drm/amdgpu: add mmhub 3.3.0 support

Add initial implementation for mmhub 3.3.0.

v2: squash in client id fix (Alex)

Signed-off-by: Lang Yu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.h
new file mode 100644
index 000000000000..37b62c7e5a4a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_3.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __MMHUB_V3_3_H__
+#define __MMHUB_V3_3_H__
+
+extern const struct amdgpu_mmhub_funcs mmhub_v3_3_funcs;
+
+#endif