From 147ed897e807e1a6e2c6fd9dc91830f1d2831d43 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 12 Aug 2014 09:27:54 +1000 Subject: [PATCH] drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c index 9e00a1ede120..b54b582e72c4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c +++ b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c @@ -156,7 +156,7 @@ gf100_ltc_init_tag_ram(struct nouveau_fb *pfb, struct nvkm_ltc_priv *priv) if (ret) { priv->num_tags = 0; } else { - u64 tag_base = (priv->tag_ram->offset << 12) + tag_margin; + u64 tag_base = ((u64)priv->tag_ram->offset << 12) + tag_margin; tag_base += tag_align - 1; ret = do_div(tag_base, tag_align); -- 2.30.2