wilsonb
Participant
Post count: 17

Raspberry Pi 2
Adafruit 3.5 PiTFT

Same problem, screen is extremely shaky/wavy, and now my HDMI says out of sync(no display on monitor)
BTW: Should this be at this resolution, since the pitxt is a 480
hdmi_cvt=320 240

config.txt
# for more options see http://elinux.org/RPi_config.txt
gpu_mem_256=128
gpu_mem_512=256
gpu_mem_1024=384

overscan_scale=1
gpu_mem=64
dtparam=spi=on

hdmi_force_hotplug=1
hdmi_cvt=320 240 60 1 0 0 0
hdmi_group=2
hdmi_mode=87
# — added by adafruit-pitft-helper Wed Jun 17 10:30:02 CDT 2015 —
[pi1]
device_tree=bcm2708-rpi-b-plus.dtb
[pi2]
device_tree=bcm2709-rpi-2-b.dtb
[all]
dtparam=spi=on
dtparam=i2c1=on
dtparam=i2c_arm=on

# dtoverlay=pitft35r,rotate=90,speed=42000000,fps=20
# — end adafruit-pitft-helper Wed Jun 17 10:30:02 CDT 2015 —

dtoverlay=pitft35r,rotate=90,speed=80000000,fps=60