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

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>

diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 2bb2bc052120d867107dceecd892e6252c92db33..714d5702dfd78d9f5154444730b73102599d2799 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