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    SubjectRe: [PATCH] DRM / i915: Fix resume regression on MSI Wind U100 w/o KMS
    On Monday 11 January 2010, Dave Airlie wrote:
    > On Tue, Jan 12, 2010 at 2:38 AM, Jesse Barnes <> wrote:
    > > On Sun, 10 Jan 2010 07:32:30 +1000
    > > Dave Airlie <> wrote:
    > >> I'm in the 2-3 years at a minimum, with at least one kernel with no
    > >> serious regressions in Intel KMS, which we haven't gotten close to
    > >> yet. I'm not even sure the Intel guys are taking stable seriously
    > >> enough yet. So far I don't think there is one kernel release (even
    > >> stable) that works on all Intel chipsets without
    > >> backporting patches. 2.6.32 needs the changes to remove the messed up
    > >> render clock hacks which should really have been reverted a lot
    > >> earlier since we had a lot of regression reports. The number of users
    > >> using powersave=0 to get anything approaching useable is growing etc.
    > >
    > > But you could apply that argument to the existing DRM code (not just
    > > Intel) as well; lots of things are broken or unimplemented and never
    > > get fixed. I'd say the right metric isn't whether regressions are
    > > introduced (usually due to new features) but whether the driver is
    > > better than the old userspace code. For Intel at least, I think we're
    > > already there. The quality of the kernel driver is higher and it has
    > > many more features than the userspace implementation ever did. That's
    > > just my subjective opinion, but I've done a *lot* of work on our bugs
    > > both in userspace and in the kernel, so I think it's an accurate
    > > statement.
    > The problem is at any single point in time I'm not sure a kms kernel
    > exists that works across all the Intel hw, which from a distro POV is a real
    > pain in the ass, a regression gets fixed on one piece of hw just as
    > another on a different piece gets introduced.
    > I'd really like if Intel devs could either slow it down and do more testing
    > before pushing to Linus, or be a lot quicker with the reverts when stuff
    > is identified. The main thing is the render reclocking lately, thats been a
    > nightmare and as far as I can see still has all the issues,

    Hmm, are you trying to say radeon is better at that?

    My experience is quite the opposite to be honest.


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