The bool variable detected_hpd_without_ddc in struct radeon_connector is uninitialized when first used, that may cause unnecessary ddc ops. Make it as false when a new connector is alloced.
Signed-off-by: Zhiwei Yang yangzhiwei@uniontech.com --- drivers/gpu/drm/radeon/radeon_connectors.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index fe12d9d91d7a..c1987a66373f 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1866,6 +1866,7 @@ radeon_add_atom_connector(struct drm_device *dev, bool shared_ddc = false; bool is_dp_bridge = false; bool has_aux = false; + bool detected_hpd_without_ddc = false;
if (connector_type == DRM_MODE_CONNECTOR_Unknown) return; @@ -1923,6 +1924,7 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->shared_ddc = shared_ddc; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; + radeon_connector->detected_hpd_without_ddc = detected_hpd_without_ddc;
radeon_connector->router = *router; if (router->ddc_valid || router->cd_valid) { @@ -2384,6 +2386,7 @@ radeon_add_legacy_connector(struct drm_device *dev, struct radeon_connector *radeon_connector; struct i2c_adapter *ddc = NULL; uint32_t subpixel_order = SubPixelNone; + bool detected_hpd_without_ddc = false;
if (connector_type == DRM_MODE_CONNECTOR_Unknown) return; @@ -2414,6 +2417,7 @@ radeon_add_legacy_connector(struct drm_device *dev, radeon_connector->devices = supported_device; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; + radeon_connector->detected_hpd_without_ddc = detected_hpd_without_ddc;
switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: