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drm/vram-helper: Don't put new BOs into VRAM

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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@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200922145700.25413-4-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2020-09-22 16:57:00 +02:00
parent 4d92d7d76d
commit 8bde6c0d4e
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/drm_gem_vram_helper.c
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@ -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