From 11752c013f562a1124088a35bd314aa0e9f0e88f Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Thu, 18 Jul 2024 16:38:50 +0800 Subject: drm/amdgpu/mes: fix mes ring buffer overflow wait memory room until enough before writing mes packets to avoid ring buffer overflow. v2: squash in sched_hw_submission fix Fixes: de3246254156 ("drm/amdgpu: cleanup MES11 command submission") Fixes: fffe347e1478 ("drm/amdgpu: cleanup MES12 command submission") Signed-off-by: Jack Xiao Acked-by: Alex Deucher Signed-off-by: Alex Deucher (cherry picked from commit 34e087e8920e635c62e2ed6a758b0cd27f836d13) Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index ad49cecb20b8..e6344a6b0a9f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -212,6 +212,8 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, */ if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ) sched_hw_submission = max(sched_hw_submission, 256); + if (ring->funcs->type == AMDGPU_RING_TYPE_MES) + sched_hw_submission = 8; else if (ring == &adev->sdma.instance[0].page) sched_hw_submission = 256; -- cgit