diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3415-drm-amdkfd-Update-number-of-compute-unit-from-KGD.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3415-drm-amdkfd-Update-number-of-compute-unit-from-KGD.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3415-drm-amdkfd-Update-number-of-compute-unit-from-KGD.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3415-drm-amdkfd-Update-number-of-compute-unit-from-KGD.patch new file mode 100644 index 00000000..74af7228 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3415-drm-amdkfd-Update-number-of-compute-unit-from-KGD.patch @@ -0,0 +1,58 @@ +From 4dfa91d8d23f49fa4955544a2e3024d8c35a7418 Mon Sep 17 00:00:00 2001 +From: Flora Cui <flora.cui@amd.com> +Date: Fri, 8 Dec 2017 23:08:46 -0500 +Subject: [PATCH 3415/4131] drm/amdkfd: Update number of compute unit from KGD +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Overwrite the active simd_count from KGD at driver loading time. This is +based on assumption that register GC_USER_SHADER_ARRAY_CONFIG won’t get +changed. + +V2: remove the incorrect simd_count reported at loading module. + +Signed-off-by: Flora Cui <flora.cui@amd.com> +Reviewed by: Yair Shachar< yair.shachar@amd.com> +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +Acked-by: Oded Gabbay <oded.gabbay@gmail.com> +Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +index cb0303a..ca2e51a 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +@@ -133,8 +133,7 @@ static void kfd_populated_cu_info_gpu(struct kfd_topology_device *dev, + dev->node_props.max_slots_scratch_cu = cu->max_slots_scatch_cu; + if (cu->hsa_capability & CRAT_CU_FLAGS_HOT_PLUGGABLE) + dev->node_props.capability |= HSA_CAP_HOT_PLUGGABLE; +- pr_info("CU GPU: simds=%d id_base=%d\n", cu->num_simd_cores, +- cu->processor_id_low); ++ pr_info("CU GPU: id_base=%d\n", cu->processor_id_low); + } + + /* kfd_parse_subtype_cu is called when the topology mutex is already acquired */ +@@ -1124,6 +1123,7 @@ int kfd_topology_add_device(struct kfd_dev *gpu) + { + uint32_t gpu_id; + struct kfd_topology_device *dev; ++ struct kfd_cu_info cu_info; + int res; + + gpu_id = kfd_generate_gpu_id(gpu); +@@ -1161,6 +1161,9 @@ int kfd_topology_add_device(struct kfd_dev *gpu) + + dev->gpu_id = gpu_id; + gpu->id = gpu_id; ++ dev->gpu->kfd2kgd->get_cu_info(dev->gpu->kgd, &cu_info); ++ dev->node_props.simd_count = dev->node_props.simd_per_cu * ++ cu_info.cu_active_number; + dev->node_props.vendor_id = gpu->pdev->vendor; + dev->node_props.device_id = gpu->pdev->device; + dev->node_props.location_id = (gpu->pdev->bus->number << 24) + +-- +2.7.4 + |