Relocate the xe_engine_snapshot_print function from xe_guc_capture.c
into xe_hw_engine.c but split out the GuC-Err-Capture register printing
portion out into a separate helper inside xe_guc_capture.c so that
we can have a clear separation between printing the general engine info
vs GuC-Err-Capture node's register list.

Signed-off-by: Alan Previn <alan.previn.teres.ale...@intel.com>
---
 drivers/gpu/drm/xe/xe_guc_capture.c | 72 +++++++++++++----------------
 drivers/gpu/drm/xe/xe_guc_capture.h |  4 +-
 drivers/gpu/drm/xe/xe_hw_engine.c   | 28 +++++++++++
 drivers/gpu/drm/xe/xe_hw_engine.h   |  1 +
 4 files changed, 62 insertions(+), 43 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_capture.c 
b/drivers/gpu/drm/xe/xe_guc_capture.c
index f118e8dd0ecb..a7278a01f586 100644
--- a/drivers/gpu/drm/xe/xe_guc_capture.c
+++ b/drivers/gpu/drm/xe/xe_guc_capture.c
@@ -1655,22 +1655,16 @@ guc_capture_find_reg(struct gcap_reg_list_info 
*reginfo, u32 addr, u32 flags)
 }
 
 static void
-snapshot_print_by_list_order(struct xe_hw_engine_snapshot *snapshot, struct 
drm_printer *p,
-                            u32 type, const struct __guc_mmio_reg_descr_group 
*list)
+print_noderegs_by_list_order(struct xe_guc *guc, struct gcap_reg_list_info 
*reginfo,
+                            const struct __guc_mmio_reg_descr_group *list, 
struct drm_printer *p)
 {
-       struct xe_gt *gt = snapshot->hwe->gt;
-       struct xe_guc *guc = &gt->uc.guc;
-       struct gcap_reg_list_info *reginfo = NULL;
-       u32 i, last_value = 0;
+       u32 last_value, i;
        bool is_ext, low32_ready = false;
 
        if (!list || !list->list || list->num_regs == 0)
                return;
 
-       XE_WARN_ON(!snapshot->matched_node);
-
        is_ext = list == guc->capture->extlists;
-       reginfo = &snapshot->matched_node->reginfo[type];
 
        /*
         * loop through descriptor first and find the register in the node
@@ -1740,8 +1734,8 @@ snapshot_print_by_list_order(struct xe_hw_engine_snapshot 
*snapshot, struct drm_
 
                                group = FIELD_GET(GUC_REGSET_STEERING_GROUP, 
reg_desc->flags);
                                instance = 
FIELD_GET(GUC_REGSET_STEERING_INSTANCE, reg_desc->flags);
-                               dss = xe_gt_mcr_steering_info_to_dss_id(gt, 
group, instance);
-
+                               dss = 
xe_gt_mcr_steering_info_to_dss_id(guc_to_gt(guc), group,
+                                                                       
instance);
                                drm_printf(p, "\t%s[%u]: 0x%08x\n", 
reg_desc->regname, dss, value);
                        } else {
                                drm_printf(p, "\t%s: 0x%08x\n", 
reg_desc->regname, value);
@@ -1760,13 +1754,18 @@ snapshot_print_by_list_order(struct 
xe_hw_engine_snapshot *snapshot, struct drm_
 }
 
 /**
- * xe_engine_snapshot_print - Print out a given Xe HW Engine snapshot.
- * @snapshot: Xe HW Engine snapshot object.
+ * xe_guc_capture_snapshot_print - Print out a the contents of a provided 
Guc-Err-Capture node
+ * @guc : Target GuC for operation.
+ * @node: GuC Error Capture register dump node.
  * @p: drm_printer where it will be printed out.
  *
- * This function prints out a given Xe HW Engine snapshot object.
+ * This function prints out a register dump of a GuC-Err-Capture node that was 
retrieved
+ * earlier either by GuC-FW reporting or by manual capture depending on how the
+ * caller (typically xe_hw_engine_snapshot) was invoked and used.
  */
-void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct 
drm_printer *p)
+
+void xe_guc_capture_snapshot_print(struct xe_guc *guc, struct 
xe_guc_capture_snapshot *node,
+                                  struct drm_printer *p)
 {
        const char *grptype[GUC_STATE_CAPTURE_GROUP_TYPE_MAX] = {
                "full-capture",
@@ -1774,45 +1773,36 @@ void xe_engine_snapshot_print(struct 
xe_hw_engine_snapshot *snapshot, struct drm
        };
        int type;
        const struct __guc_mmio_reg_descr_group *list;
-       enum guc_capture_list_class_type capture_class;
        struct xe_gt *gt;
 
-       if (!snapshot)
+       if (!guc)
                return;
-
-       gt = snapshot->hwe->gt;
-
-       if (!snapshot->matched_node)
+       gt = guc_to_gt(guc);
+       if (!node) {
+               xe_gt_warn(gt, "GuC Capture printing without node!\n");
                return;
+       }
+       if (!p) {
+               xe_gt_warn(gt, "GuC Capture printing without printer!\n");
+               return;
+       }
 
-       xe_gt_assert(gt, snapshot->hwe);
-
-       capture_class = 
xe_engine_class_to_guc_capture_class(snapshot->hwe->class);
-
-       drm_printf(p, "%s (physical), logical instance=%d\n",
-                  snapshot->name ? snapshot->name : "",
-                  snapshot->logical_instance);
        drm_printf(p, "\tCapture_source: %s\n",
-                  snapshot->matched_node->source == 
XE_ENGINE_CAPTURE_SOURCE_GUC ?
+                  node->source == XE_ENGINE_CAPTURE_SOURCE_GUC ?
                   "GuC" : "Manual");
-       drm_printf(p, "\tCoverage: %s\n", 
grptype[snapshot->matched_node->is_partial]);
-       drm_printf(p, "\tForcewake: domain 0x%x, ref %d\n",
-                  snapshot->forcewake.domain, snapshot->forcewake.ref);
-       drm_printf(p, "\tReserved: %s\n",
-                  str_yes_no(snapshot->kernel_reserved));
+       drm_printf(p, "\tCoverage: %s\n", grptype[node->is_partial]);
 
        for (type = GUC_STATE_CAPTURE_TYPE_GLOBAL; type < 
GUC_STATE_CAPTURE_TYPE_MAX; type++) {
                list = xe_guc_capture_get_reg_desc_list(gt, 
GUC_CAPTURE_LIST_INDEX_PF, type,
-                                                       capture_class, false);
-               snapshot_print_by_list_order(snapshot, p, type, list);
+                                                       node->eng_class, false);
+               print_noderegs_by_list_order(guc, &node->reginfo[type], list, 
p);
        }
 
-       if (capture_class == GUC_CAPTURE_LIST_CLASS_RENDER_COMPUTE) {
+       if (node->eng_class == GUC_CAPTURE_LIST_CLASS_RENDER_COMPUTE) {
+               type = GUC_STATE_CAPTURE_TYPE_ENGINE_CLASS;
                list = xe_guc_capture_get_reg_desc_list(gt, 
GUC_CAPTURE_LIST_INDEX_PF,
-                                                       
GUC_STATE_CAPTURE_TYPE_ENGINE_CLASS,
-                                                       capture_class, true);
-               snapshot_print_by_list_order(snapshot, p, 
GUC_STATE_CAPTURE_TYPE_ENGINE_CLASS,
-                                            list);
+                                                       type, node->eng_class, 
true);
+               print_noderegs_by_list_order(guc, &node->reginfo[type], list, 
p);
        }
 
        drm_puts(p, "\n");
diff --git a/drivers/gpu/drm/xe/xe_guc_capture.h 
b/drivers/gpu/drm/xe/xe_guc_capture.h
index 8ac893c92f19..e67589ab4342 100644
--- a/drivers/gpu/drm/xe/xe_guc_capture.h
+++ b/drivers/gpu/drm/xe/xe_guc_capture.h
@@ -15,7 +15,6 @@
 struct xe_exec_queue;
 struct xe_guc;
 struct xe_hw_engine;
-struct xe_hw_engine_snapshot;
 
 static inline enum guc_capture_list_class_type 
xe_guc_class_to_capture_class(u16 class)
 {
@@ -55,7 +54,8 @@ struct xe_guc_capture_snapshot *
 xe_guc_capture_get_matching_and_lock(struct xe_exec_queue *q,
                                     enum xe_guc_capture_snapshot_source 
srctype);
 void xe_guc_capture_snapshot_store_manual_job(struct xe_guc *guc, struct 
xe_exec_queue *q);
-void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct 
drm_printer *p);
+void xe_guc_capture_snapshot_print(struct xe_guc *guc, struct 
xe_guc_capture_snapshot *node,
+                                  struct drm_printer *p);
 void xe_engine_snapshot_capture_for_queue(struct xe_exec_queue *q);
 void xe_guc_capture_steered_list_init(struct xe_guc *guc);
 void xe_guc_capture_put_matched_nodes(struct xe_guc *guc, struct 
xe_guc_capture_snapshot *n);
diff --git a/drivers/gpu/drm/xe/xe_hw_engine.c 
b/drivers/gpu/drm/xe/xe_hw_engine.c
index 26006d72904f..d615ebab6e42 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine.c
@@ -905,6 +905,34 @@ void xe_hw_engine_snapshot_free(struct 
xe_hw_engine_snapshot *snapshot)
        kfree(snapshot);
 }
 
+/**
+ * xe_engine_snapshot_print - Print out a given Xe HW Engine snapshot.
+ * @snapshot: Xe HW Engine snapshot object.
+ * @p: drm_printer where it will be printed out.
+ *
+ * This function prints out a given Xe HW Engine snapshot object.
+ */
+void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct 
drm_printer *p)
+{
+       struct xe_gt *gt;
+
+       if (!snapshot)
+               return;
+
+       gt = snapshot->hwe->gt;
+
+       drm_printf(p, "%s (physical), logical instance=%d\n",
+                  snapshot->name ? snapshot->name : "",
+                  snapshot->logical_instance);
+       drm_printf(p, "\tForcewake: domain 0x%x, ref %d\n",
+                  snapshot->forcewake.domain, snapshot->forcewake.ref);
+       drm_printf(p, "\tReserved: %s\n",
+                  str_yes_no(snapshot->kernel_reserved));
+       drm_puts(p, "\n");
+
+       xe_guc_capture_snapshot_print(&gt->uc.guc, snapshot->matched_node, p);
+}
+
 /**
  * xe_hw_engine_print - Xe HW Engine Print.
  * @hwe: Hardware Engine.
diff --git a/drivers/gpu/drm/xe/xe_hw_engine.h 
b/drivers/gpu/drm/xe/xe_hw_engine.h
index 6b5f9fa2a594..fac2e9a421d9 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine.h
+++ b/drivers/gpu/drm/xe/xe_hw_engine.h
@@ -58,6 +58,7 @@ u32 xe_hw_engine_mask_per_class(struct xe_gt *gt,
 struct xe_hw_engine_snapshot *
 xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_exec_queue 
*q);
 void xe_hw_engine_snapshot_free(struct xe_hw_engine_snapshot *snapshot);
+void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct 
drm_printer *p);
 void xe_hw_engine_print(struct xe_hw_engine *hwe, struct drm_printer *p);
 void xe_hw_engine_setup_default_lrc_state(struct xe_hw_engine *hwe);
 
-- 
2.34.1

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