diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2015-08-21 12:50:07 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 12:40:05 +1000 |
| commit | fe0f5d08806dcf7fd51092dfc6ea666ea2392692 (patch) | |
| tree | ef1c83e33577533fb69dc5a443fad27b2c803aaa /drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c | |
| parent | f10956d4455fcb24ecbdca30e6d9d88c95dc2588 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c index 1e40dfe11319..a2706e24f5c1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c @@ -109,15 +109,16 @@ gm204_sor_dp_drv_ctl(struct nvkm_output_dp *outp, &ver, &hdr, &cnt, &len, &ocfg); if (!addr) return -EINVAL; + ocfg.tx_pu &= 0x0f; data[0] = nv_rd32(priv, 0x61c118 + loff) & ~(0x000000ff << shift); data[1] = nv_rd32(priv, 0x61c120 + loff) & ~(0x000000ff << shift); data[2] = nv_rd32(priv, 0x61c130 + loff); - if ((data[2] & 0x0000ff00) < (ocfg.tx_pu << 8) || ln == 0) - data[2] = (data[2] & ~0x0000ff00) | (ocfg.tx_pu << 8); + if ((data[2] & 0x00000f00) < (ocfg.tx_pu << 8) || ln == 0) + data[2] = (data[2] & ~0x00000f00) | (ocfg.tx_pu << 8); nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift)); nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift)); - nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8)); + nv_wr32(priv, 0x61c130 + loff, data[2]); data[3] = nv_rd32(priv, 0x61c13c + loff) & ~(0x000000ff << shift); nv_wr32(priv, 0x61c13c + loff, data[3] | (ocfg.pc << shift)); return 0; |