On 28/10/2022 14:55, Ruhl, Michael J wrote:
-Original Message-
From: Intel-gfx On Behalf Of
Matthew Auld
Sent: Thursday, October 27, 2022 11:27 AM
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 1/2] drm/i915/dmabuf: fix sg_table handling in
map_dma_buf
We need to
>-Original Message-
>From: Intel-gfx On Behalf Of
>Matthew Auld
>Sent: Thursday, October 27, 2022 11:27 AM
>To: intel-gfx@lists.freedesktop.org
>Subject: [Intel-gfx] [PATCH 1/2] drm/i915/dmabuf: fix sg_table handling in
>map_dma_buf
>
>We need to iterate over th
We need to iterate over the original entries here for the sg_table,
pulling out the struct page for each one, to be remapped. However
currently this incorrectly iterates over the final dma mapped entries,
which is likely just one gigantic sg entry if the iommu is enabled,
leading to us only mapping
