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authorDave Airlie <airlied@gmail.com>2013-01-22 07:56:04 +0400
committerDave Airlie <airlied@redhat.com>2013-04-12 07:50:46 +0400
commitafe6804c045fbd69a1b75c681107b5d6df9190de (patch)
treed102a41ad9bd8ace8edd9b6c2b380fca3d707499
parent97d103311aab2c652ef37bc3cd157e701057e535 (diff)
downloadlinux-afe6804c045fbd69a1b75c681107b5d6df9190de.tar.xz
ttm: export functions to allow qxl do its own iomapping
qxl wants to use io mapping like i915 gem does, for now just export the symbols so the driver can implement atomic page maps using io mapping. Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c13
-rw-r--r--include/drm/ttm/ttm_bo_driver.h4
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 8be35c809c7b..af894584dd90 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -86,6 +86,7 @@ int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible)
mutex_lock(&man->io_reserve_mutex);
return 0;
}
+EXPORT_SYMBOL(ttm_mem_io_lock);
void ttm_mem_io_unlock(struct ttm_mem_type_manager *man)
{
@@ -94,6 +95,7 @@ void ttm_mem_io_unlock(struct ttm_mem_type_manager *man)
mutex_unlock(&man->io_reserve_mutex);
}
+EXPORT_SYMBOL(ttm_mem_io_unlock);
static int ttm_mem_io_evict(struct ttm_mem_type_manager *man)
{
@@ -111,8 +113,9 @@ static int ttm_mem_io_evict(struct ttm_mem_type_manager *man)
return 0;
}
-static int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem)
+
+int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
int ret = 0;
@@ -134,9 +137,10 @@ retry:
}
return ret;
}
+EXPORT_SYMBOL(ttm_mem_io_reserve);
-static void ttm_mem_io_free(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem)
+void ttm_mem_io_free(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
@@ -149,6 +153,7 @@ static void ttm_mem_io_free(struct ttm_bo_device *bdev,
bdev->driver->io_mem_free(bdev, mem);
}
+EXPORT_SYMBOL(ttm_mem_io_free);
int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo)
{
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 0fbd046e7c93..9c8dca79808e 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -902,6 +902,10 @@ extern void ttm_bo_unreserve_locked(struct ttm_buffer_object *bo);
* ttm_bo_util.c
*/
+int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem);
+void ttm_mem_io_free(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem);
/**
* ttm_bo_move_ttm
*