From: Ben Skeggs Date: Mon, 11 Aug 2014 23:27:54 +0000 (+1000) Subject: drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB X-Git-Tag: v4.9.8~5774^2^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=147ed897e807e1a6e2c6fd9dc91830f1d2831d43;p=platform%2Fkernel%2Flinux-rpi3.git drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c index 9e00a1e..b54b582 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);