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drm/i915: Bump object bookkeeping to u64 from size_t

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Internally we allow for using more objects than a single process can
allocate, i.e. we allow for a 64bit GPU address space even on a 32bit
system. Using size_t may oveerflow.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161018120251.25043-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-10-18 13:02:48 +01:00
parent 30d1b5fe8c
commit 3ef7f22893
3 changed files with 4 additions and 4 deletions
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2
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -392,7 +392,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
if (ret)
return ret;
seq_printf(m, "%u objects, %zu bytes\n",
seq_printf(m, "%u objects, %llu bytes\n",
dev_priv->mm.object_count,
dev_priv->mm.object_memory);

2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1389,7 +1389,7 @@ struct i915_gem_mm {
/* accounting, useful for userland debugging */
spinlock_t object_stat_lock;
size_t object_memory;
u64 object_memory;
u32 object_count;
};

4
drivers/gpu/drm/i915/i915_gem.c
View File

@ -82,7 +82,7 @@ remove_mappable_node(struct drm_mm_node *node)
/* some bookkeeping */
static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv,
size_t size)
u64 size)
{
spin_lock(&dev_priv->mm.object_stat_lock);
dev_priv->mm.object_count++;
@ -91,7 +91,7 @@ static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv,
}
static void i915_gem_info_remove_obj(struct drm_i915_private *dev_priv,
size_t size)
u64 size)
{
spin_lock(&dev_priv->mm.object_stat_lock);
dev_priv->mm.object_count--;