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| author | Ben Skeggs <bskeggs@redhat.com> | 2011-06-24 02:18:23 +0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-06-27 03:20:04 +0400 |
| commit | 9617757fb3dc6274b42afd2dcaa4fbc3ef6db98b (patch) | |
| tree | f85025a4132a80b89faf5d431b3ae25890da25f2 /drivers | |
| parent | 9a11dd65875f9e2401ded5d9a777574eacab814c (diff) | |
| download | linux-9617757fb3dc6274b42afd2dcaa4fbc3ef6db98b.tar.xz | |
drm/nouveau: fix fetching vbios from above 4GiB vram addresses
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index ff339df6f007..1aa73d3957e1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -135,13 +135,14 @@ static void load_vbios_pramin(struct drm_device *dev, uint8_t *data) int i; if (dev_priv->card_type >= NV_50) { - uint32_t vbios_vram = (nv_rd32(dev, 0x619f04) & ~0xff) << 8; - - if (!vbios_vram) - vbios_vram = (nv_rd32(dev, 0x1700) << 16) + 0xf0000; + u64 addr = (u64)(nv_rd32(dev, 0x619f04) & 0xffffff00) << 8; + if (!addr) { + addr = (u64)nv_rd32(dev, 0x1700) << 16; + addr += 0xf0000; + } old_bar0_pramin = nv_rd32(dev, 0x1700); - nv_wr32(dev, 0x1700, vbios_vram >> 16); + nv_wr32(dev, 0x1700, addr >> 16); } /* bail if no rom signature */ |