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| author | Daniel Vetter | 2010-05-13 11:49:44 +0200 |
|---|---|---|
| committer | Eric Anholt | 2010-05-26 23:13:36 +0200 |
| commit | 778c35444f7bbb8f1816d40ada650e19c5da9c02 (patch) | |
| tree | de99bcb4a102591dc63f37e37edf200e7998c60c /drivers/gpu/drm/i915/i915_gem.c | |
| parent | drm/i915/dp: Add DPCD data to debug output (diff) | |
| download | kernel-qcow2-linux-778c35444f7bbb8f1816d40ada650e19c5da9c02.tar.gz kernel-qcow2-linux-778c35444f7bbb8f1816d40ada650e19c5da9c02.tar.xz kernel-qcow2-linux-778c35444f7bbb8f1816d40ada650e19c5da9c02.zip | |
drm/i915: combine all small integers into one single bitfield
This saves a whooping 7 dwords. Zero functional changes. Because
some of the refcounts are rather tightly calculated, I've put
BUG_ONs in the code to check for overflows.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index c51495f15718..bf703551343a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2247,6 +2247,9 @@ i915_gem_object_get_pages(struct drm_gem_object *obj, struct inode *inode; struct page *page; + BUG_ON(obj_priv->pages_refcount + == DRM_I915_GEM_OBJECT_MAX_PAGES_REFCOUNT); + if (obj_priv->pages_refcount++ != 0) return 0; @@ -4156,6 +4159,8 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); int ret; + BUG_ON(obj_priv->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT); + i915_verify_inactive(dev, __FILE__, __LINE__); if (obj_priv->gtt_space == NULL) { ret = i915_gem_object_bind_to_gtt(obj, alignment); |