diff options
| author | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-03-23 15:54:57 +0300 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2023-03-24 12:50:26 +0300 |
| commit | 4522ad764d7e99a79de817fcbc682ebcc75d01fe (patch) | |
| tree | 80df813eac9c272432c598e27622c5744ae8df27 /drivers/accel/ivpu/ivpu_drv.h | |
| parent | 1a70ca89d59c7c8af006d29b965a95ede0abb0da (diff) | |
| download | linux-4522ad764d7e99a79de817fcbc682ebcc75d01fe.tar.xz | |
accel/ivpu: Do not access HW registers after unbind
We should not access hardware after we unbind from the bus.
Use drm_dev_enter() / drm_dev_exit() to mark code sections where
hardware is accessed (and not already protected by other locks)
and drm_dev_unplug() to mark device is gone.
Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU")
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323125504.2586442-2-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_drv.h')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index f47b4965db2e..1b2aa05840ad 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -7,6 +7,7 @@ #define __IVPU_DRV_H__ #include <drm/drm_device.h> +#include <drm/drm_drv.h> #include <drm/drm_managed.h> #include <drm/drm_mm.h> #include <drm/drm_print.h> |