Series is:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
On Thu, Jan 20, 2022 at 4:03 AM Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
>
> Add the proper drm_dev_enter()/drm_dev_exit() calls here.
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> index 8756f505c87d..eb31ba3da403 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> @@ -36,6 +36,7 @@
> #include "amdgpu_gem.h"
> #include "amdgpu_dma_buf.h"
> #include "amdgpu_xgmi.h"
> +#include <drm/drm_drv.h>
> #include <drm/amdgpu_drm.h>
> #include <linux/dma-buf.h>
> #include <linux/dma-fence-array.h>
> @@ -447,14 +448,18 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)
> struct ttm_operation_ctx ctx = { false, false };
> struct ttm_placement placement = {};
> struct amdgpu_vm_bo_base *bo_base;
> - int r;
> + int idx, r;
>
> if (bo->tbo.resource->mem_type == TTM_PL_SYSTEM)
> return;
>
> + if (!drm_dev_enter(adev_to_drm(adev), &idx))
> + return;
> +
> r = ttm_bo_validate(&bo->tbo, &placement, &ctx);
> if (r) {
> DRM_ERROR("Failed to invalidate DMA-buf import (%d))\n", r);
> + drm_dev_exit(idx);
> return;
> }
>
> @@ -490,6 +495,7 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)
>
> dma_resv_unlock(resv);
> }
> + drm_dev_exit(idx);
> }
>
> static const struct dma_buf_attach_ops amdgpu_dma_buf_attach_ops = {
> --
> 2.25.1
>
