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drm/xe/pf: Prefer guard(mutex) when doing fair LMEM provisioning

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We will add more code there and with guard() it will easier to
avoid mistakes in unlocking.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patch.msgid.link/20260218205553.3561-9-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-02-18 21:55:50 +01:00
parent 62acbb1dd5
commit 67a716b693
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
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@ -1945,10 +1945,9 @@ int xe_gt_sriov_pf_config_set_fair_lmem(struct xe_gt *gt, unsigned int vfid,
if (!xe_device_has_lmtt(gt_to_xe(gt)))
return 0;
mutex_lock(xe_gt_sriov_pf_master_mutex(gt));
fair = pf_estimate_fair_lmem(gt, num_vfs);
mutex_unlock(xe_gt_sriov_pf_master_mutex(gt));
guard(mutex)(xe_gt_sriov_pf_master_mutex(gt));
fair = pf_estimate_fair_lmem(gt, num_vfs);
if (!fair)
return -ENOSPC;
@ -1958,7 +1957,7 @@ int xe_gt_sriov_pf_config_set_fair_lmem(struct xe_gt *gt, unsigned int vfid,
xe_gt_sriov_info(gt, "Using non-profile provisioning (%s %llu vs %llu)\n",
"VRAM", fair, profile);
return xe_gt_sriov_pf_config_bulk_set_lmem(gt, vfid, num_vfs, fair);
return xe_gt_sriov_pf_config_bulk_set_lmem_locked(gt, vfid, num_vfs, fair);
}
/**