Re: [PATCH] drm/i915/ttm: Fix memory leaks

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Op 15-06-2021 om 14:24 schreef Thomas Hellström:
> Fix two memory leaks introduced with the ttm backend.
>
> Fixes: 213d50927763 ("drm/i915/ttm: Introduce a TTM i915 gem object backend")
> Signed-off-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> index 08b72c280cb5..8059cb61bc3c 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
> @@ -122,6 +122,7 @@ static void i915_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
>  	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
>  
>  	ttm_tt_destroy_common(bdev, ttm);
> +	ttm_tt_fini(ttm);
>  	kfree(i915_tt);
>  }
>  
> @@ -217,6 +218,7 @@ static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo)
>  
>  	if (likely(obj)) {
>  		/* This releases all gem object bindings to the backend. */
> +		i915_ttm_free_cached_io_st(obj);
>  		__i915_gem_free_object(obj);
>  	}
>  }

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>




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