Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:685: warning: Function parameter or 
member 'backoff' not described in 'amdgpu_cs_parser_fini'
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1655: warning: Function parameter or 
member 'map' not described in 'amdgpu_cs_find_mapping'

Cc: Alex Deucher <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Jerome Glisse <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Lee Jones <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 8d2878e950dab..594a0108e90fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -676,6 +676,7 @@ static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
  * cs_parser_fini() - clean parser states
  * @parser:    parser structure holding parsing context.
  * @error:     error number
+ * @backoff:   indicator to backoff the reservation
  *
  * If error is set than unvalidate buffer, otherwise just free memory
  * used by parsing context.
@@ -1644,6 +1645,7 @@ int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, 
void *data,
  * @parser: command submission parser context
  * @addr: VM address
  * @bo: resulting BO of the mapping found
+ * @map: Placeholder to return found BO mapping
  *
  * Search the buffer objects in the command submission context for a certain
  * virtual memory address. Returns allocation structure when found, NULL
-- 
2.25.1

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