Re: [PATCH 1/4] drm/vram-helper: cleanup drm_gem_vram_bo_driver_move_notify

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Hi

Am 11.02.21 um 14:16 schrieb Christian König:
Swapping bo->mem was completely unecessary. Cleanup the function which
is just a leftover from a TTM cleanup.

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

Appears to work.

Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Tested-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

---
  drivers/gpu/drm/drm_gem_vram_helper.c | 18 ++++--------------
  1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index a0992f0b8afd..0c2233ee6029 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -564,9 +564,7 @@ static void drm_gem_vram_bo_driver_evict_flags(struct drm_gem_vram_object *gbo,
  	*pl = gbo->placement;
  }
-static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo,
-					       bool evict,
-					       struct ttm_resource *new_mem)
+static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo)
  {
  	struct ttm_buffer_object *bo = &gbo->bo;
  	struct drm_device *dev = bo->base.dev;
@@ -582,16 +580,8 @@ static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
  				       struct ttm_operation_ctx *ctx,
  				       struct ttm_resource *new_mem)
  {
-	int ret;
-
-	drm_gem_vram_bo_driver_move_notify(gbo, evict, new_mem);
-	ret = ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
-	if (ret) {
-		swap(*new_mem, gbo->bo.mem);
-		drm_gem_vram_bo_driver_move_notify(gbo, false, new_mem);
-		swap(*new_mem, gbo->bo.mem);
-	}
-	return ret;
+	drm_gem_vram_bo_driver_move_notify(gbo);
+	return ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
  }
/*
@@ -947,7 +937,7 @@ static void bo_driver_delete_mem_notify(struct ttm_buffer_object *bo)
gbo = drm_gem_vram_of_bo(bo); - drm_gem_vram_bo_driver_move_notify(gbo, false, NULL);
+	drm_gem_vram_bo_driver_move_notify(gbo);
  }
static int bo_driver_move(struct ttm_buffer_object *bo,


--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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