diff options
Diffstat (limited to 'linux-core/drm_bufs.c')
| -rw-r--r-- | linux-core/drm_bufs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c index e9052570..c966badc 100644 --- a/linux-core/drm_bufs.c +++ b/linux-core/drm_bufs.c @@ -1528,6 +1528,7 @@ int drm_mapbufs(struct drm_device *dev, void *data, dev->buf_use++; /* Can't allocate more after this call */ spin_unlock(&dev->count_lock); + DRM_DEBUG("dma buf count %d, req count %d\n", request->count, dma->buf_count); if (request->count >= dma->buf_count) { if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP)) || (drm_core_check_feature(dev, DRIVER_SG) @@ -1538,10 +1539,12 @@ int drm_mapbufs(struct drm_device *dev, void *data, unsigned long token = dev->agp_buffer_token; if (!map) { + DRM_DEBUG("No map\n"); retcode = -EINVAL; goto done; } down_write(¤t->mm->mmap_sem); + DRM_DEBUG("%x %d\n", token, map->size); virtual = do_mmap(file_priv->filp, 0, map->size, PROT_READ | PROT_WRITE, MAP_SHARED, @@ -1555,6 +1558,7 @@ int drm_mapbufs(struct drm_device *dev, void *data, up_write(¤t->mm->mmap_sem); } if (virtual > -1024UL) { + DRM_DEBUG("mmap failed\n"); /* Real error */ retcode = (signed long)virtual; goto done; |