Commit 57b34cba authored by Tejas Upadhyay's avatar Tejas Upadhyay Committed by Lucas De Marchi
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drm/xe/mocs: Check if all domains awake 



Check if all domains are awake specially for
LNCF regs

Fixes: 298661cd ("drm/xe: Fix MOCS debugfs LNCF readout")
Improvements-suggested-by: default avatarHimal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: default avatarBadal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250506142300.1865783-1-tejas.upadhyay@intel.com


Signed-off-by: default avatarTejas Upadhyay <tejas.upadhyay@intel.com>
(cherry picked from commit a383cf21)
Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent a5806cd5

drivers/gpu/drm/xe/xe_mocs.c

+6 −5
Original line number Diff line number Diff line
@@ -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);

}