From d17f395cdcec39033a481f96d75e8b3d3c41d43a Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 1 Jun 2010 13:32:42 +1000 Subject: [PATCH] drm/nouveau: move LVDS detection back to connector detect() time Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_connector.c | 202 +++++++++----------- 1 file changed, 87 insertions(+), 115 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 149ed224c3c..a8c44c9eedf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -236,20 +236,6 @@ nouveau_connector_detect(struct drm_connector *connector) 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; - } - /* Cleanup the previous EDID block. */ if (nv_connector->edid) { drm_mode_connector_update_edid_property(connector, NULL); @@ -321,6 +307,67 @@ 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; + + if (!dev_priv->vbios.fp_no_ddc) { + status = nouveau_connector_detect(connector); + if (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); + return status; +} + static void nouveau_connector_force(struct drm_connector *connector) { @@ -534,21 +581,28 @@ 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_display_mode mode; 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, &mode)) { + nv_connector->native_mode = drm_mode_duplicate(dev, &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 @@ -662,99 +716,28 @@ 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) { + 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 drm_connector *connector; struct drm_encoder *encoder; - int ret, type; + int type; NV_DEBUG_KMS(dev, "\n"); @@ -787,6 +770,7 @@ nouveau_connector_create(struct drm_device *dev, 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"); @@ -811,7 +795,7 @@ 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 */ @@ -841,9 +825,6 @@ 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; @@ -883,14 +864,5 @@ nouveau_connector_create(struct drm_device *dev, } drm_sysfs_connector_add(connector); - - if (dcb->type == DCB_CONNECTOR_LVDS) { - ret = nouveau_connector_create_lvds(dev, connector); - if (ret) { - connector->funcs->destroy(connector); - return ret; - } - } - return 0; } -- 2.46.0