[PATCH v3 1/2] drm/xe/query: Define and use a constant for the number of masks

[Francois Dugast <francois.dugast@intel.com>]

Replace a magic value by a constant with an explicit name to make clear
what it stands for: the number of masks returned by the topology query.

Suggested-by: Zhanjun Dong <zhanjun.dong@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
---
 drivers/gpu/drm/xe/xe_query.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index e80321b34918..fa8de1a77b1e 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -23,6 +23,8 @@
 #include "xe_mmio.h"
 #include "xe_ttm_vram_mgr.h"
 
+#define TOPO_NUMBER_OF_MASKS   (3)
+
 static const u16 xe_to_user_engine_class[] = {
 	[XE_ENGINE_CLASS_RENDER] = DRM_XE_ENGINE_CLASS_RENDER,
 	[XE_ENGINE_CLASS_COPY] = DRM_XE_ENGINE_CLASS_COPY,
@@ -453,7 +455,8 @@ static int query_hwconfig(struct xe_device *xe,
 static size_t calc_topo_query_size(struct xe_device *xe)
 {
 	return xe->info.gt_count *
-		(3 * sizeof(struct drm_xe_query_topology_mask) +
+		(TOPO_NUMBER_OF_MASKS
+		 * sizeof(struct drm_xe_query_topology_mask) +
 		 sizeof_field(struct xe_gt, fuse_topo.g_dss_mask) +
 		 sizeof_field(struct xe_gt, fuse_topo.c_dss_mask) +
 		 sizeof_field(struct xe_gt, fuse_topo.eu_mask_per_dss));
-- 
2.34.1