drm/amdgpu: add sdma ip block for dimgrey_cavefish

Enable sdma block for dimgrey_cavefish, same as sienna_cichlid.
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/nv.c

@@ -631,6 +631,7 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
 		amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 		amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
+		amdgpu_device_ip_block_add(adev, &sdma_v5_2_ip_block);
 		break;
 	default:
 		return -EINVAL;

drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c

@@ -46,6 +46,7 @@
 
 MODULE_FIRMWARE("amdgpu/sienna_cichlid_sdma.bin");
 MODULE_FIRMWARE("amdgpu/navy_flounder_sdma.bin");
+MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sdma.bin");
 
 MODULE_FIRMWARE("amdgpu/vangogh_sdma.bin");
 
@@ -90,6 +91,7 @@ static void sdma_v5_2_init_golden_registers(struct amdgpu_device *adev)
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
 	case CHIP_VANGOGH:
+	case CHIP_DIMGREY_CAVEFISH:
 		break;
 	default:
 		break;
@@ -166,6 +168,9 @@ static int sdma_v5_2_init_microcode(struct amdgpu_device *adev)
 	case CHIP_VANGOGH:
 		chip_name = "vangogh";
 		break;
+	case CHIP_DIMGREY_CAVEFISH:
+		chip_name = "dimgrey_cavefish";
+		break;
 	default:
 		BUG();
 	}
@@ -181,8 +186,8 @@ static int sdma_v5_2_init_microcode(struct amdgpu_device *adev)
 		goto out;
 
 	for (i = 1; i < adev->sdma.num_instances; i++) {
-		if (adev->asic_type == CHIP_SIENNA_CICHLID ||
-		    adev->asic_type == CHIP_NAVY_FLOUNDER) {
+		if (adev->asic_type >= CHIP_SIENNA_CICHLID &&
+		    adev->asic_type <= CHIP_DIMGREY_CAVEFISH) {
 			memcpy((void*)&adev->sdma.instance[i],
 			       (void*)&adev->sdma.instance[0],
 			       sizeof(struct amdgpu_sdma_instance));
@@ -1175,6 +1180,7 @@ static int sdma_v5_2_early_init(void *handle)
 		adev->sdma.num_instances = 4;
 		break;
 	case CHIP_NAVY_FLOUNDER:
+	case CHIP_DIMGREY_CAVEFISH:
 		adev->sdma.num_instances = 2;
 		break;
 	case CHIP_VANGOGH:
@@ -1577,6 +1583,7 @@ static int sdma_v5_2_set_clockgating_state(void *handle,
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
 	case CHIP_VANGOGH:
+	case CHIP_DIMGREY_CAVEFISH:
 		sdma_v5_2_update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE ? true : false);
 		sdma_v5_2_update_medium_grain_light_sleep(adev,