drm/amdgpu: add dimgrey_cavefish asic type

Add chip type for dimgrey_cavefish.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -117,6 +117,7 @@ const char *amdgpu_asic_name[] = {
 	"SIENNA_CICHLID",
 	"NAVY_FLOUNDER",
 	"VANGOGH",
+	"DIMGREY_CAVEFISH",
 	"LAST",
 };
 

include/drm/amd_asic_type.h

@@ -57,6 +57,7 @@ enum amd_asic_type {
 	CHIP_SIENNA_CICHLID,	/* 28 */
 	CHIP_NAVY_FLOUNDER,	/* 29 */
 	CHIP_VANGOGH,	/* 30 */
+	CHIP_DIMGREY_CAVEFISH,	/* 31 */
 	CHIP_LAST,
 };