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()
83 outp->dp.lttpr.nr = nr; in nouveau_dp_probe_dpcd()
90 outp->dp.link_nr = dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK; in nouveau_dp_probe_dpcd()
91 if (outp->dcb->dpconf.link_nr < outp->dp.link_nr) in nouveau_dp_probe_dpcd()
92 outp->dp.link_nr = outp->dcb->dpconf.link_nr; in nouveau_dp_probe_dpcd()
94 if (outp->dp.lttpr.nr) { in nouveau_dp_probe_dpcd()
95 int links = drm_dp_lttpr_max_lane_count(outp->dp.lttpr.caps); in nouveau_dp_probe_dpcd()
97 if (links && links < outp->dp.link_nr) in nouveau_dp_probe_dpcd()
98 outp->dp.link_nr = links; in nouveau_dp_probe_dpcd()
113 for (j = 0; j < outp->dp.rate_nr; j++) { in nouveau_dp_probe_dpcd()
114 if (rate > outp->dp.rate[j].rate) { in nouveau_dp_probe_dpcd()
115 for (int k = outp->dp.rate_nr; k > j; k--) in nouveau_dp_probe_dpcd()
116 outp->dp.rate[k] = outp->dp.rate[k - 1]; in nouveau_dp_probe_dpcd()
121 outp->dp.rate[j].dpcd = i; in nouveau_dp_probe_dpcd()
122 outp->dp.rate[j].rate = rate; in nouveau_dp_probe_dpcd()
123 outp->dp.rate_nr++; in nouveau_dp_probe_dpcd()
128 if (!outp->dp.rate_nr) { in nouveau_dp_probe_dpcd()
132 if (outp->dp.lttpr.nr) { in nouveau_dp_probe_dpcd()
133 int rate = drm_dp_lttpr_max_link_rate(outp->dp.lttpr.caps); in nouveau_dp_probe_dpcd()
143 outp->dp.rate[outp->dp.rate_nr].dpcd = -1; in nouveau_dp_probe_dpcd()
144 outp->dp.rate[outp->dp.rate_nr].rate = rates[i]; in nouveau_dp_probe_dpcd()
145 outp->dp.rate_nr++; in nouveau_dp_probe_dpcd()
149 if (WARN_ON(!outp->dp.rate_nr)) in nouveau_dp_probe_dpcd()
153 ret = nvif_outp_dp_rates(&outp->outp, outp->dp.rate, outp->dp.rate_nr); in nouveau_dp_probe_dpcd()
157 for (int i = 0; i < outp->dp.rate_nr; i++) { in nouveau_dp_probe_dpcd()
158 u32 link_bw = outp->dp.rate[i].rate; in nouveau_dp_probe_dpcd()
160 if (link_bw > outp->dp.link_bw) in nouveau_dp_probe_dpcd()
161 outp->dp.link_bw = link_bw; in nouveau_dp_probe_dpcd()
164 ret = drm_dp_read_desc(aux, &outp->dp.desc, drm_dp_is_branch(dpcd)); in nouveau_dp_probe_dpcd()
169 mstm = outp->dp.mstm; in nouveau_dp_probe_dpcd()
179 outp->dp.sink_count = ret; in nouveau_dp_probe_dpcd()
185 if (!outp->dp.sink_count) in nouveau_dp_probe_dpcd()
190 outp->dp.downstream_ports); in nouveau_dp_probe_dpcd()
198 outp->dp.sink_count = 0; in nouveau_dp_probe_dpcd()
210 struct nv50_mstm *mstm = nv_encoder->dp.mstm; in nouveau_dp_detect()
212 u8 *dpcd = nv_encoder->dp.dpcd; in nouveau_dp_detect()
228 mutex_lock(&nv_encoder->dp.hpd_irq_lock); in nouveau_dp_detect()
265 for (int i = 0; i < nv_encoder->dp.rate_nr; i++) in nouveau_dp_detect()
266 NV_DEBUG(drm, "sink rate %d: %d\n", i, nv_encoder->dp.rate[i].rate); in nouveau_dp_detect()
270 NV_DEBUG(drm, "maximum: %dx%d\n", nv_encoder->dp.link_nr, in nouveau_dp_detect()
271 nv_encoder->dp.link_bw); in nouveau_dp_detect()
296 mutex_unlock(&nv_encoder->dp.hpd_irq_lock); in nouveau_dp_detect()
307 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_power_down()
316 outp->dp.lt.nr = 0; in nouveau_dp_power_down()
317 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_power_down()
327 if ( (outp->dp.dpcd[DP_MAX_LANE_COUNT] & 0x20) && in nouveau_dp_train_link()
328 !(outp->dp.dpcd[DP_MAX_DOWNSPREAD] & DP_TPS4_SUPPORTED)) in nouveau_dp_train_link()
332 ret = nvif_outp_dp_train(&outp->outp, outp->dp.dpcd, in nouveau_dp_train_link()
333 outp->dp.lttpr.nr, in nouveau_dp_train_link()
334 outp->dp.lt.nr, in nouveau_dp_train_link()
335 outp->dp.lt.bw, in nouveau_dp_train_link()
336 outp->dp.lt.mst, in nouveau_dp_train_link()
352 if (!drm_dp_channel_eq_ok(stat, outp->dp.lt.nr)) { in nouveau_dp_train_link()
377 for (int i = 0; i < outp->dp.lt.nr; i++) { in nouveau_dp_train_link()
384 ret = nvif_outp_dp_drive(&outp->outp, outp->dp.lt.nr, pe, vs); in nouveau_dp_train_link()
414 min_rate = outp->dp.link_nr * outp->dp.rate[0].rate; in nouveau_dp_train()
421 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_train()
431 for (int nr = outp->dp.link_nr; nr; nr >>= 1) { in nouveau_dp_train()
432 for (int rate = 0; rate < outp->dp.rate_nr; rate++) { in nouveau_dp_train()
433 if (outp->dp.rate[rate].rate * nr >= min_rate) { in nouveau_dp_train()
434 outp->dp.lt.nr = nr; in nouveau_dp_train()
435 outp->dp.lt.bw = outp->dp.rate[rate].rate; in nouveau_dp_train()
436 outp->dp.lt.mst = mst; in nouveau_dp_train()
445 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_train()
454 if (!outp || !outp->dp.lt.nr) in nouveau_dp_link_check_locked()
460 if (drm_dp_channel_eq_ok(link_status, outp->dp.lt.nr)) in nouveau_dp_link_check_locked()
473 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_link_check()
474 if (outp->dp.lt.nr) in nouveau_dp_link_check()
476 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_link_check()
497 mstm = outp->dp.mstm; in nouveau_dp_irq()
500 mutex_lock(&outp->dp.hpd_irq_lock); in nouveau_dp_irq()
510 if (ret != outp->dp.sink_count) in nouveau_dp_irq()
513 outp->dp.sink_count = ret; in nouveau_dp_irq()
517 mutex_unlock(&outp->dp.hpd_irq_lock); in nouveau_dp_irq()
523 * - Validate against the DP caps advertised by the GPU (we don't check these
545 max_rate = outp->dp.link_nr * outp->dp.link_bw; in nv50_dp_mode_valid()
550 ds_max_dotclock = drm_dp_downstream_max_dotclock(outp->dp.dpcd, outp->dp.downstream_ports); in nv50_dp_mode_valid()