drm/amdgpu: add picasso support for sdma_v4

Add sdma support to picasso
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -48,6 +48,7 @@ MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin");
 MODULE_FIRMWARE("amdgpu/vega20_sdma.bin");
 MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin");
 MODULE_FIRMWARE("amdgpu/raven_sdma.bin");
+MODULE_FIRMWARE("amdgpu/picasso_sdma.bin");
 
 #define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK  0x000000F8L
 #define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L
@@ -221,6 +222,7 @@ static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
 						ARRAY_SIZE(golden_settings_sdma1_4_2));
 		break;
 	case CHIP_RAVEN:
+	case CHIP_PICASSO:
 		soc15_program_register_sequence(adev,
 						 golden_settings_sdma_4_1,
 						 ARRAY_SIZE(golden_settings_sdma_4_1));
@@ -269,6 +271,9 @@ static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
 	case CHIP_RAVEN:
 		chip_name = "raven";
 		break;
+	case CHIP_PICASSO:
+		chip_name = "picasso";
+		break;
 	default:
 		BUG();
 	}
@@ -849,6 +854,7 @@ static void sdma_v4_0_init_pg(struct amdgpu_device *adev)
 
 	switch (adev->asic_type) {
 	case CHIP_RAVEN:
+	case CHIP_PICASSO:
 		sdma_v4_1_init_power_gating(adev);
 		sdma_v4_1_update_power_gating(adev, true);
 		break;
@@ -1256,7 +1262,7 @@ static int sdma_v4_0_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	if (adev->asic_type == CHIP_RAVEN)
+	if (adev->asic_type == CHIP_RAVEN || adev->asic_type == CHIP_PICASSO)
 		adev->sdma.num_instances = 1;
 	else
 		adev->sdma.num_instances = 2;
@@ -1599,6 +1605,7 @@ static int sdma_v4_0_set_clockgating_state(void *handle,
 	case CHIP_VEGA12:
 	case CHIP_VEGA20:
 	case CHIP_RAVEN:
+	case CHIP_PICASSO:
 		sdma_v4_0_update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE ? true : false);
 		sdma_v4_0_update_medium_grain_light_sleep(adev,
@@ -1617,6 +1624,7 @@ static int sdma_v4_0_set_powergating_state(void *handle,
 
 	switch (adev->asic_type) {
 	case CHIP_RAVEN:
+	case CHIP_PICASSO:
 		sdma_v4_1_update_power_gating(adev,
 				state == AMD_PG_STATE_GATE ? true : false);
 		break;