UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/edid: build ELD in drm_add_edid_modes() 

Call drm_edid_to_eld() from drm_add_edid_modes() to fill in the ELD
automatically. There's no harm in doing this for connectors that do not
support audio.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/551b2e1cf19be04c510e7865d7539cfc2f54ea89.1509545641.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2017-11-01 16:21:01 +02:00
parent 42750d39ad
commit c945b8c14b
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/drm_edid.c
View File

@ -4612,8 +4612,8 @@ static int add_displayid_detailed_modes(struct drm_connector *connector,
* @edid: EDID data
*
* Add the specified modes to the connector's mode list. Also fills out the
* &drm_display_info structure in @connector with any information which can be
* derived from the edid.
* &drm_display_info structure and ELD in @connector with any information which
* can be derived from the edid.
*
* Return: The number of modes added or 0 if we couldn't find any.
*/
@ -4623,9 +4623,11 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
u32 quirks;
if (edid == NULL) {
clear_eld(connector);
return 0;
}
if (!drm_edid_is_valid(edid)) {
clear_eld(connector);
dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
connector->name);
return 0;
@ -4633,6 +4635,8 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
quirks = edid_get_quirks(edid);
drm_edid_to_eld(connector, 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