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eleclab-rpi / 5INCH_DSI_DISPLAY

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Screen working on Fedora 37 #3

Open grillo-delmal opened 1 year ago

grillo-delmal commented 1 year ago

I purchased an ElecLab Raspberry Pi Touchscreen Monitor 5 Inch DSI IPS Capacitive LCD Display 800x480 on Amazon a long time ago, and during last week I was toying around to make the touchscreen work on Fedora 37 beta[0] on my rpi4. These are the commands I ran when running the image on my device:

# This 2 lines enable the Firmware Device Tree instead of the upstream kernel one [1]
# With these the screen works and we can use device overlays
$ sudo rm /boot/dtb
$ sudo echo "FirmwareDT=True" >> /etc/u-boot.conf

# The next line enables the generic rpi touchscreen overlay
$ sudo echo "dtoverlay=rpi-ft5406,touchscreen-size-x=800,touchscreen-size-y=420" >> /boot/efi/config.txt

After rebooting, the touchscreen worked without problems. The only thing that doesn't work in this image is the audio jack, but it seems to be expected in Fedora [2].

Are there any side effects that could arise when enabling the touchscreen this way?

[0] https://getfedora.org/workstation/download/ [1] https://fedoraproject.org/wiki/Architectures/ARM/Raspberry_Pi/HATs#General_configuration [2] https://fedoraproject.org/wiki/Architectures/ARM/Raspberry_Pi#Does_sound_work?

eleclab-rpi commented 1 year ago

Dear friends, this is a 5" 480x854 DPI display, the touch screen IC is FT6336U, the parameters are different, the configuration parameters of config.txt in buster/bullseye are as follows:

[all]

dtoverlay=vc4-fkms-v3d

gpio=0-9=a2 gpio=12-17=a2 gpio=20-25=a2 dtoverlay=dpi24 enable_dpi_lcd=1 display_default_lcd=1 extra_transpose_buffer=2 dpi_group=2 dpi_mode=87 dpi_output_format=0x78216 dpi_timings=480 0 60 2 55 854 0 16 2 22 0 0 0 60 0 32000000 6 #for no rotate or for display_rotate=2

dpi_timings=480 0 60 2 55 856 0 16 2 22 0 0 0 60 0 32000000 6 #for display_rotate=1,3

dtoverlay=eleclab-dpi5inch

display_rotate=1 #1:90;2:180;3:270 , Need to modify 40-libinput.conf

@.***

From: Grillo Date: 2022-09-29 14:17 To: eleclab-rpi/5INCH_DSI_DISPLAY CC: Subscribed Subject: [eleclab-rpi/5INCH_DSI_DISPLAY] Screen working on Fedora 37 (Issue #3) I purchased an ElecLab Raspberry Pi Touchscreen Monitor 5 Inch DSI IPS Capacitive LCD Display 800x480 on Amazon a long time ago, and during last week I was toying around to make the touchscreen work on Fedora 37 beta[0] on my rpi4. These are the commands I ran when running the image on my device:

This 2 lines enable the Firmware Device Tree instead of the upstream kernel one [1]

With these the screen works and we can use device overlays

$ sudo rm /boot/dtb $ sudo echo "FirmwareDT=True" >> /etc/u-boot.conf

The next line enables the generic rpi touchscreen overlay

$ sudo echo "dtoverlay=rpi-ft5460,touchscreen-size-x=800,touchscreen-size-y=420" >> /boot/efi/config.txt After rebooting, the touchscreen worked without problems. The only thing that doesn't work in this image is the audio jack, but it seems to be expected in Fedora [2]. Are there any side effects that could arise when enabling the touchscreen this way? [0] https://getfedora.org/workstation/download/ [1] https://fedoraproject.org/wiki/Architectures/ARM/Raspberry_Pi/HATs#General_configuration [2] https://fedoraproject.org/wiki/Architectures/ARM/Raspberry_Pi#Does_sound_work? — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you are subscribed to this thread.Message ID: @.***>

eleclab-rpi commented 1 year ago

Of course, eleclab-dpi5inch.dtbo should be placed in the /boot/overlays/ directory, the touchscreen won't work without it.

@.***

From: Grillo Date: 2022-09-29 14:17 To: eleclab-rpi/5INCH_DSI_DISPLAY CC: Subscribed Subject: [eleclab-rpi/5INCH_DSI_DISPLAY] Screen working on Fedora 37 (Issue #3) I purchased an ElecLab Raspberry Pi Touchscreen Monitor 5 Inch DSI IPS Capacitive LCD Display 800x480 on Amazon a long time ago, and during last week I was toying around to make the touchscreen work on Fedora 37 beta[0] on my rpi4. These are the commands I ran when running the image on my device:

This 2 lines enable the Firmware Device Tree instead of the upstream kernel one [1]

With these the screen works and we can use device overlays

$ sudo rm /boot/dtb $ sudo echo "FirmwareDT=True" >> /etc/u-boot.conf

The next line enables the generic rpi touchscreen overlay

$ sudo echo "dtoverlay=rpi-ft5460,touchscreen-size-x=800,touchscreen-size-y=420" >> /boot/efi/config.txt After rebooting, the touchscreen worked without problems. The only thing that doesn't work in this image is the audio jack, but it seems to be expected in Fedora [2]. Are there any side effects that could arise when enabling the touchscreen this way? [0] https://getfedora.org/workstation/download/ [1] https://fedoraproject.org/wiki/Architectures/ARM/Raspberry_Pi/HATs#General_configuration [2] https://fedoraproject.org/wiki/Architectures/ARM/Raspberry_Pi#Does_sound_work? — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you are subscribed to this thread.Message ID: @.***>