diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@igalia.com> | 2025-03-07 11:13:59 +0000 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-03-12 20:55:14 -0700 |
| commit | 298661cd9cea55233cf60dee3ef9f736ddd1db7a (patch) | |
| tree | cda39858f48c76861bf72ccd6050018a59adab37 | |
| parent | cedf23842d7433eb32cb782a637bb870fb096a3b (diff) | |
| download | linux-298661cd9cea55233cf60dee3ef9f736ddd1db7a.tar.gz | |
drm/xe: Fix MOCS debugfs LNCF readout
With only XE_FW_GT taken LNCF registers read back as all zeroes, leading
to a wild goose chase trying to figure out why is register programming
incorrect.
Fix it by grabbing XE_FORCEWAKE_ALL for affected platforms.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250307111402.26577-2-tvrtko.ursulin@igalia.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 1182bc74b39ba3d124b544dab22d5672fae54b67)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_mocs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_mocs.c b/drivers/gpu/drm/xe/xe_mocs.c index 54d199b5cfb21a..31dade91a08974 100644 --- a/drivers/gpu/drm/xe/xe_mocs.c +++ b/drivers/gpu/drm/xe/xe_mocs.c @@ -781,7 +781,9 @@ void xe_mocs_dump(struct xe_gt *gt, struct drm_printer *p) flags = get_mocs_settings(xe, &table); xe_pm_runtime_get_noresume(xe); - fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); + fw_ref = xe_force_wake_get(gt_to_fw(gt), + flags & HAS_LNCF_MOCS ? + XE_FORCEWAKE_ALL : XE_FW_GT); if (!fw_ref) goto err_fw; |