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path: root/drivers/gpu/drm/nouveau/nouveau_connector.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c404
1 files changed, 181 insertions, 223 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 149ed224c3cb..734e92635e83 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -102,63 +102,15 @@ 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 +123,9 @@ 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 +178,7 @@ 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 +189,7 @@ 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 +249,85 @@ 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)
{
@@ -441,7 +448,8 @@ 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 +542,27 @@ 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;
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
@@ -569,7 +583,8 @@ nouveau_connector_get_modes(struct drm_connector *connector)
ret = get_slave_funcs(nv_encoder)->
get_modes(to_drm_encoder(nv_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;
@@ -643,6 +658,44 @@ 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 +715,74 @@ 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 +790,21 @@ 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 +814,8 @@ 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 +827,6 @@ 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 +840,15 @@ 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;
}