The following commit seems to mangle small PNG icons at an Intel GM45 graphic card, if the notebook is driven in a dual-head configuration (internal LVDS1 w/ 1440x900 + external VGA w/ 1280x1024) : $ git bisect bad 1ce2b65d622797000e0a4db7dc851d5b1da04f85 is the first bad commit commit 1ce2b65d622797000e0a4db7dc851d5b1da04f85 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Sat Apr 14 11:59:31 2012 +0100 sna: Align render target sizes on gen2/3 to 4x4 render spans Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> :040000 040000 97e7b24b79bc681e24df91232e43625759f1cbf0 ed63e6d4bc53cb8d4b53aae8fd5380ec89bcf87f M src Here https://bugzilla.kernel.org/show_bug.cgi?id=43116 you can find attached screen shots as examples.
*g* I was half expecting that fallout. I keep poking that code to see if I've fixed the underlying issues, and everytime so far it turns out I have not.
Created attachment 60242 [details] [review] Up the alignment to 4 render pixels Can you please test this patch?
(In reply to comment #2) > Can you please test this patch? issue solved - at a first quick view (BTW reverting 1ce2b65d6 worked too) (In reply to comment #1) > *g* I was half expecting that fallout. gah - I argued first that a gdk-pixbuf update introduced this nagging glitches :-)
Thanks, lets run with that and see if and further issues are uncovered. commit fd81408b978c9b57c046ee43d2d32e1370e83a7d Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Wed Apr 18 11:39:43 2012 +0100 sna: Increase the render target alignment to 4 pixels on gen4+ as well Repoerted-and-tested-by: Toralf Förster <toralf.foerster@gmx.de Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48865 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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