[PATCH 25/25] drm/amd/display: Clear connector's edid pointer

Harry Wentland harry.wentland at amd.com
Tue May 8 17:10:41 UTC 2018


From: Mikita Lipski <mikita.lipski at amd.com>

Clear connector's edid pointer on coonnector update, when unplugging
the display.

Fix poison EDID when hotplugging on previously used connector.

Signed-off-by: Mikita Lipski <mikita.lipski at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 1a63c04b2016..b80d2134b9ea 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -907,6 +907,7 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
 		drm_mode_connector_update_edid_property(connector, NULL);
 		aconnector->num_modes = 0;
 		aconnector->dc_sink = NULL;
+		aconnector->edid = NULL;
 	}
 
 	mutex_unlock(&dev->mode_config.mutex);
-- 
2.17.0



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