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Commit 2295e17a authored by Francisco Jerez's avatar Francisco Jerez Committed by Ben Skeggs
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drm/nv40: Init some tiling-related PGRAPH state. 



Fixes garbled 3D on an nv46 card.

Reported-by: default avatarFrancesco Marella <francesco.marella@gmail.com>
Signed-off-by: default avatarFrancisco Jerez <currojerez@riseup.net>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent eaeefba1

drivers/gpu/drm/nouveau/nv40_graph.c

+21 −0
Original line number Diff line number Diff line
@@ -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);