On Thu, Jun 02, 2016 at 09:38:20AM +0200, Jörg-Volker Peetz wrote: > Mostafa Shahverdy wrote on 06/01/16 21:02: > > On Mon, May 30, 2016 at 05:04:48PM +0200, Jörg-Volker Peetz wrote: > >> > >> But xserver-xorg-video-radeon would be the right driver to use. Now you're > >> using > >> the much simpler vesa driver. > >> > >> The Xorg.0.log file shows that X is searching for the ati driver (package > >> xserver-xorg-video-ati) which will then use the radeon driver from the > >> xserver-xorg-video-radeon package. > >> Try the ati package and if it fails or not, let's look into the contents > >> of the > >> Xorg.0.log file of that again. > >> > > Well, after some struglings I could make it load Radeon driver, and I > > can only get 1920x1080 though. Have a look at my xorg.log again please. > > > > Hi Mostafa, > > your log file shows that your card ("Chipset") is detected as Radeon HD 5450 > (driver r600) with VRAM of 921355K and three outputs (HDMI-0, DVI-0, VGA-0). > It supports the "detailed timing": > clock: 185.6 MHz Image Size: 677 x 290 mm > h_active: 2560 h_sync: 2624 h_sync_end 2688 h_blank_end 2784 h_border: 0 > v_active: 1080 v_sync: 1083 v_sync_end 1093 v_blanking: 1111 v_border: 0 > > But then it lists "probed modes for output HDMI-0" > with maximum "1920x1080"x60.0. > > The monitor screen resolutions via DDC is supporting "2560x1080 @ 66.7 kHz". > > Then it says "Allocate new frame buffer 1920x1080 stride 1920". > > This is somehow confusing for me. > > > What is the output of the command "xrandr" when X is running?
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 677mm x 290mm 1920x1080 60.00* 50.00 59.94 30.00 29.97 1920x1080i 60.00 50.00 59.94 1680x1050 59.88 1600x900 60.00 1280x1024 75.02 60.02 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.08 60.00 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 DVI-0 disconnected (normal left inverted right x axis y axis) VGA-0 disconnected (normal left inverted right x axis y axis) > > Which kernel packages ("linux-image*") are installed? linux-image-amd64 linux-image-4.5.0-2-amd64 linux-image-4.3.0-1-amd64 linux-headers-4.5.0-2-amd64 linux-headers-4.4.0-1-grsec-amd64 > > Is there another GPU in your computer (integrated in the CPU or chipset)? No, Just this one. But as I already mentioned in the thread, I was using a GForce gpu before this one. > > How did you achieve the 1920x1080 setup? Just Gnome settings using display option. Also arandr doesn't show a better resolution. > > Side notes: > For the moment I would remove every irrelevant xserver-xorg-video package from > the computer with these commands: > apt-mark manual xserver-xorg-video-ati > apt-get purge xserver-xorg-video-all > > Do you have aptitude installed? I've tried to remove every possible drivers. Currently I only have radeon driver. I have aptitude, but I mostly use apt-get (can it cause problems?) > > Regards, > jvp. > -- Regards, Mostafa Shahverdy <http://www.mostafa.info/pgp>
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