diff options
Diffstat (limited to 'drivers/gpu/drm/imagination/pvr_device.h')
| -rw-r--r-- | drivers/gpu/drm/imagination/pvr_device.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/imagination/pvr_device.h b/drivers/gpu/drm/imagination/pvr_device.h index e07655fc65e8..2ca7e535799f 100644 --- a/drivers/gpu/drm/imagination/pvr_device.h +++ b/drivers/gpu/drm/imagination/pvr_device.h @@ -203,17 +203,29 @@ struct pvr_device { struct mutex lock; } queues; + /** + * @watchdog: Watchdog for communications with firmware. + */ struct { /** @work: Work item for watchdog callback. */ struct delayed_work work; - /** @old_kccb_cmds_executed: KCCB command execution count at last watchdog poll. */ + /** + * @old_kccb_cmds_executed: KCCB command execution count at last + * watchdog poll. + */ u32 old_kccb_cmds_executed; - /** @kccb_stall_count: Number of watchdog polls KCCB has been stalled for. */ + /** + * @kccb_stall_count: Number of watchdog polls KCCB has been + * stalled for. + */ u32 kccb_stall_count; } watchdog; + /** + * @kccb: Circular buffer for communications with firmware. + */ struct { /** @ccb: Kernel CCB. */ struct pvr_ccb ccb; @@ -225,8 +237,8 @@ struct pvr_device { struct pvr_fw_object *rtn_obj; /** - * @rtn: Pointer to CPU mapping of KCCB return slots. Must be accessed by - * READ_ONCE()/WRITE_ONCE(). + * @rtn: Pointer to CPU mapping of KCCB return slots. Must be + * accessed by READ_ONCE()/WRITE_ONCE(). */ u32 *rtn; @@ -293,14 +305,13 @@ struct pvr_file { /** * @pvr_dev: A reference to the powervr-specific wrapper for the - * associated device. Saves on repeated calls to - * to_pvr_device(). + * associated device. Saves on repeated calls to to_pvr_device(). */ struct pvr_device *pvr_dev; /** * @ctx_handles: Array of contexts belonging to this file. Array members - * are of type "struct pvr_context *". + * are of type "struct pvr_context *". * * This array is used to allocate handles returned to userspace. */ |