diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 423 |
1 files changed, 188 insertions, 235 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 149ed224c3c..b1b22baf142 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -37,12 +37,6 @@ #include "nouveau_connector.h" #include "nouveau_hw.h" -static inline struct drm_encoder_slave_funcs * -get_slave_funcs(struct nouveau_encoder *enc) -{ - return to_encoder_slave(to_drm_encoder(enc))->slave_funcs; -} - static struct nouveau_encoder * find_encoder_by_type(struct drm_connector *connector, int type) { @@ -102,63 +96,15 @@ nouveau_connector_destroy(struct drm_connector *drm_connector) kfree(drm_connector); } -static void -nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags) -{ - struct drm_nouveau_private *dev_priv = connector->dev->dev_private; - - if (dev_priv->card_type >= NV_50) - return; - - *flags = 0; - if (NVLockVgaCrtcs(dev_priv->dev, false)) - *flags |= 1; - if (nv_heads_tied(dev_priv->dev)) - *flags |= 2; - - if (*flags & 2) - NVSetOwner(dev_priv->dev, 0); /* necessary? */ -} - -static void -nouveau_connector_ddc_finish(struct drm_connector *connector, int flags) -{ - struct drm_nouveau_private *dev_priv = connector->dev->dev_private; - - if (dev_priv->card_type >= NV_50) - return; - - if (flags & 2) - NVSetOwner(dev_priv->dev, 4); - if (flags & 1) - NVLockVgaCrtcs(dev_priv->dev, true); -} - static struct nouveau_i2c_chan * nouveau_connector_ddc_detect(struct drm_connector *connector, struct nouveau_encoder **pnv_encoder) { struct drm_device *dev = connector->dev; - uint8_t out_buf[] = { 0x0, 0x0}, buf[2]; - int ret, flags, i; - - struct i2c_msg msgs[] = { - { - .addr = 0x50, - .flags = 0, - .len = 1, - .buf = out_buf, - }, - { - .addr = 0x50, - .flags = I2C_M_RD, - .len = 1, - .buf = buf, - } - }; + int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - struct nouveau_i2c_chan *i2c = NULL; + struct nouveau_i2c_chan *i2c; struct nouveau_encoder *nv_encoder; struct drm_mode_object *obj; int id; @@ -171,17 +117,9 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, if (!obj) continue; nv_encoder = nouveau_encoder(obj_to_encoder(obj)); + i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); - if (nv_encoder->dcb->i2c_index < 0xf) - i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); - if (!i2c) - continue; - - nouveau_connector_ddc_prepare(connector, &flags); - ret = i2c_transfer(&i2c->adapter, msgs, 2); - nouveau_connector_ddc_finish(connector, flags); - - if (ret == 2) { + if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) { *pnv_encoder = nv_encoder; return i2c; } @@ -234,21 +172,7 @@ nouveau_connector_detect(struct drm_connector *connector) struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = NULL; struct nouveau_i2c_chan *i2c; - int type, flags; - - if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS) - nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); - if (nv_encoder && nv_connector->native_mode) { - unsigned status = connector_status_connected; - -#if defined(CONFIG_ACPI_BUTTON) || \ - (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) - if (!nouveau_ignorelid && !acpi_lid_open()) - status = connector_status_unknown; -#endif - nouveau_connector_set_encoder(connector, nv_encoder); - return status; - } + int type; /* Cleanup the previous EDID block. */ if (nv_connector->edid) { @@ -259,9 +183,7 @@ nouveau_connector_detect(struct drm_connector *connector) i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); if (i2c) { - nouveau_connector_ddc_prepare(connector, &flags); nv_connector->edid = drm_get_edid(connector, &i2c->adapter); - nouveau_connector_ddc_finish(connector, flags); drm_mode_connector_update_edid_property(connector, nv_connector->edid); if (!nv_connector->edid) { @@ -321,6 +243,85 @@ detect_analog: return connector_status_disconnected; } +static enum drm_connector_status +nouveau_connector_detect_lvds(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_connector *nv_connector = nouveau_connector(connector); + struct nouveau_encoder *nv_encoder = NULL; + enum drm_connector_status status = connector_status_disconnected; + + /* Cleanup the previous EDID block. */ + if (nv_connector->edid) { + drm_mode_connector_update_edid_property(connector, NULL); + kfree(nv_connector->edid); + nv_connector->edid = NULL; + } + + nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); + if (!nv_encoder) + return connector_status_disconnected; + + /* Try retrieving EDID via DDC */ + if (!dev_priv->vbios.fp_no_ddc) { + status = nouveau_connector_detect(connector); + if (status == connector_status_connected) + goto out; + } + + /* On some laptops (Sony, i'm looking at you) there appears to + * be no direct way of accessing the panel's EDID. The only + * option available to us appears to be to ask ACPI for help.. + * + * It's important this check's before trying straps, one of the + * said manufacturer's laptops are configured in such a way + * the nouveau decides an entry in the VBIOS FP mode table is + * valid - it's not (rh#613284) + */ + if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { + if (!nouveau_acpi_edid(dev, connector)) { + status = connector_status_connected; + goto out; + } + } + + /* If no EDID found above, and the VBIOS indicates a hardcoded + * modeline is avalilable for the panel, set it as the panel's + * native mode and exit. + */ + if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc || + nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { + status = connector_status_connected; + goto out; + } + + /* Still nothing, some VBIOS images have a hardcoded EDID block + * stored for the panel stored in them. + */ + if (!dev_priv->vbios.fp_no_ddc) { + struct edid *edid = + (struct edid *)nouveau_bios_embedded_edid(dev); + if (edid) { + nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL); + *(nv_connector->edid) = *edid; + status = connector_status_connected; + } + } + +out: +#if defined(CONFIG_ACPI_BUTTON) || \ + (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) + if (status == connector_status_connected && + !nouveau_ignorelid && !acpi_lid_open()) + status = connector_status_unknown; +#endif + + drm_mode_connector_update_edid_property(connector, nv_connector->edid); + nouveau_connector_set_encoder(connector, nv_encoder); + return status; +} + static void nouveau_connector_force(struct drm_connector *connector) { @@ -353,6 +354,7 @@ nouveau_connector_set_property(struct drm_connector *connector, { struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; + struct drm_encoder *encoder = to_drm_encoder(nv_encoder); struct drm_device *dev = connector->dev; int ret; @@ -425,8 +427,8 @@ nouveau_connector_set_property(struct drm_connector *connector, } if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV) - return get_slave_funcs(nv_encoder)-> - set_property(to_drm_encoder(nv_encoder), connector, property, value); + return get_slave_funcs(encoder)->set_property( + encoder, connector, property, value); return -EINVAL; } @@ -441,7 +443,8 @@ nouveau_connector_native_mode(struct drm_connector *connector) int high_w = 0, high_h = 0, high_v = 0; list_for_each_entry(mode, &nv_connector->base.probed_modes, head) { - if (helper->mode_valid(connector, mode) != MODE_OK) + if (helper->mode_valid(connector, mode) != MODE_OK || + (mode->flags & DRM_MODE_FLAG_INTERLACE)) continue; /* Use preferred mode if there is one.. */ @@ -534,21 +537,28 @@ static int nouveau_connector_get_modes(struct drm_connector *connector) { struct drm_device *dev = connector->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; + struct drm_encoder *encoder = to_drm_encoder(nv_encoder); int ret = 0; - /* If we're not LVDS, destroy the previous native mode, the attached - * monitor could have changed. + /* destroy the native mode, the attached monitor could have changed. */ - if (nv_connector->dcb->type != DCB_CONNECTOR_LVDS && - nv_connector->native_mode) { + if (nv_connector->native_mode) { drm_mode_destroy(dev, nv_connector->native_mode); nv_connector->native_mode = NULL; } if (nv_connector->edid) ret = drm_add_edid_modes(connector, nv_connector->edid); + else + if (nv_encoder->dcb->type == OUTPUT_LVDS && + (nv_encoder->dcb->lvdsconf.use_straps_for_mode || + dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { + nv_connector->native_mode = drm_mode_create(dev); + nouveau_bios_fp_mode(dev, nv_connector->native_mode); + } /* Find the native mode if this is a digital panel, if we didn't * find any modes through DDC previously add the native mode to @@ -566,10 +576,10 @@ nouveau_connector_get_modes(struct drm_connector *connector) } if (nv_encoder->dcb->type == OUTPUT_TV) - ret = get_slave_funcs(nv_encoder)-> - get_modes(to_drm_encoder(nv_encoder), connector); + ret = get_slave_funcs(encoder)->get_modes(encoder, connector); - if (nv_encoder->dcb->type == OUTPUT_LVDS) + if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS || + nv_connector->dcb->type == DCB_CONNECTOR_eDP) ret += nouveau_connector_scaler_modes_add(connector); return ret; @@ -582,6 +592,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector, struct drm_nouveau_private *dev_priv = connector->dev->dev_private; struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; + struct drm_encoder *encoder = to_drm_encoder(nv_encoder); unsigned min_clock = 25000, max_clock = min_clock; unsigned clock = mode->clock; @@ -608,8 +619,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector, max_clock = 350000; break; case OUTPUT_TV: - return get_slave_funcs(nv_encoder)-> - mode_valid(to_drm_encoder(nv_encoder), mode); + return get_slave_funcs(encoder)->mode_valid(encoder, mode); case OUTPUT_DP: if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7) max_clock = nv_encoder->dp.link_nr * 270000; @@ -643,6 +653,44 @@ nouveau_connector_best_encoder(struct drm_connector *connector) return NULL; } +void +nouveau_connector_set_polling(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; + bool spare_crtc = false; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + spare_crtc |= !crtc->enabled; + + connector->polled = 0; + + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_VGA: + case DRM_MODE_CONNECTOR_TV: + if (dev_priv->card_type >= NV_50 || + (nv_gf4_disp_arch(dev) && spare_crtc)) + connector->polled = DRM_CONNECTOR_POLL_CONNECT; + break; + + case DRM_MODE_CONNECTOR_DVII: + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_HDMIA: + case DRM_MODE_CONNECTOR_DisplayPort: + case DRM_MODE_CONNECTOR_eDP: + if (dev_priv->card_type >= NV_50) + connector->polled = DRM_CONNECTOR_POLL_HPD; + else if (connector->connector_type == DRM_MODE_CONNECTOR_DVID || + spare_crtc) + connector->polled = DRM_CONNECTOR_POLL_CONNECT; + break; + + default: + break; + } +} + static const struct drm_connector_helper_funcs nouveau_connector_helper_funcs = { .get_modes = nouveau_connector_get_modes, @@ -662,148 +710,74 @@ nouveau_connector_funcs = { .force = nouveau_connector_force }; -static int -nouveau_connector_create_lvds(struct drm_device *dev, - struct drm_connector *connector) -{ - struct nouveau_connector *nv_connector = nouveau_connector(connector); - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_i2c_chan *i2c = NULL; - struct nouveau_encoder *nv_encoder; - struct drm_display_mode native, *mode, *temp; - bool dummy, if_is_24bit = false; - int ret, flags; - - nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS); - if (!nv_encoder) - return -ENODEV; - - ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &if_is_24bit); - if (ret) { - NV_ERROR(dev, "Error parsing LVDS table, disabling LVDS\n"); - return ret; - } - nv_connector->use_dithering = !if_is_24bit; - - /* Firstly try getting EDID over DDC, if allowed and I2C channel - * is available. - */ - if (!dev_priv->vbios.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf) - i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); - - if (i2c) { - nouveau_connector_ddc_prepare(connector, &flags); - nv_connector->edid = drm_get_edid(connector, &i2c->adapter); - nouveau_connector_ddc_finish(connector, flags); - } - - /* If no EDID found above, and the VBIOS indicates a hardcoded - * modeline is avalilable for the panel, set it as the panel's - * native mode and exit. - */ - if (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) && - (nv_encoder->dcb->lvdsconf.use_straps_for_mode || - dev_priv->vbios.fp_no_ddc)) { - nv_connector->native_mode = drm_mode_duplicate(dev, &native); - goto out; - } - - /* Still nothing, some VBIOS images have a hardcoded EDID block - * stored for the panel stored in them. - */ - if (!nv_connector->edid && !nv_connector->native_mode && - !dev_priv->vbios.fp_no_ddc) { - struct edid *edid = - (struct edid *)nouveau_bios_embedded_edid(dev); - if (edid) { - nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL); - *(nv_connector->edid) = *edid; - } - } - - if (!nv_connector->edid) - goto out; - - /* We didn't find/use a panel mode from the VBIOS, so parse the EDID - * block and look for the preferred mode there. - */ - ret = drm_add_edid_modes(connector, nv_connector->edid); - if (ret == 0) - goto out; - nv_connector->detected_encoder = nv_encoder; - nv_connector->native_mode = nouveau_connector_native_mode(connector); - list_for_each_entry_safe(mode, temp, &connector->probed_modes, head) - drm_mode_remove(connector, mode); - -out: - if (!nv_connector->native_mode) { - NV_ERROR(dev, "LVDS present in DCB table, but couldn't " - "determine its native mode. Disabling.\n"); - return -ENODEV; - } - - drm_mode_connector_update_edid_property(connector, nv_connector->edid); - return 0; -} +static const struct drm_connector_funcs +nouveau_connector_funcs_lvds = { + .dpms = drm_helper_connector_dpms, + .save = NULL, + .restore = NULL, + .detect = nouveau_connector_detect_lvds, + .destroy = nouveau_connector_destroy, + .fill_modes = drm_helper_probe_single_connector_modes, + .set_property = nouveau_connector_set_property, + .force = nouveau_connector_force +}; -int -nouveau_connector_create(struct drm_device *dev, - struct dcb_connector_table_entry *dcb) +struct drm_connector * +nouveau_connector_create(struct drm_device *dev, int index) { + const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_connector *nv_connector = NULL; + struct dcb_connector_table_entry *dcb = NULL; struct drm_connector *connector; - struct drm_encoder *encoder; - int ret, type; + int type, ret = 0; NV_DEBUG_KMS(dev, "\n"); + if (index >= dev_priv->vbios.dcb.connector.entries) + return ERR_PTR(-EINVAL); + + dcb = &dev_priv->vbios.dcb.connector.entry[index]; + if (dcb->drm) + return dcb->drm; + switch (dcb->type) { - case DCB_CONNECTOR_NONE: - return 0; case DCB_CONNECTOR_VGA: - NV_INFO(dev, "Detected a VGA connector\n"); type = DRM_MODE_CONNECTOR_VGA; break; case DCB_CONNECTOR_TV_0: case DCB_CONNECTOR_TV_1: case DCB_CONNECTOR_TV_3: - NV_INFO(dev, "Detected a TV connector\n"); type = DRM_MODE_CONNECTOR_TV; break; case DCB_CONNECTOR_DVI_I: - NV_INFO(dev, "Detected a DVI-I connector\n"); type = DRM_MODE_CONNECTOR_DVII; break; case DCB_CONNECTOR_DVI_D: - NV_INFO(dev, "Detected a DVI-D connector\n"); type = DRM_MODE_CONNECTOR_DVID; break; case DCB_CONNECTOR_HDMI_0: case DCB_CONNECTOR_HDMI_1: - NV_INFO(dev, "Detected a HDMI connector\n"); type = DRM_MODE_CONNECTOR_HDMIA; break; case DCB_CONNECTOR_LVDS: - NV_INFO(dev, "Detected a LVDS connector\n"); type = DRM_MODE_CONNECTOR_LVDS; + funcs = &nouveau_connector_funcs_lvds; break; case DCB_CONNECTOR_DP: - NV_INFO(dev, "Detected a DisplayPort connector\n"); type = DRM_MODE_CONNECTOR_DisplayPort; break; case DCB_CONNECTOR_eDP: - NV_INFO(dev, "Detected an eDP connector\n"); type = DRM_MODE_CONNECTOR_eDP; break; default: NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type); - return -EINVAL; + return ERR_PTR(-EINVAL); } nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); if (!nv_connector) - return -ENOMEM; + return ERR_PTR(-ENOMEM); nv_connector->dcb = dcb; connector = &nv_connector->base; @@ -811,27 +785,21 @@ nouveau_connector_create(struct drm_device *dev, connector->interlace_allowed = false; connector->doublescan_allowed = false; - drm_connector_init(dev, connector, &nouveau_connector_funcs, type); + drm_connector_init(dev, connector, funcs, type); drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); - /* attach encoders */ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - - if (nv_encoder->dcb->connector != dcb->index) - continue; - - if (get_slave_funcs(nv_encoder)) - get_slave_funcs(nv_encoder)->create_resources(encoder, connector); + /* Check if we need dithering enabled */ + if (dcb->type == DCB_CONNECTOR_LVDS) { + bool dummy, is_24bit = false; - drm_mode_connector_attach_encoder(connector, encoder); - } + ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &is_24bit); + if (ret) { + NV_ERROR(dev, "Error parsing LVDS table, disabling " + "LVDS\n"); + goto fail; + } - if (!connector->encoder_ids[0]) { - NV_WARN(dev, " no encoders, ignoring\n"); - drm_connector_cleanup(connector); - kfree(connector); - return 0; + nv_connector->use_dithering = !is_24bit; } /* Init DVI-I specific properties */ @@ -841,12 +809,8 @@ nouveau_connector_create(struct drm_device *dev, drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0); } - if (dcb->type != DCB_CONNECTOR_LVDS) - nv_connector->use_dithering = false; - switch (dcb->type) { case DCB_CONNECTOR_VGA: - connector->polled = DRM_CONNECTOR_POLL_CONNECT; if (dev_priv->card_type >= NV_50) { drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, @@ -858,17 +822,6 @@ nouveau_connector_create(struct drm_device *dev, case DCB_CONNECTOR_TV_3: nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; break; - case DCB_CONNECTOR_DP: - case DCB_CONNECTOR_eDP: - case DCB_CONNECTOR_HDMI_0: - case DCB_CONNECTOR_HDMI_1: - case DCB_CONNECTOR_DVI_I: - case DCB_CONNECTOR_DVI_D: - if (dev_priv->card_type >= NV_50) - connector->polled = DRM_CONNECTOR_POLL_HPD; - else - connector->polled = DRM_CONNECTOR_POLL_CONNECT; - /* fall-through */ default: nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; @@ -882,15 +835,15 @@ nouveau_connector_create(struct drm_device *dev, break; } + nouveau_connector_set_polling(connector); + drm_sysfs_connector_add(connector); + dcb->drm = connector; + return dcb->drm; - if (dcb->type == DCB_CONNECTOR_LVDS) { - ret = nouveau_connector_create_lvds(dev, connector); - if (ret) { - connector->funcs->destroy(connector); - return ret; - } - } +fail: + drm_connector_cleanup(connector); + kfree(connector); + return ERR_PTR(ret); - return 0; } |