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drm/xe: Use q->xef for accessing xe file

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No need to traverse through the vm object as each exec queue maintains a
reference to xe_file. Also improve/simplify the comment on why xef is
checked.

Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241218053122.2730195-2-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Lucas De Marchi 2024-12-17 21:31:22 -08:00
parent 4ca1fd4183
commit 2054d38ccf
1 changed files with 4 additions and 8 deletions
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12
drivers/gpu/drm/xe/xe_exec_queue.c
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@ -770,25 +770,21 @@ bool xe_exec_queue_is_idle(struct xe_exec_queue *q)
void xe_exec_queue_update_run_ticks(struct xe_exec_queue *q)
{
struct xe_device *xe = gt_to_xe(q->gt);
struct xe_file *xef;
struct xe_lrc *lrc;
u32 old_ts, new_ts;
int idx;
/*
* Jobs that are run during driver load may use an exec_queue, but are
* not associated with a user xe file, so avoid accumulating busyness
* for kernel specific work.
* Jobs that are executed by kernel doesn't have a corresponding xe_file
* and thus are not accounted.
*/
if (!q->vm || !q->vm->xef)
if (!q->xef)
return;
/* Synchronize with unbind while holding the xe file open */
if (!drm_dev_enter(&xe->drm, &idx))
return;
xef = q->vm->xef;
/*
* Only sample the first LRC. For parallel submission, all of them are
* scheduled together and we compensate that below by multiplying by
@ -799,7 +795,7 @@ void xe_exec_queue_update_run_ticks(struct xe_exec_queue *q)
*/
lrc = q->lrc[0];
new_ts = xe_lrc_update_timestamp(lrc, &old_ts);
xef->run_ticks[q->class] += (new_ts - old_ts) * q->width;
q->xef->run_ticks[q->class] += (new_ts - old_ts) * q->width;
drm_dev_exit(idx);
}