drm/xe: Add for_each_tile iterator

As we start splitting tile handling out from GT handling, we'll need to
be able to iterate over tiles separately from GTs.  This iterator will
be used in upcoming patches.

v2:
 - s/(id__++)/(id__)++/  (Gustavo)

Cc: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/20230601215244.678611-6-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
index f7acaf51a1fc74a7a29f6b4c859e717f3c9fe54f..3516ac1dcbc46744428cbd525e93e0c4f3edba83 100644 (file)
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -83,6 +83,10 @@ static inline void xe_device_guc_submission_disable(struct xe_device *xe)
        xe->info.enable_guc = false;
 }
 
+#define for_each_tile(tile__, xe__, id__) \
+       for ((id__) = 0; (id__) < (xe__)->info.tile_count; (id__)++) \
+               for_each_if ((tile__) = &(xe__)->tiles[(id__)])
+
 #define for_each_gt(gt__, xe__, id__) \
        for ((id__) = 0; (id__) < (xe__)->info.tile_count; (id__++)) \
                for_each_if ((gt__) = xe_device_get_gt((xe__), (id__)))

diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index f0db422def9d2404d677a9aad75c93e27294f183..e8931661c0041dea59bcc33fd3686b5597e66cf8 100644 (file)
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -537,8 +537,7 @@ static int xe_info_init(struct xe_device *xe,
         */
        xe->info.tile_count = 1 + graphics_desc->max_remote_tiles;
 
-       for (id = 0; id < xe->info.tile_count; ++id) {
-               tile = &xe->tiles[id];
+       for_each_tile(tile, xe, id) {
                tile->xe = xe;
                tile->id = id;