Re: [PATCH] drm/mediatek: enable dither function

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Hi, Hsin-Yi:

Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> 於 2021年2月1日 週一 上午12:20寫道:
>
> Hi, Hsin-Yi:
>
> Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> 於 2021年1月31日 週日 下午1:11寫道:
> >
> > From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> >
> > Enable dither function to improve the display quality.
>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
>

Applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

> >
> > Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> > Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
> > ---
> > Previous version:
> > https://patchwork.kernel.org/project/linux-mediatek/patch/20210129092209.2584718-7-hsinyi@xxxxxxxxxxxx/
> > ---
> >  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 9 +++++++--
> >  1 file changed, 7 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > index c730029ac8fc7..0444b429daf00 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> > @@ -53,6 +53,7 @@
> >  #define DITHER_EN                              BIT(0)
> >  #define DISP_DITHER_CFG                                0x0020
> >  #define DITHER_RELAY_MODE                      BIT(0)
> > +#define DITHER_ENGINE_EN                       BIT(1)
> >  #define DISP_DITHER_SIZE                       0x0030
> >
> >  #define LUT_10BIT_MASK                         0x03ff
> > @@ -315,8 +316,12 @@ static void mtk_dither_config(struct device *dev, unsigned int w,
> >  {
> >         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
> >
> > -       mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_DITHER_SIZE);
> > -       mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs, DISP_DITHER_CFG);
> > +       mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs,
> > +                     DISP_DITHER_SIZE);
> > +       mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,
> > +                     DISP_DITHER_CFG);
> > +       mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_DITHER_CFG,
> > +                             DITHER_ENGINE_EN, cmdq_pkt);
> >  }
> >
> >  static void mtk_dither_start(struct device *dev)
> > --
> > 2.30.0.365.g02bc693789-goog
> >
> >
> > _______________________________________________
> > Linux-mediatek mailing list
> > Linux-mediatek@xxxxxxxxxxxxxxxxxxx
> > http://lists.infradead.org/mailman/listinfo/linux-mediatek




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