diff options
| author |   Pratik Vishwakarma <Pratik.Vishwakarma@amd.com> | 2018-10-03 20:45:11 +0530 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-10-09 17:06:12 -0500 |
| commit | 158b594a96529d895df943a4764609438a01d687 (patch) | |
| tree | 7582a17a9ba6ae8dd5d76121f199a4c67e12b9cb /drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | |
| parent | drm/scheduler: Simplify spsc_queue_count check in drm_sched_entity_select_rq (diff) | |
| download | linux-dev-158b594a96529d895df943a4764609438a01d687.tar.xz linux-dev-158b594a96529d895df943a4764609438a01d687.zip | |
drm/amdgpu: skip IB tests for KIQ in general
[Why]
1. We never submit IBs to KIQ.
2. Ring test pass without KIQ's ring also.
3. By skipping we see an improvement of around 500ms
in the amdgpu's resume time.
[How]
skip IB tests for KIQ ring type.
Signed-off-by: Shirish S <shirish.s@amd.com>
Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 47817e00f54f..b8963b725dfa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -354,6 +354,14 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev) if (!ring || !ring->ready) continue; + /* skip IB tests for KIQ in general for the below reasons: + * 1. We never submit IBs to the KIQ + * 2. KIQ doesn't use the EOP interrupts, + * we use some other CP interrupt. + */ + if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ) + continue; + /* MM engine need more time */ if (ring->funcs->type == AMDGPU_RING_TYPE_UVD || ring->funcs->type == AMDGPU_RING_TYPE_VCE || |