Bug#785448: xserver-xorg-video-ati: Screen is badly tinged with green when using the open source driver

[Alex Deucher]

On Mon, May 18, 2015 at 4:32 AM, Owen Riddy <owen.riddy at gmail.com> wrote:
> No worries.
>
> It turns out that the problem was the "Color Format" of my screen. Dunno
> what that is, but it was configuring poorly and the open source driver seems
> happier when it is set to RGB rather than YCbCr. Maybe Catalyst is a bit
> more forgiving or maybe there is some configuration issue here I don't
> understand.
>
> My problem is solved; there may still be a minor bug here in how the
> auto-configuration of the driver works.

The open source driver does not support YCbCr at the moment.

Alex

>
> Owen Riddy
> Email: owen.riddy at gmail.com
> Mobile: 040 163 2663
>
> --
>
> On 18 May 2015 at 17:41, Michel Dänzer <michel at daenzer.net> wrote:
>>
>> On 18.05.2015 16:28, Owen Riddy wrote:
>> > I have not, but if I reboot the computer to an install of Jessie using
>> > fglrx the tinge is not present; and it appeared shortly after updating
>> > to Jessie + unstable. I'll try a few things with the cable & report back
>> > if any of them have an impact, but the fglrx test suggests this problem
>> > is 100% fixable in software.
>>
>> I guess I misunderstood the comments about fglrx in your original
>> report. I agree it's probably a software bug then, though it's more
>> likely in the kernel driver than in the Xorg driver.
>>
>>
>> --
>> Earthling Michel Dänzer               |               http://www.amd.com
>> Libre software enthusiast             |             Mesa and X developer
>
>
>
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