diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.c | 54 |
1 files changed, 25 insertions, 29 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.c index 0bde0fa..dac6f17 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.c @@ -40,7 +40,7 @@ nvkm_output_dp_train(struct nvkm_output *base, u32 datarate, bool wait) int ret, i; /* check that the link is trained at a high enough rate */ - ret = nv_rdaux(outp->base.edid, DPCD_LC00_LINK_BW_SET, link, 2); + ret = nvkm_rdaux(outp->aux, DPCD_LC00_LINK_BW_SET, link, 2); if (ret) { DBG("failed to read link config, assuming no sink\n"); goto done; @@ -55,7 +55,7 @@ nvkm_output_dp_train(struct nvkm_output *base, u32 datarate, bool wait) } /* check that link is still trained */ - ret = nv_rdaux(outp->base.edid, DPCD_LS02, stat, 3); + ret = nvkm_rdaux(outp->aux, DPCD_LS02, stat, 3); if (ret) { DBG("failed to read link status, assuming no sink\n"); goto done; @@ -102,37 +102,31 @@ done: } static void -nvkm_output_dp_enable(struct nvkm_output_dp *outp, bool present) +nvkm_output_dp_enable(struct nvkm_output_dp *outp, bool enable) { - struct nvkm_i2c_port *port = outp->base.edid; - if (present) { + struct nvkm_i2c_aux *aux = outp->aux; + + if (enable) { if (!outp->present) { - nvkm_i2c(port)->acquire_pad(port, 0); DBG("aux power -> always\n"); + nvkm_i2c_aux_monitor(aux, true); outp->present = true; } - nvkm_output_dp_train(&outp->base, 0, true); - } else { - if (outp->present) { - nvkm_i2c(port)->release_pad(port); - DBG("aux power -> demand\n"); - outp->present = false; + + if (!nvkm_rdaux(aux, DPCD_RC00_DPCD_REV, outp->dpcd, + sizeof(outp->dpcd))) { + nvkm_output_dp_train(&outp->base, 0, true); + return; } - atomic_set(&outp->lt.done, 0); } -} -static void -nvkm_output_dp_detect(struct nvkm_output_dp *outp) -{ - struct nvkm_i2c_port *port = outp->base.edid; - int ret = nvkm_i2c(port)->acquire_pad(port, 0); - if (ret == 0) { - ret = nv_rdaux(outp->base.edid, DPCD_RC00_DPCD_REV, - outp->dpcd, sizeof(outp->dpcd)); - nvkm_output_dp_enable(outp, ret == 0); - nvkm_i2c(port)->release_pad(port); + if (outp->present) { + DBG("aux power -> demand\n"); + nvkm_i2c_aux_monitor(aux, false); + outp->present = false; } + + atomic_set(&outp->lt.done, 0); } static int @@ -148,7 +142,7 @@ nvkm_output_dp_hpd(struct nvkm_notify *notify) if (outp->base.conn == conn && outp->info.type == DCB_OUTPUT_DP) { DBG("HPD: %d\n", line->mask); - nvkm_output_dp_detect(outp); + nvkm_output_dp_enable(outp, true); if (line->mask & NVKM_I2C_UNPLUG) rep.mask |= NVIF_NOTIFY_CONN_V0_UNPLUG; @@ -196,7 +190,7 @@ int _nvkm_output_dp_init(struct nvkm_object *object) { struct nvkm_output_dp *outp = (void *)object; - nvkm_output_dp_detect(outp); + nvkm_output_dp_enable(outp, true); return nvkm_output_init(&outp->base); } @@ -231,7 +225,9 @@ nvkm_output_dp_create_(struct nvkm_object *parent, nvkm_notify_fini(&outp->base.conn->hpd); /* access to the aux channel is not optional... */ - if (!outp->base.edid) { + //XXX: breaks anx support + outp->aux = nvkm_i2c_aux_find(i2c, outp->base.info.i2c_index); + if (!outp->aux) { ERR("aux channel not found\n"); return -ENODEV; } @@ -256,7 +252,7 @@ nvkm_output_dp_create_(struct nvkm_object *parent, ret = nvkm_notify_init(NULL, &i2c->event, nvkm_output_dp_irq, true, &(struct nvkm_i2c_ntfy_req) { .mask = NVKM_I2C_IRQ, - .port = outp->base.edid->index, + .port = outp->aux->id, }, sizeof(struct nvkm_i2c_ntfy_req), sizeof(struct nvkm_i2c_ntfy_rep), @@ -270,7 +266,7 @@ nvkm_output_dp_create_(struct nvkm_object *parent, ret = nvkm_notify_init(NULL, &i2c->event, nvkm_output_dp_hpd, true, &(struct nvkm_i2c_ntfy_req) { .mask = NVKM_I2C_PLUG | NVKM_I2C_UNPLUG, - .port = outp->base.edid->index, + .port = outp->aux->id, }, sizeof(struct nvkm_i2c_ntfy_req), sizeof(struct nvkm_i2c_ntfy_rep), |
