From 7218779efc46cdb48c1b9f959ea5cbb06333192f Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Thu, 24 Aug 2023 16:46:02 +0300 Subject: drm/edid: add drm_edid_is_digital() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Ville Syrjälä Acked-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/4bdb407bf189fd922be022eb2f9564692377c81d.1692884619.git.jani.nikula@intel.com --- drivers/gpu/drm/drm_edid.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/drm_edid.c') diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index f95152fac427..307a414733a4 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -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); -- cgit