Re: [PATCH 44/59] drm/ttm: allow drivers to provide their own manager subclasses

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Am 04.08.20 um 04:56 schrieb Dave Airlie:
From: Dave Airlie <airlied@xxxxxxxxxx>

This will get removed eventually and all drivers will use this.

Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  include/drm/ttm/ttm_bo_driver.h | 11 ++++++++++-
  1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 03b253d14e6a..6940d85a531a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -419,7 +419,7 @@ struct ttm_bo_device {
  	 * access via ttm_manager_type.
  	 */
  	struct ttm_mem_type_manager man_priv[TTM_NUM_MEM_TYPES];
-
+	struct ttm_mem_type_manager *man_drv[TTM_NUM_MEM_TYPES];
  	/*
  	 * Protected by internal locks.
  	 */
@@ -450,9 +450,18 @@ struct ttm_bo_device {
  static inline struct ttm_mem_type_manager *ttm_manager_type(struct ttm_bo_device *bdev,
  							    int mem_type)
  {
+	if (bdev->man_drv[mem_type])
+		return bdev->man_drv[mem_type];
  	return &bdev->man_priv[mem_type];
  }
+static inline void ttm_set_driver_manager(struct ttm_bo_device *bdev,
+					  int type,
+					  struct ttm_mem_type_manager *manager)
+{
+	bdev->man_drv[type] = manager;
+}
+
  /**
   * struct ttm_lru_bulk_move_pos
   *

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