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    SubjectRe: 3.16, i915: less colors in X?
    On Sat, Jun 21, 2014 at 10:29:01PM +0200, Pavel Machek wrote:
    > Hi!
    >
    > I just test-booted 3.16-rc1, and background in X looked just wrong --
    > very noticeable bands on the background gradient. I thought that maybe
    > it is just my eyes, but I went back to older kernel, and background is
    > ok now.
    >
    > I'm trying to figure out how to ask X what color depth it is using...?
    >
    > This is thinkpad x60 with Debian 6.0.9.
    >
    > Any ideas?

    That suggests that the panel dithering changed. Compare intel_reg_dumper
    output for both kernels, especially PIPE.CONF.
    -Chris

    --
    Chris Wilson, Intel Open Source Technology Centre


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