Use FIELD_PREP()/FIELD_GET() to encode the tile id into flags. Besides
protecting for eventual overflow it also makes it easier to see a new
flag can't be added as BIT(7).
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20230718193924.3084759-2-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
#define XE_VM_FLAG_SCRATCH_PAGE BIT(4)
#define XE_VM_FLAG_FAULT_MODE BIT(5)
#define XE_VM_FLAG_BANNED BIT(6)
-#define XE_VM_FLAG_TILE_ID(flags) (((flags) >> 7) & 0x3)
-#define XE_VM_FLAG_SET_TILE_ID(tile) ((tile)->id << 7)
+#define XE_VM_FLAG_TILE_ID(flags) FIELD_GET(GENMASK(8, 7), flags)
+#define XE_VM_FLAG_SET_TILE_ID(tile) FIELD_PREP(GENMASK(8, 7), (tile)->id)
unsigned long flags;
/** @composite_fence_ctx: context composite fence */