From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 4 Mar 2014 05:45:35 +0000 (+1000)
Subject: drm/nv50/bar: fix plymouth issues on certain efi macbooks
X-Git-Tag: v5.15~17882^2~1^2~26
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=085969e6fb219b472b8cc8b0d84183a6184452e8;p=platform%2Fkernel%2Flinux-starfive.git

drm/nv50/bar: fix plymouth issues on certain efi macbooks

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
index baa2b62..f748ba4 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c
@@ -231,7 +231,7 @@ static int
 nv50_bar_init(struct nouveau_object *object)
 {
 	struct nv50_bar_priv *priv = (void *)object;
-	int ret;
+	int ret, i;
 
 	ret = nouveau_bar_init(&priv->base);
 	if (ret)
@@ -249,6 +249,8 @@ nv50_bar_init(struct nouveau_object *object)
 	nv_wr32(priv, 0x001704, 0x40000000 | priv->mem->addr >> 12);
 	nv_wr32(priv, 0x001708, 0x80000000 | priv->bar1->node->offset >> 4);
 	nv_wr32(priv, 0x00170c, 0x80000000 | priv->bar3->node->offset >> 4);
+	for (i = 0; i < 8; i++)
+		nv_wr32(priv, 0x001900 + (i * 4), 0x00000000);
 	return 0;
 }