drm/amdgpu: add support gfxhub for sienna_cichlid (v3)

GFX10.3 is used for sienna_cichlid.

v2: squash in BANK_SELECT and FRAGMENT_SIZE fixes (Alex)
v3: squash in smallk update (Alex)
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -80,7 +80,7 @@ amdgpu-y += \
 	gmc_v7_0.o \
 	gmc_v8_0.o \
 	gfxhub_v1_0.o mmhub_v1_0.o gmc_v9_0.o gfxhub_v1_1.o mmhub_v9_4.o \
-	gfxhub_v2_0.o mmhub_v2_0.o gmc_v10_0.o
+	gfxhub_v2_0.o mmhub_v2_0.o gmc_v10_0.o gfxhub_v2_1.o
 
 # add UMC block
 amdgpu-y += \

drivers/gpu/drm/amd/amdgpu/gfxhub_v2_1.h

+/*
+ * Copyright 2019 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 __GFXHUB_V2_1_H__
+#define __GFXHUB_V2_1_H__
+
+u64 gfxhub_v2_1_get_fb_location(struct amdgpu_device *adev);
+int gfxhub_v2_1_gart_enable(struct amdgpu_device *adev);
+void gfxhub_v2_1_gart_disable(struct amdgpu_device *adev);
+void gfxhub_v2_1_set_fault_enable_default(struct amdgpu_device *adev,
+					  bool value);
+void gfxhub_v2_1_init(struct amdgpu_device *adev);
+u64 gfxhub_v2_1_get_mc_fb_offset(struct amdgpu_device *adev);
+void gfxhub_v2_1_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
+				uint64_t page_table_base);
+
+#endif