From: Ville Syrjälä Date: Wed, 28 Sep 2016 13:51:40 +0000 (+0300) Subject: drm/edid: Clear the old cea_rev when there's no CEA extension in the new EDID X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=011acce2859ad50b7a923cad4a726220b5f24455;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/edid: Clear the old cea_rev when there's no CEA extension in the new EDID It's not a good idea to leave stale cea_rev in the drm_display_info. The current EDID might not even have a CEA ext block in which case we'd end up leaving the stale value in place. Signed-off-by: Ville Syrjälä Acked-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1475070703-6435-8-git-send-email-ville.syrjala@linux.intel.com --- diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ef8ae691f7aa..48e529df344e 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3844,6 +3844,7 @@ static void drm_add_display_info(struct drm_connector *connector, /* driver figures it out in this case */ info->bpc = 0; info->color_formats = 0; + info->cea_rev = 0; if (edid->revision < 3) return;