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

[Sharma, Shashank]

Regards

Shashank


On 6/27/2017 5:25 PM, Ville Syrjälä wrote:
> 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?
Dint you ask me to move it later (in the previous series comments), for 
git-bisect regression type of changes ?
> Otherwise I think this should be fine so
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Thanks.
>
>> +	/*
>>   	 * 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