Bug 73877 - [gen2] Only low end devices use 16bit, why is my 845g using 16bit...
Summary: [gen2] Only low end devices use 16bit, why is my 845g using 16bit...
Status: RESOLVED FIXED
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: unspecified
Hardware: x86 (IA32) Linux (All)
: lowest trivial
Assignee: Chris Wilson
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-01-21 13:55 UTC by Eugene
Modified: 2014-02-01 12:36 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:


Attachments

Description Eugene 2014-01-21 13:55:21 UTC
After installing xubuntu 13.10 on old computer with Intel 845G graphics adapter i found that color depth is low. The screen looks very poor and for me it would be impossible to change this if someone wouldn't help. After creating custom xorg.conf file it became look fine - in 24 bit. So, if it could be, I think, that must be the default. Also in comments in https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1173649 it seems that default 15/16 bit instead of 24 is not the best choice. People doesn't understand why 15/16 is used instead of 24. I also doesn't see much difference, except the fact that 15/16 looks horrible.
Comment 1 Chris Wilson 2014-01-21 14:26:30 UTC
Otoh, 15/16bpp is a good choice for the limitations of that hardware.
Comment 2 Eugene 2014-01-21 16:58:34 UTC
How can it be a good choice if 24 bit working good: in Windows XP and in Xubuntu 13.10 (with custom xorg.conf) ? Today with custom xorf.conf file I configured it and it works at 24 bit perfectly. What limitations ?
Comment 3 Chris Wilson 2014-01-21 17:20:35 UTC
Because the Windows driver defaults to 16bit as well... It's almost as if the hardware was spec'ed primarily to run at 16bit..
Comment 4 Eugene 2014-01-21 17:50:12 UTC
The thing is that in windows I just do right mouse click and choose display resolution and color depth. This is very simple for anyone. But in Linux I must know what is X Server and what is xorg.conf file, where it is situated and the more - how and what to write it to switch to 24 bit. I'm newbie and there some people who helped me with it. What the others should do in this case ?
Comment 5 Damien Lespiau 2014-01-21 18:01:03 UTC
That's a fair comment, but that's a bug for the software you using to configure your displays, gnome-control-centre maybe?
Comment 6 Chris Wilson 2014-01-31 21:26:51 UTC
I am fed up with having this argument.

commit 539b749416b275d84e05e2a5b62d946903aa3d29
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Jan 31 18:02:51 2014 +0000

    sna: Use 24bpp rendering by default for gen2 again
Comment 7 Eugene 2014-02-01 12:36:41 UTC
(In reply to comment #6)
> I am fed up with having this argument.
> 
> commit 539b749416b275d84e05e2a5b62d946903aa3d29
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Fri Jan 31 18:02:51 2014 +0000
> 
>     sna: Use 24bpp rendering by default for gen2 again

Thanks. This will be very comfortably.


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