[PATCH 07/10] drm/edid: Clear the old cea_rev when there's no CEA extension in the new EDID

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

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 <ville.syrjala@xxxxxxxxxxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
---
 drivers/gpu/drm/drm_edid.c | 1 +
 1 file changed, 1 insertion(+)

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;
-- 
2.7.4

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