# Uncomment this to enable infrared communication. # Uncomment some or all of these to enable the optional hardware interfaces # uncomment to increase signal to HDMI, if you have interference, blanking, or # uncomment to force a HDMI mode rather than DVI. # uncomment to force a specific HDMI mode (this will force VGA) # uncomment if hdmi display is not detected and composite is being output By default it will be display's size minus # goes off screen, and negative if there is too much border # uncomment the following to adjust overscan. # uncomment if you get no picture on HDMI for a default "safe" mode # Some settings may impact device functionality. Make sure everything stays on a single line only!) in case you want to force I assume a rotation by 90 degrees hereĬode: Select all [console=serial0,115200 console=tty1 root=PARTUUID=cf80e1bc-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash file: Lcd_rotate= 1 has no effect on KMS as it is related to legacy/FKMS graphics only.Īnyhow, try adding below to your kernel command line (cmdline.txt find it in boot. Stay with KMS ( dtoverlay=vc4-kms-v3d ) as FKMS is deprecated. Why is bullseye not back-compatible ? Do others have this problem ? However, when I then hopefully add lcd_rotate= 1, it has no effect. If in config.txt I change dtoverlay=vc4-kms-v3d to dtoverlay=vc4-fkms-v3d, this removes the above menu choices. This works well on Rpi 4 but not on other Rpi versions. To attempt to alter screen orientation, I use the standard and excellent (when it works) bullseye menu : preferences > Screen Config > Hdmi1 > orientation> then choose R from options normal/R/invert/L. I have used screen resolutions of 1920 x 1080 initially, and 1280 x 720 50 Hz for my Magic Mirror program: however, I feel this should not be a factor.
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