Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967717AbdIZHzv (ORCPT ); Tue, 26 Sep 2017 03:55:51 -0400 Received: from mail-pg0-f65.google.com ([74.125.83.65]:35851 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965643AbdIZHzs (ORCPT ); Tue, 26 Sep 2017 03:55:48 -0400 X-Google-Smtp-Source: AOwi7QCfu4iJjZQ394G8BAE7PHaRxLEt0VAxxLIVYQPGV94mYEFN+c8iM74cycZ9c2vNJ7uVKyHXQA== From: Nickey Yang To: mark.yao@rock-chips.com, robh+dt@kernel.org, heiko@sntech.de, mark.rutland@arm.com, airlied@linux.ie Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, seanpaul@chromium.org, briannorris@chromium.org, hl@rock-chips.com, zyw@rock-chips.com, bivvy.bi@rock-chips.com, xbl@rock-chips.com, nickey.yang@rock-chips.com Subject: [PATCH v2 2/8] drm/rockchip/dsi: add dual mipi channel support Date: Tue, 26 Sep 2017 15:55:17 +0800 Message-Id: <1506412523-1766-2-git-send-email-nickey.yang@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1506412523-1766-1-git-send-email-nickey.yang@rock-chips.com> References: <1506412523-1766-1-git-send-email-nickey.yang@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 18964 Lines: 613 This patch add dual mipi channel support: 1.add definition of dsi1 register and grf operation. 2.dsi0 and dsi1 will work in master and slave mode when driving dual mipi panel. Signed-off-by: Nickey Yang --- drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 390 ++++++++++++++++++++-------- drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 1 + drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 + drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 3 + 4 files changed, 292 insertions(+), 104 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index c933a3a..191037c 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -39,8 +39,58 @@ #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 RK3399_GRF_SOC_CON22 0x6258 +#define DPHY_TX0_TURNREQUEST_SET ((0xf << 12) << 16) +#define DPHY_TX0_TURNREQUEST_DISABLE (0x0 << 12) +#define DPHY_TX0_TURNREQUEST_ENABLE (0xf << 12) +#define DPHY_TX0_TURNDISABLE_SET ((0xf << 8) << 16) +#define DPHY_TX0_TURNDISABLE_DISABLE (0x0 << 8) +#define DPHY_TX0_TURNDISABLE_ENABLE (0xf << 8) +#define DPHY_TX0_FORCETXSTOPMODE_SET ((0xf << 4) << 16) +#define DPHY_TX0_FORCETXSTOPMODE_DISABLE (0x0 << 4) +#define DPHY_TX0_FORCETXSTOPMODE_ENABLE (0xf << 4) +#define DPHY_TX0_FORCETRXMODE_SET ((0xf << 0) << 16) +#define DPHY_TX0_FORCETRXMODE_DISABLE 0x0 +#define DPHY_TX0_FORCETRXMODE_ENABLE 0xf +#define RK3399_GRF_DSI_MODE ((DPHY_TX0_TURNREQUEST_SET | \ + DPHY_TX0_TURNDISABLE_SET | \ + DPHY_TX0_FORCETXSTOPMODE_SET | \ + DPHY_TX0_FORCETRXMODE_SET) | \ + (DPHY_TX0_TURNREQUEST_DISABLE | \ + DPHY_TX0_TURNDISABLE_DISABLE | \ + DPHY_TX0_FORCETXSTOPMODE_DISABLE | \ + DPHY_TX0_FORCETRXMODE_DISABLE)) + + +/* disable turndisable, forcetxstopmode, forcerxmode, enable */ +#define RK3399_GRF_SOC_CON23 0x625c +#define DPHY_TX1RX1_TURNDISABLE_SET ((0xf << 12) << 16) +#define DPHY_TX1RX1_TURNDISABLE_DISABLE (0x0 << 12) +#define DPHY_TX1RX1_TURNDISABLE_ENABLE (0xf << 12) +#define DPHY_TX1RX1_FORCETXSTOPMODE_SET ((0xf << 8) << 16) +#define DPHY_TX1RX1_FORCETXSTOPMODE_DISABLE (0x0 << 8) +#define DPHY_TX1RX1_FORCETXSTOPMODE_ENABLE (0xf << 8) +#define DPHY_TX1RX1_FORCERXMODE_SET ((0xf << 4) << 16) +#define DPHY_TX1RX1_FORCERXMODE_DISABLE (0x0 << 4) +#define DPHY_TX1RX1_FORCERXMODE_ENABLE (0xf << 4) +#define DPHY_TX1RX1_ENABLE_SET ((0xf << 0) << 16) +#define DPHY_TX1RX1_ENABLE_DISABLE 0x0 +#define DPHY_TX1RX1_ENABLE_ENABLE 0xf +#define RK3399_GRF_DSI1_MODE ((DPHY_TX1RX1_TURNDISABLE_SET | \ + DPHY_TX1RX1_FORCETXSTOPMODE_SET | \ + DPHY_TX1RX1_FORCERXMODE_SET | \ + DPHY_TX1RX1_ENABLE_SET) | \ + (DPHY_TX0_TURNREQUEST_DISABLE | \ + DPHY_TX0_TURNDISABLE_DISABLE | \ + DPHY_TX0_FORCETXSTOPMODE_DISABLE | \ + DPHY_TX0_FORCETRXMODE_DISABLE)) +#define RK3399_GRF_DSI1_ENABLE ((DPHY_TX1RX1_ENABLE_SET | \ + DPHY_TX1RX1_ENABLE_ENABLE)) + +#define RK3399_GRF_SOC_CON24 0x6260 +#define RK3399_TXRX_MASTERSLAVEZ BIT(7) +#define RK3399_TXRX_ENABLECLK BIT(6) +#define RK3399_TXRX_BASEDIR BIT(5) #define DSI_VERSION 0x00 #define DSI_PWR_UP 0x04 @@ -304,6 +354,13 @@ struct dw_mipi_dsi_plat_data { u32 grf_switch_reg; u32 grf_dsi0_mode; u32 grf_dsi0_mode_reg; + u32 grf_dsi1_mode; + u32 grf_dsi1_enable; + u32 grf_dsi1_mode_reg1; + u32 dsi1_basedir; + u32 dsi1_masterslavez; + u32 dsi1_enableclk; + u32 grf_dsi1_mode_reg2; unsigned int flags; unsigned int max_data_lanes; }; @@ -322,6 +379,10 @@ struct dw_mipi_dsi { struct clk *pclk; struct clk *phy_cfg_clk; + /* dual-channel */ + struct dw_mipi_dsi *master; + struct dw_mipi_dsi *slave; + int dpms_mode; unsigned int lane_mbps; /* per lane */ u32 channel; @@ -574,6 +635,7 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi, unsigned int max_mbps = dptdin_map[ARRAY_SIZE(dptdin_map) - 1].max_mbps; int bpp; unsigned long best_freq = 0; + int lanes = dsi->lanes; unsigned long fvco_min, fvco_max, fin, fout; unsigned int min_prediv, max_prediv; unsigned int _prediv, uninitialized_var(best_prediv); @@ -587,10 +649,13 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi, return bpp; } + if (dsi->slave || dsi->master) + lanes = dsi->lanes * 2; + mpclk = DIV_ROUND_UP(mode->clock, MSEC_PER_SEC); if (mpclk) { /* take 1 / 0.8, since mbps must big than bandwidth of RGB */ - tmp = mpclk * (bpp / dsi->lanes) * 10 / 8; + tmp = mpclk * (bpp / lanes) * 10 / 8; if (tmp < max_mbps) target_mbps = tmp; else @@ -653,17 +718,26 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host, struct mipi_dsi_device *device) { struct dw_mipi_dsi *dsi = host_to_dsi(host); + int lanes = dsi->slave ? device->lanes / 2 : device->lanes; - if (device->lanes > dsi->pdata->max_data_lanes) { + if (lanes > dsi->pdata->max_data_lanes) { dev_err(dsi->dev, "the number of data lanes(%u) is too many\n", - device->lanes); + lanes); return -EINVAL; } - dsi->lanes = device->lanes; + dsi->lanes = lanes; dsi->channel = device->channel; dsi->format = device->format; dsi->mode_flags = device->mode_flags; + + if (dsi->slave) { + dsi->slave->lanes = lanes; + dsi->slave->channel = device->channel; + dsi->slave->format = device->format; + dsi->slave->mode_flags = device->mode_flags; + } + dsi->panel = of_drm_find_panel(device->dev.of_node); if (dsi->panel) return drm_panel_attach(dsi->panel, &dsi->connector); @@ -793,15 +867,22 @@ static ssize_t dw_mipi_dsi_host_transfer(struct mipi_dsi_host *host, int ret; dw_mipi_message_config(dsi, msg); + if (dsi->slave) + dw_mipi_message_config(dsi->slave, msg); switch (msg->type) { case MIPI_DSI_DCS_SHORT_WRITE: case MIPI_DSI_DCS_SHORT_WRITE_PARAM: case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE: + case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM: ret = dw_mipi_dsi_dcs_short_write(dsi, msg); + if (dsi->slave) + ret = dw_mipi_dsi_dcs_short_write(dsi->slave, msg); break; case MIPI_DSI_DCS_LONG_WRITE: ret = dw_mipi_dsi_dcs_long_write(dsi, msg); + if (dsi->slave) + ret = dw_mipi_dsi_dcs_long_write(dsi->slave, msg); break; default: dev_err(dsi->dev, "unsupported message type 0x%02x\n", @@ -875,6 +956,55 @@ static void dw_mipi_dsi_init(struct dw_mipi_dsi *dsi) TX_ESC_CLK_DIVIDSION(esc_clk_division)); } +static void rockchip_dsi_grf_config(struct dw_mipi_dsi *dsi, int vop_id) +{ + const struct dw_mipi_dsi_plat_data *pdata = dsi->pdata; + int val = 0; + int ret; + + /* + * For the RK3399, the clk of grf must be enabled before writing grf + * register. And for RK3288 or other soc, this grf_clk must be NULL, + * the clk_prepare_enable return true directly. + */ + ret = clk_prepare_enable(dsi->grf_clk); + if (ret) { + dev_err(dsi->dev, "Failed to enable grf_clk: %d\n", ret); + return; + } + + val = pdata->dsi0_en_bit << 16; + if (dsi->slave) + val |= pdata->dsi1_en_bit << 16; + if (vop_id) { + val |= pdata->dsi0_en_bit; + if (dsi->slave) + val |= pdata->dsi1_en_bit; + } + regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val); + + if (pdata->grf_dsi0_mode_reg) + regmap_write(dsi->grf_regmap, pdata->grf_dsi0_mode_reg, + pdata->grf_dsi0_mode); + + if (dsi->slave) { + if (pdata->grf_dsi1_mode_reg1) + regmap_write(dsi->grf_regmap, pdata->grf_dsi1_mode_reg1, + pdata->grf_dsi1_mode); + val = pdata->dsi1_masterslavez | + (pdata->dsi1_masterslavez << 16) | + (pdata->dsi1_basedir << 16); + if (pdata->grf_dsi1_mode_reg2) + regmap_write(dsi->grf_regmap, pdata->grf_dsi1_mode_reg2, + val); + if (pdata->grf_dsi1_mode_reg1) + regmap_write(dsi->grf_regmap, pdata->grf_dsi1_mode_reg1, + pdata->grf_dsi1_enable); + } + + clk_disable_unprepare(dsi->grf_clk); +} + static void dw_mipi_dsi_dpi_config(struct dw_mipi_dsi *dsi, struct drm_display_mode *mode) { @@ -915,7 +1045,14 @@ static void dw_mipi_dsi_packet_handler_config(struct dw_mipi_dsi *dsi) static void dw_mipi_dsi_video_packet_config(struct dw_mipi_dsi *dsi, struct drm_display_mode *mode) { - dsi_write(dsi, DSI_VID_PKT_SIZE, VID_PKT_SIZE(mode->hdisplay)); + int pkt_size; + + if (dsi->slave || dsi->master) + pkt_size = VID_PKT_SIZE(mode->hdisplay / 2); + else + pkt_size = VID_PKT_SIZE(mode->hdisplay); + + dsi_write(dsi, DSI_VID_PKT_SIZE, pkt_size); } static void dw_mipi_dsi_command_mode_config(struct dw_mipi_dsi *dsi) @@ -1020,24 +1157,26 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) dw_mipi_dsi_disable(dsi); pm_runtime_put(dsi->dev); clk_disable_unprepare(dsi->pclk); + + if (dsi->slave) { + if (clk_prepare_enable(dsi->slave->pclk)) { + dev_err(dsi->slave->dev, "%s: Failed to enable pclk\n", __func__); + return; + } + dw_mipi_dsi_disable(dsi->slave); + pm_runtime_put(dsi->slave->dev); + clk_disable_unprepare(dsi->slave->pclk); + } + dsi->dpms_mode = DRM_MODE_DPMS_OFF; } -static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) +static void dw_mipi_dsi_enable(struct dw_mipi_dsi *dsi, struct drm_display_mode *mode) { - struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); - struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; - 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; - int ret; - - ret = dw_mipi_dsi_get_lane_bps(dsi, mode); - if (ret < 0) - return; - - if (dsi->dpms_mode == DRM_MODE_DPMS_ON) + if (dw_mipi_dsi_get_lane_bps(dsi, mode) < 0) { + dev_err(dsi->dev, "%s: Failed to get lane bps\n", __func__); return; + } if (clk_prepare_enable(dsi->pclk)) { dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__); @@ -1057,43 +1196,42 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) dw_mipi_dsi_dphy_interface_config(dsi); dw_mipi_dsi_clear_err(dsi); - /* - * For the RK3399, the clk of grf must be enabled before writing grf - * register. And for RK3288 or other soc, this grf_clk must be NULL, - * the clk_prepare_enable return true directly. - */ - ret = clk_prepare_enable(dsi->grf_clk); - if (ret) { - dev_err(dsi->dev, "Failed to enable grf_clk: %d\n", ret); - return; - } - - 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(mode); dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE); +} + +static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) +{ + struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); + struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; + int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder); + + if (dsi->dpms_mode == DRM_MODE_DPMS_ON) + return; + + rockchip_dsi_grf_config(dsi, mux); + dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); + + dw_mipi_dsi_enable(dsi, mode); + if (dsi->slave) + dw_mipi_dsi_enable(dsi->slave, mode); + if (drm_panel_prepare(dsi->panel)) dev_err(dsi->dev, "failed to prepare panel\n"); dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE); + if (dsi->slave) + dw_mipi_dsi_set_mode(dsi->slave, DW_MIPI_DSI_VID_MODE); + drm_panel_enable(dsi->panel); clk_disable_unprepare(dsi->pclk); + if (dsi->slave) + clk_disable_unprepare(dsi->slave->pclk); - if (mux) - val = pdata->dsi0_en_bit | (pdata->dsi0_en_bit << 16); - else - val = pdata->dsi0_en_bit << 16; - - regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val); - dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); dsi->dpms_mode = DRM_MODE_DPMS_ON; - - clk_disable_unprepare(dsi->grf_clk); } static int @@ -1121,6 +1259,9 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) s->output_type = DRM_MODE_CONNECTOR_DSI; + if (dsi->slave) + s->output_flags = ROCKCHIP_OUTPUT_DSI_DUAL_CHANNEL; + return 0; } @@ -1226,6 +1367,13 @@ static int rockchip_mipi_parse_dt(struct dw_mipi_dsi *dsi) .grf_switch_reg = RK3399_GRF_SOC_CON20, .grf_dsi0_mode = RK3399_GRF_DSI_MODE, .grf_dsi0_mode_reg = RK3399_GRF_SOC_CON22, + .grf_dsi1_mode = RK3399_GRF_DSI1_MODE, + .grf_dsi1_enable = RK3399_GRF_DSI1_ENABLE, + .grf_dsi1_mode_reg1 = RK3399_GRF_SOC_CON23, + .dsi1_basedir = RK3399_TXRX_BASEDIR, + .dsi1_masterslavez = RK3399_TXRX_MASTERSLAVEZ, + .dsi1_enableclk = RK3399_TXRX_ENABLECLK, + .grf_dsi1_mode_reg2 = RK3399_GRF_SOC_CON24, .flags = DW_MIPI_NEEDS_PHY_CFG_CLK | DW_MIPI_NEEDS_GRF_CLK, .max_data_lanes = 4, }; @@ -1242,17 +1390,107 @@ static int rockchip_mipi_parse_dt(struct dw_mipi_dsi *dsi) }; MODULE_DEVICE_TABLE(of, dw_mipi_dsi_dt_ids); + +static int rockchip_dsi_dual_channel_probe(struct dw_mipi_dsi *dsi) +{ + struct device_node *np; + struct platform_device *secondary; + + np = of_parse_phandle(dsi->dev->of_node, "rockchip,dual-channel", 0); + if (np) { + secondary = of_find_device_by_node(np); + dsi->slave = platform_get_drvdata(secondary); + of_node_put(np); + + if (!dsi->slave) + return -EPROBE_DEFER; + + dsi->slave->master = dsi; + } + + return 0; +} + static int dw_mipi_dsi_bind(struct device *dev, struct device *master, void *data) { + struct drm_device *drm = data; + struct dw_mipi_dsi *dsi = dev_get_drvdata(dev); + int ret; + + ret = rockchip_dsi_dual_channel_probe(dsi); + if (ret) + return ret; + + ret = clk_prepare_enable(dsi->pllref_clk); + if (ret) { + dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__); + return ret; + } + + pm_runtime_enable(dev); + + if (dsi->master) + return 0; + + ret = dw_mipi_dsi_register(drm, dsi); + if (ret) { + dev_err(dev, "Failed to register mipi_dsi: %d\n", ret); + goto err_pllref; + } + + dsi->dsi_host.ops = &dw_mipi_dsi_host_ops; + dsi->dsi_host.dev = dev; + ret = mipi_dsi_host_register(&dsi->dsi_host); + if (ret) { + dev_err(dev, "Failed to register MIPI host: %d\n", ret); + goto err_cleanup; + } + + if (!dsi->panel) { + ret = -EPROBE_DEFER; + goto err_mipi_dsi_host; + } + + return 0; + +err_mipi_dsi_host: + mipi_dsi_host_unregister(&dsi->dsi_host); +err_cleanup: + drm_encoder_cleanup(&dsi->encoder); + drm_connector_cleanup(&dsi->connector); +err_pllref: + pm_runtime_disable(dev); + clk_disable_unprepare(dsi->pllref_clk); + return ret; +} + +static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, + void *data) +{ + struct dw_mipi_dsi *dsi = dev_get_drvdata(dev); + + mipi_dsi_host_unregister(&dsi->dsi_host); + pm_runtime_disable(dev); + if (dsi->slave) + pm_runtime_disable(dsi->slave->dev); + clk_disable_unprepare(dsi->pllref_clk); +} + +static const struct component_ops dw_mipi_dsi_ops = { + .bind = dw_mipi_dsi_bind, + .unbind = dw_mipi_dsi_unbind, +}; + +static int dw_mipi_dsi_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; const struct of_device_id *of_id = of_match_device(dw_mipi_dsi_dt_ids, dev); const struct dw_mipi_dsi_plat_data *pdata = of_id->data; - struct platform_device *pdev = to_platform_device(dev); - struct reset_control *apb_rst; - struct drm_device *drm = data; struct dw_mipi_dsi *dsi; struct resource *res; + struct reset_control *apb_rst; int ret; dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); @@ -1262,6 +1500,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, dsi->dev = dev; dsi->pdata = pdata; dsi->dpms_mode = DRM_MODE_DPMS_OFF; + dev_set_drvdata(dev, dsi); ret = rockchip_mipi_parse_dt(dsi); if (ret) @@ -1336,63 +1575,6 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master, } } - ret = clk_prepare_enable(dsi->pllref_clk); - if (ret) { - dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__); - return ret; - } - - ret = dw_mipi_dsi_register(drm, dsi); - if (ret) { - dev_err(dev, "Failed to register mipi_dsi: %d\n", ret); - goto err_pllref; - } - - pm_runtime_enable(dev); - - dsi->dsi_host.ops = &dw_mipi_dsi_host_ops; - dsi->dsi_host.dev = dev; - ret = mipi_dsi_host_register(&dsi->dsi_host); - if (ret) { - dev_err(dev, "Failed to register MIPI host: %d\n", ret); - goto err_cleanup; - } - - if (!dsi->panel) { - ret = -EPROBE_DEFER; - goto err_mipi_dsi_host; - } - - dev_set_drvdata(dev, dsi); - return 0; - -err_mipi_dsi_host: - mipi_dsi_host_unregister(&dsi->dsi_host); -err_cleanup: - drm_encoder_cleanup(&dsi->encoder); - drm_connector_cleanup(&dsi->connector); -err_pllref: - clk_disable_unprepare(dsi->pllref_clk); - return ret; -} - -static void dw_mipi_dsi_unbind(struct device *dev, struct device *master, - void *data) -{ - struct dw_mipi_dsi *dsi = dev_get_drvdata(dev); - - mipi_dsi_host_unregister(&dsi->dsi_host); - pm_runtime_disable(dev); - clk_disable_unprepare(dsi->pllref_clk); -} - -static const struct component_ops dw_mipi_dsi_ops = { - .bind = dw_mipi_dsi_bind, - .unbind = dw_mipi_dsi_unbind, -}; - -static int dw_mipi_dsi_probe(struct platform_device *pdev) -{ return component_add(&pdev->dev, &dw_mipi_dsi_ops); } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h index c7e96b8..51ad1c2 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h @@ -36,6 +36,7 @@ struct rockchip_crtc_state { struct drm_crtc_state base; int output_type; int output_mode; + int output_flags; }; #define to_rockchip_crtc_state(s) \ container_of(s, struct rockchip_crtc_state, base) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index bf9ed0e..cb40cdd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -917,6 +917,8 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, case DRM_MODE_CONNECTOR_DSI: VOP_REG_SET(vop, output, mipi_pin_pol, pin_pol); VOP_REG_SET(vop, output, mipi_en, 1); + VOP_REG_SET(vop, output, mipi_dual_channel_en, + !!(s->output_flags & ROCKCHIP_OUTPUT_DSI_DUAL_CHANNEL)); break; case DRM_MODE_CONNECTOR_DisplayPort: pin_pol &= ~BIT(DCLK_INVERT); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 56bbd2e..d184531 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -60,6 +60,7 @@ struct vop_output { struct vop_reg edp_en; struct vop_reg hdmi_en; struct vop_reg mipi_en; + struct vop_reg mipi_dual_channel_en; struct vop_reg rgb_en; }; @@ -212,6 +213,8 @@ struct vop_data { /* for use special outface */ #define ROCKCHIP_OUT_MODE_AAAA 15 +#define ROCKCHIP_OUTPUT_DSI_DUAL_CHANNEL BIT(0) + enum alpha_mode { ALPHA_STRAIGHT, ALPHA_INVERSE, -- 1.9.1