diff options
| author | Takashi Iwai <tiwai@suse.de> | 2022-08-04 09:58:24 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-08-10 10:06:58 +0200 |
| commit | 0f7dc324b2e9e55db9323302f944fd952dbed967 (patch) | |
| tree | 5d24d391d31323f20b1c90751ca639ce7dfe5011 /drivers/gpu/drm/udl/udl_drv.h | |
| parent | acd45c56790a3b558b0b0081678a20b0a0d89b0f (diff) | |
drm/udl: Sync pending URBs at suspend / disconnect
We need to wait for finishing to process the all URBs after disabling
the pipe; otherwise pending URBs may stray at suspend/resume, leading
to a possible memory corruption in a worst case.
Tested-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220804075826.27036-3-tiwai@suse.de
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.h')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index e008686ec738..f01e50c5b7b7 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -83,6 +83,7 @@ static inline struct urb *udl_get_urb(struct drm_device *dev) } int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len); +int udl_sync_pending_urbs(struct drm_device *dev); void udl_urb_completion(struct urb *urb); int udl_init(struct udl_device *udl); |