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drm/nouveau/dp: use alternate lane mask for nvaf 

Naturally...  Because Macs can't just be the same as everything else
now can they?

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-08-05 11:09:21 +10:00
parent 856ed88875
commit 1b45dbe0bc
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/nouveau/nouveau_dp.c
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@ -342,16 +342,25 @@ dp_set_training_pattern(struct drm_device *dev, struct dp_state *dp, u8 tp)
auxch_tx(dev, dp->auxch, 8, DP_TRAINING_PATTERN_SET, &tp, 1);
}
static const u8 nv50_lane_map[] = { 16, 8, 0, 24 };
static const u8 nvaf_lane_map[] = { 24, 16, 8, 0 };
static int
dp_link_train_commit(struct drm_device *dev, struct dp_state *dp)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
u32 mask = 0, drv = 0, pre = 0, unk = 0;
u8 shifts[4] = { 16, 8, 0, 24 };
u8 *bios, *last, headerlen;
const u8 *shifts;
int link = dp->link;
int or = dp->or;
int i;
if (dev_priv->chipset != 0xaf)
shifts = nv50_lane_map;
else
shifts = nvaf_lane_map;
bios = nouveau_bios_dp_table(dev, dp->dcb, &headerlen);
last = bios + headerlen + (bios[4] * 5);
for (i = 0; i < dp->link_nr; i++) {