[PATCH v3 0/2] Stabilize use of vblank_refcount
Paloma Arellano
quic_parellan at quicinc.com
Fri Dec 1 20:11:39 UTC 2023
On 11/30/2023 11:41 PM, Dmitry Baryshkov wrote:
> On Fri, 1 Dec 2023 at 03:41, Paloma Arellano <quic_parellan at quicinc.com> wrote:
>> There is currently a race condition occuring when accessing
>> vblank_refcount. Therefore, vblank irq timeouts may occur.
>>
>> Avoid any vblank irq timeouts by stablizing the use of vblank_refcount.
>>
>> Changes from prior versions:
>> v2: - Slightly changed wording of patch #2 commit message
>> v3: - Mistakenly did not change wording of patch #2 in last version.
>> It is done now.
> Usually sending a series once a day is enough. If you have any pending
> changes, it might be better to reply to your patch stating that you
> want to do this and that, while still allowing reviewers to respond
> (and thus you can incorporate their review in the next iteration).
Ack. Good to know.
Thank you,
Paloma
>> Paloma Arellano (2):
>> drm/msm/dpu: Modify vblank_refcount if error in callback
>> drm/msm/dpu: Add mutex lock in control vblank irq
>>
>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 ++++++
>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 6 ++++++
>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 11 +++++++++--
>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 11 +++++++++--
>> 4 files changed, 30 insertions(+), 4 deletions(-)
>>
>> --
>> 2.41.0
>>
>
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