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(parent: 80dbf4b) | patch
drm/i915: SNB BLT workaround
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 2 Nov 2010 10:38:58 +0000 (10:38 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 2 Nov 2010 10:48:48 +0000 (10:48 +0000)
commit5588978882b5f4b81169bd7f9bc941e3a12ee8ba
tree01c9af11069c0402e483369728bc9a879ce0a86etree | snapshot (tar.bz2 tar.gz zip)
parent80dbf4b72b0bcac71fc683914293555edb7bc7eecommit | diff
drm/i915: SNB BLT workaround

On some stepping of SNB cpu, the first command to be parsed in BLT
command streamer should be MI_BATCHBUFFER_START otherwise the GPU
may hang.

(cherry picked from commit 8d19215be8254f4f75e9c5a0d28345947b0382db)

Conflicts:

drivers/gpu/drm/i915/intel_ringbuffer.c
drivers/gpu/drm/i915/intel_ringbuffer.h

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Cc: stable@kernel.org
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_ringbuffer.c diff | blob | blame | history
drivers/gpu/drm/i915/intel_ringbuffer.h diff | blob | blame | history
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