830e5227d4
The patch [1], which is required for DRM to work properly, has been
merged into Linux version 5.14-rc3. There's a 5.14.12 now in stable, so
I took that one.
After Linux boots, /dev/fb0 will be accessible. You can control the
brightness of the display after enabling the framebuffer by running the
following commands:
~ # echo 0 0 > /sys/class/graphics/fb0/pan
~ # echo 255 >/sys/class/backlight/40016c00.dsi.0/brightness
The brightness ranges from 0 to 255, as you can see running the
command:
~ # cat /sys/class/backlight/40016c00.dsi.0/max_brightness
[1] 24b5b1978cd5 ("clk: stm32f4: fix post divisor setup for I2S/SAI PLLs")
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Acked-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
[Arnout: add explanation to readme.txt]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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| .. | ||
| aarch64-efi | ||
| acmesystems | ||
| altera/socrates_cyclone5 | ||
| amarula | ||
| andes | ||
| arcturus | ||
| arm | ||
| armadeus | ||
| arrow/avenger96 | ||
| asus/tinker | ||
| atmel | ||
| avnet/s6lx9_microboard | ||
| bananapi | ||
| beagleboardx15 | ||
| beaglebone | ||
| beagleboneai | ||
| beaglev | ||
| beelink/gs1 | ||
| boundarydevices/common | ||
| chromebook | ||
| ci20 | ||
| csky | ||
| cubietech/cubieboard2 | ||
| embest/riotboard | ||
| engicam | ||
| firefly/roc-rk3399-pc | ||
| freescale | ||
| friendlyarm | ||
| globalscale/espressobin | ||
| grinn | ||
| hardkernel | ||
| intel/galileo | ||
| kontron | ||
| lego/ev3 | ||
| lemaker/bananapro | ||
| librecomputer/lafrite | ||
| licheepi | ||
| linksprite/pcduino | ||
| microchip | ||
| minnowboard | ||
| nexbox/a95x | ||
| olimex | ||
| olpc | ||
| openblocks/a6 | ||
| orangepi | ||
| pandaboard | ||
| pc | ||
| pcengines/apu2 | ||
| pine64 | ||
| qemu | ||
| qmtech/zynq | ||
| radxa | ||
| raspberrypi | ||
| roseapplepi | ||
| seeed/stm32mp157c-odyssey | ||
| sheevaplug | ||
| sifive/hifive-unleashed | ||
| sinovoip | ||
| solidrun | ||
| stmicroelectronics | ||
| synopsys | ||
| technexion | ||
| technologic | ||
| terasic/de10nano_cyclone5 | ||
| toradex/apalis-imx6 | ||
| udoo | ||
| uevm5432 | ||
| wandboard | ||
| warp7 | ||
| zynq | ||
| zynqmp | ||
| raspberrypi0 | ||
| raspberrypi0w | ||
| raspberrypi2 | ||
| raspberrypi3 | ||
| raspberrypi3-64 | ||
| raspberrypi4 | ||
| raspberrypi4-64 | ||
| raspberrypicm4io | ||
| raspberrypicm4io-64 | ||