Commit a3a0ebd1 authored Dec 13, 2018 by Michel Dänzer Committed by Alex Deucher Dec 14, 2018

drm/amdgpu: WARN once if amdgpu_bo_unpin is called for an unpinned BO



It indicates a pin/unpin imbalance bug somewhere. While the bug isn't
necessarily in the call chain hitting this, it's at least one part
involved.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 344e7ad4

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -912,7 +912,7 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
		struct ttm_operation_ctx ctx = { false, false };
		int r, i;

		if (!bo->pin_count) {
		if (WARN_ON_ONCE(!bo->pin_count)) {
		dev_warn(adev->dev, "%p unpin not necessary\n", bo);
		return 0;
		}

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