Commit 7218779e authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/edid: add drm_edid_is_digital() 



Checking edid->input & DRM_EDID_INPUT_DIGITAL is common enough to
deserve a helper that also lets us abstract the raw EDID a bit better.

Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/4bdb407bf189fd922be022eb2f9564692377c81d.1692884619.git.jani.nikula@intel.com
parent a35239a8

drivers/gpu/drm/drm_edid.c

+15 −2
Original line number Diff line number Diff line
@@ -3110,7 +3110,7 @@ drm_monitor_supports_rb(const struct drm_edid *drm_edid) 
		return ret;

	}



	return ((drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL) != 0);

	return drm_edid_is_digital(drm_edid);

}



static void
@@ -6532,7 +6532,7 @@ static void update_display_info(struct drm_connector *connector, 
	if (edid->revision < 3)

		goto out;



	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))

	if (!drm_edid_is_digital(drm_edid))

		goto out;



	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
@@ -7348,3 +7348,16 @@ static void _drm_update_tile_info(struct drm_connector *connector, 
		connector->tile_group = NULL;

	}

}



/**

 * drm_edid_is_digital - is digital?

 * @drm_edid: The EDID

 *

 * Return true if input is digital.

 */

bool drm_edid_is_digital(const struct drm_edid *drm_edid)

{

	return drm_edid && drm_edid->edid &&

		drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL;

}

EXPORT_SYMBOL(drm_edid_is_digital);

include/drm/drm_edid.h

+1 −0
Original line number Diff line number Diff line
@@ -618,6 +618,7 @@ const struct drm_edid *drm_edid_read_switcheroo(struct drm_connector *connector, 
int drm_edid_connector_update(struct drm_connector *connector,

			      const struct drm_edid *edid);

int drm_edid_connector_add_modes(struct drm_connector *connector);

bool drm_edid_is_digital(const struct drm_edid *drm_edid);



const u8 *drm_find_edid_extension(const struct drm_edid *drm_edid,

				  int ext_id, int *ext_index);