drm/nv40: Init some tiling-related PGRAPH state.
Fixes garbled 3D on an nv46 card.
Reported-by: Francesco Marella <francesco.marella@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c
index 53e8afe..0616c96 100644
--- a/drivers/gpu/drm/nouveau/nv40_graph.c
+++ b/drivers/gpu/drm/nouveau/nv40_graph.c
@@ -335,6 +335,27 @@
nv_wr32(dev, 0x400b38, 0x2ffff800);
nv_wr32(dev, 0x400b3c, 0x00006000);
+ /* Tiling related stuff. */
+ switch (dev_priv->chipset) {
+ case 0x44:
+ case 0x4a:
+ nv_wr32(dev, 0x400bc4, 0x1003d888);
+ nv_wr32(dev, 0x400bbc, 0xb7a7b500);
+ break;
+ case 0x46:
+ nv_wr32(dev, 0x400bc4, 0x0000e024);
+ nv_wr32(dev, 0x400bbc, 0xb7a7b520);
+ break;
+ case 0x4c:
+ case 0x4e:
+ case 0x67:
+ nv_wr32(dev, 0x400bc4, 0x1003d888);
+ nv_wr32(dev, 0x400bbc, 0xb7a7b540);
+ break;
+ default:
+ break;
+ }
+
/* Turn all the tiling regions off. */
for (i = 0; i < pfb->num_tiles; i++)
nv40_graph_set_region_tiling(dev, i, 0, 0, 0);
