Commit 5b34406f authored Nov 11, 2019 by Christian König

drm/ttm: refine ghost BO resv criteria



Ghost BOs need to stick with the resv object only when the origin is imported.

This is a low hanging fruit to avoid OOM situations on evictions.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: xinhui pan <xinhui.pan@amd.com>
Link: https://patchwork.freedesktop.org/patch/352740/

parent 23575e7a

drivers/gpu/drm/ttm/ttm_bo_util.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -511,7 +511,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
		kref_init(&fbo->base.kref);
		fbo->base.destroy = &ttm_transfered_destroy;
		fbo->base.acc_size = 0;
		if (bo->base.resv == &bo->base._resv)
		if (bo->type != ttm_bo_type_sg)
		fbo->base.base.resv = &fbo->base.base._resv;

		dma_resv_init(&fbo->base.base._resv);

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