[02/10] drm/edid: Clear old dvi_dual/max_tmds_clock before parsing the new EDID
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Message ID 1475070703-6435-3-git-send-email-ville.syrjala@linux.intel.com
State New
Headers show

Commit Message

Ville Syrjälä Sept. 28, 2016, 1:51 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Clear out old max_tmds_clock and dvi_dual information (possibly from a
previous EDID) before parsing the current EDID. Tne current EDID might
not even have these in its HDMI VSDB, which would mean that we'd leave
the old stale values in place.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/drm_edid.c | 3 +++
 1 file changed, 3 insertions(+)

Patch
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diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 065896add86e..d0166cc990cb 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3365,6 +3365,9 @@  void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
 	connector->video_latency[1] = 0;
 	connector->audio_latency[1] = 0;
 
+	connector->max_tmds_clock = 0;
+	connector->dvi_dual = false;
+
 	cea = drm_find_cea_extension(edid);
 	if (!cea) {
 		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");