drm/amdgpu: add VCN4 ip block support

Add VCN 4.0.5 initialization and decoder/encoder ring functions.

v2 - update license year (Leo Liu)

Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -206,6 +206,7 @@ amdgpu-y += \
 	vcn_v3_0.o \
 	vcn_v4_0.o \
 	vcn_v4_0_3.o \
+	vcn_v4_0_5.o \
 	amdgpu_jpeg.o \
 	jpeg_v1_0.o \
 	jpeg_v2_0.o \

drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.h

@@ -0,0 +1,35 @@
+/*
+ * 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 __VCN_V4_0_5_H__
+#define __VCN_V4_0_5_H__
+
+enum amdgpu_vcn_v4_0_5_sub_block {
+	AMDGPU_VCN_V4_0_5_VCPU_VCODEC = 0,
+
+	AMDGPU_VCN_V4_0_5_MAX_SUB_BLOCK,
+};
+
+extern const struct amdgpu_ip_block_version vcn_v4_0_5_ip_block;
+
+#endif /* __VCN_V4_0_5_H__ */