According to the documentation, drm_add_edid_modes "... Also fills out the &drm_display_info structure and ELD in @connector with any information which can be derived from the edid."
drm_add_edid_modes accepts a struct edid *edid parameter which may have a value or may be null. When it is not null, connector->display_info and connector->eld are updated according to the edid. When edid=NULL, only connector->eld is reset. Reset connector->display_info to be consistent and accurate.
Signed-off-by: Claudio Suarez cssk@net-c.es --- drivers/gpu/drm/drm_edid.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 6325877c5fd6..c643db17782c 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -5356,14 +5356,13 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) int num_modes = 0; u32 quirks;
- if (edid == NULL) { - clear_eld(connector); - return 0; - } if (!drm_edid_is_valid(edid)) { + /* edid == NULL or invalid here */ clear_eld(connector); - drm_warn(connector->dev, "%s: EDID invalid.\n", - connector->name); + drm_reset_display_info(connector); + if (edid) + drm_warn(connector->dev, "%s: EDID invalid.\n", + connector->name); return 0; }