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@xxxxxxxxxxxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_stolen.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index b902f2a..d284d89 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;
--
1.8.4.rc3
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