From: Alex Sierra Date: Thu, 15 Jun 2023 15:37:21 +0000 (-0500) Subject: drm/amdkfd: set coherent host access capability flag X-Git-Tag: xarray-6.6~123^2~2^2~65 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=03d400e7605e3d36abd3f949b25ba806cccff0cb;p=users%2Fwilly%2Fxarray.git drm/amdkfd: set coherent host access capability flag This flag determines whether the host possesses coherent access to the memory of the device. Signed-off-by: Alex Sierra Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 90b86a6ac7bd..61fc62f3e003 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -2107,6 +2107,10 @@ int kfd_topology_add_device(struct kfd_node *gpu) if (KFD_IS_SVM_API_SUPPORTED(dev->gpu->adev)) dev->node_props.capability |= HSA_CAP_SVMAPI_SUPPORTED; + if (dev->gpu->adev->gmc.is_app_apu || + dev->gpu->adev->gmc.xgmi.connected_to_cpu) + dev->node_props.capability |= HSA_CAP_FLAGS_COHERENTHOSTACCESS; + kfd_debug_print_topology(); kfd_notify_gpu_change(gpu_id, 1);