Re: [PATCH v11 07/12] drm/mediatek: cleaning up and refine

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Hi, YT:

On Wed, 2017-01-11 at 14:51 +0800, YT Shen wrote:
> cleaning up unused define and refine function name and variable
> 
> Signed-off-by: shaoming chen <shaoming.chen@xxxxxxxxxxxx>
> Signed-off-by: YT Shen <yt.shen@xxxxxxxxxxxx>

Acked-by: CK Hu <ck.hu@xxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c     | 73 ++++++++++++++++------------------
>  drivers/gpu/drm/mediatek/mtk_mipi_tx.c |  8 ++--
>  2 files changed, 39 insertions(+), 42 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 2c42f90..6f4b3bb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -27,9 +27,6 @@
>  
>  #include "mtk_drm_ddp_comp.h"
>  
> -#define DSI_VIDEO_FIFO_DEPTH	(1920 / 4)
> -#define DSI_HOST_FIFO_DEPTH	64
> -
>  #define DSI_START		0x00
>  
>  #define DSI_CON_CTRL		0x10
> @@ -46,7 +43,7 @@
>  #define MIX_MODE			BIT(17)
>  
>  #define DSI_TXRX_CTRL		0x18
> -#define VC_NUM				(2 << 0)
> +#define VC_NUM				BIT(1)
>  #define LANE_NUM			(0xf << 2)
>  #define DIS_EOT				BIT(6)
>  #define NULL_EN				BIT(7)
> @@ -164,7 +161,7 @@ static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data)
>  	writel((temp & ~mask) | (data & mask), dsi->regs + offset);
>  }
>  
> -static void dsi_phy_timconfig(struct mtk_dsi *dsi)
> +static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi)
>  {
>  	u32 timcon0, timcon1, timcon2, timcon3;
>  	u32 ui, cycle_time;
> @@ -196,7 +193,7 @@ static void mtk_dsi_disable(struct mtk_dsi *dsi)
>  	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, 0);
>  }
>  
> -static void mtk_dsi_reset(struct mtk_dsi *dsi)
> +static void mtk_dsi_reset_engine(struct mtk_dsi *dsi)
>  {
>  	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, DSI_RESET);
>  	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, 0);
> @@ -267,8 +264,8 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi)
>  	}
>  
>  	mtk_dsi_enable(dsi);
> -	mtk_dsi_reset(dsi);
> -	dsi_phy_timconfig(dsi);
> +	mtk_dsi_reset_engine(dsi);
> +	mtk_dsi_phy_timconfig(dsi);
>  
>  	return 0;
>  
> @@ -281,33 +278,33 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi)
>  	return ret;
>  }
>  
> -static void dsi_clk_ulp_mode_enter(struct mtk_dsi *dsi)
> +static void mtk_dsi_clk_ulp_mode_enter(struct mtk_dsi *dsi)
>  {
>  	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0);
>  	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0);
>  }
>  
> -static void dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi)
> +static void mtk_dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi)
>  {
>  	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0);
>  	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, LC_WAKEUP_EN);
>  	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, 0);
>  }
>  
> -static void dsi_lane0_ulp_mode_enter(struct mtk_dsi *dsi)
> +static void mtk_dsi_lane0_ulp_mode_enter(struct mtk_dsi *dsi)
>  {
>  	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_HS_TX_EN, 0);
>  	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0);
>  }
>  
> -static void dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)
> +static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)
>  {
>  	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0);
>  	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, LD0_WAKEUP_EN);
>  	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, 0);
>  }
>  
> -static bool dsi_clk_hs_state(struct mtk_dsi *dsi)
> +static bool mtk_dsi_clk_hs_state(struct mtk_dsi *dsi)
>  {
>  	u32 tmp_reg1;
>  
> @@ -315,15 +312,15 @@ static bool dsi_clk_hs_state(struct mtk_dsi *dsi)
>  	return ((tmp_reg1 & LC_HS_TX_EN) == 1) ? true : false;
>  }
>  
> -static void dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter)
> +static void mtk_dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter)
>  {
> -	if (enter && !dsi_clk_hs_state(dsi))
> +	if (enter && !mtk_dsi_clk_hs_state(dsi))
>  		mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, LC_HS_TX_EN);
> -	else if (!enter && dsi_clk_hs_state(dsi))
> +	else if (!enter && mtk_dsi_clk_hs_state(dsi))
>  		mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0);
>  }
>  
> -static void dsi_set_mode(struct mtk_dsi *dsi)
> +static void mtk_dsi_set_mode(struct mtk_dsi *dsi)
>  {
>  	u32 vid_mode = CMD_MODE;
>  
> @@ -338,7 +335,7 @@ static void dsi_set_mode(struct mtk_dsi *dsi)
>  	writel(vid_mode, dsi->regs + DSI_MODE_CTRL);
>  }
>  
> -static void dsi_ps_control_vact(struct mtk_dsi *dsi)
> +static void mtk_dsi_ps_control_vact(struct mtk_dsi *dsi)
>  {
>  	struct videomode *vm = &dsi->vm;
>  	u32 dsi_buf_bpp, ps_wc;
> @@ -372,7 +369,7 @@ static void dsi_ps_control_vact(struct mtk_dsi *dsi)
>  	writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC);
>  }
>  
> -static void dsi_rxtx_control(struct mtk_dsi *dsi)
> +static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
>  {
>  	u32 tmp_reg;
>  
> @@ -397,9 +394,9 @@ static void dsi_rxtx_control(struct mtk_dsi *dsi)
>  	writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL);
>  }
>  
> -static void dsi_ps_control(struct mtk_dsi *dsi)
> +static void mtk_dsi_ps_control(struct mtk_dsi *dsi)
>  {
> -	unsigned int dsi_tmp_buf_bpp;
> +	u32 dsi_tmp_buf_bpp;
>  	u32 tmp_reg;
>  
>  	switch (dsi->format) {
> @@ -429,12 +426,12 @@ static void dsi_ps_control(struct mtk_dsi *dsi)
>  	writel(tmp_reg, dsi->regs + DSI_PSCTRL);
>  }
>  
> -static void dsi_config_vdo_timing(struct mtk_dsi *dsi)
> +static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
>  {
> -	unsigned int horizontal_sync_active_byte;
> -	unsigned int horizontal_backporch_byte;
> -	unsigned int horizontal_frontporch_byte;
> -	unsigned int dsi_tmp_buf_bpp;
> +	u32 horizontal_sync_active_byte;
> +	u32 horizontal_backporch_byte;
> +	u32 horizontal_frontporch_byte;
> +	u32 dsi_tmp_buf_bpp;
>  
>  	struct videomode *vm = &dsi->vm;
>  
> @@ -463,7 +460,7 @@ static void dsi_config_vdo_timing(struct mtk_dsi *dsi)
>  	writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC);
>  	writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC);
>  
> -	dsi_ps_control(dsi);
> +	mtk_dsi_ps_control(dsi);
>  }
>  
>  static void mtk_dsi_start(struct mtk_dsi *dsi)
> @@ -480,8 +477,8 @@ static void mtk_dsi_poweroff(struct mtk_dsi *dsi)
>  	if (--dsi->refcount != 0)
>  		return;
>  
> -	dsi_lane0_ulp_mode_enter(dsi);
> -	dsi_clk_ulp_mode_enter(dsi);
> +	mtk_dsi_lane0_ulp_mode_enter(dsi);
> +	mtk_dsi_clk_ulp_mode_enter(dsi);
>  
>  	mtk_dsi_disable(dsi);
>  
> @@ -511,18 +508,18 @@ static void mtk_output_dsi_enable(struct mtk_dsi *dsi)
>  		return;
>  	}
>  
> -	dsi_rxtx_control(dsi);
> +	mtk_dsi_rxtx_control(dsi);
>  
> -	dsi_clk_ulp_mode_leave(dsi);
> -	dsi_lane0_ulp_mode_leave(dsi);
> -	dsi_clk_hs_mode(dsi, 0);
> -	dsi_set_mode(dsi);
> +	mtk_dsi_clk_ulp_mode_leave(dsi);
> +	mtk_dsi_lane0_ulp_mode_leave(dsi);
> +	mtk_dsi_clk_hs_mode(dsi, 0);
> +	mtk_dsi_set_mode(dsi);
>  
> -	dsi_ps_control_vact(dsi);
> -	dsi_config_vdo_timing(dsi);
> +	mtk_dsi_ps_control_vact(dsi);
> +	mtk_dsi_config_vdo_timing(dsi);
>  
> -	dsi_set_mode(dsi);
> -	dsi_clk_hs_mode(dsi, 1);
> +	mtk_dsi_set_mode(dsi);
> +	mtk_dsi_clk_hs_mode(dsi, 1);
>  
>  	mtk_dsi_start(dsi);
>  
> diff --git a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
> index c4a0165..fd84914 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
> @@ -134,7 +134,7 @@ struct mtk_mipitx_data {
>  struct mtk_mipi_tx {
>  	struct device *dev;
>  	void __iomem *regs;
> -	unsigned int data_rate;
> +	u32 data_rate;
>  	const struct mtk_mipitx_data *driver_data;
>  	struct clk_hw pll_hw;
>  	struct clk *pll;
> @@ -172,7 +172,7 @@ static void mtk_mipi_tx_update_bits(struct mtk_mipi_tx *mipi_tx, u32 offset,
>  static int mtk_mipi_tx_pll_prepare(struct clk_hw *hw)
>  {
>  	struct mtk_mipi_tx *mipi_tx = mtk_mipi_tx_from_clk_hw(hw);
> -	unsigned int txdiv, txdiv0, txdiv1;
> +	u8 txdiv, txdiv0, txdiv1;
>  	u64 pcw;
>  
>  	dev_dbg(mipi_tx->dev, "prepare: %u Hz\n", mipi_tx->data_rate);
> @@ -326,7 +326,7 @@ static unsigned long mtk_mipi_tx_pll_recalc_rate(struct clk_hw *hw,
>  static int mtk_mipi_tx_power_on_signal(struct phy *phy)
>  {
>  	struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
> -	unsigned int reg;
> +	u32 reg;
>  
>  	for (reg = MIPITX_DSI_CLOCK_LANE;
>  	     reg <= MIPITX_DSI_DATA_LANE3; reg += 4)
> @@ -357,7 +357,7 @@ static int mtk_mipi_tx_power_on(struct phy *phy)
>  static void mtk_mipi_tx_power_off_signal(struct phy *phy)
>  {
>  	struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
> -	unsigned int reg;
> +	u32 reg;
>  
>  	mtk_mipi_tx_set_bits(mipi_tx, MIPITX_DSI_TOP_CON,
>  			     RG_DSI_PAD_TIE_LOW_EN);


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