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

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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
parent f10956d445
commit fe0f5d0880
4 changed files with 7 additions and 6 deletions
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2
drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
View File

@ -125,7 +125,7 @@ g94_sor_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc)
data[2] = (data[2] & ~0x0000ff00) | (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]);
return 0;
}

2
drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c
View File

@ -102,7 +102,7 @@ gf110_sor_dp_drv_ctl(struct nvkm_output_dp *outp,
data[2] = (data[2] & ~0x0000ff00) | (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;

7
drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c
View File

@ -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;

2
drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
View File

@ -178,7 +178,7 @@ nvbios_dpcfg_parse(struct nvkm_bios *bios, u16 outp, u8 idx,
info->pc = nv_ro08(bios, data + 0x00);
info->dc = nv_ro08(bios, data + 0x01);
info->pe = nv_ro08(bios, data + 0x02);
info->tx_pu = nv_ro08(bios, data + 0x03) & 0x0f;
info->tx_pu = nv_ro08(bios, data + 0x03);
break;
default:
data = 0x0000;