1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 944b99b07dcb..efe8516ac6d0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -34,6 +34,7 @@
 #include "dc/inc/hw/dmcu.h"
 #include "dc/inc/hw/abm.h"
 #include "dc/dc_dmub_srv.h"
+#include "amdgpu_dm_trace.h"
 
 #include "vid.h"
 #include "amdgpu.h"
@@ -9243,3 +9244,41 @@ void amdgpu_dm_trigger_timing_sync(struct drm_device *dev)
 	}
 	mutex_unlock(&adev->dm.dc_lock);
 }
+
+void dm_write_reg_func(const struct dc_context *ctx, uint32_t address,
+		       uint32_t value, const char *func_name)
+{
+#ifdef DM_CHECK_ADDR_0
+	if (address == 0) {
+		DC_ERR("invalid register write. address = 0");
+		return;
+	}
+#endif
+	cgs_write_register(ctx->cgs_device, address, value);
+	trace_amdgpu_dc_wreg(&ctx->perf_trace->write_count, address, value);
+}
+
+uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address,
+			  const char *func_name)
+{
+	uint32_t value;
+#ifdef DM_CHECK_ADDR_0
+	if (address == 0) {
+		DC_ERR("invalid register read; address = 0\n");
+		return 0;
+	}
+#endif
+
+	if (ctx->dmub_srv &&
+	    ctx->dmub_srv->reg_helper_offload.gather_in_progress &&
+	    !ctx->dmub_srv->reg_helper_offload.should_burst_write) {
+		ASSERT(false);
+		return 0;
+	}
+
+	value = cgs_read_register(ctx->cgs_device, address);
+
+	trace_amdgpu_dc_rreg(&ctx->perf_trace->read_count, address, value);
+
+	return value;
+}