diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 181 |
1 files changed, 117 insertions, 64 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 51932c72334e..fd80661dff92 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -400,8 +400,10 @@ nouveau_connector_destroy(struct drm_connector *connector) kfree(nv_connector->edid); drm_connector_unregister(connector); drm_connector_cleanup(connector); - if (nv_connector->aux.transfer) + if (nv_connector->aux.transfer) { + drm_dp_cec_unregister_connector(&nv_connector->aux); drm_dp_aux_unregister(&nv_connector->aux); + } kfree(connector); } @@ -409,59 +411,45 @@ static struct nouveau_encoder * nouveau_connector_ddc_detect(struct drm_connector *connector) { struct drm_device *dev = connector->dev; - struct nouveau_connector *nv_connector = nouveau_connector(connector); - struct nouveau_drm *drm = nouveau_drm(dev); - struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device); - struct nouveau_encoder *nv_encoder = NULL; + struct nouveau_encoder *nv_encoder = NULL, *found = NULL; struct drm_encoder *encoder; - int i, panel = -ENODEV; - - /* eDP panels need powering on by us (if the VBIOS doesn't default it - * to on) before doing any AUX channel transactions. LVDS panel power - * is handled by the SOR itself, and not required for LVDS DDC. - */ - if (nv_connector->type == DCB_CONNECTOR_eDP) { - panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff); - if (panel == 0) { - nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1); - msleep(300); - } - } + int i, ret; + bool switcheroo_ddc = false; drm_connector_for_each_possible_encoder(connector, encoder, i) { nv_encoder = nouveau_encoder(encoder); - if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { - int ret = nouveau_dp_detect(nv_encoder); + switch (nv_encoder->dcb->type) { + case DCB_OUTPUT_DP: + ret = nouveau_dp_detect(nv_encoder); if (ret == NOUVEAU_DP_MST) return NULL; - if (ret == NOUVEAU_DP_SST) - break; - } else - if ((vga_switcheroo_handler_flags() & - VGA_SWITCHEROO_CAN_SWITCH_DDC) && - nv_encoder->dcb->type == DCB_OUTPUT_LVDS && - nv_encoder->i2c) { - int ret; - vga_switcheroo_lock_ddc(dev->pdev); - ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50); - vga_switcheroo_unlock_ddc(dev->pdev); - if (ret) + else if (ret == NOUVEAU_DP_SST) + found = nv_encoder; + + break; + case DCB_OUTPUT_LVDS: + switcheroo_ddc = !!(vga_switcheroo_handler_flags() & + VGA_SWITCHEROO_CAN_SWITCH_DDC); + /* fall-through */ + default: + if (!nv_encoder->i2c) break; - } else - if (nv_encoder->i2c) { + + if (switcheroo_ddc) + vga_switcheroo_lock_ddc(dev->pdev); if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) - break; + found = nv_encoder; + if (switcheroo_ddc) + vga_switcheroo_unlock_ddc(dev->pdev); + + break; } + if (found) + break; } - /* eDP panel not detected, restore panel power GPIO to previous - * state to avoid confusing the SOR for other output types. - */ - if (!nv_encoder && panel == 0) - nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel); - - return nv_encoder; + return found; } static struct nouveau_encoder * @@ -555,12 +543,16 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) nv_connector->edid = NULL; } - /* Outputs are only polled while runtime active, so acquiring a - * runtime PM ref here is unnecessary (and would deadlock upon - * runtime suspend because it waits for polling to finish). + /* Outputs are only polled while runtime active, so resuming the + * device here is unnecessary (and would deadlock upon runtime suspend + * because it waits for polling to finish). We do however, want to + * prevent the autosuspend timer from elapsing during this operation + * if possible. */ - if (!drm_kms_helper_is_poll_worker()) { - ret = pm_runtime_get_sync(connector->dev->dev); + if (drm_kms_helper_is_poll_worker()) { + pm_runtime_get_noresume(dev->dev); + } else { + ret = pm_runtime_get_sync(dev->dev); if (ret < 0 && ret != -EACCES) return conn_status; } @@ -608,6 +600,7 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) nouveau_connector_set_encoder(connector, nv_encoder); conn_status = connector_status_connected; + drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); goto out; } @@ -638,10 +631,8 @@ detect_analog: out: - if (!drm_kms_helper_is_poll_worker()) { - pm_runtime_mark_last_busy(connector->dev->dev); - pm_runtime_put_autosuspend(connector->dev->dev); - } + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); return conn_status; } @@ -895,6 +886,22 @@ nouveau_connector_detect_depth(struct drm_connector *connector) } static int +nouveau_connector_late_register(struct drm_connector *connector) +{ + int ret; + + ret = nouveau_backlight_init(connector); + + return ret; +} + +static void +nouveau_connector_early_unregister(struct drm_connector *connector) +{ + nouveau_backlight_fini(connector); +} + +static int nouveau_connector_get_modes(struct drm_connector *connector) { struct drm_device *dev = connector->dev; @@ -962,18 +969,33 @@ nouveau_connector_get_modes(struct drm_connector *connector) } static unsigned -get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) +get_tmds_link_bandwidth(struct drm_connector *connector) { struct nouveau_connector *nv_connector = nouveau_connector(connector); + struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; struct nouveau_drm *drm = nouveau_drm(connector->dev); struct dcb_output *dcb = nv_connector->detected_encoder->dcb; + struct drm_display_info *info = NULL; + const unsigned duallink_scale = + nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; - if (hdmi) { + if (drm_detect_hdmi_monitor(nv_connector->edid)) + info = &nv_connector->base.display_info; + + if (info) { if (nouveau_hdmimhz > 0) return nouveau_hdmimhz * 1000; /* Note: these limits are conservative, some Fermi's * can do 297 MHz. Unclear how this can be determined. */ + if (drm->client.device.info.chipset >= 0x120) { + const int max_tmds_clock = + info->hdmi.scdc.scrambling.supported ? + 594000 : 340000; + return info->max_tmds_clock ? + min(info->max_tmds_clock, max_tmds_clock) : + max_tmds_clock; + } if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) return 297000; if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) @@ -981,13 +1003,13 @@ get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) } if (dcb->location != DCB_LOC_ON_CHIP || drm->client.device.info.chipset >= 0x46) - return 165000; + return 165000 * duallink_scale; else if (drm->client.device.info.chipset >= 0x40) - return 155000; + return 155000 * duallink_scale; else if (drm->client.device.info.chipset >= 0x18) - return 135000; + return 135000 * duallink_scale; else - return 112000; + return 112000 * duallink_scale; } static enum drm_mode_status @@ -999,7 +1021,6 @@ nouveau_connector_mode_valid(struct drm_connector *connector, struct drm_encoder *encoder = to_drm_encoder(nv_encoder); unsigned min_clock = 25000, max_clock = min_clock; unsigned clock = mode->clock; - bool hdmi; switch (nv_encoder->dcb->type) { case DCB_OUTPUT_LVDS: @@ -1012,11 +1033,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector, max_clock = 400000; break; case DCB_OUTPUT_TMDS: - hdmi = drm_detect_hdmi_monitor(nv_connector->edid); - max_clock = get_tmds_link_bandwidth(connector, hdmi); - if (!hdmi && nouveau_duallink && - nv_encoder->dcb->duallink_possible) - max_clock *= 2; + max_clock = get_tmds_link_bandwidth(connector); break; case DCB_OUTPUT_ANALOG: max_clock = nv_encoder->dcb->crtconf.maxfreq; @@ -1078,6 +1095,8 @@ nouveau_connector_funcs = { .atomic_destroy_state = nouveau_conn_atomic_destroy_state, .atomic_set_property = nouveau_conn_atomic_set_property, .atomic_get_property = nouveau_conn_atomic_get_property, + .late_register = nouveau_connector_late_register, + .early_unregister = nouveau_connector_early_unregister, }; static const struct drm_connector_funcs @@ -1093,6 +1112,8 @@ nouveau_connector_funcs_lvds = { .atomic_destroy_state = nouveau_conn_atomic_destroy_state, .atomic_set_property = nouveau_conn_atomic_set_property, .atomic_get_property = nouveau_conn_atomic_get_property, + .late_register = nouveau_connector_late_register, + .early_unregister = nouveau_connector_early_unregister, }; static int @@ -1105,14 +1126,37 @@ nouveau_connector_hotplug(struct nvif_notify *notify) const struct nvif_notify_conn_rep_v0 *rep = notify->data; const char *name = connector->name; struct nouveau_encoder *nv_encoder; + int ret; + + ret = pm_runtime_get(drm->dev->dev); + if (ret == 0) { + /* We can't block here if there's a pending PM request + * running, as we'll deadlock nouveau_display_fini() when it + * calls nvif_put() on our nvif_notify struct. So, simply + * defer the hotplug event until the device finishes resuming + */ + NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", + name); + schedule_work(&drm->hpd_work); + + pm_runtime_put_noidle(drm->dev->dev); + return NVIF_NOTIFY_KEEP; + } else if (ret != 1 && ret != -EACCES) { + NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", + name, ret); + return NVIF_NOTIFY_DROP; + } if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { NV_DEBUG(drm, "service %s\n", name); + drm_dp_cec_irq(&nv_connector->aux); if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) nv50_mstm_service(nv_encoder->dp.mstm); } else { bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); + if (!plugged) + drm_dp_cec_unset_edid(&nv_connector->aux); NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { if (!plugged) @@ -1122,6 +1166,8 @@ nouveau_connector_hotplug(struct nvif_notify *notify) drm_helper_hpd_irq_event(connector->dev); } + pm_runtime_mark_last_busy(drm->dev->dev); + pm_runtime_put_autosuspend(drm->dev->dev); return NVIF_NOTIFY_KEEP; } @@ -1302,7 +1348,6 @@ nouveau_connector_create(struct drm_device *dev, int index) kfree(nv_connector); return ERR_PTR(ret); } - funcs = &nouveau_connector_funcs; break; default: @@ -1356,6 +1401,14 @@ nouveau_connector_create(struct drm_device *dev, int index) break; } + switch (type) { + case DRM_MODE_CONNECTOR_DisplayPort: + case DRM_MODE_CONNECTOR_eDP: + drm_dp_cec_register_connector(&nv_connector->aux, + connector->name, dev->dev); + break; + } + ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, true, NV04_DISP_NTFY_CONN, &(struct nvif_notify_conn_req_v0) { |
