From 5bb4b78be9c67b02a7f138850e9e89825181f555 Mon Sep 17 00:00:00 2001 From: Oak Zeng Date: Mon, 6 May 2019 22:11:14 -0500 Subject: drm/amdkfd: New IOCTL to allocate queue GWS (v2) Add a new kfd ioctl to allocate queue GWS. Queue GWS is released on queue destroy. v2: re-introduce this API with the following fixes squashed in: - drm/amdkfd: fix null pointer dereference on dev - drm/amdkfd: Return proper error code for gws alloc API - drm/amdkfd: Remove GPU ID in GWS queue creation Signed-off-by: Oak Zeng Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c') diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index 084c35f55d59..eb1635ac8988 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -476,6 +476,15 @@ struct kernel_queue *pqm_get_kernel_queue( return NULL; } +struct queue *pqm_get_user_queue(struct process_queue_manager *pqm, + unsigned int qid) +{ + struct process_queue_node *pqn; + + pqn = get_queue_by_qid(pqm, qid); + return pqn ? pqn->q : NULL; +} + int pqm_get_wave_state(struct process_queue_manager *pqm, unsigned int qid, void __user *ctl_stack, -- cgit v1.2.3