diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 332 |
1 files changed, 183 insertions, 149 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 3322a443dfb2..2a9e40131735 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -39,9 +39,45 @@ */ static atomic_t kfd_locked = ATOMIC_INIT(0); +#ifdef CONFIG_DRM_AMDGPU_CIK +extern const struct kfd2kgd_calls gfx_v7_kfd2kgd; +#endif +extern const struct kfd2kgd_calls gfx_v8_kfd2kgd; +extern const struct kfd2kgd_calls gfx_v9_kfd2kgd; +extern const struct kfd2kgd_calls arcturus_kfd2kgd; +extern const struct kfd2kgd_calls gfx_v10_kfd2kgd; + +static const struct kfd2kgd_calls *kfd2kgd_funcs[] = { +#ifdef KFD_SUPPORT_IOMMU_V2 +#ifdef CONFIG_DRM_AMDGPU_CIK + [CHIP_KAVERI] = &gfx_v7_kfd2kgd, +#endif + [CHIP_CARRIZO] = &gfx_v8_kfd2kgd, + [CHIP_RAVEN] = &gfx_v9_kfd2kgd, +#endif +#ifdef CONFIG_DRM_AMDGPU_CIK + [CHIP_HAWAII] = &gfx_v7_kfd2kgd, +#endif + [CHIP_TONGA] = &gfx_v8_kfd2kgd, + [CHIP_FIJI] = &gfx_v8_kfd2kgd, + [CHIP_POLARIS10] = &gfx_v8_kfd2kgd, + [CHIP_POLARIS11] = &gfx_v8_kfd2kgd, + [CHIP_POLARIS12] = &gfx_v8_kfd2kgd, + [CHIP_VEGAM] = &gfx_v8_kfd2kgd, + [CHIP_VEGA10] = &gfx_v9_kfd2kgd, + [CHIP_VEGA12] = &gfx_v9_kfd2kgd, + [CHIP_VEGA20] = &gfx_v9_kfd2kgd, + [CHIP_RENOIR] = &gfx_v9_kfd2kgd, + [CHIP_ARCTURUS] = &arcturus_kfd2kgd, + [CHIP_NAVI10] = &gfx_v10_kfd2kgd, + [CHIP_NAVI12] = &gfx_v10_kfd2kgd, + [CHIP_NAVI14] = &gfx_v10_kfd2kgd, +}; + #ifdef KFD_SUPPORT_IOMMU_V2 static const struct kfd_device_info kaveri_device_info = { .asic_family = CHIP_KAVERI, + .asic_name = "kaveri", .max_pasid_bits = 16, /* max num of queues for KV.TODO should be a dynamic value */ .max_no_of_hqd = 24, @@ -60,6 +96,7 @@ static const struct kfd_device_info kaveri_device_info = { static const struct kfd_device_info carrizo_device_info = { .asic_family = CHIP_CARRIZO, + .asic_name = "carrizo", .max_pasid_bits = 16, /* max num of queues for CZ.TODO should be a dynamic value */ .max_no_of_hqd = 24, @@ -78,6 +115,7 @@ static const struct kfd_device_info carrizo_device_info = { static const struct kfd_device_info raven_device_info = { .asic_family = CHIP_RAVEN, + .asic_name = "raven", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 8, @@ -96,6 +134,7 @@ static const struct kfd_device_info raven_device_info = { static const struct kfd_device_info hawaii_device_info = { .asic_family = CHIP_HAWAII, + .asic_name = "hawaii", .max_pasid_bits = 16, /* max num of queues for KV.TODO should be a dynamic value */ .max_no_of_hqd = 24, @@ -114,6 +153,7 @@ static const struct kfd_device_info hawaii_device_info = { static const struct kfd_device_info tonga_device_info = { .asic_family = CHIP_TONGA, + .asic_name = "tonga", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -131,6 +171,7 @@ static const struct kfd_device_info tonga_device_info = { static const struct kfd_device_info fiji_device_info = { .asic_family = CHIP_FIJI, + .asic_name = "fiji", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -148,6 +189,7 @@ static const struct kfd_device_info fiji_device_info = { static const struct kfd_device_info fiji_vf_device_info = { .asic_family = CHIP_FIJI, + .asic_name = "fiji", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -166,6 +208,7 @@ static const struct kfd_device_info fiji_vf_device_info = { static const struct kfd_device_info polaris10_device_info = { .asic_family = CHIP_POLARIS10, + .asic_name = "polaris10", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -183,6 +226,7 @@ static const struct kfd_device_info polaris10_device_info = { static const struct kfd_device_info polaris10_vf_device_info = { .asic_family = CHIP_POLARIS10, + .asic_name = "polaris10", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -200,6 +244,7 @@ static const struct kfd_device_info polaris10_vf_device_info = { static const struct kfd_device_info polaris11_device_info = { .asic_family = CHIP_POLARIS11, + .asic_name = "polaris11", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -217,6 +262,7 @@ static const struct kfd_device_info polaris11_device_info = { static const struct kfd_device_info polaris12_device_info = { .asic_family = CHIP_POLARIS12, + .asic_name = "polaris12", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -234,6 +280,7 @@ static const struct kfd_device_info polaris12_device_info = { static const struct kfd_device_info vegam_device_info = { .asic_family = CHIP_VEGAM, + .asic_name = "vegam", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 4, @@ -251,6 +298,7 @@ static const struct kfd_device_info vegam_device_info = { static const struct kfd_device_info vega10_device_info = { .asic_family = CHIP_VEGA10, + .asic_name = "vega10", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 8, @@ -268,6 +316,7 @@ static const struct kfd_device_info vega10_device_info = { static const struct kfd_device_info vega10_vf_device_info = { .asic_family = CHIP_VEGA10, + .asic_name = "vega10", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 8, @@ -285,6 +334,7 @@ static const struct kfd_device_info vega10_vf_device_info = { static const struct kfd_device_info vega12_device_info = { .asic_family = CHIP_VEGA12, + .asic_name = "vega12", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 8, @@ -302,6 +352,7 @@ static const struct kfd_device_info vega12_device_info = { static const struct kfd_device_info vega20_device_info = { .asic_family = CHIP_VEGA20, + .asic_name = "vega20", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 8, @@ -317,8 +368,45 @@ static const struct kfd_device_info vega20_device_info = { .num_sdma_queues_per_engine = 8, }; +static const struct kfd_device_info arcturus_device_info = { + .asic_family = CHIP_ARCTURUS, + .asic_name = "arcturus", + .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, + .supports_cwsr = true, + .needs_iommu_device = false, + .needs_pci_atomics = false, + .num_sdma_engines = 2, + .num_xgmi_sdma_engines = 6, + .num_sdma_queues_per_engine = 8, +}; + +static const struct kfd_device_info renoir_device_info = { + .asic_family = CHIP_RENOIR, + .asic_name = "renoir", + .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, + .supports_cwsr = true, + .needs_iommu_device = false, + .needs_pci_atomics = false, + .num_sdma_engines = 1, + .num_xgmi_sdma_engines = 0, + .num_sdma_queues_per_engine = 2, +}; + static const struct kfd_device_info navi10_device_info = { .asic_family = CHIP_NAVI10, + .asic_name = "navi10", .max_pasid_bits = 16, .max_no_of_hqd = 24, .doorbell_size = 8, @@ -334,130 +422,64 @@ static const struct kfd_device_info navi10_device_info = { .num_sdma_queues_per_engine = 8, }; -struct kfd_deviceid { - unsigned short did; - const struct kfd_device_info *device_info; +static const struct kfd_device_info navi12_device_info = { + .asic_family = CHIP_NAVI12, + .asic_name = "navi12", + .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, +}; + +static const struct kfd_device_info navi14_device_info = { + .asic_family = CHIP_NAVI14, + .asic_name = "navi14", + .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, }; -static const struct kfd_deviceid supported_devices[] = { +/* 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 - { 0x1304, &kaveri_device_info }, /* Kaveri */ - { 0x1305, &kaveri_device_info }, /* Kaveri */ - { 0x1306, &kaveri_device_info }, /* Kaveri */ - { 0x1307, &kaveri_device_info }, /* Kaveri */ - { 0x1309, &kaveri_device_info }, /* Kaveri */ - { 0x130A, &kaveri_device_info }, /* Kaveri */ - { 0x130B, &kaveri_device_info }, /* Kaveri */ - { 0x130C, &kaveri_device_info }, /* Kaveri */ - { 0x130D, &kaveri_device_info }, /* Kaveri */ - { 0x130E, &kaveri_device_info }, /* Kaveri */ - { 0x130F, &kaveri_device_info }, /* Kaveri */ - { 0x1310, &kaveri_device_info }, /* Kaveri */ - { 0x1311, &kaveri_device_info }, /* Kaveri */ - { 0x1312, &kaveri_device_info }, /* Kaveri */ - { 0x1313, &kaveri_device_info }, /* Kaveri */ - { 0x1315, &kaveri_device_info }, /* Kaveri */ - { 0x1316, &kaveri_device_info }, /* Kaveri */ - { 0x1317, &kaveri_device_info }, /* Kaveri */ - { 0x1318, &kaveri_device_info }, /* Kaveri */ - { 0x131B, &kaveri_device_info }, /* Kaveri */ - { 0x131C, &kaveri_device_info }, /* Kaveri */ - { 0x131D, &kaveri_device_info }, /* Kaveri */ - { 0x9870, &carrizo_device_info }, /* Carrizo */ - { 0x9874, &carrizo_device_info }, /* Carrizo */ - { 0x9875, &carrizo_device_info }, /* Carrizo */ - { 0x9876, &carrizo_device_info }, /* Carrizo */ - { 0x9877, &carrizo_device_info }, /* Carrizo */ - { 0x15DD, &raven_device_info }, /* Raven */ - { 0x15D8, &raven_device_info }, /* Raven */ + [CHIP_KAVERI] = {&kaveri_device_info, NULL}, + [CHIP_CARRIZO] = {&carrizo_device_info, NULL}, + [CHIP_RAVEN] = {&raven_device_info, NULL}, #endif - { 0x67A0, &hawaii_device_info }, /* Hawaii */ - { 0x67A1, &hawaii_device_info }, /* Hawaii */ - { 0x67A2, &hawaii_device_info }, /* Hawaii */ - { 0x67A8, &hawaii_device_info }, /* Hawaii */ - { 0x67A9, &hawaii_device_info }, /* Hawaii */ - { 0x67AA, &hawaii_device_info }, /* Hawaii */ - { 0x67B0, &hawaii_device_info }, /* Hawaii */ - { 0x67B1, &hawaii_device_info }, /* Hawaii */ - { 0x67B8, &hawaii_device_info }, /* Hawaii */ - { 0x67B9, &hawaii_device_info }, /* Hawaii */ - { 0x67BA, &hawaii_device_info }, /* Hawaii */ - { 0x67BE, &hawaii_device_info }, /* Hawaii */ - { 0x6920, &tonga_device_info }, /* Tonga */ - { 0x6921, &tonga_device_info }, /* Tonga */ - { 0x6928, &tonga_device_info }, /* Tonga */ - { 0x6929, &tonga_device_info }, /* Tonga */ - { 0x692B, &tonga_device_info }, /* Tonga */ - { 0x6938, &tonga_device_info }, /* Tonga */ - { 0x6939, &tonga_device_info }, /* Tonga */ - { 0x7300, &fiji_device_info }, /* Fiji */ - { 0x730F, &fiji_vf_device_info }, /* Fiji vf*/ - { 0x67C0, &polaris10_device_info }, /* Polaris10 */ - { 0x67C1, &polaris10_device_info }, /* Polaris10 */ - { 0x67C2, &polaris10_device_info }, /* Polaris10 */ - { 0x67C4, &polaris10_device_info }, /* Polaris10 */ - { 0x67C7, &polaris10_device_info }, /* Polaris10 */ - { 0x67C8, &polaris10_device_info }, /* Polaris10 */ - { 0x67C9, &polaris10_device_info }, /* Polaris10 */ - { 0x67CA, &polaris10_device_info }, /* Polaris10 */ - { 0x67CC, &polaris10_device_info }, /* Polaris10 */ - { 0x67CF, &polaris10_device_info }, /* Polaris10 */ - { 0x67D0, &polaris10_vf_device_info }, /* Polaris10 vf*/ - { 0x67DF, &polaris10_device_info }, /* Polaris10 */ - { 0x6FDF, &polaris10_device_info }, /* Polaris10 */ - { 0x67E0, &polaris11_device_info }, /* Polaris11 */ - { 0x67E1, &polaris11_device_info }, /* Polaris11 */ - { 0x67E3, &polaris11_device_info }, /* Polaris11 */ - { 0x67E7, &polaris11_device_info }, /* Polaris11 */ - { 0x67E8, &polaris11_device_info }, /* Polaris11 */ - { 0x67E9, &polaris11_device_info }, /* Polaris11 */ - { 0x67EB, &polaris11_device_info }, /* Polaris11 */ - { 0x67EF, &polaris11_device_info }, /* Polaris11 */ - { 0x67FF, &polaris11_device_info }, /* Polaris11 */ - { 0x6980, &polaris12_device_info }, /* Polaris12 */ - { 0x6981, &polaris12_device_info }, /* Polaris12 */ - { 0x6985, &polaris12_device_info }, /* Polaris12 */ - { 0x6986, &polaris12_device_info }, /* Polaris12 */ - { 0x6987, &polaris12_device_info }, /* Polaris12 */ - { 0x6995, &polaris12_device_info }, /* Polaris12 */ - { 0x6997, &polaris12_device_info }, /* Polaris12 */ - { 0x699F, &polaris12_device_info }, /* Polaris12 */ - { 0x694C, &vegam_device_info }, /* VegaM */ - { 0x694E, &vegam_device_info }, /* VegaM */ - { 0x694F, &vegam_device_info }, /* VegaM */ - { 0x6860, &vega10_device_info }, /* Vega10 */ - { 0x6861, &vega10_device_info }, /* Vega10 */ - { 0x6862, &vega10_device_info }, /* Vega10 */ - { 0x6863, &vega10_device_info }, /* Vega10 */ - { 0x6864, &vega10_device_info }, /* Vega10 */ - { 0x6867, &vega10_device_info }, /* Vega10 */ - { 0x6868, &vega10_device_info }, /* Vega10 */ - { 0x6869, &vega10_device_info }, /* Vega10 */ - { 0x686A, &vega10_device_info }, /* Vega10 */ - { 0x686B, &vega10_device_info }, /* Vega10 */ - { 0x686C, &vega10_vf_device_info }, /* Vega10 vf*/ - { 0x686D, &vega10_device_info }, /* Vega10 */ - { 0x686E, &vega10_device_info }, /* Vega10 */ - { 0x686F, &vega10_device_info }, /* Vega10 */ - { 0x687F, &vega10_device_info }, /* Vega10 */ - { 0x69A0, &vega12_device_info }, /* Vega12 */ - { 0x69A1, &vega12_device_info }, /* Vega12 */ - { 0x69A2, &vega12_device_info }, /* Vega12 */ - { 0x69A3, &vega12_device_info }, /* Vega12 */ - { 0x69AF, &vega12_device_info }, /* Vega12 */ - { 0x66a0, &vega20_device_info }, /* Vega20 */ - { 0x66a1, &vega20_device_info }, /* Vega20 */ - { 0x66a2, &vega20_device_info }, /* Vega20 */ - { 0x66a3, &vega20_device_info }, /* Vega20 */ - { 0x66a4, &vega20_device_info }, /* Vega20 */ - { 0x66a7, &vega20_device_info }, /* Vega20 */ - { 0x66af, &vega20_device_info }, /* Vega20 */ - /* Navi10 */ - { 0x7310, &navi10_device_info }, /* Navi10 */ - { 0x7312, &navi10_device_info }, /* Navi10 */ - { 0x7318, &navi10_device_info }, /* Navi10 */ - { 0x731a, &navi10_device_info }, /* Navi10 */ - { 0x731f, &navi10_device_info }, /* Navi10 */ + [CHIP_HAWAII] = {&hawaii_device_info, NULL}, + [CHIP_TONGA] = {&tonga_device_info, NULL}, + [CHIP_FIJI] = {&fiji_device_info, &fiji_vf_device_info}, + [CHIP_POLARIS10] = {&polaris10_device_info, &polaris10_vf_device_info}, + [CHIP_POLARIS11] = {&polaris11_device_info, NULL}, + [CHIP_POLARIS12] = {&polaris12_device_info, NULL}, + [CHIP_VEGAM] = {&vegam_device_info, NULL}, + [CHIP_VEGA10] = {&vega10_device_info, &vega10_vf_device_info}, + [CHIP_VEGA12] = {&vega12_device_info, NULL}, + [CHIP_VEGA20] = {&vega20_device_info, NULL}, + [CHIP_RENOIR] = {&renoir_device_info, NULL}, + [CHIP_ARCTURUS] = {&arcturus_device_info, &arcturus_device_info}, + [CHIP_NAVI10] = {&navi10_device_info, NULL}, + [CHIP_NAVI12] = {&navi12_device_info, &navi12_device_info}, + [CHIP_NAVI14] = {&navi14_device_info, NULL}, }; static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size, @@ -466,32 +488,25 @@ static void kfd_gtt_sa_fini(struct kfd_dev *kfd); static int kfd_resume(struct kfd_dev *kfd); -static const struct kfd_device_info *lookup_device_info(unsigned short did) +struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, + struct pci_dev *pdev, unsigned int asic_type, bool vf) { - size_t i; + struct kfd_dev *kfd; + const struct kfd_device_info *device_info; + const struct kfd2kgd_calls *f2g; - for (i = 0; i < ARRAY_SIZE(supported_devices); i++) { - if (supported_devices[i].did == did) { - WARN_ON(!supported_devices[i].device_info); - return supported_devices[i].device_info; - } + if (asic_type >= sizeof(kfd_supported_devices) / (sizeof(void *) * 2) + || asic_type >= sizeof(kfd2kgd_funcs) / sizeof(void *)) { + dev_err(kfd_device, "asic_type %d out of range\n", asic_type); + return NULL; /* asic_type out of range */ } - dev_warn(kfd_device, "DID %04x is missing in supported_devices\n", - did); - - return NULL; -} + device_info = kfd_supported_devices[asic_type][vf]; + f2g = kfd2kgd_funcs[asic_type]; -struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, - struct pci_dev *pdev, const struct kfd2kgd_calls *f2g) -{ - struct kfd_dev *kfd; - const struct kfd_device_info *device_info = - lookup_device_info(pdev->device); - - if (!device_info) { - dev_err(kfd_device, "kgd2kfd_probe failed\n"); + if (!device_info || !f2g) { + dev_err(kfd_device, "%s %s not supported in kfd\n", + amdgpu_asic_name[asic_type], vf ? "VF" : ""); return NULL; } @@ -536,6 +551,10 @@ static void kfd_cwsr_init(struct kfd_dev *kfd) BUILD_BUG_ON(sizeof(cwsr_trap_gfx8_hex) > PAGE_SIZE); kfd->cwsr_isa = cwsr_trap_gfx8_hex; kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx8_hex); + } else if (kfd->device_info->asic_family == CHIP_ARCTURUS) { + BUILD_BUG_ON(sizeof(cwsr_trap_arcturus_hex) > PAGE_SIZE); + kfd->cwsr_isa = cwsr_trap_arcturus_hex; + kfd->cwsr_isa_size = sizeof(cwsr_trap_arcturus_hex); } else if (kfd->device_info->asic_family < CHIP_NAVI10) { BUILD_BUG_ON(sizeof(cwsr_trap_gfx9_hex) > PAGE_SIZE); kfd->cwsr_isa = cwsr_trap_gfx9_hex; @@ -551,10 +570,12 @@ static void kfd_cwsr_init(struct kfd_dev *kfd) } bool kgd2kfd_device_init(struct kfd_dev *kfd, + struct drm_device *ddev, const struct kgd2kfd_shared_resources *gpu_resources) { unsigned int size; + kfd->ddev = ddev; kfd->mec_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd, KGD_ENGINE_MEC1); kfd->sdma_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd, @@ -707,10 +728,10 @@ int kgd2kfd_pre_reset(struct kfd_dev *kfd) { if (!kfd->init_complete) return 0; - kgd2kfd_suspend(kfd); - /* hold dqm->lock to prevent further execution*/ - dqm_lock(kfd->dqm); + kfd->dqm->ops.pre_reset(kfd->dqm); + + kgd2kfd_suspend(kfd); kfd_signal_reset_event(kfd); return 0; @@ -724,17 +745,15 @@ int kgd2kfd_pre_reset(struct kfd_dev *kfd) int kgd2kfd_post_reset(struct kfd_dev *kfd) { - int ret, count; + int ret; if (!kfd->init_complete) return 0; - dqm_unlock(kfd->dqm); - ret = kfd_resume(kfd); if (ret) return ret; - count = atomic_dec_return(&kfd_locked); + atomic_dec(&kfd_locked); atomic_set(&kfd->sram_ecc_flag, 0); @@ -806,6 +825,21 @@ dqm_start_error: return err; } +static inline void kfd_queue_work(struct workqueue_struct *wq, + struct work_struct *work) +{ + int cpu, new_cpu; + + cpu = new_cpu = smp_processor_id(); + do { + new_cpu = cpumask_next(new_cpu, cpu_online_mask) % nr_cpu_ids; + if (cpu_to_node(new_cpu) == numa_node_id()) + break; + } while (cpu != new_cpu); + + queue_work_on(new_cpu, wq, work); +} + /* This is called directly from KGD at ISR. */ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) { @@ -828,7 +862,7 @@ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) patched_ihre, &is_patched) && enqueue_ih_ring_entry(kfd, is_patched ? patched_ihre : ih_ring_entry)) - queue_work(kfd->ih_wq, &kfd->interrupt_work); + kfd_queue_work(kfd->ih_wq, &kfd->interrupt_work); spin_unlock_irqrestore(&kfd->interrupt_lock, flags); } |
