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Commit 4d3988b0 authored by Krishna Manikandan's avatar Krishna Manikandan Committed by Gerrit - the friendly Code Review server
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drm/msm: avoid unmapping the buffer twice during msm_release 



The dma buffer associated with the gem object is already
unmapped during put_iova. Avoid unmapping it again in
put_pages.

Change-Id: Iac57e164dde6f3e5913070acbe74b42691049913
Signed-off-by: default avatarKrishna Manikandan <mkrishn@codeaurora.org>
parent 53c718f6

drivers/gpu/drm/msm/msm_gem.c

+0 −9
Original line number Diff line number Diff line
@@ -128,15 +128,6 @@ static void put_pages(struct drm_gem_object *obj) 


	if (msm_obj->pages) {

		if (msm_obj->sgt) {

			/* For non-cached buffers, ensure the new

			 * pages are clean because display controller,

			 * GPU, etc. are not coherent:

			 */

			if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED))

				dma_unmap_sg(obj->dev->dev, msm_obj->sgt->sgl,

					     msm_obj->sgt->nents,

					     DMA_BIDIRECTIONAL);



			sg_free_table(msm_obj->sgt);

			kfree(msm_obj->sgt);

		}