diff options
| author | Chris Wilson | 2012-03-23 17:38:49 +0000 |
|---|---|---|
| committer | Daniel Vetter | 2012-03-28 22:07:57 +0200 |
| commit | 23f54beafee1c31c7f0127650ec2903d80b3dfeb (patch) | |
| tree | 1cbbd94881f1cc2aa6ff50376fe6bba015e72765 /drivers/gpu | |
| parent | f2c9677be3158c31ba19f527e2be0f7a519e19d1 (diff) | |
drm/i915: Initialise GTT MTRR to -1
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 4f690374fffe..a9caf62b5dd2 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1923,6 +1923,8 @@ static void i915_mtrr_setup(struct drm_i915_private *dev_priv, unsigned long base, unsigned long size) { + dev_priv->mm.gtt_mtrr = -1; + #if defined(CONFIG_X86_PAT) if (cpu_has_pat) return; |