[Bug 58497] [HSW] I-G-T/testdisplay, there's error in dmesg

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri May 10 07:56:41 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=58497

Damien Lespiau <damien.lespiau at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Damien Lespiau <damien.lespiau at gmail.com> ---
This should be fixed in the drm-intel-next-queued branch by:

From: Damien Lespiau <damien.lespiau at intel.com>
Date: Fri, 10 May 2013 13:01:51 +0000
Subject: drm/i915: Compute WR PLL dividers dynamically

Up to now, we were using a static table to match the clock frequency
with a (r2,n2,p) triplet. Despite this table being big, it's by no mean
comprehensive and we had to fall back to the closest frequency when the
requested TMDS clock wasn't in the table.

This patch computes (r2,n2,p) dynamically and get rid of The Big Table.

v2: Replace the floating point constant 1e6 by 1000000

Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=58497
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com> (v1)
Tested-by: Paulo Zanoni <paulo.r.zanoni at intel.com> (v1)
[danvet: s/        /^T/]
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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