From: Alex Deucher <alexander.deucher@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH] drm/amdgpu/gfx11: return early in preempt_ib()
Date: Wed, 14 Aug 2024 09:20:00 -0400 [thread overview]
Message-ID: <20240814132000.670048-1-alexander.deucher@amd.com> (raw)
When MES is enabled KIQ is not available. Return an error
when someone uses the debugfs preempt test interface in
that case.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 22bb35278691..cbeddb88c936 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5920,6 +5920,9 @@ static int gfx_v11_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;
--
2.46.0
reply other threads:[~2024-08-14 13:20 UTC|newest]
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