diff options
55 files changed, 3362 insertions, 1259 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 284969fa289..4907a747f3e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2816,7 +2816,9 @@ L: dri-devel@lists.freedesktop.org L: linux-tegra@vger.kernel.org T: git git://anongit.freedesktop.org/tegra/linux.git S: Maintained +F: drivers/gpu/drm/tegra/ F: drivers/gpu/host1x/ +F: include/linux/host1x.h F: include/uapi/drm/tegra_drm.h F: Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index e41a2d0311f..f8642759116 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -189,3 +189,5 @@ source "drivers/gpu/drm/tilcdc/Kconfig" source "drivers/gpu/drm/qxl/Kconfig" source "drivers/gpu/drm/msm/Kconfig" + +source "drivers/gpu/drm/tegra/Kconfig" diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 5266e9fae21..cc08b845f96 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -57,4 +57,5 @@ obj-$(CONFIG_DRM_OMAP) += omapdrm/ obj-$(CONFIG_DRM_TILCDC) += tilcdc/ obj-$(CONFIG_DRM_QXL) += qxl/ obj-$(CONFIG_DRM_MSM) += msm/ +obj-$(CONFIG_DRM_TEGRA) += tegra/ obj-y += i2c/ diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index dbcd68709ab..305b4cdcfb2 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -567,6 +567,14 @@ drm_crtc_helper_disable(struct drm_crtc *crtc) continue; connector->encoder = NULL; + + /* + * drm_helper_disable_unused_functions() ought to be + * doing this, but since we've decoupled the encoder + * from the connector above, the required connection + * between them is henceforth no longer available. + */ + connector->dpms = DRM_MODE_DPMS_OFF; } } diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index b55f138bd99..138de14134f 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -396,7 +396,7 @@ long drm_ioctl(struct file *filp, err_i1: if (!ioctl) - DRM_DEBUG("invalid iotcl: pid=%d, dev=0x%lx, auth=%d, cmd=0x%02x, nr=0x%02x\n", + DRM_DEBUG("invalid ioctl: pid=%d, dev=0x%lx, auth=%d, cmd=0x%02x, nr=0x%02x\n", task_pid_nr(current), (long)old_encode_dev(file_priv->minor->device), file_priv->authenticated, cmd, nr); diff --git a/drivers/gpu/host1x/drm/Kconfig b/drivers/gpu/drm/tegra/Kconfig index 0f36ddd74e8..8961ba6a34b 100644 --- a/drivers/gpu/host1x/drm/Kconfig +++ b/drivers/gpu/drm/tegra/Kconfig @@ -1,6 +1,8 @@ config DRM_TEGRA bool "NVIDIA Tegra DRM" + depends on ARCH_TEGRA || ARCH_MULTIPLATFORM depends on DRM + select TEGRA_HOST1X select DRM_KMS_HELPER select DRM_KMS_FB_HELPER select FB_SYS_FILLRECT @@ -14,6 +16,11 @@ config DRM_TEGRA if DRM_TEGRA +config DRM_TEGRA_DEBUG + bool "NVIDIA Tegra DRM debug support" + help + Say yes here to enable debugging support. + config DRM_TEGRA_STAGING bool "Enable HOST1X interface" depends on STAGING @@ -22,9 +29,4 @@ config DRM_TEGRA_STAGING If unsure, choose N. -config DRM_TEGRA_DEBUG - bool "NVIDIA Tegra DRM debug support" - help - Say yes here to enable debugging support. - endif diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile new file mode 100644 index 00000000000..edc76abd58b --- /dev/null +++ b/drivers/gpu/drm/tegra/Makefile @@ -0,0 +1,15 @@ +ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG + +tegra-drm-y := \ + bus.o \ + drm.o \ + gem.o \ + fb.o \ + dc.o \ + output.o \ + rgb.o \ + hdmi.o \ + gr2d.o \ + gr3d.o + +obj-$(CONFIG_DRM_TEGRA) += tegra-drm.o diff --git a/drivers/gpu/drm/tegra/bus.c b/drivers/gpu/drm/tegra/bus.c new file mode 100644 index 00000000000..565f8f7b9a4 --- /dev/null +++ b/drivers/gpu/drm/tegra/bus.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2013 NVIDIA Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "drm.h" + +static int drm_host1x_set_busid(struct drm_device *dev, + struct drm_master *master) +{ + const char *device = dev_name(dev->dev); + const char *driver = dev->driver->name; + const char *bus = dev->dev->bus->name; + int length; + + master->unique_len = strlen(bus) + 1 + strlen(device); + master->unique_size = master->unique_len; + + master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL); + if (!master->unique) + return -ENOMEM; + + snprintf(master->unique, master->unique_len + 1, "%s:%s", bus, device); + + length = strlen(driver) + 1 + master->unique_len; + + dev->devname = kmalloc(length + 1, GFP_KERNEL); + if (!dev->devname) + return -ENOMEM; + + snprintf(dev->devname, length + 1, "%s@%s", driver, master->unique); + + return 0; +} + +static struct drm_bus drm_host1x_bus = { + .bus_type = DRIVER_BUS_HOST1X, + .set_busid = drm_host1x_set_busid, +}; + +int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device) +{ + struct drm_device *drm; + int ret; + + INIT_LIST_HEAD(&driver->device_list); + driver->bus = &drm_host1x_bus; + + drm = drm_dev_alloc(driver, &device->dev); + if (!drm) + return -ENOMEM; + + ret = drm_dev_register(drm, 0); + if (ret) + goto err_free; + + DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, + driver->major, driver->minor, driver->patchlevel, + driver->date, drm->primary->index); + + return 0; + +err_free: + drm_dev_free(drm); + return ret; +} + +void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device) +{ + struct tegra_drm *tegra = dev_get_drvdata(&device->dev); + + drm_put_dev(tegra->drm); +} diff --git a/drivers/gpu/host1x/drm/dc.c b/drivers/gpu/drm/tegra/dc.c index b1a05ad901c..ae1cb31ead7 100644 --- a/drivers/gpu/host1x/drm/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -8,13 +8,9 @@ */ #include <linux/clk.h> -#include <linux/debugfs.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/platform_device.h> #include <linux/clk/tegra.h> +#include <linux/debugfs.h> -#include "host1x_client.h" #include "dc.h" #include "drm.h" #include "gem.h" @@ -51,6 +47,8 @@ static int tegra_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, window.dst.h = crtc_h; window.format = tegra_dc_format(fb->pixel_format); window.bits_per_pixel = fb->bits_per_pixel; + window.bottom_up = tegra_fb_is_bottom_up(fb); + window.tiled = tegra_fb_is_tiled(fb); for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) { struct tegra_bo *bo = tegra_fb_get_plane(fb, i); @@ -97,8 +95,11 @@ static int tegra_plane_disable(struct drm_plane *plane) static void tegra_plane_destroy(struct drm_plane *plane) { + struct tegra_plane *p = to_tegra_plane(plane); + tegra_plane_disable(plane); drm_plane_cleanup(plane); + kfree(p); } static const struct drm_plane_funcs tegra_plane_funcs = { @@ -124,7 +125,7 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc) for (i = 0; i < 2; i++) { struct tegra_plane *plane; - plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL); + plane = kzalloc(sizeof(*plane), GFP_KERNEL); if (!plane) return -ENOMEM; @@ -133,8 +134,10 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc) err = drm_plane_init(drm, &plane->base, 1 << dc->pipe, &tegra_plane_funcs, plane_formats, ARRAY_SIZE(plane_formats), false); - if (err < 0) + if (err < 0) { + kfree(plane); return err; + } } return 0; @@ -145,6 +148,7 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y, { unsigned int format = tegra_dc_format(fb->pixel_format); struct tegra_bo *bo = tegra_fb_get_plane(fb, 0); + unsigned int h_offset = 0, v_offset = 0; unsigned long value; tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER); @@ -156,6 +160,32 @@ static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y, tegra_dc_writel(dc, fb->pitches[0], DC_WIN_LINE_STRIDE); tegra_dc_writel(dc, format, DC_WIN_COLOR_DEPTH); + if (tegra_fb_is_tiled(fb)) { + value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV | + DC_WIN_BUFFER_ADDR_MODE_TILE; + } else { + value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV | + DC_WIN_BUFFER_ADDR_MODE_LINEAR; + } + + tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE); + + /* make sure bottom-up buffers are properly displayed */ + if (tegra_fb_is_bottom_up(fb)) { + value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS); + value |= INVERT_V; + tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS); + + v_offset += fb->height - 1; + } else { + value = tegra_dc_readl(dc, DC_WIN_WIN_OPTIONS); + value &= ~INVERT_V; + tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS); + } + + tegra_dc_writel(dc, h_offset, DC_WINBUF_ADDR_H_OFFSET); + tegra_dc_writel(dc, v_offset, DC_WINBUF_ADDR_V_OFFSET); + value = GENERAL_UPDATE | WIN_A_UPDATE; tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL); @@ -255,14 +285,26 @@ static int tegra_dc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, return 0; } +static void drm_crtc_clear(struct drm_crtc *crtc) +{ + memset(crtc, 0, sizeof(*crtc)); +} + +static void tegra_dc_destroy(struct drm_crtc *crtc) +{ + drm_crtc_cleanup(crtc); + drm_crtc_clear(crtc); +} + static const struct drm_crtc_funcs tegra_crtc_funcs = { .page_flip = tegra_dc_page_flip, .set_config = drm_crtc_helper_set_config, - .destroy = drm_crtc_cleanup, + .destroy = tegra_dc_destroy, }; static void tegra_crtc_disable(struct drm_crtc *crtc) { + struct tegra_dc *dc = to_tegra_dc(crtc); struct drm_device *drm = crtc->dev; struct drm_plane *plane; @@ -277,6 +319,8 @@ static void tegra_crtc_disable(struct drm_crtc *crtc) } } } + + drm_vblank_off(drm, dc->pipe); } static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc, @@ -491,9 +535,22 @@ int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index, tegra_dc_writel(dc, window->stride[0], DC_WIN_LINE_STRIDE); } + if (window->bottom_up) + v_offset += window->src.h - 1; + tegra_dc_writel(dc, h_offset, DC_WINBUF_ADDR_H_OFFSET); tegra_dc_writel(dc, v_offset, DC_WINBUF_ADDR_V_OFFSET); + if (window->tiled) { + value = DC_WIN_BUFFER_ADDR_MODE_TILE_UV | + DC_WIN_BUFFER_ADDR_MODE_TILE; + } else { + value = DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV | + DC_WIN_BUFFER_ADDR_MODE_LINEAR; + } + + tegra_dc_writel(dc, value, DC_WIN_BUFFER_ADDR_MODE); + value = WIN_ENABLE; if (yuv) { @@ -512,6 +569,9 @@ int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index, value |= COLOR_EXPAND; } + if (window->bottom_up) + value |= INVERT_V; + tegra_dc_writel(dc, value, DC_WIN_WIN_OPTIONS); /* @@ -1041,30 +1101,30 @@ static int tegra_dc_debugfs_exit(struct tegra_dc *dc) return 0; } -static int tegra_dc_drm_init(struct host1x_client *client, - struct drm_device *drm) +static int tegra_dc_init(struct host1x_client *client) { + struct tegra_drm *tegra = dev_get_drvdata(client->parent); struct tegra_dc *dc = host1x_client_to_dc(client); int err; - dc->pipe = drm->mode_config.num_crtc; + dc->pipe = tegra->drm->mode_config.num_crtc; - drm_crtc_init(drm, &dc->base, &tegra_crtc_funcs); + drm_crtc_init(tegra->drm, &dc->base, &tegra_crtc_funcs); drm_mode_crtc_set_gamma_size(&dc->base, 256); drm_crtc_helper_add(&dc->base, &tegra_crtc_helper_funcs); - err = tegra_dc_rgb_init(drm, dc); + err = tegra_dc_rgb_init(tegra->drm, dc); if (err < 0 && err != -ENODEV) { dev_err(dc->dev, "failed to initialize RGB output: %d\n", err); return err; } - err = tegra_dc_add_planes(drm, dc); + err = tegra_dc_add_planes(tegra->drm, dc); if (err < 0) return err; if (IS_ENABLED(CONFIG_DEBUG_FS)) { - err = tegra_dc_debugfs_init(dc, drm->primary); + err = tegra_dc_debugfs_init(dc, tegra->drm->primary); if (err < 0) dev_err(dc->dev, "debugfs setup failed: %d\n", err); } @@ -1080,7 +1140,7 @@ static int tegra_dc_drm_init(struct host1x_client *client, return 0; } -static int tegra_dc_drm_exit(struct host1x_client *client) +static int tegra_dc_exit(struct host1x_client *client) { struct tegra_dc *dc = host1x_client_to_dc(client); int err; @@ -1103,13 +1163,12 @@ static int tegra_dc_drm_exit(struct host1x_client *client) } static const struct host1x_client_ops dc_client_ops = { - .drm_init = tegra_dc_drm_init, - .drm_exit = tegra_dc_drm_exit, + .init = tegra_dc_init, + .exit = tegra_dc_exit, }; static int tegra_dc_probe(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); struct resource *regs; struct tegra_dc *dc; int err; @@ -1153,7 +1212,7 @@ static int tegra_dc_probe(struct platform_device *pdev) return err; } - err = host1x_register_client(host1x, &dc->client); + err = host1x_client_register(&dc->client); if (err < 0) { dev_err(&pdev->dev, "failed to register host1x client: %d\n", err); @@ -1167,17 +1226,22 @@ static int tegra_dc_probe(struct platform_device *pdev) static int tegra_dc_remove(struct platform_device *pdev) { - struct host1x_drm *host1x = host1x_get_drm_data(pdev->dev.parent); struct tegra_dc *dc = platform_get_drvdata(pdev); int err; - err = host1x_unregister_client(host1x, &dc->client); + err = host1x_client_unregister(&dc->client); if (err < 0) { dev_err(&pdev->dev, "failed to unregister host1x client: %d\n", err); return err; } + err = tegra_dc_rgb_remove(dc); + if (err < 0) { + dev_err(&pdev->dev, "failed to remove RGB output: %d\n", err); + return err; + } + clk_disable_unprepare(dc->clk); return 0; diff --git a/drivers/gpu/host1x/drm/dc.h b/drivers/gpu/drm/tegra/dc.h index 79eaec9aac7..91bbda29147 100644 --- a/drivers/gpu/host1x/drm/dc.h +++ b/drivers/gpu/drm/tegra/dc.h @@ -302,6 +302,7 @@ #define DC_WIN_CSC_KVB 0x618 #define DC_WIN_WIN_OPTIONS 0x700 +#define INVERT_V (1 << 2) #define COLOR_EXPAND (1 << 6) #define CSC_ENABLE (1 << 18) #define WIN_ENABLE (1 << 30) @@ -365,6 +366,10 @@ #define DC_WIN_BUF_STRIDE 0x70b #define DC_WIN_UV_BUF_STRIDE 0x70c #define DC_WIN_BUFFER_ADDR_MODE 0x70d +#define DC_WIN_BUFFER_ADDR_MODE_LINEAR (0 << 0) +#define DC_WIN_BUFFER_ADDR_MODE_TILE (1 << 0) +#define DC_WIN_BUFFER_ADDR_MODE_LINEAR_UV (0 << 16) +#define DC_WIN_BUFFER_ADDR_MODE_TILE_UV (1 << 16) #define DC_WIN_DV_CONTROL 0x70e #define DC_WIN_BLEND_NOKEY 0x70f diff --git a/drivers/gpu/host1x/drm/drm.c b/drivers/gpu/drm/tegra/drm.c index df7d90a3a4f..28e17813771 100644 --- a/drivers/gpu/host1x/drm/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -7,21 +7,10 @@ * published by the Free Software Foundation. */ -#include <linux/module.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> +#include <linux/host1x.h> -#include <linux/dma-mapping.h> -#include <asm/dma-iommu.h> - -#include <drm/drm.h> -#include <drm/drmP.h> - -#include "host1x_client.h" -#include "dev.h" #include "drm.h" #include "gem.h" -#include "syncpt.h" #define DRIVER_NAME "tegra" #define DRIVER_DESC "NVIDIA Tegra graphics" @@ -30,297 +19,235 @@ #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 -struct host1x_drm_client { - struct host1x_client *client; - struct device_node *np; - struct list_head list; +struct tegra_drm_file { + struct list_head contexts; }; -static int host1x_add_drm_client(struct host1x_drm *host1x, - struct device_node *np) +static int tegra_drm_load(struct drm_device *drm, unsigned long flags) { - struct host1x_drm_client *client; + struct host1x_device *device = to_host1x_device(drm->dev); + struct tegra_drm *tegra; + int err; - client = kzalloc(sizeof(*client), GFP_KERNEL); - if (!client) + tegra = kzalloc(sizeof(*tegra), GFP_KERNEL); + if (!tegra) return -ENOMEM; - INIT_LIST_HEAD(&client->list); - client->np = of_node_get(np); + dev_set_drvdata(drm->dev, tegra); + mutex_init(&tegra->clients_lock); + INIT_LIST_HEAD(&tegra->clients); + drm->dev_private = tegra; + tegra->drm = drm; - list_add_tail(&client->list, &host1x->drm_clients); + drm_mode_config_init(drm); - return 0; -} + err = host1x_device_init(device); + if (err < 0) + return err; -static int host1x_activate_drm_client(struct host1x_drm *host1x, - struct host1x_drm_client *drm, - struct host1x_client *client) -{ - mutex_lock(&host1x->drm_clients_lock); - list_del_init(&drm->list); - list_add_tail(&drm->list, &host1x->drm_active); - drm->client = client; - mutex_unlock(&host1x->drm_clients_lock); + /* + * We don't use the drm_irq_install() helpers provided by the DRM + * core, so we need to set this manually in order to allow the + * DRM_IOCTL_WAIT_VBLANK to operate correctly. + */ + drm->irq_enabled = true; - return 0; -} + err = drm_vblank_init(drm, drm->mode_config.num_crtc); + if (err < 0) + return err; -static int host1x_remove_drm_client(struct host1x_drm *host1x, - struct host1x_drm_client *client) -{ - mutex_lock(&host1x->drm_clients_lock); - list_del_init(&client->list); - mutex_unlock(&host1x->drm_clients_lock); + err = tegra_drm_fb_init(drm); + if (err < 0) + return err; - of_node_put(client->np); - kfree(client); + drm_kms_helper_poll_init(drm); return 0; } -static int host1x_parse_dt(struct host1x_drm *host1x) +static int tegra_drm_unload(struct drm_device *drm) { - static const char * const compat[] = { - "nvidia,tegra20-dc", - "nvidia,tegra20-hdmi", - "nvidia,tegra20-gr2d", - "nvidia,tegra30-dc", - "nvidia,tegra30-hdmi", - "nvidia,tegra30-gr2d", - }; - unsigned int i; + struct host1x_device *device = to_host1x_device(drm->dev); int err; - for (i = 0; i < ARRAY_SIZE(compat); i++) { - struct device_node *np; + drm_kms_helper_poll_fini(drm); + tegra_drm_fb_exit(drm); + drm_vblank_cleanup(drm); + drm_mode_config_cleanup(drm); - for_each_child_of_node(host1x->dev->of_node, np) { - if (of_device_is_compatible(np, compat[i]) && - of_device_is_available(np)) { - err = host1x_add_drm_client(host1x, np); - if (err < 0) - return err; - } - } - } + err = host1x_device_exit(device); + if (err < 0) + return err; return 0; } -int host1x_drm_alloc(struct platform_device *pdev) +static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp) { - struct host1x_drm *host1x; - int err; + struct tegra_drm_file *fpriv; - host1x = devm_kzalloc(&pdev->dev, sizeof(*host1x), GFP_KERNEL); - if (!host1x) + fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); + if (!fpriv) return -ENOMEM; - mutex_init(&host1x->drm_clients_lock); - INIT_LIST_HEAD(&host1x->drm_cli |