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Local Display 8.8 in 1920x480 - Printable Version

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Local Display 8.8 in 1920x480 - mtavares - 12-23-2024

Hi,


I am trying to make my local display working properly with the Moode 9.2, however. I could not find a way to rotate properly the image.

By default,  it appears in Portrait mode, although it is presented Landscape in the HDMI settings.


When I tried to change in the HDMI settings to Portrait. It appears in the final 25%  of the screen.


I tried two other things in the  config.txt  without good results:

1) display_rotate=1 (no change)

2) Use a previous config file from another setup with the same panel that worked properly. When I tried it, the RPi crashed.
hdmi_timings=480 0 30 30 30 1920 0 6 6 6 0 0 0 60 0 55296000 8
hdmi_group=2
hdmi_mode=87
hdmi_drive=2
display_rotate=1
hdmi_force_mode=1

framebuffer_width=1920
framebuffer_height=480
max_framebuffer_width=1920
max_framebuffer_height=1920

Any other suggestions?

Thanks in advance. Merry Christmas and a Happy New Year.

QJA

RE: Local Display 8.8 in 1920x480 - Tim Curtis - 12-23-2024

Is the display connected via a ribbon cable to a DSI port via an HDMI cable to an HDMI port?

If DSI then in the "DSI displays (Pi Touch1/Touch2)" section try setting Type to Touch 2, reboot then set Roate to 270 deg.

RE: Local Display 8.8 in 1920x480 - mtavares - 12-24-2024

Tim,

The connection is via HDMI cable and not DSI.

Any other recommendation?

Thanks. QJA

RE: Local Display 8.8 in 1920x480 - Tim Curtis - 12-24-2024

Remove any screen params added to /boot/firmware/config.txt and return the file to stock.
Reboot

Run the command below to print the screen resolution
Code:
kmsprint


RE: Local Display 8.8 in 1920x480 - mtavares - 12-24-2024

Tim,

See below the print and the pictures of the display presentation.


Connector 0 (32) HDMI-A-1 (disconnected)                                                                                                                                                                                                                                                  
 Encoder 0 (31) TMDS                                                                                                                                                                                                                                                                    
Connector 1 (42) HDMI-A-2 (connected)                                                                                                                                                                                                                                                    
 Encoder 1 (41) TMDS                                                                                                                                                                                                                                                                    
   Crtc 4 (113) 480x1920@60.00 66.280 480/30/30/30/+ 1920/6/6/6/+ 60 (60.00)                                                                                                                                                                                                            
     Plane 4 (102) fb-id: 723 (crtcs: 4) 0,0 480x1920 -> 0,0 480x1920 (XR24 AR24 AB24 XB24 RG16 BG16 AR15 XR15 RG24 BG24 YU16 YV16 YU24 YV24 YU12 YV12 NV12 NV21 NV16 NV61 P030 XR30 AR30 AB30 XB30 RGB8 BGR8 XR12 AR12 XB12 AB12 BX12 BA12 RX12 RA12)                                  
       FB 723 480x1920 XR24                                

Thanks by your support. QJA

RE: Local Display 8.8 in 1920x480 - Tim Curtis - 12-24-2024

You could try the command below to see if results in landscape orientation for that screen.

Code:
DISPLAY=:0 xrandr --output HDMI-1 --rotate left

options: left, right, inverted, normal


RE: Local Display 8.8 in 1920x480 - mtavares - 12-26-2024

(12-24-2024, 05:33 PM)Tim Curtis Wrote: You could try the command below to see if results in landscape orientation for that screen.

Code:
DISPLAY=:0 xrandr --output HDMI-1 --rotate left

options: left, right, inverted, normal

I did the modifications and it had no effect.  I included this command in the last line of the config.txt.  Am I missing something?

Thanks. QJA

RE: Local Display 8.8 in 1920x480 - Tim Curtis - 12-26-2024

Its not a config.txt command and should be removed from that file.

Just run it directly at the SSH command prompt.

RE: Local Display 8.8 in 1920x480 - mtavares - 12-26-2024

The command worked on the screen. However, I verified that the proportion does not change. Some parts will not be visible. See the figures below.

Is it possible to have the Music Title and buttons shown in the screen,  when rotation is performed?

Thanks. QJA

RE: Local Display 8.8 in 1920x480 - steve4star - 12-26-2024

(12-26-2024, 07:11 PM)mtavares Wrote: The command worked on the screen. However, I verified that the proportion does not change. Some parts will not be visible. See the figures below.

Is it possible to have the Music Title and buttons shown in the screen,  when rotation is performed?

Thanks. QJA

You will probably need to correct the screen size in the xinit.rc file. 
Code:
SCREENSIZE="1920,480"