diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index 55782bd7df0f..7eb841c8ddd9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -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++) { |