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(parent: d3bcb75) | patch
drm/915: fix relaxed tiling on gen2: tile height
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 12 May 2011 21:17:20 +0000 (22:17 +0100)
committerKeith Packard <keithp@keithp.com>
Sat, 4 Jun 2011 17:41:12 +0000 (10:41 -0700)
commitc8ebc2b076ad9e1833cb4f7f1a6f30b4786a2a09
tree68eb78019ecddcb91c025f1f0d2dd1c0e3a2ba64tree | snapshot
parentd3bcb75776a10ee4b67afe6156fd927b9da77d03commit | diff
drm/915: fix relaxed tiling on gen2: tile height

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.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
drivers/gpu/drm/i915/i915_gem.c diff | blob | history
Domain: System / Kernel;