1. Don't just overwrite the supplied config.txt - make careful changes to it. The default config.txt looks like this:2. Try just adding the overlay to that: like it says on the wiki page for that product.
3. Any "video=" belongs in cmdline.txt, not config.txt. See the wiki page, again.
4. Don't expect random tutorials to be updated. Ever.
Code:
~$ cat /boot/firmware/config.txt# For more options and information see# http://rptl.io/configtxt# Some settings may impact device functionality. See link above for details# Uncomment some or all of these to enable the optional hardware interfaces#dtparam=i2c_arm=on#dtparam=i2s=on#dtparam=spi=on# Enable audio (loads snd_bcm2835)dtparam=audio=on# Additional overlays and parameters are documented# /boot/firmware/overlays/README# Automatically load overlays for detected camerascamera_auto_detect=1# Automatically load overlays for detected DSI displaysdisplay_auto_detect=1# Automatically load initramfs files, if foundauto_initramfs=1# Enable DRM VC4 V3D driverdtoverlay=vc4-kms-v3dmax_framebuffers=2# Don't have the firmware create an initial video= setting in cmdline.txt.# Use the kernel's default instead.disable_fw_kms_setup=1# Run in 64-bit modearm_64bit=1# Disable compensation for displays with overscandisable_overscan=1# Run as fast as firmware / board allowsarm_boost=1[cm4]# Enable host mode on the 2711 built-in XHCI USB controller.# This line should be removed if the legacy DWC2 controller is required# (e.g. for USB device mode) or if USB support is not required.otg_mode=1[cm5]dtoverlay=dwc2,dr_mode=host[all]Code:
dtoverlay=vc4-kms-dsi-7inch3. Any "video=" belongs in cmdline.txt, not config.txt. See the wiki page, again.
4. Don't expect random tutorials to be updated. Ever.
Statistics: Posted by PhilE — Mon Feb 17, 2025 5:23 pm