diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_host.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 59 |
1 files changed, 21 insertions, 38 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index a50f4dda5941..185d7de0bf37 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -7,7 +7,6 @@ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/err.h> -#include <linux/gpio/consumer.h> #include <linux/interrupt.h> #include <linux/mfd/syscon.h> #include <linux/of.h> @@ -130,9 +129,6 @@ struct msm_dsi_host { unsigned long src_clk_rate; - struct gpio_desc *disp_en_gpio; - struct gpio_desc *te_gpio; - const struct msm_dsi_cfg_handler *cfg_hnd; struct completion dma_comp; @@ -754,6 +750,8 @@ static void dsi_ctrl_enable(struct msm_dsi_host *msm_host, data |= DSI_VID_CFG0_TRAFFIC_MODE(dsi_get_traffic_mode(flags)); data |= DSI_VID_CFG0_DST_FORMAT(dsi_get_vid_fmt(mipi_fmt)); data |= DSI_VID_CFG0_VIRT_CHANNEL(msm_host->channel); + if (msm_dsi_host_is_wide_bus_enabled(&msm_host->base)) + data |= DSI_VID_CFG0_DATABUS_WIDEN; dsi_write(msm_host, REG_DSI_VID_CFG0, data); /* Do not swap RGB colors */ @@ -778,7 +776,6 @@ static void dsi_ctrl_enable(struct msm_dsi_host *msm_host, if (cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V1_3) data |= DSI_CMD_MODE_MDP_CTRL2_BURST_MODE; - /* TODO: Allow for video-mode support once tested/fixed */ if (msm_dsi_host_is_wide_bus_enabled(&msm_host->base)) data |= DSI_CMD_MODE_MDP_CTRL2_DATABUS_WIDEN; @@ -856,6 +853,7 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod u32 slice_per_intf, total_bytes_per_intf; u32 pkt_per_line; u32 eol_byte_num; + u32 bytes_per_pkt; /* first calculate dsc parameters and then program * compress mode registers @@ -863,6 +861,7 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod slice_per_intf = msm_dsc_get_slices_per_intf(dsc, hdisplay); total_bytes_per_intf = dsc->slice_chunk_size * slice_per_intf; + bytes_per_pkt = dsc->slice_chunk_size; /* * slice_per_pkt; */ eol_byte_num = total_bytes_per_intf % 3; @@ -882,7 +881,11 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod /* DSI_VIDEO_COMPRESSION_MODE & DSI_COMMAND_COMPRESSION_MODE * registers have similar offsets, so for below common code use * DSI_VIDEO_COMPRESSION_MODE_XXXX for setting bits + * + * pkt_per_line is log2 encoded, >>1 works for supported values (1,2,4) */ + if (pkt_per_line > 4) + drm_warn_once(msm_host->dev, "pkt_per_line too big"); reg |= DSI_VIDEO_COMPRESSION_MODE_CTRL_PKT_PER_LINE(pkt_per_line >> 1); reg |= DSI_VIDEO_COMPRESSION_MODE_CTRL_EOL_BYTE_NUM(eol_byte_num); reg |= DSI_VIDEO_COMPRESSION_MODE_CTRL_EN; @@ -900,6 +903,7 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod dsi_write(msm_host, REG_DSI_COMMAND_COMPRESSION_MODE_CTRL, reg_ctrl); dsi_write(msm_host, REG_DSI_COMMAND_COMPRESSION_MODE_CTRL2, reg_ctrl2); } else { + reg |= DSI_VIDEO_COMPRESSION_MODE_CTRL_WC(bytes_per_pkt); dsi_write(msm_host, REG_DSI_VIDEO_COMPRESSION_MODE_CTRL, reg); } } @@ -1613,28 +1617,6 @@ static irqreturn_t dsi_host_irq(int irq, void *ptr) return IRQ_HANDLED; } -static int dsi_host_init_panel_gpios(struct msm_dsi_host *msm_host, - struct device *panel_device) -{ - msm_host->disp_en_gpio = devm_gpiod_get_optional(panel_device, - "disp-enable", - GPIOD_OUT_LOW); - if (IS_ERR(msm_host->disp_en_gpio)) { - DBG("cannot get disp-enable-gpios %ld", - PTR_ERR(msm_host->disp_en_gpio)); - return PTR_ERR(msm_host->disp_en_gpio); - } - - msm_host->te_gpio = devm_gpiod_get_optional(panel_device, "disp-te", - GPIOD_IN); - if (IS_ERR(msm_host->te_gpio)) { - DBG("cannot get disp-te-gpios %ld", PTR_ERR(msm_host->te_gpio)); - return PTR_ERR(msm_host->te_gpio); - } - - return 0; -} - static int dsi_host_attach(struct mipi_dsi_host *host, struct mipi_dsi_device *dsi) { @@ -1651,11 +1633,6 @@ static int dsi_host_attach(struct mipi_dsi_host *host, if (dsi->dsc) msm_host->dsc = dsi->dsc; - /* Some gpios defined in panel DT need to be controlled by host */ - ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev); - if (ret) - return ret; - ret = dsi_dev_attach(msm_host->pdev); if (ret) return ret; @@ -1817,9 +1794,11 @@ static int dsi_populate_dsc_params(struct msm_dsi_host *msm_host, struct drm_dsc static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) { + struct msm_dsi *msm_dsi = platform_get_drvdata(msm_host->pdev); struct device *dev = &msm_host->pdev->dev; struct device_node *np = dev->of_node; struct device_node *endpoint; + const char *te_source; int ret = 0; /* @@ -1842,6 +1821,16 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) goto err; } + ret = of_property_read_string(endpoint, "qcom,te-source", &te_source); + if (ret && ret != -EINVAL) { + DRM_DEV_ERROR(dev, "%s: invalid TE source configuration %d\n", + __func__, ret); + goto err; + } + if (!ret) + msm_dsi->te_source = devm_kstrdup(dev, te_source, GFP_KERNEL); + ret = 0; + if (of_property_read_bool(np, "syscon-sfpb")) { msm_host->sfpb = syscon_regmap_lookup_by_phandle(np, "syscon-sfpb"); @@ -2422,9 +2411,6 @@ int msm_dsi_host_power_on(struct mipi_dsi_host *host, dsi_sw_reset(msm_host); dsi_ctrl_enable(msm_host, phy_shared_timings, phy); - if (msm_host->disp_en_gpio) - gpiod_set_value(msm_host->disp_en_gpio, 1); - msm_host->power_on = true; mutex_unlock(&msm_host->dev_mutex); @@ -2454,9 +2440,6 @@ int msm_dsi_host_power_off(struct mipi_dsi_host *host) dsi_ctrl_disable(msm_host); - if (msm_host->disp_en_gpio) - gpiod_set_value(msm_host->disp_en_gpio, 0); - pinctrl_pm_select_sleep_state(&msm_host->pdev->dev); cfg_hnd->ops->link_clk_disable(msm_host); |