From 2295e17a4a0c339ca8507deb2cab5f339007e5e5 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Tue, 6 Apr 2010 21:11:58 +0200 Subject: [PATCH] drm/nv40: Init some tiling-related PGRAPH state. Fixes garbled 3D on an nv46 card. Reported-by: Francesco Marella Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv40_graph.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c index 53e8afe1dcd1..0616c96e4b67 100644 --- a/drivers/gpu/drm/nouveau/nv40_graph.c +++ b/drivers/gpu/drm/nouveau/nv40_graph.c @@ -335,6 +335,27 @@ nv40_graph_init(struct drm_device *dev) 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); -- GitLab