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 (file)
--- 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;
 }