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(parent: 63614fc) | patch
drm/nouveau/fbcon/nv11-: correctly account for ring space usage
authorIlia Mirkin <imirkin@alum.mit.edu>
Mon, 29 Jun 2015 08:07:20 +0000 (04:07 -0400)
committerBen Skeggs <bskeggs@redhat.com>
Mon, 27 Jul 2015 08:56:10 +0000 (18:56 +1000)
commit5606a0b0a2cf07ea36644a631279bd1b16c0650d
treef9813092cb8d50c633c806a81effa79f86dc1286tree | snapshot
parent63614fcd187f2bb2fe06b379b03362059af3c7e3commit | diff
drm/nouveau/fbcon/nv11-: correctly account for ring space usage

The RING_SPACE macro accounts how much space is used up so it's
important to ask it for the right amount. Incorrect accounting of this
can cause page faults down the line as writes are attempted outside of
the ring.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nv04_fbcon.c diff | blob | history
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