linux/drivers/gpu/drm/amd/amdkfd, branch v5.6

drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode

2020-02-04T15:32:41Z

The sdma_queue_count increment should be done before execute_queues_cpsch(), which calls pm_calc_rlib_size() where sdma_queue_count is used to calculate whether over_subscription is triggered. With the previous code, when a SDMA queue is created, compute_queue_count in pm_calc_rlib_size() is one more than the actual compute queue number, because the queue_count has been incremented while sdma_queue_count has not. This patch fixes that. Signed-off-by: Yong Zhao Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdkfd: Add a message when SW scheduler is used

2020-01-16T18:38:07Z

SW scheduler is previously called non HW scheduler, or non HWS. This message is useful when triaging issues from dmesg. Signed-off-by: Yong Zhao Acked-by: Huang Rui Signed-off-by: Alex Deucher

drm/amdkfd: use map_queues for hiq on gfx v10 as well

2020-01-16T18:34:57Z

To align with gfx v9, we use the map_queues packet to load hiq MQD. Signed-off-by: Huang Rui Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdkfd: use kiq to load the mqd of hiq queue for gfx v9 (v6)

2020-01-16T18:34:50Z

There is an issue that CP will check the HIQ queue to be configured and mapped with KIQ ring, otherwise, it will be unable to read back the secure buffer while the gfxoff is enabled even with trusted IP blocks. v1 -> v2: - Fix to remove surplus set_resources packets. - Fill the whole configuration in MQD. - Change the author as Aaron because he addressed the key point of this issue. - Add kiq ring lock. v2 -> v3: - Free the lock while in error return case. - Remove the programming only needed by the queue is unmapped. v3 -> v4: - Remove doorbell programming because it's used for restarting queue. - Remove CP scheduler programming because map_queue packet will handle this. v4 -> v5: - Remove cp_hqd_active because mec ucode will enable it while use map_queues. - Revise goto out_unlock. - Correct the right doorbell offset for HIQ that kfd driver assigned in the packet. v5 -> v6: - Merge Arcturus fix into this patch because it will get oops in Arcturus platform. Reported-by: Lisa Saturday Signed-off-by: Aaron Liu Signed-off-by: Huang Rui Reviewed-and-Tested-by: Aaron Liu Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdgpu: GPU TLB flush API moved to amdgpu_amdkfd

2020-01-16T18:34:33Z

[Why] TLB flush method has been deprecated using kfd2kgd interface. This implementation is now on the amdgpu_amdkfd API. [How] TLB flush functions now implemented in amdgpu_amdkfd. Signed-off-by: Alex Sierra Acked-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher

drm/amdkfd: Improve kfd_process lookup in kfd_ioctl

2020-01-09T21:08:19Z

Use filep->private_data to store a pointer to the kfd_process data structure. Take an extra reference for that, which gets released in the kfd_release callback. Check that the process calling kfd_ioctl is the same that opened the file descriptor. Return -EBADF if it's not, so that this error can be distinguished in user mode. Signed-off-by: Felix Kuehling Reviewed-by: Philip Yang Signed-off-by: Alex Deucher

drm/amdkfd: Avoid hanging hardware in stop_cpsch

2020-01-07T16:55:04Z

Don't use the HWS if it's known to be hanging. In a reset also don't try to destroy the HIQ because that may hang on SRIOV if the KIQ is unresponsive. Signed-off-by: Felix Kuehling Tested-by: Emily Deng Reviewed-by: shaoyunl Signed-off-by: Alex Deucher

drm/amdkfd: Improve HWS hang detection and handling

2020-01-07T16:54:56Z

Move HWS hang detection into unmap_queues_cpsch to catch hangs in all cases. If this happens during a reset, don't schedule another reset because the reset already in progress is expected to take care of it. Signed-off-by: Felix Kuehling Tested-by: Emily Deng Reviewed-by: shaoyunl Signed-off-by: Alex Deucher

drm/amdkfd: Remove unused variable

2020-01-07T16:54:50Z

dqm->pipeline_mem wasn't used anywhere. Signed-off-by: Felix Kuehling Reviewed-by: shaoyunl Signed-off-by: Alex Deucher

drm/amdkfd: Fix permissions of hang_hws

2020-01-07T16:54:30Z

Reading from /sys/kernel/debug/kfd/hang_hws would cause a kernel oops because we didn't implement a read callback. Set the permission to write-only to prevent that. Signed-off-by: Felix Kuehling Reviewed-by: shaoyunl Signed-off-by: Alex Deucher