drm/nouveau/disp/dp: fix some tx_pu mishandling

We only need to mask 0x0f on GM2xx, and want to keep the higher bits on
earlier cards.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2015-08-21 12:50:07 +10:00
commit fe0f5d0880
4 changed files with 7 additions and 6 deletions