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path: root/drivers/gpu/drm/nouveau/nv50_vram.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_vram.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_vram.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_vram.c b/drivers/gpu/drm/nouveau/nv50_vram.c
index 6e753356cd94..47489ed0a5a8 100644
--- a/drivers/gpu/drm/nouveau/nv50_vram.c
+++ b/drivers/gpu/drm/nouveau/nv50_vram.c
@@ -37,6 +37,16 @@ static int types[0x80] = {
1, 0, 2, 0, 1, 0, 2, 0, 1, 1, 2, 2, 1, 1, 0, 0
};
+bool
+nv50_vram_flags_valid(struct drm_device *dev, u32 tile_flags)
+{
+ int type = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8;
+
+ if (likely(type < sizeof(types) && types[type]))
+ return true;
+ return false;
+}
+
void
nv50_vram_del(struct drm_device *dev, struct nouveau_vram **pvram)
{
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