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by kingsb
Thu Dec 14, 2017 8:44 am
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Re: Can't get resolution 1080x1920 (flipped FullHD)

The problem I am facing is to set the R_pi output to 24 bit RGB. I am trying to use this RGB data and converter them to MIPI DSI using SSD2828 chip. It would be a great help if you can shed some light on the framebuffer_depth that you were able to achieve. Sorry, bro, I did not tune the framebuffer...
by kingsb
Sat Jul 30, 2016 7:17 am
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Re: Can't get resolution 1080x1920 (flipped FullHD)

Could you share mode details about this? Which display+hdmi adapter are you using, which raspberry and operating system? display: LH550WF1-SD01 panel from LG http://www.panelook.com/LH550WF1-SD01_LG%20Display_5.5_LCM_overview_19410.html HDMI-MIPI adapter: SDH-MPFH2 from Signet http://www.signetfpd....
by kingsb
Wed May 06, 2015 2:51 pm
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Re: Can't get resolution 1080x1920 (flipped FullHD)

Thanks everyone, finally I managed to obtain required 1080x1920! Reading this thread I tried the similar settings, and managed to see full resolution. The final config.txt looks as follows: disable_overscan=1 overscan_left=0 overscan_right=0 overscan_top=0 overscan_bottom=0 display_rotate=0 hdmi_for...
by kingsb
Wed May 06, 2015 2:16 pm
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Re: Can't get resolution 1080x1920 (flipped FullHD)

You normally don't want to set framebuffer_height and framebuffer_width . On the Raspberry Pi the framebuffer is a single layer rendered by the compositor onto the display. The framebuffer width and height is independent of the display width and height. Normally, if there is no overscan settings th...
by kingsb
Wed May 06, 2015 10:25 am
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Re: Can't get resolution 1080x1920 (flipped FullHD)

davidcoton wrote:Perhaps this line needs upating for the actual height? (Conjecture, not knowledge, on my part)

Code: Select all

framebuffer_height=1200
Nope, this does not help - when I put

Code: Select all

framebuffer_height=1920
, the resolution nevertheless resets to 1200x1080
by kingsb
Sat Apr 25, 2015 4:30 pm
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Re: Can't get resolution 1080x1920 (flipped FullHD)

do you want to flip your monitor ? see display_rotate option in config.txt file Using this option I only can get 1200x1080 or 1080x1200 - please note, my display has 1080 pixels in line, 1920 lines, not as ordinary FullHD display, which has 1920 pixels in line and 1080 lines. I can suppose that 120...
by kingsb
Mon Apr 20, 2015 4:51 pm
Forum: Advanced users
Topic: Can't get resolution 1080x1920 (flipped FullHD)
Replies: 16
Views: 6360

Can't get resolution 1080x1920 (flipped FullHD)

I'm trying to obtain full resolution on LCD display from smartphone, which is 1080x1920 pixels - it's not FullHD, because it has 1080 on X and 1920 on Y axis. But the best I can get is 1080x1200. Tried both RPI and RPI-2. Can anyone clarify, is it possible at all? Digging into details, that's what I...

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