On 6/8/21 9:50 AM, Christian König wrote:
We need to make sure to allocate the sys_mem resource before the point
of no return.
Signed-off-by: Christian König <[email protected]>
---
drivers/gpu/drm/ttm/ttm_bo_util.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c
b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 9be6a10a5873..eccf2ad8f335 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -582,6 +582,7 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo)
{
static const struct ttm_place sys_mem = { .mem_type = TTM_PL_SYSTEM };
struct ttm_buffer_object *ghost;
+ struct ttm_resource *sys_res;
struct ttm_tt *ttm;
int ret;
@@ -602,6 +603,9 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo)
return ttm_resource_alloc(bo, &sys_mem, &bo->resource);
}
+
+ ret = ttm_resource_alloc(bo, &sys_mem, &sys_res);
This needs to be moved higher up to also cover the idle optimization path.
Also the return value doesn't seem to be checked?
/Thomas
