On Thu, 12 May 2011 22:17:20 +0100, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > From: Daniel Vetter <daniel.vet...@ffwll.ch> > > A tile on gen2 has a size of 2kb, stride of 128 bytes and 16 rows. > > Userspace was broken and assumed 8 rows. Chris Wilson noted that the > kernel unfortunately can't reliable check that because libdrm rounds > up the size to the next bucket.
Please explain (in the commit message) the impact on both new and old user space. I remember (vaguely) that this patch will cause old user space to have issues. If so, we'll need a way to detect new user space and provide correct behaviour there without impacting old user space. -- keith.pack...@intel.com
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