Re: [PATCH 2/7] drm/msm/dpu: convert vsync source defines to the enum

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On Wed, 22 May 2024 at 21:41, Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> wrote:
>
>
>
> On 5/20/2024 5:12 AM, Dmitry Baryshkov wrote:
> > Add enum dpu_vsync_source instead of a series of defines. Use this enum
> > to pass vsync information.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > ---
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c |  2 +-
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c |  2 +-
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h |  2 +-
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 26 ++++++++++++++------------
> >   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h  |  2 +-
> >   5 files changed, 18 insertions(+), 16 deletions(-)
> >

> > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
> > index 66759623fc42..a2eff36a2224 100644
> > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
> > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
> > @@ -54,18 +54,20 @@
> >   #define DPU_BLEND_BG_INV_MOD_ALPHA  (1 << 12)
> >   #define DPU_BLEND_BG_TRANSP_EN              (1 << 13)
> >
> > -#define DPU_VSYNC0_SOURCE_GPIO               0
> > -#define DPU_VSYNC1_SOURCE_GPIO               1
> > -#define DPU_VSYNC2_SOURCE_GPIO               2
> > -#define DPU_VSYNC_SOURCE_INTF_0              3
> > -#define DPU_VSYNC_SOURCE_INTF_1              4
> > -#define DPU_VSYNC_SOURCE_INTF_2              5
> > -#define DPU_VSYNC_SOURCE_INTF_3              6
> > -#define DPU_VSYNC_SOURCE_WD_TIMER_4  11
> > -#define DPU_VSYNC_SOURCE_WD_TIMER_3  12
> > -#define DPU_VSYNC_SOURCE_WD_TIMER_2  13
> > -#define DPU_VSYNC_SOURCE_WD_TIMER_1  14
> > -#define DPU_VSYNC_SOURCE_WD_TIMER_0  15
> > +enum dpu_vsync_source {
> > +     DPU_VSYNC_SOURCE_GPIO_0,
> > +     DPU_VSYNC_SOURCE_GPIO_1,
> > +     DPU_VSYNC_SOURCE_GPIO_2,
> > +     DPU_VSYNC_SOURCE_INTF_0 = 3,
>
> Do we need this assignment to 3?

It is redundant, but it points out that if at some point another GPIO
is added, it should go to the end (or to some other place, having the
proper value).

>
> Rest LGTM,
>
> Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>

-- 
With best wishes
Dmitry



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