From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751294AbdAWRaK (ORCPT ); Mon, 23 Jan 2017 12:30:10 -0500 Received: from mail-qt0-f178.google.com ([209.85.216.178]:33353 "EHLO mail-qt0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750732AbdAWRaJ (ORCPT ); Mon, 23 Jan 2017 12:30:09 -0500 Date: Mon, 23 Jan 2017 12:30:06 -0500 From: Sean Paul To: Chris Zhong Cc: dianders@chromium.org, tfiga@chromium.org, heiko@sntech.de, yzq@rock-chips.com, mark.rutland@arm.com, devicetree@vger.kernel.org, robh+dt@kernel.org, galak@codeaurora.org, pawel.moll@arm.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 2/5] drm/rockchip/dsi: dw-mipi: support RK3399 mipi dsi Message-ID: <20170123173006.GA25789@trickycodes.roam.corp.google.com> References: <1484907051-7159-1-git-send-email-zyw@rock-chips.com> <1484907051-7159-3-git-send-email-zyw@rock-chips.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1484907051-7159-3-git-send-email-zyw@rock-chips.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 20, 2017 at 06:10:48PM +0800, Chris Zhong wrote: > The vopb/vopl switch register of RK3399 mipi is different from RK3288, > the default setting for mipi dsi mode is different too, so add a > of_device_id structure to distinguish them, and make sure set the > correct mode before mipi phy init. > Hi Chris, There are a bunch of unrelated changes in this patch. Can you please split out the whitespace/const changes into a separate clean-up patch so it's easier to see the meaningful changes? More comments below. > Signed-off-by: Chris Zhong > Signed-off-by: Mark Yao > --- > > Changes in v3: > - base on John Keeping's patch series > > drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 101 ++++++++++++++++++++++++--------- > 1 file changed, 74 insertions(+), 27 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > index 45af890..a93ce97 100644 > --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > @@ -29,9 +29,17 @@ > > #define DRIVER_NAME "dw-mipi-dsi" > > -#define GRF_SOC_CON6 0x025c > -#define DSI0_SEL_VOP_LIT (1 << 6) > -#define DSI1_SEL_VOP_LIT (1 << 9) > +#define RK3288_GRF_SOC_CON6 0x025c > +#define RK3288_DSI0_SEL_VOP_LIT BIT(6) > +#define RK3288_DSI1_SEL_VOP_LIT BIT(9) > + > +#define RK3399_GRF_SOC_CON19 0x6250 > +#define RK3399_DSI0_SEL_VOP_LIT BIT(0) > +#define RK3399_DSI1_SEL_VOP_LIT BIT(4) > + > +/* disable turnrequest, turndisable, forcetxstopmode, forcerxmode */ > +#define RK3399_GRF_SOC_CON22 0x6258 > +#define RK3399_GRF_DSI_MODE 0xffff0000 > > #define DSI_VERSION 0x00 > #define DSI_PWR_UP 0x04 > @@ -149,7 +157,6 @@ > #define LPRX_TO_CNT(p) ((p) & 0xffff) > > #define DSI_BTA_TO_CNT 0x8c > - Unrelated whitespace change > #define DSI_LPCLK_CTRL 0x94 > #define AUTO_CLKLANE_CTRL BIT(1) > #define PHY_TXREQUESTCLKHS BIT(0) > @@ -215,11 +222,11 @@ > > #define HSFREQRANGE_SEL(val) (((val) & 0x3f) << 1) > > -#define INPUT_DIVIDER(val) ((val - 1) & 0x7f) > +#define INPUT_DIVIDER(val) (((val) - 1) & 0x7f) Unrelated change > #define LOW_PROGRAM_EN 0 > #define HIGH_PROGRAM_EN BIT(7) > -#define LOOP_DIV_LOW_SEL(val) ((val - 1) & 0x1f) > -#define LOOP_DIV_HIGH_SEL(val) (((val - 1) >> 5) & 0x1f) > +#define LOOP_DIV_LOW_SEL(val) (((val) - 1) & 0x1f) > +#define LOOP_DIV_HIGH_SEL(val) ((((val) - 1) >> 5) & 0x1f) This change doesn't adversely affect other platforms? > #define PLL_LOOP_DIV_EN BIT(5) > #define PLL_INPUT_DIV_EN BIT(4) > > @@ -265,6 +272,11 @@ enum { > }; > > struct dw_mipi_dsi_plat_data { > + u32 dsi0_en_bit; > + u32 dsi1_en_bit; > + u32 grf_switch_reg; > + u32 grf_dsi0_mode; > + u32 grf_dsi0_mode_reg; > unsigned int max_data_lanes; > enum drm_mode_status (*mode_valid)(struct drm_connector *connector, > struct drm_display_mode *mode); > @@ -281,6 +293,7 @@ struct dw_mipi_dsi { > > struct clk *pllref_clk; > struct clk *pclk; > + struct clk *phy_cfg_clk; > > unsigned int lane_mbps; /* per lane */ > u32 channel; > @@ -356,6 +369,7 @@ static inline struct dw_mipi_dsi *encoder_to_dsi(struct drm_encoder *encoder) > { > return container_of(encoder, struct dw_mipi_dsi, encoder); > } > + > static inline void dsi_write(struct dw_mipi_dsi *dsi, u32 reg, u32 val) > { > writel(val, dsi->base + reg); > @@ -367,7 +381,7 @@ static inline u32 dsi_read(struct dw_mipi_dsi *dsi, u32 reg) > } > > static void dw_mipi_dsi_phy_write(struct dw_mipi_dsi *dsi, u8 test_code, > - u8 test_data) > + u8 test_data) Unrelated whitespace change > { > /* > * With the falling edge on TESTCLK, the TESTDIN[7:0] signal content > @@ -426,6 +440,14 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) > dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR); > dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR); > > + if (!IS_ERR(dsi->phy_cfg_clk)) { > + ret = clk_prepare_enable(dsi->phy_cfg_clk); > + if (ret) { > + dev_err(dsi->dev, "Failed to enable phy_cfg_clk\n"); > + return ret; > + } > + } > + > dw_mipi_dsi_phy_write(dsi, 0x10, BYPASS_VCO_RANGE | > VCO_RANGE_CON_SEL(vco) | > VCO_IN_CAP_CON_LOW | > @@ -474,22 +496,23 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) > dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK | > PHY_UNRSTZ | PHY_UNSHUTDOWNZ); > > - > ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, > val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US); > if (ret < 0) { > dev_err(dsi->dev, "failed to wait for phy lock state\n"); > - return ret; > + goto phy_init_end; > } > > ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, > val, val & STOP_STATE_CLK_LANE, 1000, > PHY_STATUS_TIMEOUT_US); > - if (ret < 0) { > + if (ret < 0) > dev_err(dsi->dev, > "failed to wait for phy clk lane stop state\n"); > - return ret; > - } > + > +phy_init_end: > + if (!IS_ERR(dsi->phy_cfg_clk)) > + clk_disable_unprepare(dsi->phy_cfg_clk); > > return ret; > } > @@ -548,7 +571,7 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host, > > if (device->lanes > dsi->pdata->max_data_lanes) { > dev_err(dsi->dev, "the number of data lanes(%u) is too many\n", > - device->lanes); > + device->lanes); Unrelated whitespace change > return -EINVAL; > } > > @@ -936,8 +959,8 @@ static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) > } > > static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > + struct drm_display_mode *mode, > + struct drm_display_mode *adjusted_mode) Unrelated whitespace change > { > struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); > > @@ -965,6 +988,7 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) > static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > { > struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); > + const struct dw_mipi_dsi_plat_data *pdata = dsi->pdata; > int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder); > u32 val; > > @@ -985,6 +1009,10 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > dw_mipi_dsi_dphy_interface_config(dsi); > dw_mipi_dsi_clear_err(dsi); > > + if (pdata->grf_dsi0_mode_reg) > + regmap_write(dsi->grf_regmap, pdata->grf_dsi0_mode_reg, > + pdata->grf_dsi0_mode); > + > dw_mipi_dsi_phy_init(dsi); > dw_mipi_dsi_wait_for_two_frames(dsi); > > @@ -998,11 +1026,11 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > clk_disable_unprepare(dsi->pclk); > > if (mux) > - val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16); > + val = pdata->dsi0_en_bit | (pdata->dsi0_en_bit << 16); > else > - val = DSI0_SEL_VOP_LIT << 16; > + val = pdata->dsi0_en_bit << 16; > > - regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val); > + regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val); > dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); > } > > @@ -1034,7 +1062,7 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder, > return 0; > } > > -static struct drm_encoder_helper_funcs > +static const struct drm_encoder_helper_funcs > dw_mipi_dsi_encoder_helper_funcs = { > .enable = dw_mipi_dsi_encoder_enable, > .mode_set = dw_mipi_dsi_encoder_mode_set, > @@ -1042,7 +1070,7 @@ dw_mipi_dsi_encoder_helper_funcs = { > .atomic_check = dw_mipi_dsi_encoder_atomic_check, > }; > > -static struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { > +static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { > .destroy = drm_encoder_cleanup, > }; > > @@ -1078,7 +1106,7 @@ static void dw_mipi_dsi_drm_connector_destroy(struct drm_connector *connector) > drm_connector_cleanup(connector); > } > > -static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { > +static const struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { These 3 const changes are unrelated to the patch > .dpms = drm_atomic_helper_connector_dpms, > .fill_modes = drm_helper_probe_single_connector_modes, > .destroy = dw_mipi_dsi_drm_connector_destroy, > @@ -1088,7 +1116,7 @@ static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { > }; > > static int dw_mipi_dsi_register(struct drm_device *drm, > - struct dw_mipi_dsi *dsi) > + struct dw_mipi_dsi *dsi) Unrelated whitespace change > { > struct drm_encoder *encoder = &dsi->encoder; > struct drm_connector *connector = &dsi->connector; > @@ -1109,14 +1137,14 @@ static int dw_mipi_dsi_register(struct drm_device *drm, > drm_encoder_helper_add(&dsi->encoder, > &dw_mipi_dsi_encoder_helper_funcs); > ret = drm_encoder_init(drm, &dsi->encoder, &dw_mipi_dsi_encoder_funcs, > - DRM_MODE_ENCODER_DSI, NULL); > + DRM_MODE_ENCODER_DSI, NULL); Unrelated whitespace change > if (ret) { > dev_err(dev, "Failed to initialize encoder with drm\n"); > return ret; > } > > drm_connector_helper_add(connector, > - &dw_mipi_dsi_connector_helper_funcs); > + &dw_mipi_dsi_connector_helper_funcs); Unrelated whitespace change > > drm_connector_init(drm, &dsi->connector, > &dw_mipi_dsi_atomic_connector_funcs, > @@ -1162,21 +1190,36 @@ static enum drm_mode_status rk3288_mipi_dsi_mode_valid( > } > > static struct dw_mipi_dsi_plat_data rk3288_mipi_dsi_drv_data = { > + .dsi0_en_bit = RK3288_DSI0_SEL_VOP_LIT, > + .dsi1_en_bit = RK3288_DSI1_SEL_VOP_LIT, > + .grf_switch_reg = RK3288_GRF_SOC_CON6, > .max_data_lanes = 4, > .mode_valid = rk3288_mipi_dsi_mode_valid, > }; > > +static struct dw_mipi_dsi_plat_data rk3399_mipi_dsi_drv_data = { > + .dsi0_en_bit = RK3399_DSI0_SEL_VOP_LIT, > + .dsi1_en_bit = RK3399_DSI1_SEL_VOP_LIT, > + .grf_switch_reg = RK3399_GRF_SOC_CON19, > + .grf_dsi0_mode = RK3399_GRF_DSI_MODE, > + .grf_dsi0_mode_reg = RK3399_GRF_SOC_CON22, > + .max_data_lanes = 4, > +}; > + > static const struct of_device_id dw_mipi_dsi_dt_ids[] = { > { > .compatible = "rockchip,rk3288-mipi-dsi", > .data = &rk3288_mipi_dsi_drv_data, > + }, { > + .compatible = "rockchip,rk3399-mipi-dsi", > + .data = &rk3399_mipi_dsi_drv_data, > }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(of, dw_mipi_dsi_dt_ids); > > static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > - void *data) > + void *data) Unrelated whitespace change > { > const struct of_device_id *of_id = > of_match_device(dw_mipi_dsi_dt_ids, dev); > @@ -1249,6 +1292,10 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > clk_disable_unprepare(dsi->pclk); > } > > + dsi->phy_cfg_clk = devm_clk_get(dev, "phy_cfg"); > + if (IS_ERR(dsi->phy_cfg_clk)) > + dev_dbg(dev, "have not phy_cfg_clk\n"); > + > ret = clk_prepare_enable(dsi->pllref_clk); > if (ret) { > dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__); > @@ -1280,7 +1327,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > } > > static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, > - void *data) > + void *data) Unrelated whitespace change > { > struct dw_mipi_dsi *dsi = dev_get_drvdata(dev); > > -- > 2.6.3 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Sean Paul, Software Engineer, Google / Chromium OS From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Paul Subject: Re: [PATCH v3 2/5] drm/rockchip/dsi: dw-mipi: support RK3399 mipi dsi Date: Mon, 23 Jan 2017 12:30:06 -0500 Message-ID: <20170123173006.GA25789@trickycodes.roam.corp.google.com> References: <1484907051-7159-1-git-send-email-zyw@rock-chips.com> <1484907051-7159-3-git-send-email-zyw@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1484907051-7159-3-git-send-email-zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Chris Zhong Cc: dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, yzq-TNX95d0MmH7DzftRWevZcw@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Fri, Jan 20, 2017 at 06:10:48PM +0800, Chris Zhong wrote: > The vopb/vopl switch register of RK3399 mipi is different from RK3288, > the default setting for mipi dsi mode is different too, so add a > of_device_id structure to distinguish them, and make sure set the > correct mode before mipi phy init. > Hi Chris, There are a bunch of unrelated changes in this patch. Can you please split out the whitespace/const changes into a separate clean-up patch so it's easier to see the meaningful changes? More comments below. > Signed-off-by: Chris Zhong > Signed-off-by: Mark Yao > --- > > Changes in v3: > - base on John Keeping's patch series > > drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 101 ++++++++++++++++++++++++--------- > 1 file changed, 74 insertions(+), 27 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > index 45af890..a93ce97 100644 > --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > @@ -29,9 +29,17 @@ > > #define DRIVER_NAME "dw-mipi-dsi" > > -#define GRF_SOC_CON6 0x025c > -#define DSI0_SEL_VOP_LIT (1 << 6) > -#define DSI1_SEL_VOP_LIT (1 << 9) > +#define RK3288_GRF_SOC_CON6 0x025c > +#define RK3288_DSI0_SEL_VOP_LIT BIT(6) > +#define RK3288_DSI1_SEL_VOP_LIT BIT(9) > + > +#define RK3399_GRF_SOC_CON19 0x6250 > +#define RK3399_DSI0_SEL_VOP_LIT BIT(0) > +#define RK3399_DSI1_SEL_VOP_LIT BIT(4) > + > +/* disable turnrequest, turndisable, forcetxstopmode, forcerxmode */ > +#define RK3399_GRF_SOC_CON22 0x6258 > +#define RK3399_GRF_DSI_MODE 0xffff0000 > > #define DSI_VERSION 0x00 > #define DSI_PWR_UP 0x04 > @@ -149,7 +157,6 @@ > #define LPRX_TO_CNT(p) ((p) & 0xffff) > > #define DSI_BTA_TO_CNT 0x8c > - Unrelated whitespace change > #define DSI_LPCLK_CTRL 0x94 > #define AUTO_CLKLANE_CTRL BIT(1) > #define PHY_TXREQUESTCLKHS BIT(0) > @@ -215,11 +222,11 @@ > > #define HSFREQRANGE_SEL(val) (((val) & 0x3f) << 1) > > -#define INPUT_DIVIDER(val) ((val - 1) & 0x7f) > +#define INPUT_DIVIDER(val) (((val) - 1) & 0x7f) Unrelated change > #define LOW_PROGRAM_EN 0 > #define HIGH_PROGRAM_EN BIT(7) > -#define LOOP_DIV_LOW_SEL(val) ((val - 1) & 0x1f) > -#define LOOP_DIV_HIGH_SEL(val) (((val - 1) >> 5) & 0x1f) > +#define LOOP_DIV_LOW_SEL(val) (((val) - 1) & 0x1f) > +#define LOOP_DIV_HIGH_SEL(val) ((((val) - 1) >> 5) & 0x1f) This change doesn't adversely affect other platforms? > #define PLL_LOOP_DIV_EN BIT(5) > #define PLL_INPUT_DIV_EN BIT(4) > > @@ -265,6 +272,11 @@ enum { > }; > > struct dw_mipi_dsi_plat_data { > + u32 dsi0_en_bit; > + u32 dsi1_en_bit; > + u32 grf_switch_reg; > + u32 grf_dsi0_mode; > + u32 grf_dsi0_mode_reg; > unsigned int max_data_lanes; > enum drm_mode_status (*mode_valid)(struct drm_connector *connector, > struct drm_display_mode *mode); > @@ -281,6 +293,7 @@ struct dw_mipi_dsi { > > struct clk *pllref_clk; > struct clk *pclk; > + struct clk *phy_cfg_clk; > > unsigned int lane_mbps; /* per lane */ > u32 channel; > @@ -356,6 +369,7 @@ static inline struct dw_mipi_dsi *encoder_to_dsi(struct drm_encoder *encoder) > { > return container_of(encoder, struct dw_mipi_dsi, encoder); > } > + > static inline void dsi_write(struct dw_mipi_dsi *dsi, u32 reg, u32 val) > { > writel(val, dsi->base + reg); > @@ -367,7 +381,7 @@ static inline u32 dsi_read(struct dw_mipi_dsi *dsi, u32 reg) > } > > static void dw_mipi_dsi_phy_write(struct dw_mipi_dsi *dsi, u8 test_code, > - u8 test_data) > + u8 test_data) Unrelated whitespace change > { > /* > * With the falling edge on TESTCLK, the TESTDIN[7:0] signal content > @@ -426,6 +440,14 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) > dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR); > dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR); > > + if (!IS_ERR(dsi->phy_cfg_clk)) { > + ret = clk_prepare_enable(dsi->phy_cfg_clk); > + if (ret) { > + dev_err(dsi->dev, "Failed to enable phy_cfg_clk\n"); > + return ret; > + } > + } > + > dw_mipi_dsi_phy_write(dsi, 0x10, BYPASS_VCO_RANGE | > VCO_RANGE_CON_SEL(vco) | > VCO_IN_CAP_CON_LOW | > @@ -474,22 +496,23 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) > dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK | > PHY_UNRSTZ | PHY_UNSHUTDOWNZ); > > - > ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, > val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US); > if (ret < 0) { > dev_err(dsi->dev, "failed to wait for phy lock state\n"); > - return ret; > + goto phy_init_end; > } > > ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, > val, val & STOP_STATE_CLK_LANE, 1000, > PHY_STATUS_TIMEOUT_US); > - if (ret < 0) { > + if (ret < 0) > dev_err(dsi->dev, > "failed to wait for phy clk lane stop state\n"); > - return ret; > - } > + > +phy_init_end: > + if (!IS_ERR(dsi->phy_cfg_clk)) > + clk_disable_unprepare(dsi->phy_cfg_clk); > > return ret; > } > @@ -548,7 +571,7 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host, > > if (device->lanes > dsi->pdata->max_data_lanes) { > dev_err(dsi->dev, "the number of data lanes(%u) is too many\n", > - device->lanes); > + device->lanes); Unrelated whitespace change > return -EINVAL; > } > > @@ -936,8 +959,8 @@ static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) > } > > static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > + struct drm_display_mode *mode, > + struct drm_display_mode *adjusted_mode) Unrelated whitespace change > { > struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); > > @@ -965,6 +988,7 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) > static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > { > struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); > + const struct dw_mipi_dsi_plat_data *pdata = dsi->pdata; > int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder); > u32 val; > > @@ -985,6 +1009,10 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > dw_mipi_dsi_dphy_interface_config(dsi); > dw_mipi_dsi_clear_err(dsi); > > + if (pdata->grf_dsi0_mode_reg) > + regmap_write(dsi->grf_regmap, pdata->grf_dsi0_mode_reg, > + pdata->grf_dsi0_mode); > + > dw_mipi_dsi_phy_init(dsi); > dw_mipi_dsi_wait_for_two_frames(dsi); > > @@ -998,11 +1026,11 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > clk_disable_unprepare(dsi->pclk); > > if (mux) > - val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16); > + val = pdata->dsi0_en_bit | (pdata->dsi0_en_bit << 16); > else > - val = DSI0_SEL_VOP_LIT << 16; > + val = pdata->dsi0_en_bit << 16; > > - regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val); > + regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val); > dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); > } > > @@ -1034,7 +1062,7 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder, > return 0; > } > > -static struct drm_encoder_helper_funcs > +static const struct drm_encoder_helper_funcs > dw_mipi_dsi_encoder_helper_funcs = { > .enable = dw_mipi_dsi_encoder_enable, > .mode_set = dw_mipi_dsi_encoder_mode_set, > @@ -1042,7 +1070,7 @@ dw_mipi_dsi_encoder_helper_funcs = { > .atomic_check = dw_mipi_dsi_encoder_atomic_check, > }; > > -static struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { > +static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { > .destroy = drm_encoder_cleanup, > }; > > @@ -1078,7 +1106,7 @@ static void dw_mipi_dsi_drm_connector_destroy(struct drm_connector *connector) > drm_connector_cleanup(connector); > } > > -static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { > +static const struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { These 3 const changes are unrelated to the patch > .dpms = drm_atomic_helper_connector_dpms, > .fill_modes = drm_helper_probe_single_connector_modes, > .destroy = dw_mipi_dsi_drm_connector_destroy, > @@ -1088,7 +1116,7 @@ static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { > }; > > static int dw_mipi_dsi_register(struct drm_device *drm, > - struct dw_mipi_dsi *dsi) > + struct dw_mipi_dsi *dsi) Unrelated whitespace change > { > struct drm_encoder *encoder = &dsi->encoder; > struct drm_connector *connector = &dsi->connector; > @@ -1109,14 +1137,14 @@ static int dw_mipi_dsi_register(struct drm_device *drm, > drm_encoder_helper_add(&dsi->encoder, > &dw_mipi_dsi_encoder_helper_funcs); > ret = drm_encoder_init(drm, &dsi->encoder, &dw_mipi_dsi_encoder_funcs, > - DRM_MODE_ENCODER_DSI, NULL); > + DRM_MODE_ENCODER_DSI, NULL); Unrelated whitespace change > if (ret) { > dev_err(dev, "Failed to initialize encoder with drm\n"); > return ret; > } > > drm_connector_helper_add(connector, > - &dw_mipi_dsi_connector_helper_funcs); > + &dw_mipi_dsi_connector_helper_funcs); Unrelated whitespace change > > drm_connector_init(drm, &dsi->connector, > &dw_mipi_dsi_atomic_connector_funcs, > @@ -1162,21 +1190,36 @@ static enum drm_mode_status rk3288_mipi_dsi_mode_valid( > } > > static struct dw_mipi_dsi_plat_data rk3288_mipi_dsi_drv_data = { > + .dsi0_en_bit = RK3288_DSI0_SEL_VOP_LIT, > + .dsi1_en_bit = RK3288_DSI1_SEL_VOP_LIT, > + .grf_switch_reg = RK3288_GRF_SOC_CON6, > .max_data_lanes = 4, > .mode_valid = rk3288_mipi_dsi_mode_valid, > }; > > +static struct dw_mipi_dsi_plat_data rk3399_mipi_dsi_drv_data = { > + .dsi0_en_bit = RK3399_DSI0_SEL_VOP_LIT, > + .dsi1_en_bit = RK3399_DSI1_SEL_VOP_LIT, > + .grf_switch_reg = RK3399_GRF_SOC_CON19, > + .grf_dsi0_mode = RK3399_GRF_DSI_MODE, > + .grf_dsi0_mode_reg = RK3399_GRF_SOC_CON22, > + .max_data_lanes = 4, > +}; > + > static const struct of_device_id dw_mipi_dsi_dt_ids[] = { > { > .compatible = "rockchip,rk3288-mipi-dsi", > .data = &rk3288_mipi_dsi_drv_data, > + }, { > + .compatible = "rockchip,rk3399-mipi-dsi", > + .data = &rk3399_mipi_dsi_drv_data, > }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(of, dw_mipi_dsi_dt_ids); > > static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > - void *data) > + void *data) Unrelated whitespace change > { > const struct of_device_id *of_id = > of_match_device(dw_mipi_dsi_dt_ids, dev); > @@ -1249,6 +1292,10 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > clk_disable_unprepare(dsi->pclk); > } > > + dsi->phy_cfg_clk = devm_clk_get(dev, "phy_cfg"); > + if (IS_ERR(dsi->phy_cfg_clk)) > + dev_dbg(dev, "have not phy_cfg_clk\n"); > + > ret = clk_prepare_enable(dsi->pllref_clk); > if (ret) { > dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__); > @@ -1280,7 +1327,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > } > > static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, > - void *data) > + void *data) Unrelated whitespace change > { > struct dw_mipi_dsi *dsi = dev_get_drvdata(dev); > > -- > 2.6.3 > > _______________________________________________ > dri-devel mailing list > dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Sean Paul, Software Engineer, Google / Chromium OS -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: seanpaul@chromium.org (Sean Paul) Date: Mon, 23 Jan 2017 12:30:06 -0500 Subject: [PATCH v3 2/5] drm/rockchip/dsi: dw-mipi: support RK3399 mipi dsi In-Reply-To: <1484907051-7159-3-git-send-email-zyw@rock-chips.com> References: <1484907051-7159-1-git-send-email-zyw@rock-chips.com> <1484907051-7159-3-git-send-email-zyw@rock-chips.com> Message-ID: <20170123173006.GA25789@trickycodes.roam.corp.google.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Jan 20, 2017 at 06:10:48PM +0800, Chris Zhong wrote: > The vopb/vopl switch register of RK3399 mipi is different from RK3288, > the default setting for mipi dsi mode is different too, so add a > of_device_id structure to distinguish them, and make sure set the > correct mode before mipi phy init. > Hi Chris, There are a bunch of unrelated changes in this patch. Can you please split out the whitespace/const changes into a separate clean-up patch so it's easier to see the meaningful changes? More comments below. > Signed-off-by: Chris Zhong > Signed-off-by: Mark Yao > --- > > Changes in v3: > - base on John Keeping's patch series > > drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 101 ++++++++++++++++++++++++--------- > 1 file changed, 74 insertions(+), 27 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > index 45af890..a93ce97 100644 > --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c > @@ -29,9 +29,17 @@ > > #define DRIVER_NAME "dw-mipi-dsi" > > -#define GRF_SOC_CON6 0x025c > -#define DSI0_SEL_VOP_LIT (1 << 6) > -#define DSI1_SEL_VOP_LIT (1 << 9) > +#define RK3288_GRF_SOC_CON6 0x025c > +#define RK3288_DSI0_SEL_VOP_LIT BIT(6) > +#define RK3288_DSI1_SEL_VOP_LIT BIT(9) > + > +#define RK3399_GRF_SOC_CON19 0x6250 > +#define RK3399_DSI0_SEL_VOP_LIT BIT(0) > +#define RK3399_DSI1_SEL_VOP_LIT BIT(4) > + > +/* disable turnrequest, turndisable, forcetxstopmode, forcerxmode */ > +#define RK3399_GRF_SOC_CON22 0x6258 > +#define RK3399_GRF_DSI_MODE 0xffff0000 > > #define DSI_VERSION 0x00 > #define DSI_PWR_UP 0x04 > @@ -149,7 +157,6 @@ > #define LPRX_TO_CNT(p) ((p) & 0xffff) > > #define DSI_BTA_TO_CNT 0x8c > - Unrelated whitespace change > #define DSI_LPCLK_CTRL 0x94 > #define AUTO_CLKLANE_CTRL BIT(1) > #define PHY_TXREQUESTCLKHS BIT(0) > @@ -215,11 +222,11 @@ > > #define HSFREQRANGE_SEL(val) (((val) & 0x3f) << 1) > > -#define INPUT_DIVIDER(val) ((val - 1) & 0x7f) > +#define INPUT_DIVIDER(val) (((val) - 1) & 0x7f) Unrelated change > #define LOW_PROGRAM_EN 0 > #define HIGH_PROGRAM_EN BIT(7) > -#define LOOP_DIV_LOW_SEL(val) ((val - 1) & 0x1f) > -#define LOOP_DIV_HIGH_SEL(val) (((val - 1) >> 5) & 0x1f) > +#define LOOP_DIV_LOW_SEL(val) (((val) - 1) & 0x1f) > +#define LOOP_DIV_HIGH_SEL(val) ((((val) - 1) >> 5) & 0x1f) This change doesn't adversely affect other platforms? > #define PLL_LOOP_DIV_EN BIT(5) > #define PLL_INPUT_DIV_EN BIT(4) > > @@ -265,6 +272,11 @@ enum { > }; > > struct dw_mipi_dsi_plat_data { > + u32 dsi0_en_bit; > + u32 dsi1_en_bit; > + u32 grf_switch_reg; > + u32 grf_dsi0_mode; > + u32 grf_dsi0_mode_reg; > unsigned int max_data_lanes; > enum drm_mode_status (*mode_valid)(struct drm_connector *connector, > struct drm_display_mode *mode); > @@ -281,6 +293,7 @@ struct dw_mipi_dsi { > > struct clk *pllref_clk; > struct clk *pclk; > + struct clk *phy_cfg_clk; > > unsigned int lane_mbps; /* per lane */ > u32 channel; > @@ -356,6 +369,7 @@ static inline struct dw_mipi_dsi *encoder_to_dsi(struct drm_encoder *encoder) > { > return container_of(encoder, struct dw_mipi_dsi, encoder); > } > + > static inline void dsi_write(struct dw_mipi_dsi *dsi, u32 reg, u32 val) > { > writel(val, dsi->base + reg); > @@ -367,7 +381,7 @@ static inline u32 dsi_read(struct dw_mipi_dsi *dsi, u32 reg) > } > > static void dw_mipi_dsi_phy_write(struct dw_mipi_dsi *dsi, u8 test_code, > - u8 test_data) > + u8 test_data) Unrelated whitespace change > { > /* > * With the falling edge on TESTCLK, the TESTDIN[7:0] signal content > @@ -426,6 +440,14 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) > dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_TESTCLR); > dsi_write(dsi, DSI_PHY_TST_CTRL0, PHY_UNTESTCLR); > > + if (!IS_ERR(dsi->phy_cfg_clk)) { > + ret = clk_prepare_enable(dsi->phy_cfg_clk); > + if (ret) { > + dev_err(dsi->dev, "Failed to enable phy_cfg_clk\n"); > + return ret; > + } > + } > + > dw_mipi_dsi_phy_write(dsi, 0x10, BYPASS_VCO_RANGE | > VCO_RANGE_CON_SEL(vco) | > VCO_IN_CAP_CON_LOW | > @@ -474,22 +496,23 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi) > dsi_write(dsi, DSI_PHY_RSTZ, PHY_ENFORCEPLL | PHY_ENABLECLK | > PHY_UNRSTZ | PHY_UNSHUTDOWNZ); > > - > ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, > val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US); > if (ret < 0) { > dev_err(dsi->dev, "failed to wait for phy lock state\n"); > - return ret; > + goto phy_init_end; > } > > ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, > val, val & STOP_STATE_CLK_LANE, 1000, > PHY_STATUS_TIMEOUT_US); > - if (ret < 0) { > + if (ret < 0) > dev_err(dsi->dev, > "failed to wait for phy clk lane stop state\n"); > - return ret; > - } > + > +phy_init_end: > + if (!IS_ERR(dsi->phy_cfg_clk)) > + clk_disable_unprepare(dsi->phy_cfg_clk); > > return ret; > } > @@ -548,7 +571,7 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host, > > if (device->lanes > dsi->pdata->max_data_lanes) { > dev_err(dsi->dev, "the number of data lanes(%u) is too many\n", > - device->lanes); > + device->lanes); Unrelated whitespace change > return -EINVAL; > } > > @@ -936,8 +959,8 @@ static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) > } > > static void dw_mipi_dsi_encoder_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > + struct drm_display_mode *mode, > + struct drm_display_mode *adjusted_mode) Unrelated whitespace change > { > struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); > > @@ -965,6 +988,7 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) > static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > { > struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); > + const struct dw_mipi_dsi_plat_data *pdata = dsi->pdata; > int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder); > u32 val; > > @@ -985,6 +1009,10 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > dw_mipi_dsi_dphy_interface_config(dsi); > dw_mipi_dsi_clear_err(dsi); > > + if (pdata->grf_dsi0_mode_reg) > + regmap_write(dsi->grf_regmap, pdata->grf_dsi0_mode_reg, > + pdata->grf_dsi0_mode); > + > dw_mipi_dsi_phy_init(dsi); > dw_mipi_dsi_wait_for_two_frames(dsi); > > @@ -998,11 +1026,11 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) > clk_disable_unprepare(dsi->pclk); > > if (mux) > - val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16); > + val = pdata->dsi0_en_bit | (pdata->dsi0_en_bit << 16); > else > - val = DSI0_SEL_VOP_LIT << 16; > + val = pdata->dsi0_en_bit << 16; > > - regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val); > + regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val); > dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); > } > > @@ -1034,7 +1062,7 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder, > return 0; > } > > -static struct drm_encoder_helper_funcs > +static const struct drm_encoder_helper_funcs > dw_mipi_dsi_encoder_helper_funcs = { > .enable = dw_mipi_dsi_encoder_enable, > .mode_set = dw_mipi_dsi_encoder_mode_set, > @@ -1042,7 +1070,7 @@ dw_mipi_dsi_encoder_helper_funcs = { > .atomic_check = dw_mipi_dsi_encoder_atomic_check, > }; > > -static struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { > +static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { > .destroy = drm_encoder_cleanup, > }; > > @@ -1078,7 +1106,7 @@ static void dw_mipi_dsi_drm_connector_destroy(struct drm_connector *connector) > drm_connector_cleanup(connector); > } > > -static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { > +static const struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { These 3 const changes are unrelated to the patch > .dpms = drm_atomic_helper_connector_dpms, > .fill_modes = drm_helper_probe_single_connector_modes, > .destroy = dw_mipi_dsi_drm_connector_destroy, > @@ -1088,7 +1116,7 @@ static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { > }; > > static int dw_mipi_dsi_register(struct drm_device *drm, > - struct dw_mipi_dsi *dsi) > + struct dw_mipi_dsi *dsi) Unrelated whitespace change > { > struct drm_encoder *encoder = &dsi->encoder; > struct drm_connector *connector = &dsi->connector; > @@ -1109,14 +1137,14 @@ static int dw_mipi_dsi_register(struct drm_device *drm, > drm_encoder_helper_add(&dsi->encoder, > &dw_mipi_dsi_encoder_helper_funcs); > ret = drm_encoder_init(drm, &dsi->encoder, &dw_mipi_dsi_encoder_funcs, > - DRM_MODE_ENCODER_DSI, NULL); > + DRM_MODE_ENCODER_DSI, NULL); Unrelated whitespace change > if (ret) { > dev_err(dev, "Failed to initialize encoder with drm\n"); > return ret; > } > > drm_connector_helper_add(connector, > - &dw_mipi_dsi_connector_helper_funcs); > + &dw_mipi_dsi_connector_helper_funcs); Unrelated whitespace change > > drm_connector_init(drm, &dsi->connector, > &dw_mipi_dsi_atomic_connector_funcs, > @@ -1162,21 +1190,36 @@ static enum drm_mode_status rk3288_mipi_dsi_mode_valid( > } > > static struct dw_mipi_dsi_plat_data rk3288_mipi_dsi_drv_data = { > + .dsi0_en_bit = RK3288_DSI0_SEL_VOP_LIT, > + .dsi1_en_bit = RK3288_DSI1_SEL_VOP_LIT, > + .grf_switch_reg = RK3288_GRF_SOC_CON6, > .max_data_lanes = 4, > .mode_valid = rk3288_mipi_dsi_mode_valid, > }; > > +static struct dw_mipi_dsi_plat_data rk3399_mipi_dsi_drv_data = { > + .dsi0_en_bit = RK3399_DSI0_SEL_VOP_LIT, > + .dsi1_en_bit = RK3399_DSI1_SEL_VOP_LIT, > + .grf_switch_reg = RK3399_GRF_SOC_CON19, > + .grf_dsi0_mode = RK3399_GRF_DSI_MODE, > + .grf_dsi0_mode_reg = RK3399_GRF_SOC_CON22, > + .max_data_lanes = 4, > +}; > + > static const struct of_device_id dw_mipi_dsi_dt_ids[] = { > { > .compatible = "rockchip,rk3288-mipi-dsi", > .data = &rk3288_mipi_dsi_drv_data, > + }, { > + .compatible = "rockchip,rk3399-mipi-dsi", > + .data = &rk3399_mipi_dsi_drv_data, > }, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(of, dw_mipi_dsi_dt_ids); > > static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > - void *data) > + void *data) Unrelated whitespace change > { > const struct of_device_id *of_id = > of_match_device(dw_mipi_dsi_dt_ids, dev); > @@ -1249,6 +1292,10 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > clk_disable_unprepare(dsi->pclk); > } > > + dsi->phy_cfg_clk = devm_clk_get(dev, "phy_cfg"); > + if (IS_ERR(dsi->phy_cfg_clk)) > + dev_dbg(dev, "have not phy_cfg_clk\n"); > + > ret = clk_prepare_enable(dsi->pllref_clk); > if (ret) { > dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__); > @@ -1280,7 +1327,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, > } > > static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, > - void *data) > + void *data) Unrelated whitespace change > { > struct dw_mipi_dsi *dsi = dev_get_drvdata(dev); > > -- > 2.6.3 > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Sean Paul, Software Engineer, Google / Chromium OS