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

commit 022906afdf90327bce33d52fb4fb41b6c7d618fb upstream.

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 <Simon.Richter@hogyros.de>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: stable@vger.kernel.org # v6.8+
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/20250802024152.3021-1-Simon.Richter@hogyros.de
(cherry picked from commit 0521a868222ffe636bf202b6e9d29292c1e19c62)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 99a91355842ec3323e4401a2a79bd4c644732b56..785d2917f6ed20b6c618b7db1982ffeacb2f2a2b 100644 (file)
--- a/drivers/gpu/drm/xe/Kconfig
+++ b/drivers/gpu/drm/xe/Kconfig
@@ -5,6 +5,7 @@ config DRM_XE
        depends on KUNIT || !KUNIT
        depends on INTEL_VSEC || !INTEL_VSEC
        depends on X86_PLATFORM_DEVICES || !(X86 && ACPI)
+       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