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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [bisected] kernel 3.7.0-rc1 breaks 6950 (boot/grub2 and suspend/resume) (CAYMAN)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56139#c41">Comment # 41</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [bisected] kernel 3.7.0-rc1 breaks 6950 (boot/grub2 and suspend/resume) (CAYMAN)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=56139">bug 56139</a>
from <span class="vcard"><a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=56139#c40">comment #40</a>)
<span class="quote">> In evergreen_reg.h, /* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0,
> 0x11df0, 0x129f0 */ is not used to define the registers following this
> comment it. It seems to correspond to display controller offsets.
>
> Is the comment at the wrong place or are the registers not defined with the
> right addresses?</span >
They are correct. The crtc blocks are repeated at different offsets within the
register aperture. So if you wanted to access EVERGREEN_CRTC_CONTROL for crtc
0, you access: EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, for
crtc 1:
EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, etc.</pre>
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