drm/i915: Initialise GTT MTRR to -1

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Fixes a regression from 9e984bc1 (drm/i915: Don't do MTRR setup if PAT
is enabled) where we left the MTRR as 0 and so tried to free a MTRR we
did not own during unload.

Reported-and-tested-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Chris Wilson 2012-03-23 17:38:49 +00:00 • committed by Daniel Vetter

parent f2c9677be3

commit 23f54beafe

1 changed files with 2 additions and 0 deletions

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drivers/gpu/drm/i915/i915_dma.c

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