kernel/drivers/gpu/drm/amd/include/kgd_kfd_interface.h, branch linux-4.17.y

drm/amdkfd: Add ioctls for GPUVM memory management

2018-03-15T21:27:51Z

v2: * Fix error handling after kfd_bind_process_to_device in kfd_ioctl_map_memory_to_gpu v3: * Add ioctl to acquire VM from a DRM FD v4: * Return number of successful map/unmap operations in failure cases * Facilitate partial retry after failed map/unmap * Added comments with parameter descriptions to new APIs * Defined AMDKFD_IOC_FREE_MEMORY_OF_GPU write-only Signed-off-by: Felix Kuehling Acked-by: Christian König Signed-off-by: Oded Gabbay

drm/amdgpu: Add kfd2kgd interface to acquire an existing VM

2018-03-15T21:27:43Z

This allows acquiring an existing VM from a render node FD to use it for a compute process. Such VMs get destroyed when the original file descriptor is released. Added a callback from amdgpu_vm_fini to handle KFD VM destruction correctly in this case. v2: * Removed vm->vm_context check in amdgpu_amdkfd_gpuvm_destroy_cb, check vm->process_info earlier instead Signed-off-by: Felix Kuehling Acked-by: Christian König Signed-off-by: Oded Gabbay

drm/amdgpu: Add submit IB function for KFD

2018-02-07T01:32:39Z

This can be used for flushing caches when not using the HWS. Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amdgpu: Add GPUVM memory management functions for KFD

2018-02-07T01:32:38Z

v2: * Removed unused flags from struct kgd_mem * Updated some comments * Added a check to unmap_memory_from_gpu whether BO was mapped v3: add mutex_destroy in relevant places Signed-off-by: Felix Kuehling Acked-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amdgpu: Update kgd2kfd_shared_resources for dGPU support

2018-02-07T01:32:36Z

Add GPUVM size and DRM render node. Also add function to query the VMID mask to avoid hard-coding it in multiple places later. v2: cut off GPUVM size at the VA hole Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amdgpu: Add KFD eviction fence

2018-02-07T01:32:35Z

This fence is used by KFD to keep memory resident while user mode queues are enabled. Trying to evict memory will trigger the enable_signaling callback, which starts a KFD eviction, which involves preempting user mode queues before signaling the fence. There is one such fence per process. v2: * Grab a reference to mm_struct * Dereference fence after NULL check * Simplify fence release, no need to signal without anyone waiting * Added signed-off-by Harish, who is the original author of this code v3: * update MAINTAINERS file * change amd_kfd_ prefix to amdkfd_ * remove useless initialization of variable to NULL v4: * set amdkfd_fence_ops to be static * Suggested by: Fengguang Wu Signed-off-by: Harish Kasiviswanathan Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amdgpu: Remove unused kfd2kgd interface

2018-02-07T01:32:34Z

Signed-off-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Oded Gabbay

drm/amdgpu: Add support for reporting VRAM usage

2017-12-09T04:09:05Z

Add functions to report the vram_usage from the amdgpu_device Signed-off-by: Kent Russell Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amd: Remove get_vmem_size from KGD-KFD interface

2017-12-09T04:08:45Z

Signed-off-by: Harish Kasiviswanathan Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay

drm/amd: Add get_local_mem_info to KGD-KFD interface

2017-12-09T04:08:41Z

Add get_local_mem_info which provides more information about local memory than get_vmem_size: - public and private framebuffer size - memory clock Signed-off-by: Harish Kasiviswanathan Signed-off-by: Ben Goz Signed-off-by: Felix Kuehling Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay