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drm/xen-front: Use Xen common shared buffer implementation

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Use page directory based shared buffer implementation
now available as common code for Xen frontend drivers.

Remove flushing of shared buffer on page flip as this
workaround needs a proper fix.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Oleksandr Andrushchenko
2018-11-30 09:42:04 +02:00
committed by Boris Ostrovsky
parent b3383974fe
commit 5641f19bdf
6 changed files with 26 additions and 520 deletions
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drivers/gpu/drm/xen/Kconfig
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@@ -12,6 +12,7 @@ config DRM_XEN_FRONTEND
select DRM_KMS_HELPER
select VIDEOMODE_HELPERS
select XEN_XENBUS_FRONTEND
select XEN_FRONT_PGDIR_SHBUF
help
Choose this option if you want to enable a para-virtualized
frontend DRM/KMS driver for Xen guest OSes.