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authorDave Airlie <airlied@redhat.com>2020-09-15 04:16:53 +0300
committerDave Airlie <airlied@redhat.com>2020-09-16 02:34:54 +0300
commit2040ec970e94dde0b94e200ae9bb8f21a61c928f (patch)
treeee69d70cc3bf124bf28ddc5276fe632c042e1ed8 /drivers/gpu/drm/ttm/ttm_tt.c
parent395a73f8ba6f00f0e188ac6daa43659520d75498 (diff)
downloadlinux-2040ec970e94dde0b94e200ae9bb8f21a61c928f.tar.xz
drm/ttm: split populate out from binding.
Drivers have to call populate themselves now before binding. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200915024007.67163-5-airlied@gmail.com
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 381face3cedb..93d65e5e4205 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -312,8 +312,7 @@ void ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
}
int ttm_tt_bind(struct ttm_bo_device *bdev,
- struct ttm_tt *ttm, struct ttm_resource *bo_mem,
- struct ttm_operation_ctx *ctx)
+ struct ttm_tt *ttm, struct ttm_resource *bo_mem)
{
int ret = 0;
@@ -323,10 +322,6 @@ int ttm_tt_bind(struct ttm_bo_device *bdev,
if (ttm_tt_is_bound(ttm))
return 0;
- ret = ttm_tt_populate(bdev, ttm, ctx);
- if (ret)
- return ret;
-
ret = bdev->driver->ttm_tt_bind(bdev, ttm, bo_mem);
if (unlikely(ret != 0))
return ret;
@@ -455,6 +450,9 @@ int ttm_tt_populate(struct ttm_bo_device *bdev,
{
int ret;
+ if (!ttm)
+ return -EINVAL;
+
if (ttm_tt_is_populated(ttm))
return 0;
@@ -466,6 +464,7 @@ int ttm_tt_populate(struct ttm_bo_device *bdev,
ttm_tt_add_mapping(bdev, ttm);
return ret;
}
+EXPORT_SYMBOL(ttm_tt_populate);
static void ttm_tt_clear_mapping(struct ttm_tt *ttm)
{