drm/amdkfd: add yellow carp KFD support

This patch is to add GFX10 based Yellow Carp KFD support.
We will bypass IOMMU v2.

Signed-off-by: Aaron Liu <[e-mail]>
Reviewed-by: Huang Rui <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdkfd/kfd_crat.c

···
 	},
 };
 
+static struct kfd_gpu_cache_info yellow_carp_cache_info[] = {
+	{
+		/* TCP L1 Cache per CU */
+		.cache_size = 16,
+		.cache_level = 1,
+		.flags = (CRAT_CACHE_FLAGS_ENABLED |
+				CRAT_CACHE_FLAGS_DATA_CACHE |
+				CRAT_CACHE_FLAGS_SIMD_CACHE),
+		.num_cu_shared = 1,
+	},
+	{
+		/* Scalar L1 Instruction Cache per SQC */
+		.cache_size = 32,
+		.cache_level = 1,
+		.flags = (CRAT_CACHE_FLAGS_ENABLED |
+				CRAT_CACHE_FLAGS_INST_CACHE |
+				CRAT_CACHE_FLAGS_SIMD_CACHE),
+		.num_cu_shared = 2,
+	},
+	{
+		/* Scalar L1 Data Cache per SQC */
+		.cache_size = 16,
+		.cache_level = 1,
+		.flags = (CRAT_CACHE_FLAGS_ENABLED |
+				CRAT_CACHE_FLAGS_DATA_CACHE |
+				CRAT_CACHE_FLAGS_SIMD_CACHE),
+		.num_cu_shared = 2,
+	},
+	{
+		/* GL1 Data Cache per SA */
+		.cache_size = 128,
+		.cache_level = 1,
+		.flags = (CRAT_CACHE_FLAGS_ENABLED |
+				CRAT_CACHE_FLAGS_DATA_CACHE |
+				CRAT_CACHE_FLAGS_SIMD_CACHE),
+		.num_cu_shared = 6,
+	},
+	{
+		/* L2 Data Cache per GPU (Total Tex Cache) */
+		.cache_size = 2048,
+		.cache_level = 2,
+		.flags = (CRAT_CACHE_FLAGS_ENABLED |
+				CRAT_CACHE_FLAGS_DATA_CACHE |
+				CRAT_CACHE_FLAGS_SIMD_CACHE),
+		.num_cu_shared = 6,
+	},
+};
+
 static void kfd_populated_cu_info_cpu(struct kfd_topology_device *dev,
 		struct crat_subtype_computeunit *cu)
 {
···
 	case CHIP_BEIGE_GOBY:
 		pcache_info = beige_goby_cache_info;
 		num_of_cache_types = ARRAY_SIZE(beige_goby_cache_info);
+		break;
+	case CHIP_YELLOW_CARP:
+		pcache_info = yellow_carp_cache_info;
+		num_of_cache_types = ARRAY_SIZE(yellow_carp_cache_info);
 		break;
 	default:
 		return -EINVAL;

drivers/gpu/drm/amd/amdkfd/kfd_device.c

···
 	[CHIP_VANGOGH] = &gfx_v10_3_kfd2kgd,
 	[CHIP_DIMGREY_CAVEFISH] = &gfx_v10_3_kfd2kgd,
 	[CHIP_BEIGE_GOBY] = &gfx_v10_3_kfd2kgd,
+	[CHIP_YELLOW_CARP] = &gfx_v10_3_kfd2kgd,
 };
 
 #ifdef KFD_SUPPORT_IOMMU_V2
···
 	.num_sdma_queues_per_engine = 8,
 };
 
+static const struct kfd_device_info yellow_carp_device_info = {
+	.asic_family = CHIP_YELLOW_CARP,
+	.asic_name = "yellow_carp",
+	.max_pasid_bits = 16,
+	.max_no_of_hqd  = 24,
+	.doorbell_size  = 8,
+	.ih_ring_entry_size = 8 * sizeof(uint32_t),
+	.event_interrupt_class = &event_interrupt_class_v9,
+	.num_of_watch_points = 4,
+	.mqd_size_aligned = MQD_SIZE_ALIGNED,
+	.needs_iommu_device = false,
+	.supports_cwsr = true,
+	.needs_pci_atomics = false,
+	.num_sdma_engines = 1,
+	.num_xgmi_sdma_engines = 0,
+	.num_sdma_queues_per_engine = 2,
+};
 
 /* For each entry, [0] is regular and [1] is virtualisation device. */
 static const struct kfd_device_info *kfd_supported_devices[][2] = {
···
 	[CHIP_VANGOGH] = {&vangogh_device_info, NULL},
 	[CHIP_DIMGREY_CAVEFISH] = {&dimgrey_cavefish_device_info, &dimgrey_cavefish_device_info},
 	[CHIP_BEIGE_GOBY] = {&beige_goby_device_info, &beige_goby_device_info},
+	[CHIP_YELLOW_CARP] = {&yellow_carp_device_info, NULL},
 };
 
 static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size,

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

···
 	case CHIP_VANGOGH:
 	case CHIP_DIMGREY_CAVEFISH:
 	case CHIP_BEIGE_GOBY:
+	case CHIP_YELLOW_CARP:
 		device_queue_manager_init_v10_navi10(&dqm->asic_ops);
 		break;
 	default:

drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c

···
 			case CHIP_VANGOGH:
 			case CHIP_DIMGREY_CAVEFISH:
 			case CHIP_BEIGE_GOBY:
+			case CHIP_YELLOW_CARP:
 				kfd_init_apertures_v9(pdd, id);
 				break;
 			default:

drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c

···
 	case CHIP_VANGOGH:
 	case CHIP_DIMGREY_CAVEFISH:
 	case CHIP_BEIGE_GOBY:
+	case CHIP_YELLOW_CARP:
 		pm->pmf = &kfd_v9_pm_funcs;
 		break;
 	case CHIP_ALDEBARAN:

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

···
 	case CHIP_VANGOGH:
 	case CHIP_DIMGREY_CAVEFISH:
 	case CHIP_BEIGE_GOBY:
+	case CHIP_YELLOW_CARP:
 		dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_2_0 <<
 			HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) &
 			HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK);