drm/amdgpu: add sdma v4_4 ras function

sdma ras function is the main structure to support
sdma ras on aldebaran. the patch initializes late_init
late_fini callbacks.

Signed-off-by: Hawking Zhang <[e-mail]>
Reviewed-by: Dennis Li<[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/Makefile

···
 	sdma_v2_4.o \
 	sdma_v3_0.o \
 	sdma_v4_0.o \
+	sdma_v4_4.o \
 	sdma_v5_0.o \
 	sdma_v5_2.o
 

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

···
 #include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
 
 #include "amdgpu_ras.h"
+#include "sdma_v4_4.h"
 
 MODULE_FIRMWARE("amdgpu/vega10_sdma.bin");
 MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin");
···
 	case CHIP_VEGA20:
 	case CHIP_ARCTURUS:
 		adev->sdma.funcs = &sdma_v4_0_ras_funcs;
+		break;
+	case CHIP_ALDEBARAN:
+		adev->sdma.funcs = &sdma_v4_4_ras_funcs;
 		break;
 	default:
 		break;

drivers/gpu/drm/amd/amdgpu/sdma_v4_4.c

···
+/*
+ * Copyright 2020 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.
+ *
+ */
+#include "amdgpu.h"
+
+const struct amdgpu_sdma_ras_funcs sdma_v4_4_ras_funcs = {
+	.ras_late_init = amdgpu_sdma_ras_late_init,
+	.ras_fini = amdgpu_sdma_ras_fini,
+};

drivers/gpu/drm/amd/amdgpu/sdma_v4_4.h

···
+/*
+ * Copyright 2020 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 __SDMA_V4_4_H__
+#define __SDMA_V4_4_H__
+
+extern const struct amdgpu_sdma_ras_funcs sdma_v4_4_ras_funcs;
+
+#endif