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drm/amdgpu: skip IB tests for KIQ in general

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[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>
This commit is contained in:
Pratik Vishwakarma 2018-10-03 20:45:11 +05:30 committed by Alex Deucher
parent c1f0320e03
commit 158b594a96
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
View file

@ -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 ||