[PATCH 06/10] drm/ttm: drop wait for idle in ttm_bo_move_buffer

Christian König deathsimple at vodafone.de
Mon Jun 6 08:17:55 UTC 2016


From: Christian König <christian.koenig at amd.com>

That is unnecessary now.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 041fb3b..cc94df0 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -996,20 +996,6 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
 
 	lockdep_assert_held(&bo->resv->lock.base);
 
-	/*
-	 * Don't wait for the BO on initial allocation. This is important when
-	 * the BO has an imported reservation object.
-	 */
-	if (bo->mem.mem_type != TTM_PL_SYSTEM || bo->ttm != NULL) {
-		/*
-		 * FIXME: It's possible to pipeline buffer moves.
-		 * Have the driver move function wait for idle when necessary,
-		 * instead of doing it here.
-		 */
-		ret = ttm_bo_wait(bo, interruptible, no_wait_gpu);
-		if (ret)
-			return ret;
-	}
 	mem.num_pages = bo->num_pages;
 	mem.size = mem.num_pages << PAGE_SHIFT;
 	mem.page_alignment = bo->mem.page_alignment;
-- 
2.5.0



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