YCBCR 420 output also. To avoid multiple parsing of same
> CEA block, let's parse the sink information and get this map, before
> parsing CEA modes.
> 
> This patch moves the call to drm_add_display_info function, before the
> mode parsing block.
> 
> Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
> ---
>  drivers/gpu/drm/drm_edid.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index b4583f6..42934b2 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -4605,6 +4605,13 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
>  	quirks = edid_get_quirks(edid);
>  
>  	/*
> +	 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
> +	 * To avoid multiple parsing of same block, lets parse that map
> +	 * from sink info, before parsing CEA modes.
> +	 */
> +	drm_add_display_info(connector, edid);
> +

This patch should come before the 4:2:0 mode parsing, no?

Otherwise I think this should be fine so
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> +	/*
>  	 * EDID spec says modes should be preferred in this order:
>  	 * - preferred detailed mode
>  	 * - other detailed modes from base block
> @@ -4632,8 +4639,6 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
>  	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
>  		edid_fixup_preferred(connector, quirks);
>  
> -	drm_add_display_info(connector, edid);
> -
>  	if (quirks & EDID_QUIRK_FORCE_6BPC)
>  		connector->display_info.bpc = 6;
>  
> -- 
> 2.7.4

-- 
Ville Syrjälä
Intel OTC