drm/amdgpu: defer test IBs on the rings at boot (V3)

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amdgpu_ib_ring_tests() runs test IB's on rings at boot
contributes to ~500 ms of amdgpu driver's boot time.

This patch defers it and ensures that its executed
in amdgpu_info_ioctl() if it wasn't scheduled.

V2: Use queue_delayed_work() & flush_delayed_work().
V3: removed usage of separate wq, ensure ib tests is
    run before enabling clockgating.

Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Shirish S 2018-04-16 12:17:57 +05:30 • committed by Alex Deucher

parent 5c3517d0c2

commit 2c773de2ec

2 changed files with 9 additions and 11 deletions

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17

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

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3

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

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