On 2023-06-04 06:13:08, Dmitry Baryshkov wrote:
> Currently the driver passes the PINGPONG index to
> dpu_hw_wb_ops::bind_pingpong_blk() callback and uses separate boolean
> flag to tell whether WB should be bound or unbound. Simplify this by
> passing PINGPONG_NONE in case of unbinding and drop the flag completely.
>
> Suggested-by: Marijn Suijten <marijn.suij...@somainline.org>
> Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suij...@somainline.org>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +--
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 2 +-
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 4 ++--
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.h | 2 +-
> 4 files changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 3e543d664c98..493905a5b63a 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -2080,8 +2080,7 @@ void dpu_encoder_helper_phys_cleanup(struct
> dpu_encoder_phys *phys_enc)
> if (phys_enc->hw_wb) {
> /* disable the PP block */
> if (phys_enc->hw_wb->ops.bind_pingpong_blk)
> - phys_enc->hw_wb->ops.bind_pingpong_blk(phys_enc->hw_wb,
> false,
> - phys_enc->hw_pp->idx);
> + phys_enc->hw_wb->ops.bind_pingpong_blk(phys_enc->hw_wb,
> PINGPONG_NONE);
>
> /* mark WB flush as pending */
> if (phys_enc->hw_ctl->ops.update_pending_flush_wb)
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> index e9325cafb1a8..a466ff70a4d6 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
> @@ -210,7 +210,7 @@ static void dpu_encoder_phys_wb_setup_cdp(struct
> dpu_encoder_phys *phys_enc)
>
> /* setup which pp blk will connect to this wb */
> if (hw_pp && phys_enc->hw_wb->ops.bind_pingpong_blk)
> - phys_enc->hw_wb->ops.bind_pingpong_blk(phys_enc->hw_wb,
> true,
> + phys_enc->hw_wb->ops.bind_pingpong_blk(phys_enc->hw_wb,
> phys_enc->hw_pp->idx);
>
> phys_enc->hw_ctl->ops.setup_intf_cfg(phys_enc->hw_ctl,
> &intf_cfg);
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
> index dcffd6cc47fc..ebc416400382 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
> @@ -154,7 +154,7 @@ static void dpu_hw_wb_setup_cdp(struct dpu_hw_wb *ctx,
>
> static void dpu_hw_wb_bind_pingpong_blk(
> struct dpu_hw_wb *ctx,
> - bool enable, const enum dpu_pingpong pp)
> + const enum dpu_pingpong pp)
> {
> struct dpu_hw_blk_reg_map *c;
> int mux_cfg;
> @@ -167,7 +167,7 @@ static void dpu_hw_wb_bind_pingpong_blk(
> mux_cfg = DPU_REG_READ(c, WB_MUX);
> mux_cfg &= ~0xf;
>
> - if (enable)
> + if (pp)
> mux_cfg |= (pp - PINGPONG_0) & 0x7;
> else
> mux_cfg |= 0xf;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.h
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.h
> index c7f792eeb55c..2d7db2efa3d0 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.h
> @@ -49,7 +49,7 @@ struct dpu_hw_wb_ops {
> bool enable);
>
> void (*bind_pingpong_blk)(struct dpu_hw_wb *ctx,
> - bool enable, const enum dpu_pingpong pp);
> + const enum dpu_pingpong pp);
> };
>
> /**
> --
> 2.39.2
>
