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| author | Alex Deucher <alexander.deucher@amd.com> | 2024-08-20 13:11:22 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-23 10:53:25 -0400 |
| commit | 40318a2406bd426c6f4591269669c04e8eda571d (patch) | |
| tree | f71f8bc31cc5876005e23cccf389ed6492d4ffd4 /drivers/gpu/drm/amd/amdkfd | |
| parent | b05d6476ae2dde8eb447f907ab689083499edeaa (diff) | |
| download | lwn-40318a2406bd426c6f4591269669c04e8eda571d.tar.gz lwn-40318a2406bd426c6f4591269669c04e8eda571d.zip | |
drm/amdgpu/gfx12: set UNORD_DISPATCH in compute MQDs
This needs to be set to 1 to avoid a potential deadlock in
the GC 10.x and newer. On GC 9.x and older, this needs
to be set to 0. This can lead to hangs in some mixed
graphics and compute workloads.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3575
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c index b7a08e7a4423..d163d92a692f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c @@ -187,6 +187,7 @@ static void update_mqd(struct mqd_manager *mm, void *mqd, m->cp_hqd_pq_control = 5 << CP_HQD_PQ_CONTROL__RPTR_BLOCK_SIZE__SHIFT; m->cp_hqd_pq_control |= ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1; + m->cp_hqd_pq_control |= CP_HQD_PQ_CONTROL__UNORD_DISPATCH_MASK; pr_debug("cp_hqd_pq_control 0x%x\n", m->cp_hqd_pq_control); m->cp_hqd_pq_base_lo = lower_32_bits((uint64_t)q->queue_address >> 8); |