Until we support p2p dma or as a complement to that, migrate data
to system memory at dma-buf map time if possible.
Signed-off-by: Thomas Hellström <thomas.hellst...@linux.intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
index 616c3a2f1baf..a52f885bc09a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
@@ -25,7 +25,14 @@ static struct sg_table *i915_gem_map_dma_buf(struct
dma_buf_attachment *attachme
struct scatterlist *src, *dst;
int ret, i;
- ret = i915_gem_object_pin_pages_unlocked(obj);
+ ret = i915_gem_object_lock_interruptible(obj, NULL);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ret = i915_gem_object_migrate(obj, NULL, INTEL_REGION_SMEM);
+ if (!ret)
+ ret = i915_gem_object_pin_pages(obj);
+ i915_gem_object_unlock(obj);
if (ret)
goto err;
--
2.31.1
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