Mark xe driver as BROKEN if kernel page size is not 4kB

[ Upstream commit 022906a ]

This driver, for the time being, assumes that the kernel page size is 4kB,
so it fails on loong64 and aarch64 with 16kB pages, and ppc64el with 64kB
pages.

Signed-off-by: Simon Richter <[email protected]>
Reviewed-by: Thomas Hellström <[email protected]>
Fixes: dd08ebf ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: [email protected] # v6.8+
Signed-off-by: Thomas Hellström <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
(cherry picked from commit 0521a868222ffe636bf202b6e9d29292c1e19c62)
Signed-off-by: Rodrigo Vivi <[email protected]>
[ Adjust context ]
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: GyrosGeier

drivers/gpu/drm/xe/Kconfig

@@ -3,6 +3,7 @@ config DRM_XE
 	tristate "Intel Xe Graphics"
 	depends on DRM && PCI && MMU
 	depends on KUNIT || !KUNIT
+	depends on PAGE_SIZE_4KB || COMPILE_TEST || BROKEN
 	select INTERVAL_TREE
 	# we need shmfs for the swappable backing store, and in particular
 	# the shmem_readpage() which depends upon tmpfs