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drm/xe: Detect GT workqueue allocation failure

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The allocation of the per-GT workqueue may fail and we shouldn't
ignore that.  While around use drm managed allocation function
to drop our custom fini action.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20251001144051.202040-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2025-10-01 16:40:51 +02:00
parent b56bc81078
commit 846a81abbe
1 changed files with 5 additions and 15 deletions
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20
drivers/gpu/drm/xe/xe_gt.c
View File

@ -65,29 +65,19 @@
#include "xe_wa.h"
#include "xe_wopcm.h"
static void gt_fini(struct drm_device *drm, void *arg)
{
struct xe_gt *gt = arg;
destroy_workqueue(gt->ordered_wq);
}
struct xe_gt *xe_gt_alloc(struct xe_tile *tile)
{
struct drm_device *drm = &tile_to_xe(tile)->drm;
struct xe_gt *gt;
int err;
gt = drmm_kzalloc(&tile_to_xe(tile)->drm, sizeof(*gt), GFP_KERNEL);
gt = drmm_kzalloc(drm, sizeof(*gt), GFP_KERNEL);
if (!gt)
return ERR_PTR(-ENOMEM);
gt->tile = tile;
gt->ordered_wq = alloc_ordered_workqueue("gt-ordered-wq",
WQ_MEM_RECLAIM);
err = drmm_add_action_or_reset(&gt_to_xe(gt)->drm, gt_fini, gt);
if (err)
return ERR_PTR(err);
gt->ordered_wq = drmm_alloc_ordered_workqueue(drm, "gt-ordered-wq", WQ_MEM_RECLAIM);
if (IS_ERR(gt->ordered_wq))
return ERR_CAST(gt->ordered_wq);
return gt;
}