Re: [PATCH v11 12/16] drm/mediatek: rename the define of register offset

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Hi, Jason:

jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx> 於 2021年9月21日 週二 下午11:52寫道:
>
> Add DISP_REG prefix for the define of register offset to
> make the difference from the define of register value.

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>

>
> Signed-off-by: jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx>
> ---
> rebase on series [1]
>
> [1] drm/mediatek: add support for mediatek SOC MT8192
> - https://patchwork.kernel.org/project/linux-mediatek/list/?series=529489
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 61 +++++++++++----------
>  1 file changed, 31 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 839ffae3019c..b46bc0f5d1a5 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -20,32 +20,32 @@
>  #include "mtk_drm_ddp_comp.h"
>  #include "mtk_drm_crtc.h"
>
> -#define DISP_OD_EN                             0x0000
> -#define DISP_OD_CFG                            0x0020
> -#define DISP_OD_SIZE                           0x0030
> -#define DISP_DITHER_5                          0x0114
> -#define DISP_DITHER_7                          0x011c
> -#define DISP_DITHER_15                         0x013c
> -#define DISP_DITHER_16                         0x0140
> +#define DISP_REG_OD_EN                         0x0000
> +#define DISP_REG_OD_CFG                                0x0020
> +#define DISP_REG_OD_SIZE                       0x0030
> +#define DISP_REG_DITHER_5                      0x0114
> +#define DISP_REG_DITHER_7                      0x011c
> +#define DISP_REG_DITHER_15                     0x013c
> +#define DISP_REG_DITHER_16                     0x0140
>
>  #define DISP_REG_UFO_START                     0x0000
>
> -#define DISP_DITHER_EN                         0x0000
> +#define DISP_REG_DITHER_EN                     0x0000
>  #define DITHER_EN                              BIT(0)
> -#define DISP_DITHER_CFG                                0x0020
> +#define DISP_REG_DITHER_CFG                    0x0020
>  #define DITHER_RELAY_MODE                      BIT(0)
>  #define DITHER_ENGINE_EN                       BIT(1)
> -#define DISP_DITHER_SIZE                       0x0030
> +#define DISP_REG_DITHER_SIZE                   0x0030
>
>  #define OD_RELAYMODE                           BIT(0)
>
>  #define UFO_BYPASS                             BIT(2)
>
> -#define DISP_POSTMASK_EN                       0x0000
> +#define DISP_REG_POSTMASK_EN                   0x0000
>  #define POSTMASK_EN                            BIT(0)
> -#define DISP_POSTMASK_CFG                      0x0020
> +#define DISP_REG_POSTMASK_CFG                  0x0020
>  #define POSTMASK_RELAY_MODE                    BIT(0)
> -#define DISP_POSTMASK_SIZE                     0x0030
> +#define DISP_REG_POSTMASK_SIZE                 0x0030
>
>  #define DISP_DITHERING                         BIT(2)
>  #define DITHER_LSB_ERR_SHIFT_R(x)              (((x) & 0x7) << 28)
> @@ -130,19 +130,19 @@ void mtk_dither_set_common(void __iomem *regs, struct cmdq_client_reg *cmdq_reg,
>                 return;
>
>         if (bpc >= MTK_MIN_BPC) {
> -               mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_DITHER_5);
> -               mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_DITHER_7);
> +               mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_REG_DITHER_5);
> +               mtk_ddp_write(cmdq_pkt, 0, cmdq_reg, regs, DISP_REG_DITHER_7);
>                 mtk_ddp_write(cmdq_pkt,
>                               DITHER_LSB_ERR_SHIFT_R(MTK_MAX_BPC - bpc) |
>                               DITHER_ADD_LSHIFT_R(MTK_MAX_BPC - bpc) |
>                               DITHER_NEW_BIT_MODE,
> -                             cmdq_reg, regs, DISP_DITHER_15);
> +                             cmdq_reg, regs, DISP_REG_DITHER_15);
>                 mtk_ddp_write(cmdq_pkt,
>                               DITHER_LSB_ERR_SHIFT_B(MTK_MAX_BPC - bpc) |
>                               DITHER_ADD_LSHIFT_B(MTK_MAX_BPC - bpc) |
>                               DITHER_LSB_ERR_SHIFT_G(MTK_MAX_BPC - bpc) |
>                               DITHER_ADD_LSHIFT_G(MTK_MAX_BPC - bpc),
> -                             cmdq_reg, regs, DISP_DITHER_16);
> +                             cmdq_reg, regs, DISP_REG_DITHER_16);
>                 mtk_ddp_write(cmdq_pkt, dither_en, cmdq_reg, regs, cfg);
>         }
>  }
> @@ -162,16 +162,16 @@ static void mtk_od_config(struct device *dev, unsigned int w,
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_OD_SIZE);
> -       mtk_ddp_write(cmdq_pkt, OD_RELAYMODE, &priv->cmdq_reg, priv->regs, DISP_OD_CFG);
> -       mtk_dither_set(dev, bpc, DISP_OD_CFG, cmdq_pkt);
> +       mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_REG_OD_SIZE);
> +       mtk_ddp_write(cmdq_pkt, OD_RELAYMODE, &priv->cmdq_reg, priv->regs, DISP_REG_OD_CFG);
> +       mtk_dither_set(dev, bpc, DISP_REG_OD_CFG, cmdq_pkt);
>  }
>
>  static void mtk_od_start(struct device *dev)
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       writel(1, priv->regs + DISP_OD_EN);
> +       writel(1, priv->regs + DISP_REG_OD_EN);
>  }
>
>  static void mtk_ufoe_start(struct device *dev)
> @@ -188,23 +188,23 @@ static void mtk_postmask_config(struct device *dev, unsigned int w,
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
>         mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs,
> -                     DISP_POSTMASK_SIZE);
> +                     DISP_REG_POSTMASK_SIZE);
>         mtk_ddp_write(cmdq_pkt, POSTMASK_RELAY_MODE, &priv->cmdq_reg,
> -                     priv->regs, DISP_POSTMASK_CFG);
> +                     priv->regs, DISP_REG_POSTMASK_CFG);
>  }
>
>  static void mtk_postmask_start(struct device *dev)
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       writel(POSTMASK_EN, priv->regs + DISP_POSTMASK_EN);
> +       writel(POSTMASK_EN, priv->regs + DISP_REG_POSTMASK_EN);
>  }
>
>  static void mtk_postmask_stop(struct device *dev)
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       writel_relaxed(0x0, priv->regs + DISP_POSTMASK_EN);
> +       writel_relaxed(0x0, priv->regs + DISP_REG_POSTMASK_EN);
>  }
>
>  static void mtk_dither_config(struct device *dev, unsigned int w,
> @@ -213,9 +213,10 @@ 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_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_DITHER_CFG,
> +       mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
> +       mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,
> +                     DISP_REG_DITHER_CFG);
> +       mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_REG_DITHER_CFG,
>                               DITHER_ENGINE_EN, cmdq_pkt);
>  }
>
> @@ -223,14 +224,14 @@ static void mtk_dither_start(struct device *dev)
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       writel(DITHER_EN, priv->regs + DISP_DITHER_EN);
> +       writel(DITHER_EN, priv->regs + DISP_REG_DITHER_EN);
>  }
>
>  static void mtk_dither_stop(struct device *dev)
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       writel_relaxed(0x0, priv->regs + DISP_DITHER_EN);
> +       writel_relaxed(0x0, priv->regs + DISP_REG_DITHER_EN);
>  }
>
>  static const struct mtk_ddp_comp_funcs ddp_aal = {
> --
> 2.18.0
>




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