diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/Makefile | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 390 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 38 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/inno_hdmi.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 73 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 97 |
11 files changed, 575 insertions, 91 deletions
diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig index 76b3362c5..d30bdc38a 100644 --- a/drivers/gpu/drm/rockchip/Kconfig +++ b/drivers/gpu/drm/rockchip/Kconfig @@ -16,6 +16,15 @@ config DRM_ROCKCHIP 2D or 3D acceleration; acceleration is performed by other IP found on the SoC. +config ROCKCHIP_ANALOGIX_DP + tristate "Rockchip specific extensions for Analogix DP driver" + depends on DRM_ROCKCHIP + select DRM_ANALOGIX_DP + help + This selects support for Rockchip SoC specific extensions + for the Analogix Core DP driver. If you want to enable DP + on RK3288 based SoC, you should selet this option. + config ROCKCHIP_DW_HDMI tristate "Rockchip specific extensions for Synopsys DW HDMI" depends on DRM_ROCKCHIP diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile index df8fbef17..05d07138a 100644 --- a/drivers/gpu/drm/rockchip/Makefile +++ b/drivers/gpu/drm/rockchip/Makefile @@ -6,6 +6,7 @@ rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o \ rockchip_drm_gem.o rockchip_drm_vop.o rockchipdrm-$(CONFIG_DRM_FBDEV_EMULATION) += rockchip_drm_fbdev.o +obj-$(CONFIG_ROCKCHIP_ANALOGIX_DP) += analogix_dp-rockchip.o obj-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o obj-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o obj-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c new file mode 100644 index 000000000..7f6a55cae --- /dev/null +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -0,0 +1,390 @@ +/* + * Rockchip SoC DP (Display Port) interface driver. + * + * Copyright (C) Fuzhou Rockchip Electronics Co., Ltd. + * Author: Andy Yan <andy.yan@rock-chips.com> + * Yakir Yang <ykk@rock-chips.com> + * Jeff Chen <jeff.chen@rock-chips.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/component.h> +#include <linux/mfd/syscon.h> +#include <linux/of_graph.h> +#include <linux/regmap.h> +#include <linux/reset.h> +#include <linux/clk.h> + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_dp_helper.h> +#include <drm/drm_of.h> +#include <drm/drm_panel.h> + +#include <video/of_videomode.h> +#include <video/videomode.h> + +#include <drm/bridge/analogix_dp.h> + +#include "rockchip_drm_drv.h" +#include "rockchip_drm_vop.h" + +#define to_dp(nm) container_of(nm, struct rockchip_dp_device, nm) + +/* dp grf register offset */ +#define GRF_SOC_CON6 0x025c +#define GRF_EDP_LCD_SEL_MASK BIT(5) +#define GRF_EDP_SEL_VOP_LIT BIT(5) +#define GRF_EDP_SEL_VOP_BIG 0 + +struct rockchip_dp_device { + struct drm_device *drm_dev; + struct device *dev; + struct drm_encoder encoder; + struct drm_display_mode mode; + + struct clk *pclk; + struct regmap *grf; + struct reset_control *rst; + + struct analogix_dp_plat_data plat_data; +}; + +static int rockchip_dp_pre_init(struct rockchip_dp_device *dp) +{ + reset_control_assert(dp->rst); + usleep_range(10, 20); + reset_control_deassert(dp->rst); + + return 0; +} + +static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data) +{ + struct rockchip_dp_device *dp = to_dp(plat_data); + int ret; + + ret = clk_prepare_enable(dp->pclk); + if (ret < 0) { + dev_err(dp->dev, "failed to enable pclk %d\n", ret); + return ret; + } + + ret = rockchip_dp_pre_init(dp); + if (ret < 0) { + dev_err(dp->dev, "failed to dp pre init %d\n", ret); + return ret; + } + + return 0; +} + +static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data) +{ + struct rockchip_dp_device *dp = to_dp(plat_data); + + clk_disable_unprepare(dp->pclk); + + return 0; +} + +static bool +rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + /* do nothing */ + return true; +} + +static void rockchip_dp_drm_encoder_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted) +{ + /* do nothing */ +} + +static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder) +{ + struct rockchip_dp_device *dp = to_dp(encoder); + int ret; + u32 val; + + ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder); + if (ret < 0) + return; + + if (ret) + val = GRF_EDP_SEL_VOP_LIT | (GRF_EDP_LCD_SEL_MASK << 16); + else + val = GRF_EDP_SEL_VOP_BIG | (GRF_EDP_LCD_SEL_MASK << 16); + + dev_dbg(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG"); + + ret = regmap_write(dp->grf, GRF_SOC_CON6, val); + if (ret != 0) { + dev_err(dp->dev, "Could not write to GRF: %d\n", ret); + return; + } +} + +static void rockchip_dp_drm_encoder_nop(struct drm_encoder *encoder) +{ + /* do nothing */ +} + +static int +rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); + + /* + * FIXME(Yakir): driver should configure the CRTC output video + * mode with the display information which indicated the monitor + * support colorimetry. + * + * But don't know why the CRTC driver seems could only output the + * RGBaaa rightly. For example, if connect the "innolux,n116bge" + * eDP screen, EDID would indicated that screen only accepted the + * 6bpc mode. But if I configure CRTC to RGB666 output, then eDP + * screen would show a blue picture (RGB888 show a green picture). + * But if I configure CTRC to RGBaaa, and eDP driver still keep + * RGB666 input video mode, then screen would works prefect. + */ + s->output_mode = ROCKCHIP_OUT_MODE_AAAA; + s->output_type = DRM_MODE_CONNECTOR_eDP; + + return 0; +} + +static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = { + .mode_fixup = rockchip_dp_drm_encoder_mode_fixup, + .mode_set = rockchip_dp_drm_encoder_mode_set, + .enable = rockchip_dp_drm_encoder_enable, + .disable = rockchip_dp_drm_encoder_nop, + .atomic_check = rockchip_dp_drm_encoder_atomic_check, +}; + +static void rockchip_dp_drm_encoder_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); +} + +static struct drm_encoder_funcs rockchip_dp_encoder_funcs = { + .destroy = rockchip_dp_drm_encoder_destroy, +}; + +static int rockchip_dp_init(struct rockchip_dp_device *dp) +{ + struct device *dev = dp->dev; + struct device_node *np = dev->of_node; + int ret; + + dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); + if (IS_ERR(dp->grf)) { + dev_err(dev, "failed to get rockchip,grf property\n"); + return PTR_ERR(dp->grf); + } + + dp->pclk = devm_clk_get(dev, "pclk"); + if (IS_ERR(dp->pclk)) { + dev_err(dev, "failed to get pclk property\n"); + return PTR_ERR(dp->pclk); + } + + dp->rst = devm_reset_control_get(dev, "dp"); + if (IS_ERR(dp->rst)) { + dev_err(dev, "failed to get dp reset control\n"); + return PTR_ERR(dp->rst); + } + + ret = clk_prepare_enable(dp->pclk); + if (ret < 0) { + dev_err(dp->dev, "failed to enable pclk %d\n", ret); + return ret; + } + + ret = rockchip_dp_pre_init(dp); + if (ret < 0) { + dev_err(dp->dev, "failed to pre init %d\n", ret); + return ret; + } + + return 0; +} + +static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp) +{ + struct drm_encoder *encoder = &dp->encoder; + struct drm_device *drm_dev = dp->drm_dev; + struct device *dev = dp->dev; + int ret; + + encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev, + dev->of_node); + DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs); + + ret = drm_encoder_init(drm_dev, encoder, &rockchip_dp_encoder_funcs, + DRM_MODE_ENCODER_TMDS, NULL); + if (ret) { + DRM_ERROR("failed to initialize encoder with drm\n"); + return ret; + } + + drm_encoder_helper_add(encoder, &rockchip_dp_encoder_helper_funcs); + + return 0; +} + +static int rockchip_dp_bind(struct device *dev, struct device *master, + void *data) +{ + struct rockchip_dp_device *dp = dev_get_drvdata(dev); + struct drm_device *drm_dev = data; + int ret; + + /* + * Just like the probe function said, we don't need the + * device drvrate anymore, we should leave the charge to + * analogix dp driver, set the device drvdata to NULL. + */ + dev_set_drvdata(dev, NULL); + + ret = rockchip_dp_init(dp); + if (ret < 0) + return ret; + + dp->drm_dev = drm_dev; + + ret = rockchip_dp_drm_create_encoder(dp); + if (ret) { + DRM_ERROR("failed to create drm encoder\n"); + return ret; + } + + dp->plat_data.encoder = &dp->encoder; + + dp->plat_data.dev_type = RK3288_DP; + dp->plat_data.power_on = rockchip_dp_poweron; + dp->plat_data.power_off = rockchip_dp_powerdown; + + return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); +} + +static void rockchip_dp_unbind(struct device *dev, struct device *master, + void *data) +{ + return analogix_dp_unbind(dev, master, data); +} + +static const struct component_ops rockchip_dp_component_ops = { + .bind = rockchip_dp_bind, + .unbind = rockchip_dp_unbind, +}; + +static int rockchip_dp_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *panel_node, *port, *endpoint; + struct rockchip_dp_device *dp; + struct drm_panel *panel; + + port = of_graph_get_port_by_id(dev->of_node, 1); + if (!port) { + dev_err(dev, "can't find output port\n"); + return -EINVAL; + } + + endpoint = of_get_child_by_name(port, "endpoint"); + of_node_put(port); + if (!endpoint) { + dev_err(dev, "no output endpoint found\n"); + return -EINVAL; + } + + panel_node = of_graph_get_remote_port_parent(endpoint); + of_node_put(endpoint); + if (!panel_node) { + dev_err(dev, "no output node found\n"); + return -EINVAL; + } + + panel = of_drm_find_panel(panel_node); + if (!panel) { + DRM_ERROR("failed to find panel\n"); + of_node_put(panel_node); + return -EPROBE_DEFER; + } + + of_node_put(panel_node); + + dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL); + if (!dp) + return -ENOMEM; + + dp->dev = dev; + + dp->plat_data.panel = panel; + + /* + * We just use the drvdata until driver run into component + * add function, and then we would set drvdata to null, so + * that analogix dp driver could take charge of the drvdata. + */ + platform_set_drvdata(pdev, dp); + + return component_add(dev, &rockchip_dp_component_ops); +} + +static int rockchip_dp_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &rockchip_dp_component_ops); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int rockchip_dp_suspend(struct device *dev) +{ + return analogix_dp_suspend(dev); +} + +static int rockchip_dp_resume(struct device *dev) +{ + return analogix_dp_resume(dev); +} +#endif + +static const struct dev_pm_ops rockchip_dp_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(rockchip_dp_suspend, rockchip_dp_resume) +}; + +static const struct of_device_id rockchip_dp_dt_ids[] = { + {.compatible = "rockchip,rk3288-dp",}, + {} +}; +MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids); + +static struct platform_driver rockchip_dp_driver = { + .probe = rockchip_dp_probe, + .remove = rockchip_dp_remove, + .driver = { + .name = "rockchip-dp", + .owner = THIS_MODULE, + .pm = &rockchip_dp_pm_ops, + .of_match_table = of_match_ptr(rockchip_dp_dt_ids), + }, +}; + +module_platform_driver(rockchip_dp_driver); + +MODULE_AUTHOR("Yakir Yang <ykk@rock-chips.com>"); +MODULE_AUTHOR("Jeff chen <jeff.chen@rock-chips.com>"); +MODULE_DESCRIPTION("Rockchip Specific Analogix-DP Driver Extension"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index 797515806..dedc65b40 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -879,7 +879,6 @@ static void dw_mipi_dsi_encoder_commit(struct drm_encoder *encoder) { struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder); - u32 interface_pix_fmt; u32 val; if (clk_prepare_enable(dsi->pclk)) { @@ -895,31 +894,41 @@ static void dw_mipi_dsi_encoder_commit(struct drm_encoder *encoder) clk_disable_unprepare(dsi->pclk); + if (mux) + val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16); + else + val = DSI0_SEL_VOP_LIT << 16; + + regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val); + dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); +} + +static int +dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); + struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder); + switch (dsi->format) { case MIPI_DSI_FMT_RGB888: - interface_pix_fmt = ROCKCHIP_OUT_MODE_P888; + s->output_mode = ROCKCHIP_OUT_MODE_P888; break; case MIPI_DSI_FMT_RGB666: - interface_pix_fmt = ROCKCHIP_OUT_MODE_P666; + s->output_mode = ROCKCHIP_OUT_MODE_P666; break; case MIPI_DSI_FMT_RGB565: - interface_pix_fmt = ROCKCHIP_OUT_MODE_P565; + s->output_mode = ROCKCHIP_OUT_MODE_P565; break; default: WARN_ON(1); - return; + return -EINVAL; } - rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_DSI, - interface_pix_fmt); + s->output_type = DRM_MODE_CONNECTOR_DSI; - if (mux) - val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16); - else - val = DSI0_SEL_VOP_LIT << 16; - - regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val); - dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG"); + return 0; } static struct drm_encoder_helper_funcs @@ -927,6 +936,7 @@ dw_mipi_dsi_encoder_helper_funcs = { .commit = dw_mipi_dsi_encoder_commit, .mode_set = dw_mipi_dsi_encoder_mode_set, .disable = dw_mipi_dsi_encoder_disable, + .atomic_check = dw_mipi_dsi_encoder_atomic_check, }; static struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index d5cfef75f..801110f65 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -201,9 +201,6 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder) u32 val; int mux; - rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_HDMIA, - ROCKCHIP_OUT_MODE_AAAA); - mux = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder); if (mux) val = HDMI_SEL_VOP_LIT | (HDMI_SEL_VOP_LIT << 16); @@ -215,11 +212,25 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder) (mux) ? "LIT" : "BIG"); } +static int +dw_hdmi_rockchip_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); + + s->output_mode = ROCKCHIP_OUT_MODE_AAAA; + s->output_type = DRM_MODE_CONNECTOR_HDMIA; + + return 0; +} + static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_funcs = { .mode_fixup = dw_hdmi_rockchip_encoder_mode_fixup, .mode_set = dw_hdmi_rockchip_encoder_mode_set, .enable = dw_hdmi_rockchip_encoder_enable, .disable = dw_hdmi_rockchip_encoder_disable, + .atomic_check = dw_hdmi_rockchip_encoder_atomic_check, }; static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = { diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index 10d62fff2..f8b4feb60 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -500,9 +500,6 @@ static void inno_hdmi_encoder_enable(struct drm_encoder *encoder) { struct inno_hdmi *hdmi = to_inno_hdmi(encoder); - rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_HDMIA, - ROCKCHIP_OUT_MODE_P888); - inno_hdmi_set_pwr_mode(hdmi, NORMAL); } @@ -520,11 +517,25 @@ static bool inno_hdmi_encoder_mode_fixup(struct drm_encoder *encoder, return true; } +static int +inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); + + s->output_mode = ROCKCHIP_OUT_MODE_P888; + s->output_type = DRM_MODE_CONNECTOR_HDMIA; + + return 0; +} + static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = { .enable = inno_hdmi_encoder_enable, .disable = inno_hdmi_encoder_disable, .mode_fixup = inno_hdmi_encoder_mode_fixup, .mode_set = inno_hdmi_encoder_mode_set, + .atomic_check = inno_hdmi_encoder_atomic_check, }; static struct drm_encoder_funcs inno_hdmi_encoder_funcs = { @@ -855,8 +866,9 @@ static int inno_hdmi_bind(struct device *dev, struct device *master, hdmi->ddc = inno_hdmi_i2c_adapter(hdmi); if (IS_ERR(hdmi->ddc)) { + ret = PTR_ERR(hdmi->ddc); hdmi->ddc = NULL; - return PTR_ERR(hdmi->ddc); + return ret; } /* diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index f556a8f4f..a409d1f70 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -36,6 +36,8 @@ #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 +static bool is_support_iommu = true; + /* * Attach a (component) device to the shared drm dma mapping from master drm * device. This is used by the VOPs to map GEM buffers to a common DMA @@ -47,6 +49,9 @@ int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, struct dma_iommu_mapping *mapping = drm_dev->dev->archdata.mapping; int ret; + if (!is_support_iommu) + return 0; + ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); if (ret) return ret; @@ -59,6 +64,9 @@ int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, struct device *dev) { + if (!is_support_iommu) + return; + arm_iommu_detach_device(dev); } @@ -127,7 +135,7 @@ static void rockchip_drm_crtc_disable_vblank(struct drm_device *dev, static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags) { struct rockchip_drm_private *private; - struct dma_iommu_mapping *mapping; + struct dma_iommu_mapping *mapping = NULL; struct device *dev = drm_dev->dev; struct drm_connector *connector; int ret; @@ -152,23 +160,26 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags) goto err_config_cleanup; } - /* TODO(djkurtz): fetch the mapping start/size from somewhere */ - mapping = arm_iommu_create_mapping(&platform_bus_type, 0x00000000, - SZ_2G); - if (IS_ERR(mapping)) { - ret = PTR_ERR(mapping); - goto err_config_cleanup; - } + if (is_support_iommu) { + /* TODO(djkurtz): fetch the mapping start/size from somewhere */ + mapping = arm_iommu_create_mapping(&platform_bus_type, + 0x00000000, + SZ_2G); + if (IS_ERR(mapping)) { + ret = PTR_ERR(mapping); + goto err_config_cleanup; + } - ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); - if (ret) - goto err_release_mapping; + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + if (ret) + goto err_release_mapping; - dma_set_max_seg_size(dev, DMA_BIT_MASK(32)); + dma_set_max_seg_size(dev, DMA_BIT_MASK(32)); - ret = arm_iommu_attach_device(dev, mapping); - if (ret) - goto err_release_mapping; + ret = arm_iommu_attach_device(dev, mapping); + if (ret) + goto err_release_mapping; + } /* Try to bind all sub drivers. */ ret = component_bind_all(dev, drm_dev); @@ -205,19 +216,14 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags) if (ret) goto err_kms_helper_poll_fini; - /* - * with vblank_disable_allowed = true, vblank interrupt will be disabled - * by drm timer once a current process gives up ownership of - * vblank event.(after drm_vblank_put function is called) - */ - drm_dev->vblank_disable_allowed = true; - drm_mode_config_reset(drm_dev); ret = rockchip_drm_fbdev_init(drm_dev); if (ret) goto err_vblank_cleanup; + if (is_support_iommu) + arm_iommu_release_mapping(mapping); return 0; err_vblank_cleanup: drm_vblank_cleanup(drm_dev); @@ -226,9 +232,11 @@ err_kms_helper_poll_fini: err_unbind: component_unbind_all(dev, drm_dev); err_detach_device: - arm_iommu_detach_device(dev); + if (is_support_iommu) + arm_iommu_detach_device(dev); err_release_mapping: - arm_iommu_release_mapping(dev->archdata.mapping); + if (is_support_iommu) + arm_iommu_release_mapping(mapping); err_config_cleanup: drm_mode_config_cleanup(drm_dev); drm_dev->dev_private = NULL; @@ -243,8 +251,8 @@ static int rockchip_drm_unload(struct drm_device *drm_dev) drm_vblank_cleanup(drm_dev); drm_kms_helper_poll_fini(drm_dev); component_unbind_all(dev, drm_dev); - arm_iommu_detach_device(dev); - arm_iommu_release_mapping(dev->archdata.mapping); + if (is_support_iommu) + arm_iommu_detach_device(dev); drm_mode_config_cleanup(drm_dev); drm_dev->dev_private = NULL; @@ -488,6 +496,8 @@ static int rockchip_drm_platform_probe(struct platform_device *pdev) * works as expected. */ for (i = 0;; i++) { + struct device_node *iommu; + port = of_parse_phandle(np, "ports", i); if (!port) break; @@ -497,6 +507,17 @@ static int rockchip_drm_platform_probe(struct platform_device *pdev) continue; } + iommu = of_parse_phandle(port->parent, "iommus", 0); + if (!iommu || !of_device_is_available(iommu->parent)) { + dev_dbg(dev, "no iommu attached for %s, using non-iommu buffers\n", + port->parent->full_name); + /* + * if there is a crtc not support iommu, force set all + * crtc use non-iommu buffer. + */ + is_support_iommu = false; + } + component_match_add(dev, &match, compare_of, port->parent); of_node_put(port); } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h index 00d17d71a..56f43a364 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h @@ -50,6 +50,14 @@ struct rockchip_atomic_commit { struct mutex lock; }; +struct rockchip_crtc_state { + struct drm_crtc_state base; + int output_type; + int output_mode; +}; +#define to_rockchip_crtc_state(s) \ + container_of(s, struct rockchip_crtc_state, base) + /* * Rockchip drm private structure. * @@ -68,8 +76,6 @@ void rockchip_drm_atomic_work(struct work_struct *work); int rockchip_register_crtc_funcs(struct drm_crtc *crtc, const struct rockchip_crtc_funcs *crtc_funcs); void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc); -int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, int connector_type, - int out_mode); int rockchip_drm_dma_attach_device(struct drm_device *drm_dev, struct device *dev); void rockchip_drm_dma_detach_device(struct drm_device *drm_dev, diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 3b8f65269..755cfdba6 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -123,8 +123,7 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, unsigned int height = mode_cmd->height / (i ? vsub : 1); unsigned int min_size; - obj = drm_gem_object_lookup(dev, file_priv, - mode_cmd->handles[i]); + obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]); if (!obj) { dev_err(dev->dev, "Failed to lookup GEM object\n"); ret = -ENXIO; @@ -276,7 +275,7 @@ void rockchip_drm_atomic_work(struct work_struct *work) int rockchip_drm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { struct rockchip_drm_private *private = dev->dev_private; struct rockchip_atomic_commit *commit = &private->commit; @@ -286,7 +285,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev, if (ret) return ret; - /* serialize outstanding asynchronous commits */ + /* serialize outstanding nonblocking commits */ mutex_lock(&commit->lock); flush_work(&commit->work); @@ -295,7 +294,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev, commit->dev = dev; commit->state = state; - if (async) + if (nonblock) schedule_work(&commit->work); else rockchip_atomic_commit_complete(commit); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 18e07338c..9c2d8a894 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -198,7 +198,7 @@ int rockchip_gem_dumb_map_offset(struct drm_file *file_priv, struct drm_gem_object *obj; int ret; - obj = drm_gem_object_lookup(dev, file_priv, handle); + obj = drm_gem_object_lookup(file_priv, handle); if (!obj) { DRM_ERROR("failed to lookup gem object.\n"); return -EINVAL; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index a619f120f..1c4d5b5a7 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -310,7 +310,7 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win, uint16_t vsu_mode; uint16_t lb_mode; uint32_t val; - int vskiplines; + int vskiplines = 0; if (dst_w > 3840) { DRM_ERROR("Maximum destination width (3840) exceeded\n"); @@ -560,6 +560,22 @@ static void vop_plane_destroy(struct drm_plane *plane) drm_plane_cleanup(plane); } +static int vop_plane_prepare_fb(struct drm_plane *plane, + const struct drm_plane_state *new_state) +{ + if (plane->state->fb) + drm_framebuffer_reference(plane->state->fb); + + return 0; +} + +static void vop_plane_cleanup_fb(struct drm_plane *plane, + const struct drm_plane_state *old_state) +{ + if (old_state->fb) + drm_framebuffer_unreference(old_state->fb); +} + static int vop_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { @@ -756,6 +772,8 @@ static void vop_plane_atomic_update(struct drm_plane *plane, } static const struct drm_plane_helper_funcs plane_helper_funcs = { + .prepare_fb = vop_plane_prepare_fb, + .cleanup_fb = vop_plane_cleanup_fb, .atomic_check = vop_plane_atomic_check, .atomic_update = vop_plane_atomic_update, .atomic_disable = vop_plane_atomic_disable, @@ -804,7 +822,7 @@ static void vop_atomic_plane_destroy_state(struct drm_plane *plane, { struct vop_plane_state *vop_state = to_vop_plane_state(state); - __drm_atomic_helper_plane_destroy_state(plane, state); + __drm_atomic_helper_plane_destroy_state(state); kfree(vop_state); } @@ -818,38 +836,6 @@ static const struct drm_plane_funcs vop_plane_funcs = { .atomic_destroy_state = vop_atomic_plane_destroy_state, }; -int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, - int connector_type, - int out_mode) -{ - struct vop *vop = to_vop(crtc); - - if (WARN_ON(!vop->is_enabled)) - return -EINVAL; - - switch (connector_type) { - case DRM_MODE_CONNECTOR_LVDS: - VOP_CTRL_SET(vop, rgb_en, 1); - break; - case DRM_MODE_CONNECTOR_eDP: - VOP_CTRL_SET(vop, edp_en, 1); - break; - case DRM_MODE_CONNECTOR_HDMIA: - VOP_CTRL_SET(vop, hdmi_en, 1); - break; - case DRM_MODE_CONNECTOR_DSI: - VOP_CTRL_SET(vop, mipi_en, 1); - break; - default: - DRM_ERROR("unsupport connector_type[%d]\n", connector_type); - return -EINVAL; - }; - VOP_CTRL_SET(vop, out_mode, out_mode); - - return 0; -} -EXPORT_SYMBOL_GPL(rockchip_drm_crtc_mode_config); - static int vop_crtc_enable_vblank(struct drm_crtc *crtc) { struct vop *vop = to_vop(crtc); @@ -931,6 +917,7 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, static void vop_crtc_enable(struct drm_crtc *crtc) { struct vop *vop = to_vop(crtc); + struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state); struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode; u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start; u16 hdisplay = adjusted_mode->hdisplay; @@ -985,6 +972,23 @@ static void vop_crtc_enable(struct drm_crtc *crtc) val |= (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ? 0 : 1; val |= (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) ? 0 : (1 << 1); VOP_CTRL_SET(vop, pin_pol, val); + switch (s->output_type) { + case DRM_MODE_CONNECTOR_LVDS: + VOP_CTRL_SET(vop, rgb_en, 1); + break; + case DRM_MODE_CONNECTOR_eDP: + VOP_CTRL_SET(vop, edp_en, 1); + break; + case DRM_MODE_CONNECTOR_HDMIA: + VOP_CTRL_SET(vop, hdmi_en, 1); + break; + case DRM_MODE_CONNECTOR_DSI: + VOP_CTRL_SET(vop, mipi_en, 1); + break; + default: + DRM_ERROR("unsupport connector_type[%d]\n", s->output_type); + } + VOP_CTRL_SET(vop, out_mode, s->output_mode); VOP_CTRL_SET(vop, htotal_pw, (htotal << 16) | hsync_len); val = hact_st << 16; @@ -1044,13 +1048,34 @@ static void vop_crtc_destroy(struct drm_crtc *crtc) drm_crtc_cleanup(crtc); } +static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc) +{ + struct rockchip_crtc_state *rockchip_state; + + rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL); + if (!rockchip_state) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &rockchip_state->base); + return &rockchip_state->base; +} + +static void vop_crtc_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + struct rockchip_crtc_state *s = to_rockchip_crtc_state(state); + + __drm_atomic_helper_crtc_destroy_state(&s->base); + kfree(s); +} + static const struct drm_crtc_funcs vop_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, .destroy = vop_crtc_destroy, .reset = drm_atomic_helper_crtc_reset, - .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, + .atomic_duplicate_state = vop_crtc_duplicate_state, + .atomic_destroy_state = vop_crtc_destroy_state, }; static bool vop_win_pending_is_complete(struct vop_win *vop_win) |