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authorBen Skeggs <bskeggs@redhat.com>2011-03-04 09:58:36 +1000
committerDave Airlie <airlied@redhat.com>2011-03-04 11:07:19 +1000
commit73412c3854c877e5f37ad944ee8977addde4d35a (patch)
treee47e7d021449b6c2d0a9b566cbc8d92f84d466cc /drivers/gpu/drm
parentb65a0e0c84cf489bfa00d6aa6c48abc5a237100f (diff)
downloadlinux-2.6.38-lt-ux500-73412c3854c877e5f37ad944ee8977addde4d35a.tar.gz
drm/nouveau: allocate kernel's notifier object at end of block
The nv30/nv40 3d driver is about to start using DMA_FENCE from the 3D object which, it turns out, doesn't like its DMA object to not be aligned to a 4KiB boundary. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dma.c3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_notifier.c11
3 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index 65699bfaaae..b368ed74aad 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -83,7 +83,8 @@ nouveau_dma_init(struct nouveau_channel *chan)
return ret;
/* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */
- ret = nouveau_notifier_alloc(chan, NvNotify0, 32, &chan->m2mf_ntfy);
+ ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfd0, 0x1000,
+ &chan->m2mf_ntfy);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 9821fcacc3d..982d70b1272 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -852,7 +852,8 @@ extern const struct ttm_mem_type_manager_func nouveau_vram_manager;
extern int nouveau_notifier_init_channel(struct nouveau_channel *);
extern void nouveau_notifier_takedown_channel(struct nouveau_channel *);
extern int nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle,
- int cout, uint32_t *offset);
+ int cout, uint32_t start, uint32_t end,
+ uint32_t *offset);
extern int nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *);
extern int nouveau_ioctl_notifier_alloc(struct drm_device *, void *data,
struct drm_file *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index fe29d604b82..5ea167623a8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -96,7 +96,8 @@ nouveau_notifier_gpuobj_dtor(struct drm_device *dev,
int
nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
- int size, uint32_t *b_offset)
+ int size, uint32_t start, uint32_t end,
+ uint32_t *b_offset)
{
struct drm_device *dev = chan->dev;
struct nouveau_gpuobj *nobj = NULL;
@@ -104,9 +105,10 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
uint32_t offset;
int target, ret;
- mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0);
+ mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0,
+ start, end, 0);
if (mem)
- mem = drm_mm_get_block(mem, size, 0);
+ mem = drm_mm_get_block_range(mem, size, 0, start, end);
if (!mem) {
NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
return -ENOMEM;
@@ -177,7 +179,8 @@ nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data,
if (IS_ERR(chan))
return PTR_ERR(chan);
- ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset);
+ ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000,
+ &na->offset);
nouveau_channel_put(&chan);
return ret;
}