Re: [PATCH v6 06/12] drm/edid: refactor _drm_edid_connector_update() and rename

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On Tue, 20 Dec 2022, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Fri, Dec 16, 2022 at 06:00:20PM +0200, Jani Nikula wrote:
>> By moving update_display_info() out of _drm_edid_connector_update() we
>> make the function purely about adding modes.
>
> I don't think that's quite true. The 4:2:0 stuff still updates
> various display_info things from the mode parsing functions.

Right. I meant the top level. Will amend the commit message.

BR,
Jani.


>
>> Rename accordingly.
>> 
>> Cc: Imre Deak <imre.deak@xxxxxxxxx>
>> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>> ---
>>  drivers/gpu/drm/drm_edid.c | 25 ++++++++++++-------------
>>  1 file changed, 12 insertions(+), 13 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
>> index 15f69c362fc3..4ebfd7212bce 100644
>> --- a/drivers/gpu/drm/drm_edid.c
>> +++ b/drivers/gpu/drm/drm_edid.c
>> @@ -6575,19 +6575,12 @@ static int add_displayid_detailed_modes(struct drm_connector *connector,
>>  	return num_modes;
>>  }
>>  
>> -static int _drm_edid_connector_update(struct drm_connector *connector,
>> -				      const struct drm_edid *drm_edid)
>> +static int _drm_edid_connector_add_modes(struct drm_connector *connector,
>> +					 const struct drm_edid *drm_edid)
>>  {
>>  	const struct drm_display_info *info = &connector->display_info;
>>  	int num_modes = 0;
>>  
>> -	/*
>> -	 * 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.
>> -	 */
>> -	update_display_info(connector, drm_edid);
>> -
>>  	if (!drm_edid)
>>  		return 0;
>>  
>> @@ -6692,7 +6685,9 @@ int drm_edid_connector_update(struct drm_connector *connector,
>>  {
>>  	int count;
>>  
>> -	count = _drm_edid_connector_update(connector, drm_edid);
>> +	update_display_info(connector, drm_edid);
>> +
>> +	count = _drm_edid_connector_add_modes(connector, drm_edid);
>>  
>>  	_drm_update_tile_info(connector, drm_edid);
>>  
>> @@ -6762,7 +6757,8 @@ EXPORT_SYMBOL(drm_connector_update_edid_property);
>>   */
>>  int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
>>  {
>> -	struct drm_edid drm_edid;
>> +	struct drm_edid _drm_edid;
>> +	const struct drm_edid *drm_edid;
>>  
>>  	if (edid && !drm_edid_is_valid(edid)) {
>>  		drm_warn(connector->dev, "[CONNECTOR:%d:%s] EDID invalid.\n",
>> @@ -6770,8 +6766,11 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
>>  		edid = NULL;
>>  	}
>>  
>> -	return _drm_edid_connector_update(connector,
>> -					  drm_edid_legacy_init(&drm_edid, edid));
>> +	drm_edid = drm_edid_legacy_init(&_drm_edid, edid);
>> +
>> +	update_display_info(connector, drm_edid);
>> +
>> +	return _drm_edid_connector_add_modes(connector, drm_edid);
>>  }
>>  EXPORT_SYMBOL(drm_add_edid_modes);
>>  
>> -- 
>> 2.34.1

-- 
Jani Nikula, Intel Open Source Graphics Center




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