drm/amdgpu/trace: Add tracepoints to MMIO read/writes

Add tracepoints to the MMIO read/write so we can log
MMIO traffic.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 26a5f4acf584..38e56890043c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -11,6 +11,44 @@
 #define TRACE_SYSTEM amdgpu
 #define TRACE_INCLUDE_FILE amdgpu_trace
 
+TRACE_EVENT(amdgpu_mm_rreg,
+            TP_PROTO(unsigned did, uint32_t reg, uint32_t value),
+            TP_ARGS(did, reg, value),
+            TP_STRUCT__entry(
+                                __field(unsigned, did)
+                                __field(uint32_t, reg)
+                                __field(uint32_t, value)
+                            ),
+            TP_fast_assign(
+                           __entry->did = did;
+                           __entry->reg = reg;
+                           __entry->value = value;
+                           ),
+            TP_printk("0x%04lx, 0x%04lx, 0x%08lx",
+                      (unsigned long)__entry->did,
+                      (unsigned long)__entry->reg,
+                      (unsigned long)__entry->value)
+);
+
+TRACE_EVENT(amdgpu_mm_wreg,
+            TP_PROTO(unsigned did, uint32_t reg, uint32_t value),
+            TP_ARGS(did, reg, value),
+            TP_STRUCT__entry(
+                                __field(unsigned, did)
+                                __field(uint32_t, reg)
+                                __field(uint32_t, value)
+                            ),
+            TP_fast_assign(
+                           __entry->did = did;
+                           __entry->reg = reg;
+                           __entry->value = value;
+                           ),
+            TP_printk("0x%04lx, 0x%04lx, 0x%08lx",
+                      (unsigned long)__entry->did,
+                      (unsigned long)__entry->reg,
+                      (unsigned long)__entry->value)
+);
+
 TRACE_EVENT(amdgpu_bo_create,
             TP_PROTO(struct amdgpu_bo *bo),
             TP_ARGS(bo),