From: Aditya Pakki pakki001@umn.edu
[ Upstream commit 9fb10671011143d15b6b40d6d5fa9c52c57e9d63 ]
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.
Acked-by: Evan Quan evan.quan@amd.com 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_display.c | 4 +++- drivers/gpu/drm/radeon/radeon_drv.c | 4 +++- drivers/gpu/drm/radeon/radeon_kms.c | 4 +++- 3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 4572bfba017c5..17c73b8c90e71 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -660,8 +660,10 @@ radeon_crtc_set_config(struct drm_mode_set *set) dev = set->crtc->dev;
ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_autosuspend(dev->dev); return ret; + }
ret = drm_crtc_helper_set_config(set);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 5b6a6f5b3619e..401403a3ea50c 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -527,8 +527,10 @@ long radeon_drm_ioctl(struct file *filp, long ret; dev = file_priv->minor->dev; ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_autosuspend(dev->dev); return ret; + }
ret = drm_ioctl(filp, cmd, arg); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index d290a8a09036e..41caf7da90548 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -631,8 +631,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) file_priv->driver_priv = NULL;
r = pm_runtime_get_sync(dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(dev->dev); return r; + }
/* new gpu have virtual address space support */ if (rdev->family >= CHIP_CAYMAN) {