diff options
Diffstat (limited to 'nvkm/engine/disp/dport.c')
| -rw-r--r-- | nvkm/engine/disp/dport.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/nvkm/engine/disp/dport.c b/nvkm/engine/disp/dport.c index 5d4b0348..c2bf611d 100644 --- a/nvkm/engine/disp/dport.c +++ b/nvkm/engine/disp/dport.c @@ -102,7 +102,7 @@ dp_set_link_config(struct dp_state *dp) if (outp->dpcd[DPCD_RC02] & DPCD_RC02_ENHANCED_FRAME_CAP) sink[1] |= DPCD_LC01_ENHANCED_FRAME_EN; - return nv_wraux(outp->base.edid, DPCD_LC00, sink, 2); + return nv_wraux(outp->base.edid, DPCD_LC00_LINK_BW_SET, sink, 2); } static void @@ -313,14 +313,16 @@ static const struct dp_rates { {} }; -int -nouveau_dp_train(struct nvkm_output_dp *outp, u32 datarate) +void +nouveau_dp_train(struct work_struct *w) { + struct nvkm_output_dp *outp = container_of(w, typeof(*outp), lt.work); struct nouveau_disp *disp = nouveau_disp(outp); const struct dp_rates *cfg = nouveau_dp_rates; struct dp_state _dp = { .outp = outp, }, *dp = &_dp; + u32 datarate = 0; int ret; /* bring capabilities within encoder limits */ @@ -342,6 +344,9 @@ nouveau_dp_train(struct nvkm_output_dp *outp, u32 datarate) } cfg--; + /* disable link interrupt handling during link training */ + nouveau_event_put(outp->irq); + /* enable down-spreading and execute pre-train script from vbios */ dp_link_train_init(dp, outp->dpcd[3] & 0x01); @@ -370,12 +375,16 @@ nouveau_dp_train(struct nvkm_output_dp *outp, u32 datarate) } } - /* finish link training */ + /* finish link training and execute post-train script from vbios */ dp_set_training_pattern(dp, 0); if (ret < 0) ERR("link training failed\n"); - /* execute post-train script from vbios */ dp_link_train_fini(dp); - return (ret < 0) ? false : true; + + /* signal completion and enable link interrupt handling */ + DBG("training complete\n"); + atomic_set(&outp->lt.done, 1); + wake_up(&outp->lt.wait); + nouveau_event_get(outp->irq); } |