Commit 158b594a authored Oct 03, 2018 by Pratik Vishwakarma Committed by Alex Deucher Oct 09, 2018

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>

parent c1f0320e

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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 \|\|

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