From b2ff0e8ac4ce1fb647ae40feb4cf26bc9301e0c9 Mon Sep 17 00:00:00 2001 From: Andres Rodriguez Date: Mon, 20 Feb 2017 17:53:19 -0500 Subject: drm/amdgpu: add framework for HW specific priority settings v9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add an initial framework for changing the HW priorities of rings. The framework allows requesting priority changes for the lifetime of an amdgpu_job. After the job completes the priority will decay to the next lowest priority for which a request is still valid. A new ring function set_priority() can now be populated to take care of the HW specific programming sequence for priority changes. v2: set priority before emitting IB, and take a ref on amdgpu_job v3: use AMD_SCHED_PRIORITY_* instead of AMDGPU_CTX_PRIORITY_* v4: plug amdgpu_ring_restore_priority_cb into amdgpu_job_free_cb v5: use atomic for tracking job priorities instead of last_job v6: rename amdgpu_ring_priority_[get/put]() and align parameters v7: replace spinlocks with mutexes for KIQ compatibility v8: raise ring priority during cs_ioctl, instead of job_run v9: priority_get() before push_job() Reviewed-by: Christian König Acked-by: Christian König Signed-off-by: Andres Rodriguez Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 38027a00f8ab..fe7dd44ac9fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1177,6 +1177,8 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, job->uf_sequence = seq; amdgpu_job_free_resources(job); + amdgpu_ring_priority_get(job->ring, + amd_sched_get_job_priority(&job->base)); trace_amdgpu_cs_ioctl(job); amd_sched_entity_push_job(&job->base); -- cgit