drm/amdkfd: Support dimgrey_cavefish KFD (v2)

Add KFD support for dimgrey cavefish.

v2: rebase (Alex)
Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -681,6 +681,7 @@ static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev,
 	case CHIP_NAVI14:
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
+	case CHIP_DIMGREY_CAVEFISH:
 		pcache_info = navi10_cache_info;
 		num_of_cache_types = ARRAY_SIZE(navi10_cache_info);
 		break;

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

@@ -517,6 +517,25 @@ static const struct kfd_device_info vangogh_device_info = {
 	.num_sdma_queues_per_engine = 2,
 };
 
+static const struct kfd_device_info dimgrey_cavefish_device_info = {
+	.asic_family = CHIP_DIMGREY_CAVEFISH,
+	.asic_name = "dimgrey_cavefish",
+	.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 = 2,
+	.num_xgmi_sdma_engines = 0,
+	.num_sdma_queues_per_engine = 8,
+};
+
+
 /* For each entry, [0] is regular and [1] is virtualisation device. */
 static const struct kfd_device_info *kfd_supported_devices[][2] = {
 #ifdef KFD_SUPPORT_IOMMU_V2
@@ -542,6 +561,7 @@ static const struct kfd_device_info *kfd_supported_devices[][2] = {
 	[CHIP_SIENNA_CICHLID] = {&sienna_cichlid_device_info, &sienna_cichlid_device_info},
 	[CHIP_NAVY_FLOUNDER] = {&navy_flounder_device_info, &navy_flounder_device_info},
 	[CHIP_VANGOGH] = {&vangogh_device_info, NULL},
+	[CHIP_DIMGREY_CAVEFISH] = {&dimgrey_cavefish_device_info, &dimgrey_cavefish_device_info},
 };
 
 static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size,

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

@@ -1926,6 +1926,7 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev)
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
 	case CHIP_VANGOGH:
+	case CHIP_DIMGREY_CAVEFISH:
 		device_queue_manager_init_v10_navi10(&dqm->asic_ops);
 		break;
 	default:

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

@@ -418,6 +418,7 @@ int kfd_init_apertures(struct kfd_process *process)
 			case CHIP_SIENNA_CICHLID:
 			case CHIP_NAVY_FLOUNDER:
 			case CHIP_VANGOGH:
+			case CHIP_DIMGREY_CAVEFISH:
 				kfd_init_apertures_v9(pdd, id);
 				break;
 			default:

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

@@ -248,6 +248,7 @@ int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm)
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
 	case CHIP_VANGOGH:
+	case CHIP_DIMGREY_CAVEFISH:
 		pm->pmf = &kfd_v9_pm_funcs;
 		break;
 	default:

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

@@ -1376,6 +1376,7 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
 	case CHIP_VANGOGH:
+	case CHIP_DIMGREY_CAVEFISH:
 		dev->node_props.capability |= ((HSA_CAP_DOORBELL_TYPE_2_0 <<
 			HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT) &
 			HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK);