Lines Matching full:dp
42 return drm_dp_read_sink_count_cap(connector, outp->dp.dpcd, &outp->dp.desc); in nouveau_dp_has_sink_count()
69 u8 *dpcd = outp->dp.dpcd; in nouveau_dp_probe_dpcd()
71 outp->dp.lttpr.nr = 0; in nouveau_dp_probe_dpcd()
72 outp->dp.rate_nr = 0; in nouveau_dp_probe_dpcd()
73 outp->dp.link_nr = 0; in nouveau_dp_probe_dpcd()
74 outp->dp.link_bw = 0; in nouveau_dp_probe_dpcd()
79 !drm_dp_read_lttpr_common_caps(aux, dpcd, outp->dp.lttpr.caps)) { in nouveau_dp_probe_dpcd()
80 int nr = drm_dp_lttpr_count(outp->dp.lttpr.caps); in nouveau_dp_probe_dpcd()
93 outp->dp.lttpr.nr = nr; in nouveau_dp_probe_dpcd()
103 outp->dp.link_nr = dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK; in nouveau_dp_probe_dpcd()
104 if (outp->dcb->dpconf.link_nr < outp->dp.link_nr) in nouveau_dp_probe_dpcd()
105 outp->dp.link_nr = outp->dcb->dpconf.link_nr; in nouveau_dp_probe_dpcd()
107 if (outp->dp.lttpr.nr) { in nouveau_dp_probe_dpcd()
108 int links = drm_dp_lttpr_max_lane_count(outp->dp.lttpr.caps); in nouveau_dp_probe_dpcd()
110 if (links && links < outp->dp.link_nr) in nouveau_dp_probe_dpcd()
111 outp->dp.link_nr = links; in nouveau_dp_probe_dpcd()
126 for (j = 0; j < outp->dp.rate_nr; j++) { in nouveau_dp_probe_dpcd()
127 if (rate > outp->dp.rate[j].rate) { in nouveau_dp_probe_dpcd()
128 for (int k = outp->dp.rate_nr; k > j; k--) in nouveau_dp_probe_dpcd()
129 outp->dp.rate[k] = outp->dp.rate[k - 1]; in nouveau_dp_probe_dpcd()
134 outp->dp.rate[j].dpcd = i; in nouveau_dp_probe_dpcd()
135 outp->dp.rate[j].rate = rate; in nouveau_dp_probe_dpcd()
136 outp->dp.rate_nr++; in nouveau_dp_probe_dpcd()
141 if (!outp->dp.rate_nr) { in nouveau_dp_probe_dpcd()
145 if (outp->dp.lttpr.nr) { in nouveau_dp_probe_dpcd()
146 int rate = drm_dp_lttpr_max_link_rate(outp->dp.lttpr.caps); in nouveau_dp_probe_dpcd()
156 outp->dp.rate[outp->dp.rate_nr].dpcd = -1; in nouveau_dp_probe_dpcd()
157 outp->dp.rate[outp->dp.rate_nr].rate = rates[i]; in nouveau_dp_probe_dpcd()
158 outp->dp.rate_nr++; in nouveau_dp_probe_dpcd()
162 if (WARN_ON(!outp->dp.rate_nr)) in nouveau_dp_probe_dpcd()
166 ret = nvif_outp_dp_rates(&outp->outp, outp->dp.rate, outp->dp.rate_nr); in nouveau_dp_probe_dpcd()
170 for (int i = 0; i < outp->dp.rate_nr; i++) { in nouveau_dp_probe_dpcd()
171 u32 link_bw = outp->dp.rate[i].rate; in nouveau_dp_probe_dpcd()
173 if (link_bw > outp->dp.link_bw) in nouveau_dp_probe_dpcd()
174 outp->dp.link_bw = link_bw; in nouveau_dp_probe_dpcd()
177 ret = drm_dp_read_desc(aux, &outp->dp.desc, drm_dp_is_branch(dpcd)); in nouveau_dp_probe_dpcd()
182 mstm = outp->dp.mstm; in nouveau_dp_probe_dpcd()
192 outp->dp.sink_count = ret; in nouveau_dp_probe_dpcd()
198 if (!outp->dp.sink_count) in nouveau_dp_probe_dpcd()
203 outp->dp.downstream_ports); in nouveau_dp_probe_dpcd()
211 outp->dp.sink_count = 0; in nouveau_dp_probe_dpcd()
223 struct nv50_mstm *mstm = nv_encoder->dp.mstm; in nouveau_dp_detect()
225 u8 *dpcd = nv_encoder->dp.dpcd; in nouveau_dp_detect()
241 mutex_lock(&nv_encoder->dp.hpd_irq_lock); in nouveau_dp_detect()
278 for (int i = 0; i < nv_encoder->dp.rate_nr; i++) in nouveau_dp_detect()
279 NV_DEBUG(drm, "sink rate %d: %d\n", i, nv_encoder->dp.rate[i].rate); in nouveau_dp_detect()
283 NV_DEBUG(drm, "maximum: %dx%d\n", nv_encoder->dp.link_nr, in nouveau_dp_detect()
284 nv_encoder->dp.link_bw); in nouveau_dp_detect()
309 mutex_unlock(&nv_encoder->dp.hpd_irq_lock); in nouveau_dp_detect()
320 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_power_down()
329 outp->dp.lt.nr = 0; in nouveau_dp_power_down()
330 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_power_down()
340 if ( (outp->dp.dpcd[DP_MAX_LANE_COUNT] & 0x20) && in nouveau_dp_train_link()
341 !(outp->dp.dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED)) in nouveau_dp_train_link()
345 ret = nvif_outp_dp_train(&outp->outp, outp->dp.dpcd, in nouveau_dp_train_link()
346 outp->dp.lttpr.nr, in nouveau_dp_train_link()
347 outp->dp.lt.nr, in nouveau_dp_train_link()
348 outp->dp.lt.bw, in nouveau_dp_train_link()
349 outp->dp.lt.mst, in nouveau_dp_train_link()
365 if (!drm_dp_channel_eq_ok(stat, outp->dp.lt.nr)) { in nouveau_dp_train_link()
390 for (int i = 0; i < outp->dp.lt.nr; i++) { in nouveau_dp_train_link()
397 ret = nvif_outp_dp_drive(&outp->outp, outp->dp.lt.nr, pe, vs); in nouveau_dp_train_link()
427 min_rate = outp->dp.link_nr * outp->dp.rate[0].rate; in nouveau_dp_train()
434 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_train()
444 for (int nr = outp->dp.link_nr; nr; nr >>= 1) { in nouveau_dp_train()
445 for (int rate = 0; rate < outp->dp.rate_nr; rate++) { in nouveau_dp_train()
446 if (outp->dp.rate[rate].rate * nr >= min_rate) { in nouveau_dp_train()
447 outp->dp.lt.nr = nr; in nouveau_dp_train()
448 outp->dp.lt.bw = outp->dp.rate[rate].rate; in nouveau_dp_train()
449 outp->dp.lt.mst = mst; in nouveau_dp_train()
458 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_train()
467 if (!outp || !outp->dp.lt.nr) in nouveau_dp_link_check_locked()
473 if (drm_dp_channel_eq_ok(link_status, outp->dp.lt.nr)) in nouveau_dp_link_check_locked()
486 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_link_check()
487 if (outp->dp.lt.nr) in nouveau_dp_link_check()
489 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_link_check()
510 mstm = outp->dp.mstm; in nouveau_dp_irq()
513 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_irq()
523 if (ret != outp->dp.sink_count) in nouveau_dp_irq()
526 outp->dp.sink_count = ret; in nouveau_dp_irq()
530 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_irq()
536 * - Validate against the DP caps advertised by the GPU (we don't check these
558 max_rate = outp->dp.link_nr * outp->dp.link_bw; in nv50_dp_mode_valid()
563 ds_max_dotclock = drm_dp_downstream_max_dotclock(outp->dp.dpcd, outp->dp.downstream_ports); in nv50_dp_mode_valid()