drm/amdgpu: add soc15 support for picasso

Add the IP blocks, clock and powergating flags, and common clockgating support.
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/amdgpu_device.c

@@ -62,6 +62,7 @@
 MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
 MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin");
 MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
+MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin");
 
 #define AMDGPU_RESUME_MS		2000
 
@@ -1335,6 +1336,9 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
 	case CHIP_RAVEN:
 		chip_name = "raven";
 		break;
+	case CHIP_PICASSO:
+		chip_name = "picasso";
+		break;
 	}
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name);
@@ -1460,7 +1464,8 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 	case CHIP_VEGA12:
 	case CHIP_VEGA20:
 	case CHIP_RAVEN:
-		if (adev->asic_type == CHIP_RAVEN)
+	case CHIP_PICASSO:
+		if ((adev->asic_type == CHIP_RAVEN) || (adev->asic_type == CHIP_PICASSO))
 			adev->family = AMDGPU_FAMILY_RV;
 		else
 			adev->family = AMDGPU_FAMILY_AI;

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -486,6 +486,7 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
 	case CHIP_VEGA10:
 	case CHIP_VEGA12:
 	case CHIP_RAVEN:
+	case CHIP_PICASSO:
 		vega10_reg_base_init(adev);
 		break;
 	case CHIP_VEGA20:
@@ -724,6 +725,25 @@ static int soc15_common_early_init(void *handle)
 
 		adev->external_rev_id = 0x1;
 		break;
+	case CHIP_PICASSO:
+		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGLS |
+			AMD_CG_SUPPORT_GFX_CP_LS |
+			AMD_CG_SUPPORT_GFX_3D_CGCG |
+			AMD_CG_SUPPORT_GFX_3D_CGLS |
+			AMD_CG_SUPPORT_GFX_CGCG |
+			AMD_CG_SUPPORT_GFX_CGLS |
+			AMD_CG_SUPPORT_BIF_LS |
+			AMD_CG_SUPPORT_HDP_LS |
+			AMD_CG_SUPPORT_ROM_MGCG |
+			AMD_CG_SUPPORT_MC_MGCG |
+			AMD_CG_SUPPORT_MC_LS |
+			AMD_CG_SUPPORT_SDMA_MGCG |
+			AMD_CG_SUPPORT_SDMA_LS;
+
+		adev->pg_flags = 0;
+
+		adev->external_rev_id = adev->rev_id + 0x41;
+		break;
 	default:
 		/* FIXME: not supported yet */
 		return -EINVAL;
@@ -924,6 +944,7 @@ static int soc15_common_set_clockgating_state(void *handle,
 				state == AMD_CG_STATE_GATE ? true : false);
 		break;
 	case CHIP_RAVEN:
+	case CHIP_PICASSO:
 		adev->nbio_funcs->update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE ? true : false);
 		adev->nbio_funcs->update_medium_grain_light_sleep(adev,