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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-09-05 14:40:25 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-09-05 14:49:50 +0200 |
| commit | 6644a4e9422fe19293599d1fef0bd292f4ca72a6 (patch) | |
| tree | 176498e272cb962d3b2a2a6663847666af324a6c | |
| parent | drm/i915: fix gpu hang vs. flip stall deadlocks (diff) | |
| download | linux-6644a4e9422fe19293599d1fef0bd292f4ca72a6.tar.xz linux-6644a4e9422fe19293599d1fef0bd292f4ca72a6.zip | |
drm/i915: Skip stolen region initialisation if none is reserved
Paulo reported that if he set the amount of reserved memory to 0, then
we emitted a warning about a conflict before disabling our use of stolen
memory. This was introduced with
commit eaba1b8f3379b5d100bd146b9a41d28348bdfd09
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu Jul 4 12:28:35 2013 +0100
drm/i915: Verify that our stolen memory doesn't conflict
and is simply fixed by checking for a no reservation first.
Reported-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_stolen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 9969d10b80f5..e15a1d90037d 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -201,6 +201,9 @@ int i915_gem_init_stolen(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int bios_reserved = 0; + if (dev_priv->gtt.stolen_size == 0) + return 0; + dev_priv->mm.stolen_base = i915_stolen_to_physical(dev); if (dev_priv->mm.stolen_base == 0) return 0; |