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drm/amdgpu/gfx12: return early in preempt_ib()

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When MES is enabled KIQ is not available.  Return an error
when someone uses the debugfs preempt test interface in
that case.

Acked-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-08-15 12:58:14 -04:00
parent 1e487c9173
commit 1125f95cd2
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
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@ -4501,6 +4501,9 @@ static int gfx_v12_0_ring_preempt_ib(struct amdgpu_ring *ring)
struct amdgpu_ring *kiq_ring = &kiq->ring;
unsigned long flags;
if (adev->enable_mes)
return -EINVAL;
if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
return -EINVAL;