FROMLIST: drm/xe/query: use PAGE_SIZE as the minimum page alignment

As this component hooks into userspace API, it should be assumed that it
will play well with non-4K/64K pages.

Use `PAGE_SIZE' as the final reference for page alignment instead.

Cc: stable@vger.kernel.org
Fixes: dd08ebf ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Fixes: 801989b ("drm/xe/uapi: Make constant comments visible in kernel doc")
Tested-by: Mingcong Bai <jeffbai@aosc.io>
Tested-by: Haien Liang <27873200@qq.com>
Tested-by: Shirong Liu <lsr1024@qq.com>
Tested-by: Haofeng Wu <s2600cw2@126.com>
Link: FanFansfan@22c55ab
Co-developed-by: Shang Yatsen <429839446@qq.com>
Signed-off-by: Shang Yatsen <429839446@qq.com>
Signed-off-by: Mingcong Bai <jeffbai@aosc.io>

Link: https://lore.kernel.org/all/20250613-upstream-xe-non-4k-v2-v2-1-934f82249f8a@aosc.io/
Signed-off-by: Mingcong Bai <jeffbai@aosc.io>

Author: MingcongBai

drivers/gpu/drm/xe/xe_query.c

@@ -344,7 +344,7 @@ static int query_config(struct xe_device *xe, struct drm_xe_device_query *query)
 	config->info[DRM_XE_QUERY_CONFIG_FLAGS] |=
 			DRM_XE_QUERY_CONFIG_FLAG_HAS_LOW_LATENCY;
 	config->info[DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT] =
-		xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K ? SZ_64K : SZ_4K;
+		xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K ? SZ_64K : PAGE_SIZE;
 	config->info[DRM_XE_QUERY_CONFIG_VA_BITS] = xe->info.va_bits;
 	config->info[DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY] =
 		xe_exec_queue_device_get_max_priority(xe);

include/uapi/drm/xe_drm.h

@@ -413,7 +413,7 @@ struct drm_xe_query_mem_regions {
  *      device supports the userspace hint %DRM_XE_GEM_CREATE_FLAG_NO_COMPRESSION.
  *      This is exposed only on Xe2+.
  *  - %DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT - Minimal memory alignment
- *    required by this device, typically SZ_4K or SZ_64K
+ *    required by this device, typically PAGE_SIZE.
  *  - %DRM_XE_QUERY_CONFIG_VA_BITS - Maximum bits of a virtual address
  *  - %DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY - Value of the highest
  *    available exec queue priority