[PATCH] radeon: avoid possible divide by 0 in surface manager

Michel Dänzer michel at daenzer.net
Tue Dec 10 16:39:31 PST 2013


On Die, 2013-12-10 at 12:42 -0500, Alex Deucher wrote:
> Some users report hitting a divide by 0 with the tile split in
> certain apps.  Tile_split shouldn't ever be 0 unless the surface
> structure was not properly initialized.  I think there may be some
> cases where mesa uses an improperly initialized surface struct,
> but I haven't had time to track it down.

It would be good to know where the bogus tile split is coming from
though — who knows what else might be wrong in that case?


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer



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