On Fri, 1 Dec 2023 at 03:41, Paloma Arellano <quic_parel...@quicinc.com> wrote: > > When the irq callback returns a value other than zero, > modify vblank_refcount by performing the inverse > operation of its corresponding if-else condition.
I think it might be better to follow Bjorn's suggestion: once we have the lock, we don't need atomics at all. Then you rearrange the code to set the new value after getting return code from dpu_core_irq_register_callback() / dpu_core_irq_unregister_callback(). > > Signed-off-by: Paloma Arellano <quic_parel...@quicinc.com> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 9 +++++++-- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 9 +++++++-- > 2 files changed, 14 insertions(+), 4 deletions(-) -- With best wishes Dmitry
