[PATCH 1/2] drm/msm/dpu: add dpu_crtc_atomic_print_state

[Stephen Boyd]

Quoting Dmitry Baryshkov (2021-12-15 08:09:11)
> Implement CRTC's atomic_print_state() callback, printing DPU-specific
> CRTC state (LM, CTL and DSPP ids).
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index 59b1bcfbe8c0..df128a680697 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -924,6 +924,20 @@ static struct drm_crtc_state *dpu_crtc_duplicate_state(struct drm_crtc *crtc)
>         return &cstate->base;
>  }
>
> +static void dpu_crtc_atomic_print_state(struct drm_printer *p,
> +                                       const struct drm_crtc_state *state)
> +{
> +       struct dpu_crtc_state *cstate = to_dpu_crtc_state(state);

const? Then we know at a glance that this isn't changing the state.

Reviewed-by: Stephen Boyd <swboyd at chromium.org>