From: Aditya Pakki pakki001@umn.edu

[ Upstream commit 6f2e8acdb48ed166b65d47837c31b177460491ec ]

On calling pm_runtime_get_sync() the reference count of the device is incremented. In case of failure, decrement the reference count before returning the error.

Signed-off-by: Aditya Pakki pakki001@umn.edu Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/radeon/radeon_connectors.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index bebcef2ce6b88..a9f1d99bb6f99 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -886,8 +886,10 @@ radeon_lvds_detect(struct drm_connector *connector, bool force)

if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } }

if (encoder) { @@ -1021,8 +1023,10 @@ radeon_vga_detect(struct drm_connector *connector, bool force)

if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } }

encoder = radeon_best_single_encoder(connector); @@ -1158,8 +1162,10 @@ radeon_tv_detect(struct drm_connector *connector, bool force)

if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } }

encoder = radeon_best_single_encoder(connector); @@ -1241,8 +1247,10 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)

if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } }

if (radeon_connector->detected_hpd_without_ddc) { @@ -1681,8 +1689,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force)

if (!drm_kms_helper_is_poll_worker()) { r = pm_runtime_get_sync(connector->dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(connector->dev->dev); return connector_status_disconnected; + } }

if (!force && radeon_check_hpd_status_unchanged(connector)) {