4.17-stable review patch. If anyone has any objections, please let me know.
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From: Mikita Lipski mikita.lipski@amd.com
commit 5326c4525d1b2d5f1519268dd305e19c9bd4ef56 upstream.
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@amd.com Reviewed-by: Harry Wentland Harry.Wentland@amd.com Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -928,6 +928,7 @@ amdgpu_dm_update_connector_after_detect( 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);