Commit 2ff52819 authored Jun 03, 2019 by Oak Zeng Committed by Alex Deucher Jun 11, 2019

drm/amdkfd: Only load sdma mqd when queue is active



Also calls load_mqd with current->mm struct. The mm
struct is used to read back user wptr of the queue.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent eec0b4cf

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -995,8 +995,11 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
		if (retval)
		goto out_deallocate_doorbell;

		if (!q->properties.is_active)
		return 0;

		retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, 0, 0, &q->properties,
		NULL);
		current->mm);
		if (retval)
		goto out_uninit_mqd;

Admin message