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drm/edid: add drm_edid_is_digital()

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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: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/4bdb407bf189fd922be022eb2f9564692377c81d.1692884619.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2023-08-24 16:46:02 +03:00
parent a35239a892
commit 7218779efc
2 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/drm_edid.c
View File

@@ -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);

1
include/drm/drm_edid.h
View File

@@ -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);