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Fri, 11 Nov 2016 11:59:02 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c5AU2-0004bO-1z; Fri, 11 Nov 2016 11:59:02 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c5ASE-0002x0-T9; Fri, 11 Nov 2016 11:57:16 +0000 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 880254442; Fri, 11 Nov 2016 19:56:46 +0800 Received: from mtkslt301.mediatek.inc (10.21.14.114) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Fri, 11 Nov 2016 19:56:45 +0800 From: YT Shen To: , Philipp Zabel Subject: [PATCH v9 06/10] drm/mediatek: cleaning up and refine Date: Fri, 11 Nov 2016 19:55:42 +0800 Message-ID: <1478865346-19043-7-git-send-email-yt.shen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1478865346-19043-1-git-send-email-yt.shen@mediatek.com> References: <1478865346-19043-1-git-send-email-yt.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161111_035711_496964_AA9342D2 X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Daniel Vetter , Chris Wilson , Thierry Reding , Boris Brezillon , Jie Qiu , Mao Huang , Bibby Hsieh , YT Shen , yingjoe.chen@mediatek.com, Dan Carpenter , Jitao Shi , CK Hu , linux-mediatek@lists.infradead.org, Matthias Brugger , shaoming chen , linux-arm-kernel@lists.infradead.org, srv_heupstream@mediatek.com, emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, Sascha Hauer , Maxime Ripard Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP cleaning up unused define and refine function name and variable Signed-off-by: shaoming chen Signed-off-by: YT Shen --- drivers/gpu/drm/mediatek/mtk_dsi.c | 77 ++++++++++++++++------------------ drivers/gpu/drm/mediatek/mtk_mipi_tx.c | 8 ++-- 2 files changed, 41 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 28b2044..4efeb38 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) @@ -158,11 +155,11 @@ 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; - unsigned int ui, cycle_time; - unsigned int lpx; + u32 ui, cycle_time; + u32 lpx; ui = 1000 / dsi->data_rate + 0x01; cycle_time = 8000 / dsi->data_rate + 0x01; @@ -192,7 +189,7 @@ 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); @@ -235,8 +232,8 @@ 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; @@ -249,33 +246,33 @@ 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; @@ -283,15 +280,15 @@ 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; @@ -306,7 +303,7 @@ 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; @@ -340,7 +337,7 @@ 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; @@ -365,9 +362,9 @@ 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) { @@ -397,12 +394,12 @@ 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; @@ -431,7 +428,7 @@ 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) @@ -448,8 +445,8 @@ 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); @@ -479,18 +476,18 @@ 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 935a8ef..108d31a 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);