diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2014-05-27 07:00:36 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-06-11 08:10:46 +0200 |
| commit | b17932c01a006d36a716ec0ab678d15711dea072 (patch) | |
| tree | 367272ff786b07c8361ab011b02cac058b1e84c5 /drivers/gpu | |
| parent | drm/nouveau/disp/dp: make use of existing output data for link training (diff) | |
| download | linux-b17932c01a006d36a716ec0ab678d15711dea072.tar.xz linux-b17932c01a006d36a716ec0ab678d15711dea072.zip | |
drm/nv50/disp: train PIOR-attached DP from second supervisor
Same place as for SOR, between detach and attach phases.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv50.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 2b9ef826959a..a73bc158d38c 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -1457,10 +1457,17 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) if (!outp) return; - if (outp->info.location == 0 && outp->info.type == DCB_OUTPUT_DP) { + if (outp->info.type == DCB_OUTPUT_DP) { u32 soff = (ffs(outp->info.or) - 1) * 0x08; - u32 ctrl = nv_rd32(priv, 0x610794 + soff); - u32 datarate; + u32 ctrl, datarate; + + if (outp->info.location == 0) { + ctrl = nv_rd32(priv, 0x610794 + soff); + soff = 1; + } else { + ctrl = nv_rd32(priv, 0x610b80 + soff); + soff = 2; + } switch ((ctrl & 0x000f0000) >> 16) { case 6: datarate = pclk * 30 / 8; break; @@ -1471,7 +1478,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) break; } - nouveau_dp_train((void *)outp, datarate); + nouveau_dp_train((void *)outp, datarate / soff); } exec_clkcmp(priv, head, 0, pclk, &conf); @@ -1535,23 +1542,6 @@ nv50_disp_intr_unk40_0(struct nv50_disp_priv *priv, int head) if (outp->info.location == 0 && outp->info.type == DCB_OUTPUT_TMDS) nv50_disp_intr_unk40_0_tmds(priv, &outp->info); - else - if (outp->info.location == 1 && outp->info.type == DCB_OUTPUT_DP) { - u32 soff = (ffs(outp->info.or) - 1) * 0x08; - u32 ctrl = nv_rd32(priv, 0x610b84 + soff); - u32 datarate; - - switch ((ctrl & 0x000f0000) >> 16) { - case 6: datarate = pclk * 30 / 8; break; - case 5: datarate = pclk * 24 / 8; break; - case 2: - default: - datarate = pclk * 18 / 8; - break; - } - - nouveau_dp_train((void *)outp, datarate); - } } void |