[RFC 24/34] drm/xe: Remove useless mem_access protection for query ioctls
Matthew Auld
matthew.auld at intel.com
Mon Feb 5 12:43:03 UTC 2024
On 26/01/2024 20:30, Rodrigo Vivi wrote:
> Every IOCTL is already protected on its outer bounds by
> xe_pm_runtime_{get,put} calls, so we can now remove
> these.
>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Should this be squashed?
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
> ---
> drivers/gpu/drm/xe/xe_query.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
> index 9b35673b286c..86222c80a874 100644
> --- a/drivers/gpu/drm/xe/xe_query.c
> +++ b/drivers/gpu/drm/xe/xe_query.c
> @@ -147,7 +147,6 @@ query_engine_cycles(struct xe_device *xe,
> if (!hwe)
> return -EINVAL;
>
> - xe_device_mem_access_get(xe);
> xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
>
> __read_timestamps(gt,
> @@ -159,7 +158,6 @@ query_engine_cycles(struct xe_device *xe,
> cpu_clock);
>
> xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL);
> - xe_device_mem_access_put(xe);
> resp.width = 36;
>
> /* Only write to the output fields of user query */
> @@ -437,9 +435,7 @@ static int query_hwconfig(struct xe_device *xe,
> if (!hwconfig)
> return -ENOMEM;
>
> - xe_device_mem_access_get(xe);
> xe_guc_hwconfig_copy(>->uc.guc, hwconfig);
> - xe_device_mem_access_put(xe);
>
> if (copy_to_user(query_ptr, hwconfig, size)) {
> kfree(hwconfig);
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