drm/nv50: flesh out ZCULL init and match nvidia on later chipsets
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 289c0dd..e1267a1 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -95,13 +95,41 @@
}
static void
-nv50_graph_init_regs(struct drm_device *dev)
+nv50_graph_init_zcull(struct drm_device *dev)
{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ int i;
+
NV_DEBUG(dev, "\n");
- nv_wr32(dev, NV04_PGRAPH_DEBUG_3,
- (1 << 2) /* HW_CONTEXT_SWITCH_ENABLED */);
- nv_wr32(dev, 0x402ca8, 0x800);
+ switch (dev_priv->chipset & 0xf0) {
+ case 0x50:
+ case 0x80:
+ case 0x90:
+ nv_wr32(dev, 0x402ca8, 0x00000800);
+ break;
+ case 0xa0:
+ default:
+ nv_wr32(dev, 0x402cc0, 0x00000000);
+ if (dev_priv->chipset == 0xa0 ||
+ dev_priv->chipset == 0xaa ||
+ dev_priv->chipset == 0xac) {
+ nv_wr32(dev, 0x402ca8, 0x00000802);
+ } else {
+ nv_wr32(dev, 0x402cc0, 0x00000000);
+ nv_wr32(dev, 0x402ca8, 0x00000002);
+ }
+
+ break;
+ }
+
+ /* zero out zcull regions */
+ for (i = 0; i < 8; i++) {
+ nv_wr32(dev, 0x402c20 + (i * 8), 0x00000000);
+ nv_wr32(dev, 0x402c24 + (i * 8), 0x00000000);
+ nv_wr32(dev, 0x402c28 + (i * 8), 0x00000000);
+ nv_wr32(dev, 0x402c2c + (i * 8), 0x00000000);
+ }
}
static int
@@ -136,6 +164,7 @@
}
kfree(cp);
+ nv_wr32(dev, 0x40008c, 0x00000004); /* HW_CTX_SWITCH_ENABLED */
nv_wr32(dev, 0x400320, 4);
nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0);
nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, 0);
@@ -151,7 +180,7 @@
nv50_graph_init_reset(dev);
nv50_graph_init_regs__nv(dev);
- nv50_graph_init_regs(dev);
+ nv50_graph_init_zcull(dev);
ret = nv50_graph_init_ctxctl(dev);
if (ret)