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linux/drivers/staging/fbtft
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Peter Suti 81e878887f staging: fbtft: core: set smem_len before fb_deferred_io_init call 
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>
2022-07-28 10:42:42 +02:00
..
fb_agm1264k-fl.c staging: fbtft: Replace custom ->reset() with generic one 2021-05-10 11:19:39 +02:00
fb_bd663474.c
fb_hx8340bn.c
fb_hx8347d.c staging: fbtft: Add support for orientation on Himax HX8347d 2021-05-10 11:19:39 +02:00
fb_hx8353d.c
fb_hx8357d.c
fb_hx8357d.h
fb_ili9163.c
fb_ili9320.c
fb_ili9325.c
fb_ili9340.c
fb_ili9341.c
fb_ili9481.c
fb_ili9486.c
fb_pcd8544.c
fb_ra8875.c
fb_s6d02a1.c
fb_s6d1121.c
fb_seps525.c
fb_sh1106.c staging: fbtft: sh1106: use new macro FBTFT_REGISTER_SPI_DRIVER 2021-12-03 15:05:12 +01:00
fb_ssd1289.c
fb_ssd1305.c
fb_ssd1306.c
fb_ssd1325.c
fb_ssd1331.c
fb_ssd1351.c staging: ftbft: Use backlight helper 2022-06-10 09:01:03 +02:00
fb_st7735r.c
fb_st7789v.c staging: fbtft: fb_st7789v: reset display before initialization 2022-02-15 17:14:22 +01:00
fb_tinylcd.c
fb_tls8204.c
fb_uc1611.c
fb_uc1701.c
fb_upd161704.c
fbtft-bus.c
fbtft-core.c staging: fbtft: core: set smem_len before fb_deferred_io_init call 2022-07-28 10:42:42 +02:00
fbtft-io.c
fbtft-sysfs.c
fbtft.h Staging driver update for 5.18-rc1 2022-03-28 12:50:50 -07:00
internal.h
Kconfig staging: fbtft: Remove fb_watterott driver 2021-11-15 10:02:02 +01:00
Makefile staging: fbtft: Remove fb_watterott driver 2021-11-15 10:02:02 +01:00
README
TODO staging: fbtft: Update TODO 2021-05-10 11:19:39 +02:00

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/