twx-linux

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Peter Suti 4178bfa3fc staging: fbtft: core: set smem_len before fb_deferred_io_init call

commit 81e878887f upstream.

The fbtft_framebuffer_alloc() calls fb_deferred_io_init() before
initializing info->fix.smem_len.  It is set to zero by the
framebuffer_alloc() function.  It will trigger a WARN_ON() at the
start of fb_deferred_io_init() and the function will not do anything.

Fixes: 856082f021 ("fbdev: defio: fix the pagelist corruption")
Signed-off-by: Peter Suti <peter.suti@streamunlimited.com>
Link: https://lore.kernel.org/r/20220727073550.1491126-1-peter.suti@streamunlimited.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2024-02-23 08:55:15 +01:00

fb_agm1264k-fl.c

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fb_bd663474.c

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fb_hx8340bn.c

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fb_hx8347d.c

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fb_hx8353d.c

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fb_hx8357d.c

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fb_hx8357d.h

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fb_ili9163.c

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fb_ili9320.c

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fb_ili9325.c

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fb_ili9340.c

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fb_ili9341.c

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fb_ili9481.c

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fb_ili9486.c

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fb_pcd8544.c

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fb_ra8875.c

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fb_s6d02a1.c

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fb_s6d1121.c

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fb_seps525.c

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fb_sh1106.c

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fb_ssd1289.c

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fb_ssd1305.c

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fb_ssd1306.c

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fb_ssd1325.c

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fb_ssd1331.c

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fb_ssd1351.c

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fb_st7735r.c

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fb_st7789v.c

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fb_tinylcd.c

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fb_tls8204.c

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fb_uc1611.c

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fb_uc1701.c

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fb_upd161704.c

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fb_watterott.c

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fbtft-bus.c

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fbtft-core.c

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fbtft-io.c

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fbtft-sysfs.c

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fbtft.h

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internal.h

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Kconfig

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Makefile

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README

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TODO

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README

  FBTFT
=========

Linux Framebuffer drivers for small TFT LCD display modules.
The module 'fbtft' makes writing drivers for some of these displays very easy.

Development is done on a Raspberry Pi running the Raspbian "wheezy" distribution.

INSTALLATION
  Download kernel sources

  From Linux 3.15
    cd drivers/video/fbdev/fbtft
    git clone https://github.com/notro/fbtft.git

    Add to drivers/video/fbdev/Kconfig:   source "drivers/video/fbdev/fbtft/Kconfig"
    Add to drivers/video/fbdev/Makefile:  obj-y += fbtft/

  Before Linux 3.15
    cd drivers/video
    git clone https://github.com/notro/fbtft.git

    Add to drivers/video/Kconfig:   source "drivers/video/fbtft/Kconfig"
    Add to drivers/video/Makefile:  obj-y += fbtft/

  Enable driver(s) in menuconfig and build the kernel


See wiki for more information: https://github.com/notro/fbtft/wiki


Source: https://github.com/notro/fbtft/