[Intel-xe] [PATCH v3 6/9] drm/xe/debugfs: Dump active workarounds

[Lucas De Marchi]

Add a "workarounds" node in debugfs that can dump all the active
workarounds using the information recorded by rtp infra when those
workarounds were processed.

Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 drivers/gpu/drm/xe/xe_debugfs.c | 12 ++++++++++++
 drivers/gpu/drm/xe/xe_wa.c      | 18 ++++++++++++++++++
 drivers/gpu/drm/xe/xe_wa.h      |  2 ++
 3 files changed, 32 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c
index 7827a785b020..ad1b1ab49e1d 100644
--- a/drivers/gpu/drm/xe/xe_debugfs.c
+++ b/drivers/gpu/drm/xe/xe_debugfs.c
@@ -13,6 +13,7 @@
 #include "xe_device.h"
 #include "xe_gt_debugfs.h"
 #include "xe_step.h"
+#include "xe_wa.h"
 
 #ifdef CONFIG_DRM_XE_DEBUG
 #include "xe_bo_evict.h"
@@ -60,8 +61,19 @@ static int info(struct seq_file *m, void *data)
 	return 0;
 }
 
+static int workarounds(struct seq_file *m, void *data)
+{
+	struct xe_device *xe = node_to_xe(m->private);
+	struct drm_printer p = drm_seq_file_printer(m);
+
+	xe_wa_dump(xe, &p);
+
+	return 0;
+}
+
 static const struct drm_info_list debugfs_list[] = {
 	{"info", info, 0},
+	{"workarounds", workarounds, 0},
 };
 
 static int forcewake_open(struct inode *inode, struct file *file)
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index fa37b1c0425a..bc2665737836 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -650,3 +650,21 @@ int xe_wa_init(struct xe_device *xe)
 
 	return 0;
 }
+
+void xe_wa_dump(struct xe_device *xe, struct drm_printer *p)
+{
+	size_t idx;
+
+	drm_printf(p, "GT Workarounds\n");
+	for_each_set_bit(idx, xe->wa_active.gt, ARRAY_SIZE(gt_was))
+		drm_printf_indent(p, 1, "%s\n", gt_was[idx].name);
+
+	drm_printf(p, "\nEngine Workarounds\n");
+	for_each_set_bit(idx, xe->wa_active.engine, ARRAY_SIZE(engine_was))
+		drm_printf_indent(p, 1, "%s\n", engine_was[idx].name);
+
+	drm_printf(p, "\nLRC Workarounds\n");
+	for_each_set_bit(idx, xe->wa_active.lrc, ARRAY_SIZE(lrc_was))
+		drm_printf_indent(p, 1, "%s\n", lrc_was[idx].name);
+}
+
diff --git a/drivers/gpu/drm/xe/xe_wa.h b/drivers/gpu/drm/xe/xe_wa.h
index 8edad4f92800..32ab34d9237f 100644
--- a/drivers/gpu/drm/xe/xe_wa.h
+++ b/drivers/gpu/drm/xe/xe_wa.h
@@ -6,6 +6,7 @@
 #ifndef _XE_WA_
 #define _XE_WA_
 
+struct drm_printer;
 struct xe_device;
 struct xe_gt;
 struct xe_hw_engine;
@@ -16,5 +17,6 @@ void xe_wa_process_engine(struct xe_hw_engine *hwe);
 void xe_wa_process_lrc(struct xe_hw_engine *hwe);
 
 void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe);
+void xe_wa_dump(struct xe_device *xe, struct drm_printer *p);
 
 #endif
-- 
2.40.1