linux-next: manual merge of the drm tree with the drm-fixes tree

Stephen Rothwell
2019-08-23T03:20:15Z

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Hi all,

Today's linux-next merge of the drm tree got a conflict in:

drivers/gpu/drm/mediatek/mtk_drm_drv.c

between commit:

4c6f3196e6ea ("drm/mediatek: use correct device to import PRIME buffers")

from the drm-fixes tree and commit:

3baeeb21983a ("drm/mtk: Drop drm_gem_prime_export/import")

from the drm tree.

I fixed it up (I think - see below) and can carry the fix as necessary.
This is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging. You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

--
Cheers,
Stephen Rothwell

diff --cc drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 7f5408cb2377,2ee809a6f3dc..000000000000
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@@ -351,21 -314,8 +345,20 @@@ static const struct file_operations mtk
.compat_ioctl = drm_compat_ioctl,
};

+/*
+ * We need to override this because the device used to import the memory is
+ * not dev->dev, as drm_gem_prime_import() expects.
+ */
+struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev,
+ struct dma_buf *dma_buf)
+{
+ struct mtk_drm_private *private = dev->dev_private;
+
+ return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);
+}
+
static struct drm_driver mtk_drm_driver = {
- .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME |
- DRIVER_ATOMIC,
+ .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,

.gem_free_object_unlocked = mtk_drm_gem_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
@@@ -373,8 -323,6 +366,7 @@@

.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_export = drm_gem_prime_export,
+ .gem_prime_import = mtk_drm_gem_prime_import,
.gem_prime_get_sg_table = mtk_gem_prime_get_sg_table,
.gem_prime_import_sg_table = mtk_gem_prime_import_sg_table,
.gem_prime_mmap = mtk_drm_gem_mmap_buf,

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