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path: root/drivers/gpu/drm/xe/xe_gt_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_debugfs.c')
-rw-r--r--drivers/gpu/drm/xe/xe_gt_debugfs.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_debugfs.c b/drivers/gpu/drm/xe/xe_gt_debugfs.c
index 2d63a69cbfa3..119a55bb7580 100644
--- a/drivers/gpu/drm/xe/xe_gt_debugfs.c
+++ b/drivers/gpu/drm/xe/xe_gt_debugfs.c
@@ -92,22 +92,23 @@ static int hw_engines(struct xe_gt *gt, struct drm_printer *p)
struct xe_hw_engine *hwe;
enum xe_hw_engine_id id;
unsigned int fw_ref;
+ int ret = 0;
xe_pm_runtime_get(xe);
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)) {
- xe_pm_runtime_put(xe);
- xe_force_wake_put(gt_to_fw(gt), fw_ref);
- return -ETIMEDOUT;
+ ret = -ETIMEDOUT;
+ goto fw_put;
}
for_each_hw_engine(hwe, gt, id)
xe_hw_engine_print(hwe, p);
+fw_put:
xe_force_wake_put(gt_to_fw(gt), fw_ref);
xe_pm_runtime_put(xe);
- return 0;
+ return ret;
}
static int powergate_info(struct xe_gt *gt, struct drm_printer *p)
@@ -299,20 +300,20 @@ static int hwconfig(struct xe_gt *gt, struct drm_printer *p)
return 0;
}
-static const struct drm_info_list debugfs_list[] = {
- {"hw_engines", .show = xe_gt_debugfs_simple_show, .data = hw_engines},
+/*
+ * only for GT debugfs files which can be safely used on the VF as well:
+ * - without access to the GT privileged registers
+ * - without access to the PF specific data
+ */
+static const struct drm_info_list vf_safe_debugfs_list[] = {
{"force_reset", .show = xe_gt_debugfs_simple_show, .data = force_reset},
{"force_reset_sync", .show = xe_gt_debugfs_simple_show, .data = force_reset_sync},
{"sa_info", .show = xe_gt_debugfs_simple_show, .data = sa_info},
{"topology", .show = xe_gt_debugfs_simple_show, .data = topology},
- {"steering", .show = xe_gt_debugfs_simple_show, .data = steering},
{"ggtt", .show = xe_gt_debugfs_simple_show, .data = ggtt},
- {"powergate_info", .show = xe_gt_debugfs_simple_show, .data = powergate_info},
{"register-save-restore", .show = xe_gt_debugfs_simple_show, .data = register_save_restore},
{"workarounds", .show = xe_gt_debugfs_simple_show, .data = workarounds},
{"tunings", .show = xe_gt_debugfs_simple_show, .data = tunings},
- {"pat", .show = xe_gt_debugfs_simple_show, .data = pat},
- {"mocs", .show = xe_gt_debugfs_simple_show, .data = mocs},
{"default_lrc_rcs", .show = xe_gt_debugfs_simple_show, .data = rcs_default_lrc},
{"default_lrc_ccs", .show = xe_gt_debugfs_simple_show, .data = ccs_default_lrc},
{"default_lrc_bcs", .show = xe_gt_debugfs_simple_show, .data = bcs_default_lrc},
@@ -322,6 +323,15 @@ static const struct drm_info_list debugfs_list[] = {
{"hwconfig", .show = xe_gt_debugfs_simple_show, .data = hwconfig},
};
+/* everything else should be added here */
+static const struct drm_info_list pf_only_debugfs_list[] = {
+ {"hw_engines", .show = xe_gt_debugfs_simple_show, .data = hw_engines},
+ {"mocs", .show = xe_gt_debugfs_simple_show, .data = mocs},
+ {"pat", .show = xe_gt_debugfs_simple_show, .data = pat},
+ {"powergate_info", .show = xe_gt_debugfs_simple_show, .data = powergate_info},
+ {"steering", .show = xe_gt_debugfs_simple_show, .data = steering},
+};
+
void xe_gt_debugfs_register(struct xe_gt *gt)
{
struct xe_device *xe = gt_to_xe(gt);
@@ -345,10 +355,15 @@ void xe_gt_debugfs_register(struct xe_gt *gt)
*/
root->d_inode->i_private = gt;
- drm_debugfs_create_files(debugfs_list,
- ARRAY_SIZE(debugfs_list),
+ drm_debugfs_create_files(vf_safe_debugfs_list,
+ ARRAY_SIZE(vf_safe_debugfs_list),
root, minor);
+ if (!IS_SRIOV_VF(xe))
+ drm_debugfs_create_files(pf_only_debugfs_list,
+ ARRAY_SIZE(pf_only_debugfs_list),
+ root, minor);
+
xe_uc_debugfs_register(&gt->uc, root);
if (IS_SRIOV_PF(xe))