[PATCH v2 32/38] drm/msm: add support for non-blocking commits

Yongxing Mou quic_yongmou at quicinc.com
Thu Aug 14 08:54:16 UTC 2025



On 2025/6/9 22:50, Dmitry Baryshkov wrote:
> On Mon, Jun 09, 2025 at 08:21:51PM +0800, Yongxing Mou wrote:
>> From: Abhinav Kumar <quic_abhinavk at quicinc.com>
>>
>> Hook up the mst framework APIs with atomic_commit_setup() and
>> atomic_commit_tail() APIs to handle non-blocking commits.
> 
> Were non-blocking commits not supported before this patch?
> 
This patch only work for MST case. and for SST case, i'm not sure.  I 
see commit_tail() called drm_atomic_helper_wait_for_dependencies() in 
DRM codes.. Hopefully this can answer your question.
>>
>> Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
>> ---
>>   drivers/gpu/drm/msm/msm_atomic.c | 3 +++
>>   drivers/gpu/drm/msm/msm_kms.c    | 2 ++
>>   2 files changed, 5 insertions(+)
>>
> 



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