diff options
Diffstat (limited to 'drivers')
77 files changed, 528 insertions, 3188 deletions
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig index 84ab482d0db6..c8c770b05ed9 100644 --- a/drivers/gpu/vga/Kconfig +++ b/drivers/gpu/vga/Kconfig @@ -23,6 +23,7 @@ config VGA_SWITCHEROO depends on X86 depends on ACPI depends on PCI + depends on (FRAMEBUFFER_CONSOLE=n || FB=y) select VGA_ARB help Many laptops released in 2008/9/10 have two GPUs with a multiplexer diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index a132c37d7334..65d7541c413a 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -35,6 +35,7 @@ #include <linux/debugfs.h> #include <linux/fb.h> #include <linux/fs.h> +#include <linux/fbcon.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/pm_domain.h> @@ -736,14 +737,8 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client) if (!active->driver_power_control) set_audio_state(active->id, VGA_SWITCHEROO_OFF); - if (new_client->fb_info) { - struct fb_event event; - - console_lock(); - event.info = new_client->fb_info; - fb_notifier_call_chain(FB_EVENT_REMAP_ALL_CONSOLE, &event); - console_unlock(); - } + if (new_client->fb_info) + fbcon_remap_all(new_client->fb_info); mutex_lock(&vgasr_priv.mux_hw_lock); ret = vgasr_priv.handler->switchto(new_client->id); diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c index 6897e14e7cb7..e162a668fb7e 100644 --- a/drivers/hid/hid-picolcd_fb.c +++ b/drivers/hid/hid-picolcd_fb.c @@ -512,10 +512,8 @@ int picolcd_init_framebuffer(struct picolcd_data *data) sizeof(struct fb_deferred_io) + sizeof(struct picolcd_fb_data) + PICOLCDFB_SIZE, dev); - if (info == NULL) { - dev_err(dev, "failed to allocate a framebuffer\n"); + if (!info) goto err_nomem; - } info->fbdefio = info->par; *info->fbdefio = picolcd_fb_defio; diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c index 800b3654cac5..95a56cce9b65 100644 --- a/drivers/media/pci/ivtv/ivtvfb.c +++ b/drivers/media/pci/ivtv/ivtvfb.c @@ -1256,11 +1256,7 @@ static int ivtvfb_callback_cleanup(struct device *dev, void *p) itv->streams[IVTV_DEC_STREAM_TYPE_MPG].vdev.device_caps &= ~V4L2_CAP_VIDEO_OUTPUT_OVERLAY; itv->v4l2_cap &= ~V4L2_CAP_VIDEO_OUTPUT_OVERLAY; - if (unregister_framebuffer(&itv->osd_info->ivtvfb_info)) { - IVTVFB_WARN("Framebuffer %d is in use, cannot unload\n", - itv->instance); - return 0; - } + unregister_framebuffer(&itv->osd_info->ivtvfb_info); IVTVFB_INFO("Unregister framebuffer %d\n", itv->instance); itv->ivtvfb_restore = NULL; ivtvfb_blank(FB_BLANK_VSYNC_SUSPEND, &oi->ivtvfb_info); diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 9b07badf4c6c..7cbc1bdd2d8a 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -891,7 +891,9 @@ int fbtft_unregister_framebuffer(struct fb_info *fb_info) if (par->fbtftops.unregister_backlight) par->fbtftops.unregister_backlight(par); fbtft_sysfs_exit(par); - return unregister_framebuffer(fb_info); + unregister_framebuffer(fb_info); + + return 0; } EXPORT_SYMBOL(fbtft_unregister_framebuffer); diff --git a/drivers/staging/olpc_dcon/TODO b/drivers/staging/olpc_dcon/TODO index 665a0b061719..fe09efbc7f77 100644 --- a/drivers/staging/olpc_dcon/TODO +++ b/drivers/staging/olpc_dcon/TODO @@ -1,4 +1,11 @@ TODO: + - complete rewrite: + 1. The underlying fbdev drivers need to be converted into drm kernel + modesetting drivers. + 2. The dcon low-power display mode can then be integrated using the + drm damage tracking and self-refresh helpers. + This bolted-on self-refresh support that digs around in fbdev + internals, but isn't properly integrated, is not the correct solution. - see if vx855 gpio API can be made similar enough to cs5535 so we can share more code - convert all uses of the old GPIO API from <linux/gpio.h> to the diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 6b714f740ac3..a254238be181 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -250,11 +250,7 @@ static bool dcon_blank_fb(struct dcon_priv *dcon, bool blank) int err; console_lock(); - if (!lock_fb_info(dcon->fbinfo)) { - console_unlock(); - dev_err(&dcon->client->dev, "unable to lock framebuffer\n"); - return false; - } + lock_fb_info(dcon->fbinfo); dcon->ignore_fb_events = true; err = fb_blank(dcon->fbinfo, diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 5c0ca1c24b6f..ec92f36ab5c4 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -3822,6 +3822,8 @@ int con_is_bound(const struct consw *csw) { int i, bound = 0; + WARN_CONSOLE_UNLOCKED(); + for (i = 0; i < MAX_NR_CONSOLES; i++) { if (con_driver_map[i] == csw) { bound = 1; @@ -3834,6 +3836,20 @@ int con_is_bound(const struct consw *csw) EXPORT_SYMBOL(con_is_bound); /** + * con_is_visible - checks whether the current console is visible + * @vc: virtual console + * + * RETURNS: zero if not visible, nonzero if visible + */ +bool con_is_visible(const struct vc_data *vc) +{ + WARN_CONSOLE_UNLOCKED(); + + return *vc->vc_display_fg == vc; +} +EXPORT_SYMBOL(con_is_visible); + +/** * con_debug_enter - prepare the console for the kernel debugger * @sw: console driver * @@ -4166,6 +4182,8 @@ void do_blank_screen(int entering_gfx) struct vc_data *vc = vc_cons[fg_console].d; int i; + might_sleep(); + WARN_CONSOLE_UNLOCKED(); if (console_blanked) { diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 1ef8b6fd62ac..5dc07106a59e 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -47,7 +47,7 @@ static int fb_notifier_callback(struct notifier_block *self, int fb_blank = 0; /* If we aren't interested in this event, skip it immediately ... */ - if (event != FB_EVENT_BLANK && event != FB_EVENT_CONBLANK) + if (event != FB_EVENT_BLANK) return 0; bd = container_of(self, struct backlight_device, fb_notif); diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index 151b18776add..d6b653aa4ee9 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -30,18 +30,6 @@ static int fb_notifier_callback(struct notifier_block *self, struct lcd_device *ld; struct fb_event *evdata = data; - /* If we aren't interested in this event, skip it immediately ... */ - switch (event) { - case FB_EVENT_BLANK: - case FB_EVENT_MODE_CHANGE: - case FB_EVENT_MODE_CHANGE_ALL: - case FB_EARLY_EVENT_BLANK: - case FB_R_EARLY_EVENT_BLANK: - break; - default: - return 0; - } - ld = container_of(self, struct lcd_device, fb_notif); if (!ld->ops) return 0; diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c index ff886e99104b..2a0d0bda7faa 100644 --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -34,6 +34,8 @@ static bool dummycon_putc_called; void dummycon_register_output_notifier(struct notifier_block *nb) { + WARN_CONSOLE_UNLOCKED(); + raw_notifier_chain_register(&dummycon_output_nh, nb); if (dummycon_putc_called) @@ -42,11 +44,15 @@ void dummycon_register_output_notifier(struct notifier_block *nb) void dummycon_unregister_output_notifier(struct notifier_block *nb) { + WARN_CONSOLE_UNLOCKED(); + raw_notifier_chain_unregister(&dummycon_output_nh, nb); } static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos) { + WARN_CONSOLE_UNLOCKED(); + dummycon_putc_called = true; raw_notifier_call_chain(&dummycon_output_nh, 0, NULL); } diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 1b2f5f31fb6f..b174af914e7a 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -332,7 +332,8 @@ config FB_SA1100 config FB_IMX tristate "Freescale i.MX1/21/25/27 LCD support" - depends on FB && ARCH_MXC + depends on FB && HAVE_CLK && HAS_IOMEM + depends on ARCH_MXC || COMPILE_TEST select LCD_CLASS_DEVICE select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -670,7 +671,8 @@ config FB_HGA config FB_GBE bool "SGI Graphics Backend frame buffer support" - depends on (FB = y) && SGI_IP32 + depends on (FB = y) && HAS_IOMEM + depends on SGI_IP32 || COMPILE_TEST select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -808,7 +810,8 @@ config FB_XVR1000 config FB_PVR2 tristate "NEC PowerVR 2 display support" - depends on FB && SH_DREAMCAST + depends on FB && HAS_IOMEM + depends on SH_DREAMCAST || COMPILE_TEST select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -856,7 +859,8 @@ config FB_S1D13XXX config FB_ATMEL tristate "AT91 LCD Controller support" - depends on FB && OF && HAVE_FB_ATMEL + depends on FB && OF && HAVE_CLK && HAS_IOMEM + depends on HAVE_FB_ATMEL || COMPILE_TEST select FB_BACKLIGHT select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -1729,7 +1733,8 @@ config FB_68328 config FB_PXA168 tristate "PXA168/910 LCD framebuffer support" - depends on FB && (CPU_PXA168 || CPU_PXA910) + depends on FB && HAVE_CLK && HAS_IOMEM + depends on CPU_PXA168 || CPU_PXA910 || COMPILE_TEST select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -1873,7 +1878,8 @@ config FB_TMIO_ACCELL config FB_S3C tristate "Samsung S3C framebuffer support" - depends on FB && (CPU_S3C2416 || ARCH_S3C64XX) + depends on FB && HAVE_CLK && HAS_IOMEM + depends on (CPU_S3C2416 || ARCH_S3C64XX) || COMPILE_TEST select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2055,7 +2061,8 @@ config FB_SH7760 config FB_DA8XX tristate "DA8xx/OMAP-L1xx/AM335x Framebuffer support" - depends on FB && (ARCH_DAVINCI_DA8XX || SOC_AM33XX) + depends on FB && HAVE_CLK && HAS_IOMEM + depends on ARCH_DAVINCI_DA8XX || SOC_AM33XX || COMPILE_TEST select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2172,7 +2179,7 @@ config FB_EP93XX config FB_PRE_INIT_FB bool "Don't reinitialize, use bootloader's GDC/Display configuration" - depends on FB && (FB_MB862XX_LIME || FB_MXS) + depends on FB && FB_MB862XX_LIME ---help--- Select this option if display contents should be inherited as set by the bootloader. @@ -2213,17 +2220,6 @@ config FB_JZ4740 help Framebuffer support for the JZ4740 SoC. -config FB_MXS - tristate "MXS LCD framebuffer support" - depends on FB && (ARCH_MXS || ARCH_MXC) - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - select FB_MODE_HELPERS - select VIDEOMODE_HELPERS - help - Framebuffer support for the MXS SoC. - config FB_PUV3_UNIGFX tristate "PKUnity v3 Unigfx framebuffer support" depends on FB && UNICORE32 && ARCH_PUV3 diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 655f2537cac1..7dc4861a93e6 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -131,7 +131,6 @@ obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o obj-$(CONFIG_FB_MX3) += mx3fb.o obj-$(CONFIG_FB_DA8XX) += da8xx-fb.o -obj-$(CONFIG_FB_MXS) += mxsfb.o obj-$(CONFIG_FB_SSD1307) += ssd1307fb.o obj-$(CONFIG_FB_SIMPLE) += simplefb.o diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c index 758457026694..91ddc9602014 100644 --- a/drivers/video/fbdev/amifb.c +++ b/drivers/video/fbdev/amifb.c @@ -3554,10 +3554,8 @@ static int __init amifb_probe(struct platform_device *pdev) custom.dmacon = DMAF_ALL | DMAF_MASTER; info = framebuffer_alloc(sizeof(struct amifb_par), &pdev->dev); - if (!info) { - dev_err(&pdev->dev, "framebuffer_alloc failed\n"); + if (!info) return -ENOMEM; - } strcpy(info->fix.id, "Amiga "); info->fix.visual = FB_VISUAL_PSEUDOCOLOR; diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c index 13ba371e70aa..f940e8b66b85 100644 --- a/drivers/video/fbdev/arkfb.c +++ b/drivers/video/fbdev/arkfb.c @@ -954,10 +954,8 @@ static int ark_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) /* Allocate and fill driver data structure */ info = framebuffer_alloc(sizeof(struct arkfb_info), &(dev->dev)); - if (! info) { - dev_err(&(dev->dev), "cannot allocate memory\n"); + if (!info) return -ENOMEM; - } par = info->par; mutex_init(&par->open_lock); diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c index b986af2a8042..fc9dfb0a95af 100644 --- a/drivers/video/fbdev/atafb.c +++ b/drivers/video/fbdev/atafb.c @@ -77,29 +77,8 @@ #define SWITCH_SND7 0x80 #define SWITCH_NONE 0x00 - #define up(x, r) (((x) + (r) - 1) & ~((r)-1)) - /* - * Interface to the world - */ - -static int atafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info); -static int atafb_set_par(struct fb_info *info); -static int atafb_setcolreg(unsigned int regno, unsigned int red, unsigned int green, - unsigned int blue, unsigned int transp, - struct fb_info *info); -static int atafb_blank(int blank, struct fb_info *info); -static int atafb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info); -static void atafb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect); -static void atafb_copyarea(struct fb_info *info, - const struct fb_copyarea *region); -static void atafb_imageblit(struct fb_info *info, const struct fb_image *image); -static int atafb_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg); - static int default_par; /* default resolution (0=none) */ diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index e67dfd94bf1d..5ff8e0320d95 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -673,7 +673,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) lcdc_writel(sinfo, ATMEL_LCDC_MVAL, 0); /* Disable all interrupts */ - lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); + lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0U); /* Enable FIFO & DMA errors */ lcdc_writel(sinfo, ATMEL_LCDC_IER, ATMEL_LCDC_UFLWI | ATMEL_LCDC_OWRI | ATMEL_LCDC_MERI); @@ -950,7 +950,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo) struct fb_videomode fb_vm; struct gpio_desc *gpiod; struct videomode vm; - int ret = -ENOENT; |