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drm/xe/reg_sr: Use scope-based forcewake

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Use scope-based forcewake to slightly simplify the reg_sr code.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20251118164338.3572146-48-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
This commit is contained in:
Matt Roper 2025-11-18 08:43:58 -08:00
parent 667fc27e81
commit f875dead3e
1 changed files with 5 additions and 12 deletions
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17
drivers/gpu/drm/xe/xe_reg_sr.c
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@ -168,7 +168,6 @@ void xe_reg_sr_apply_mmio(struct xe_reg_sr *sr, struct xe_gt *gt)
{
struct xe_reg_sr_entry *entry;
unsigned long reg;
unsigned int fw_ref;
if (xa_empty(&sr->xa))
return;
@ -178,20 +177,14 @@ void xe_reg_sr_apply_mmio(struct xe_reg_sr *sr, struct xe_gt *gt)
xe_gt_dbg(gt, "Applying %s save-restore MMIOs\n", sr->name);
fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL))
goto err_force_wake;
CLASS(xe_force_wake, fw_ref)(gt_to_fw(gt), XE_FORCEWAKE_ALL);
if (!xe_force_wake_ref_has_domain(fw_ref.domains, XE_FORCEWAKE_ALL)) {
xe_gt_err(gt, "Failed to apply, err=-ETIMEDOUT\n");
return;
}
xa_for_each(&sr->xa, reg, entry)
apply_one_mmio(gt, entry);
xe_force_wake_put(gt_to_fw(gt), fw_ref);
return;
err_force_wake:
xe_force_wake_put(gt_to_fw(gt), fw_ref);
xe_gt_err(gt, "Failed to apply, err=-ETIMEDOUT\n");
}
/**