[PATCH 3/3] drm/vram-helper: Don't put new BOs into VRAM

Thomas Zimmermann tzimmermann at suse.de
Tue Sep 22 14:57:00 UTC 2020


Most drivers that use VRAM helpers have only a few MiB of framebuffer
memory available. To reduce fragmentation, new BOs are now put into
system memory by default. Only pin operations are allowed to move BOs
into VRAM.

v2:
	* rebased onto latest drm-tip

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 11315b9e8c03..9d85790e0c07 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -222,8 +222,7 @@ struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
 	acc_size = ttm_bo_dma_acc_size(bdev, size, sizeof(*gbo));
 
 	gbo->bo.bdev = bdev;
-	drm_gem_vram_placement(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM |
-			       DRM_GEM_VRAM_PL_FLAG_SYSTEM);
+	drm_gem_vram_placement(gbo, DRM_GEM_VRAM_PL_FLAG_SYSTEM);
 
 	/*
 	 * A failing ttm_bo_init will call ttm_buffer_object_destroy
-- 
2.28.0



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