drm/i915: set w/a bit for snb pagefaults

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Bspec says that we need to set this: vol1c.3 "Blitter Command
Streamer", Section 1.1.2.1 "GAB_CTL_REG - GAB Unit Control Register".

We don't really rely on pagefaults, but who knows what this all
affects.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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This commit is contained in:

Daniel Vetter 2012-04-11 20:42:39 +02:00

parent de4a8bd162

commit be901a5a1b

2 changed files with 9 additions and 1 deletions

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7

drivers/gpu/drm/i915/i915_gem.c

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3

drivers/gpu/drm/i915/i915_reg.h

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