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authorVille Syrjälä2016-09-28 15:51:34 +0200
committerDaniel Vetter2016-10-04 08:23:08 +0200
commit85c91580555ac610b266260bc7866c51bdc4d205 (patch)
treee18261dcb5d658c23c8dbc594128feb1a5551528 /drivers/gpu/drm/drm_edid.c
parentdrm: Convert prime dma-buf <-> handle to rbtree (diff)
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drm/edid: Clear old audio latency values before parsing the new EDID
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@linux.intel.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1475070703-6435-2-git-send-email-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c7
1 files changed, 7 insertions, 0 deletions
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");