- 09 Dec, 2017 19 commits
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Felix Kuehling authored
Currently, the KFD topology information is generated by parsing the CRAT (ACPI) table. However, at present CRAT table is available only for AMD APUs. To support CPUs on systems without a CRAT table, the KFD driver will create a Virtual CRAT (VCRAT) table and then the existing code will parse that table to generate topology. Signed-off-by:
Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by:
Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by:
Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by:
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Harish Kasiviswanathan authored
Change kfd_cache_properties.sibling_map[256] to kfd_cache_properties.sibling_map[32]. Since, CRAT uses bitmap for sibling_map, it is more efficient to use bitmap in the kfd structure also. Signed-off-by:
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Felix Kuehling authored
Only count memory banks in one place. Ignore redundant num_banks entry in crat_subtype_computeunit. Signed-off-by:
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Felix Kuehling authored
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Harish Kasiviswanathan authored
Current thunk spec v1.07 dated Feb 1, 2016 v2: fix indentation Signed-off-by:
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Harish Kasiviswanathan authored
Modify kfd_topology_enum_kfd_devices(..) function to support non-GPU nodes. The function returned NULL when it encountered non-GPU (say CPU) nodes. This caused kfd_ioctl_create_event and kfd_init_apertures to fail for Intel + Tonga. kfd_topology_enum_kfd_devices will now parse all the nodes and return valid kfd_dev for nodes with GPU. Signed-off-by:
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Harish Kasiviswanathan authored
Currently, CRAT parsing is intertwined with topology_device_list and hence repeated calls to kfd_parse_crat_table() will fail. Decouple kfd_parse_crat_table() and topology_device_list. kfd_parse_crat_table() will parse CRAT and add topology devices to a temporary list temp_topology_device_list and then kfd_topology_update_device_list will move contents from temporary list to master list. Signed-off-by:
Kent Russell <kent.russell@amd.com> Signed-off-by:
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Harish Kasiviswanathan authored
Reorganize and rename kfd_topology_get_crat_acpi function. In this way acpi_get_table(..) needs to be called only once. This will also aid in dGPU topology implementation. Signed-off-by:
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Felix Kuehling authored
Take CRAT related functions out of kfd_topology.c and place them in kfd_crat.c. This is the initial step of supporting more CRAT features, i.e. creating virtual CRAT table for KFD devices without CRAT. v2: Minor cleanup that was missed previously because code moved around Signed-off-by:
Amber Lin <Amber.Lin@amd.com> Signed-off-by:
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Yong Zhao authored
Kobject created using kobject_create_and_add() can be freed using kobject_put() when there is no referenece any more. However, kobject memory allocated with kzalloc() has to set up a release callback in order to free it when the counter decreases to 0. Otherwise it causes memory leak. Signed-off-by:
Yong Zhao <yong.zhao@amd.com> Signed-off-by:
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Harish Kasiviswanathan authored
Fix location_id format to match Thunk specification. Signed-off-by:
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Flora Cui authored
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:
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Harish Kasiviswanathan authored
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Harish Kasiviswanathan authored
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Harish Kasiviswanathan authored
get_vmem_size() is deprecated. Instead use get_local_mem_info(). Signed-off-by:
Ben Goz <ben.goz@amd.com> Signed-off-by:
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Harish Kasiviswanathan authored
Implement new kgd-kfd interface function get_local_mem_info. Signed-off-by:
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Harish Kasiviswanathan authored
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:
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Flora Cui authored
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Flora Cui authored
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- 27 Nov, 2017 12 commits
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Yong Zhao authored
Also fixes error handling if kfd_process_init_cwsr fails. Signed-off-by:
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Felix Kuehling authored
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Felix Kuehling authored
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Yong Zhao authored
If no matching process is found, return NULL instead of a pointer to the last process in the kfd_processes_table. Signed-off-by:
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Felix Kuehling authored
Use a reference counter instead of a lock to prevent process destruction while functions running out of process context are using the kfd_process structure. In many cases these functions don't need the structure to be locked. In the few cases that really do need the process lock, take it explicitly. This helps simplify lock dependencies between the process lock and other locks, particularly amdgpu and mm_struct locks. This will be important when amdgpu calls back to amdkfd for memory evictions. Signed-off-by:
Christian König <christian.koenig@amd.com> Reviewed-by:
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Felix Kuehling authored
This will be used to elliminate the use of the process lock for preventing concurrent process destruction. This will simplify lock dependencies between KFD and KGD. This also simplifies the process destruction in a few ways: * Don't allocate work struct dynamically * Remove unnecessary hack that increments mm reference counter * Remove unnecessary process locking during destruction Signed-off-by:
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Felix Kuehling authored
Increment the kfd_process.lead_thread's reference counter to make it safe to dereference. This is needed for getting a safe reference to the process' mm_struct. Signed-off-by:
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Felix Kuehling authored
This commit adds several debugfs entries for kfd: kfd/hqds: dumps all HQDs on all GPUs for KFD-controlled compute and SDMA RLC queues kfd/mqds: dumps all MQDs of all KFD processes on all GPUs kfd/rls: dumps HWS runlists on all GPUs Signed-off-by: -
Felix Kuehling authored
This can be used by KFD for debugging features, such as dumping HQDs in debugfs. Signed-off-by:
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Felix Kuehling authored
This counts the queue offset in register index, not register address. Signed-off-by:
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Felix Kuehling authored
Don't count SDMA queues towards compute HQD oversubscription when deciding whether to create a chained runlist. Signed-off-by:
Jay Cornwall <Jay.Cornwall@amd.com> Signed-off-by:
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Felix Kuehling authored
Allow HWS to to execute multiple processes on the hardware concurrently. The number of concurrent processes is limited by the number of VMIDs allocated to the HWS. A module parameter can be used for limiting this further or turn it off altogether (mainly for debugging purposes). Signed-off-by:
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- 04 Dec, 2017 1 commit
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Kent Russell authored
Just print a pointer instead of casting v2: Remove the 0x prefix, since %p prints that automatically, and remove it from one other spot as well Signed-off-by:
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- 27 Nov, 2017 2 commits
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Philip Yang authored
After debugger is registered, the pqm_destroy_queue fails because is_debug is true, the queue should not be removed from process_queue_list since the count is not reduced. Test application calls debugger unregister without register debugger, add null pointer check protection to avoid crash for this case Signed-off-by:
Philip Yang <Philip.Yang@amd.com> Signed-off-by:
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Felix Kuehling authored
Use proper powerplay function. This fixes OpenCL initialization problems. Signed-off-by:
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- 24 Nov, 2017 1 commit
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Yong Zhao authored
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- 14 Nov, 2017 4 commits
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Felix Kuehling authored
A second-level user mode trap handler can be installed. The CWSR trap handler jumps to the secondary trap handler conditionally for any conditions not handled by it. This can be used e.g. for debugging or catching math exceptions. When CWSR is disabled, the user mode trap handler is installed as first level trap handler. Signed-off-by:
Shaoyun.liu <shaoyun.liu@amd.com> Signed-off-by:
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Felix Kuehling authored
This hardware feature allows the GPU to preempt shader execution in the middle of a compute wave, save the state and restore it later to resume execution. Memory for saving the state is allocated per queue in user mode and the address and size passed to the create_queue ioctl. The size depends on the number of waves that can be in flight simultaneously on a given ASIC. Signed-off-by:
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Felix Kuehling authored
The trap handler is like an interrupt handler running on the GPU compute unit. It is needed for supporting CWSR (compute wave save/restore). This file defines an array with the pre-compiled GFXv8 shader ISA. The assembly code is included for reference in #if 0 ... #endif. Signed-off-by:
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Felix Kuehling authored
The PQM doesn't change after process creation. So initialize it in kfd_create_process_device_data. Signed-off-by:
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- 06 Nov, 2017 1 commit
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Felix Kuehling authored
Replace (ffs(size) - 1) with order_base_2(size) as a more straight forward way to get log2 of buffer sizes. Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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