On Sun, 22 Aug 2010 12:05:45 +0100, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > The calculation seem backwards as they compute the number of entries > that would be drained during a memory fetch, and but return the opposite > value. > > This fixes a common flicker [or even completely scrambled display] on > high resolution outputs (e.g. 1920x1080 with 915GM). However, as we do not > adjust DSPARB, we are still limited by the FIFO setup by the BIOS which may > continue to cause underruns with high resolutions on some machines. > > References: > > Bug 22996 - [945GM] external lcd does not work on high resolution > https://bugs.freedesktop.org/show_bug.cgi?id=22996 > > Bug 25284 - [915GM] random flickering when using metacity-compositor > https://bugs.freedesktop.org/show_bug.cgi?id=25284 > > Bug 25857 - [945]: Entire screen "jerks" randomly after removing external > monitor > https://bugs.freedesktop.org/show_bug.cgi?id=25857 > > Bug 27738 - [915] 1920x1200 resolution fails, probable FIFO issue. > https://bugs.freedesktop.org/show_bug.cgi?id=27738 > > Bug 28149 - [945GM] KMS regression. > https://bugs.freedesktop.org/show_bug.cgi?id=28149 > > Also it may address some instances where the monitor fails to sync > due to underruns.
What's up with all the bug references here? I hit the first 3 and didn't see any mention of this patch. I'd probably prefer to see either Tested-by or nothing.
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