From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Clear out stale audio latency information (potentially from a previous
EDID) before constructing the ELD from the EDID.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/drm_edid.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 50541324a4ab..065896add86e 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3358,6 +3358,13 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
memset(eld, 0, sizeof(connector->eld));
+ connector->latency_present[0] = false;
+ connector->latency_present[1] = false;
+ connector->video_latency[0] = 0;
+ connector->audio_latency[0] = 0;
+ connector->video_latency[1] = 0;
+ connector->audio_latency[1] = 0;
+
cea = drm_find_cea_extension(edid);
if (!cea) {
DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
--
2.7.4
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