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drm/xe/mocs: Check if all domains awake

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Check if all domains are awake specially for
LNCF regs

Fixes: 1182bc74b3 ("drm/xe: Fix MOCS debugfs LNCF readout")
Improvements-suggested-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250506142300.1865783-1-tejas.upadhyay@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
This commit is contained in:
Tejas Upadhyay
2025-05-06 19:53:00 +05:30
parent 921ddb37d8
commit a383cf218e
1 changed files with 6 additions and 5 deletions
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drivers/gpu/drm/xe/xe_mocs.c
+6 -5
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@@ -775,22 +775,23 @@ void xe_mocs_init(struct xe_gt *gt)
void xe_mocs_dump(struct xe_gt *gt, struct drm_printer *p)
{
struct xe_device *xe = gt_to_xe(gt);
enum xe_force_wake_domains domain;
struct xe_mocs_info table;
unsigned int fw_ref, flags;
flags = get_mocs_settings(xe, &table);
domain = flags & HAS_LNCF_MOCS ? XE_FORCEWAKE_ALL : XE_FW_GT;
xe_pm_runtime_get_noresume(xe);
fw_ref = xe_force_wake_get(gt_to_fw(gt),
flags & HAS_LNCF_MOCS ?
XE_FORCEWAKE_ALL : XE_FW_GT);
if (!fw_ref)
fw_ref = xe_force_wake_get(gt_to_fw(gt), domain);
if (!xe_force_wake_ref_has_domain(fw_ref, domain))
goto err_fw;
table.ops->dump(&table, flags, gt, p);
xe_force_wake_put(gt_to_fw(gt), fw_ref);
err_fw:
xe_force_wake_put(gt_to_fw(gt), fw_ref);
xe_pm_runtime_put(xe);
}