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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-06-03 12:56:18 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-06-11 16:11:19 +1000 |
| commit | 3e1eb5cf7c25dee269b9873588a8beecc7a7265a (patch) | |
| tree | 2af6c8611e7da98de9360504063d061565e1cdf5 /drivers/gpu | |
| parent | 7a14bc783edbc7fecdb7031e3a2b816a339d24ee (diff) | |
| download | linux-stable-3e1eb5cf7c25dee269b9873588a8beecc7a7265a.tar.gz linux-stable-3e1eb5cf7c25dee269b9873588a8beecc7a7265a.tar.bz2 linux-stable-3e1eb5cf7c25dee269b9873588a8beecc7a7265a.zip | |
drm/g94-/disp/dp: take max pullup value across all lanes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c index d4dfcde0a95d..05487cda84a8 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c @@ -127,7 +127,9 @@ nv94_sor_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc) 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) & ~(0x0000ff00); + 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); 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)); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c index 0055f869c507..97f0e9cd3d40 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c @@ -105,7 +105,9 @@ nvd0_sor_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc) 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) & ~(0x0000ff00); + 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); 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)); |