Re: [PATCH] drm/amd/amdgpu: Fix csb.bo pin_count leak on gfx 9

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Am 04.11.21 um 10:40 schrieb YuBiao Wang:
[Why]
csb bo is not unpinned in gfx 9. It will lead to pin_count leak on
driver unload.

[How]
Call bo_free_kernel corresponding to bo_create_kernel in
gfx_rlc_init_csb. This will also unify the code path with other gfx
versions.

Signed-off-by: YuBiao Wang <YuBiao.Wang@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 7f944bb11298..be803ebd543c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2462,7 +2462,9 @@ static int gfx_v9_0_sw_fini(void *handle)
  	amdgpu_gfx_kiq_fini(adev);
gfx_v9_0_mec_fini(adev);
-	amdgpu_bo_unref(&adev->gfx.rlc.clear_state_obj);
+	amdgpu_bo_free_kernel(&adev->gfx.rlc.clear_state_obj,
+				&adev->gfx.rlc.clear_state_gpu_addr,
+				(void **)&adev->gfx.rlc.cs_ptr);
  	if (adev->flags & AMD_IS_APU) {
  		amdgpu_bo_free_kernel(&adev->gfx.rlc.cp_table_obj,
  				&adev->gfx.rlc.cp_table_gpu_addr,




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