D19663: [platforms/fbdev] Use a better way to correct activating framebuffer devices

alexeymin added a comment.


    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Using frame buffer device: "/dev/fb0"
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Failed to open frame buffer device: "/dev/fb0" through logind, trying without
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Bits Per Pixel:  24
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Buffer Length:  6266880
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Bytes Per Line:  3264
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Alpha Length:  0
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Red Length:  8
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Green Length:  8
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Blue Length:  8
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Blue Offset:  0
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Green Offset:  8
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Red Offset:  16
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Alpha Offset:  0
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_wayland_framebuffer: Framebuffer Format is RGB888
    Mar 10 11:01:34 klte user.notice user:plasma-mobile: kwin_core: Compositing forced to QPainter mode by environment variable
  
  F6689885: image.png <https://phabricator.kde.org/F6689885>
  
  Tested this, seems to work! No more blue screen and bits_per_pixel value is correct. Colors looks incorrect (red swapped with blue, visible on angelfish icon), but this may be problem with my device framebuffer driver, need to debug more...

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D19663

To: nerdopolist, #kwin, davidedmundson, graesslin, zzag
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