How to force HDMI resolution on MiniDEXED?

[dolence]

I'm doing some tests with LVGL and an HDMI display with MiniDEXED. I made a fork and compiled it, but I couldn't force a custom HDMI configuration that made my display work under pure Circle. HDMI audio output from display is working nicely.

These lines on config.txt file worked for me on Circle, but they are doing nothing on MiniDEXED:

hdmi_cvt=1024 600 60 3 0 0 0
hdmi_group=2
hdmi_mode=87

I also have tried with this, without success:

framebuffer_width=1024
framebuffer_height=600
hdmi_safe=1
hdmi_group=2
hdmi_mode=87
hdmi_cvt=1024 600 60 3 0 0 0
hdmi_drive=2

[dolence]

Nevermind. I was adding these lines on the end of the file, putting them on the wrong section.