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Commit d4547ed8 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvc0/vram: skip disabled PBFB subunits 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 2bfa7482

drivers/gpu/drm/nouveau/nvc0_vram.c

+9 −5
Original line number Diff line number Diff line
@@ -110,22 +110,26 @@ nvc0_vram_init(struct drm_device *dev) 
	u32 bsize = nv_rd32(dev, 0x10f20c);

	u32 offset, length;

	bool uniform = true;

	int ret, i;

	int ret, part;



	NV_DEBUG(dev, "0x100800: 0x%08x\n", nv_rd32(dev, 0x100800));

	NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize);



	/* read amount of vram attached to each memory controller */

	for (i = 0; i < parts; i++) {

		u32 psize = nv_rd32(dev, 0x11020c + (i * 0x1000));

	part = 0;

	while (parts) {

		u32 psize = nv_rd32(dev, 0x11020c + (part++ * 0x1000));

		if (psize == 0)

			continue;

		parts--;



		if (psize != bsize) {

			if (psize < bsize)

				bsize = psize;

			uniform = false;

		}



		NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", i, psize);



		NV_DEBUG(dev, "%d: mem_amount 0x%08x\n", part, psize);

		dev_priv->vram_size += (u64)psize << 20;

	}