Re: [PATCH v4 1/1] drm/msm/dpu: Add mutex lock in control vblank irq

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 13 Dec 2023 at 01:11, Paloma Arellano <quic_parellan@xxxxxxxxxxx> wrote:
>
> Add a mutex lock to control vblank irq to synchronize vblank
> enable/disable operations happening from different threads to prevent
> race conditions while registering/unregistering the vblank irq callback.
>
> v4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a
>     parameter of dpu_encoder_phys.
>     -Switch from atomic refcnt to a simple int counter as mutex has
>     now been added
> v3: Mistakenly did not change wording in last version. It is done now.
> v2: Slightly changed wording of commit message
>
> Signed-off-by: Paloma Arellano <quic_parellan@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c   |  1 -
>  .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h  |  4 ++-
>  .../drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c  | 32 ++++++++++++------
>  .../drm/msm/disp/dpu1/dpu_encoder_phys_vid.c  | 33 ++++++++++++-------
>  4 files changed, 47 insertions(+), 23 deletions(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

-- 
With best wishes
Dmitry



[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux