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path: root/linux-core/nv50_kms_wrapper.c
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Diffstat (limited to 'linux-core/nv50_kms_wrapper.c')
-rw-r--r--linux-core/nv50_kms_wrapper.c92
1 files changed, 63 insertions, 29 deletions
diff --git a/linux-core/nv50_kms_wrapper.c b/linux-core/nv50_kms_wrapper.c
index 67836f3f..8b27f80b 100644
--- a/linux-core/nv50_kms_wrapper.c
+++ b/linux-core/nv50_kms_wrapper.c
@@ -386,7 +386,7 @@ int nv50_kms_crtc_set_config(struct drm_mode_set *set)
/* This is to ensure it knows the connector subtype. */
drm_connector->funcs->fill_modes(drm_connector, 0, 0);
- output = connector->to_output(connector, nv50_kms_connector_is_digital(drm_connector));
+ output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
if (!output) {
DRM_ERROR("No output\n");
goto out;
@@ -458,7 +458,7 @@ int nv50_kms_crtc_set_config(struct drm_mode_set *set)
goto out;
}
- output = connector->to_output(connector, nv50_kms_connector_is_digital(drm_connector));
+ output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
if (!output) {
DRM_ERROR("No output\n");
goto out;
@@ -835,7 +835,9 @@ static int nv50_kms_encoders_init(struct drm_device *dev)
* Connector functions
*/
-bool nv50_kms_connector_is_digital(struct drm_connector *drm_connector)
+
+/* These 2 functions wrap the connector properties that deal with multiple encoders per connector. */
+bool nv50_kms_connector_get_digital(struct drm_connector *drm_connector)
{
struct drm_device *dev = drm_connector->dev;
@@ -892,6 +894,33 @@ bool nv50_kms_connector_is_digital(struct drm_connector *drm_connector)
return false;
}
+static void nv50_kms_connector_set_digital(struct drm_connector *drm_connector, int digital, bool force)
+{
+ struct drm_device *dev = drm_connector->dev;
+
+ if (drm_connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+ uint64_t cur_value, new_value;
+
+ int rval = drm_connector_property_get_value(drm_connector, dev->mode_config.dvi_i_subconnector_property, &cur_value);
+ if (rval) {
+ DRM_ERROR("Unable to find subconnector property\n");
+ return;
+ }
+
+ /* Only set when unknown or when forced to do so. */
+ if (cur_value != DRM_MODE_SUBCONNECTOR_Unknown && !force)
+ return;
+
+ if (digital == 1)
+ new_value = DRM_MODE_SUBCONNECTOR_DVID;
+ else if (digital == 0)
+ new_value = DRM_MODE_SUBCONNECTOR_DVIA;
+ else
+ new_value = DRM_MODE_SUBCONNECTOR_Unknown;
+ drm_connector_property_set_value(drm_connector, dev->mode_config.dvi_i_subconnector_property, new_value);
+ }
+}
+
void nv50_kms_connector_detect_all(struct drm_device *dev)
{
struct drm_connector *drm_connector = NULL;
@@ -903,16 +932,32 @@ void nv50_kms_connector_detect_all(struct drm_device *dev)
static enum drm_connector_status nv50_kms_connector_detect(struct drm_connector *drm_connector)
{
- struct nv50_connector *connector = to_nv50_connector(drm_connector);
struct drm_device *dev = drm_connector->dev;
- bool connected;
- int old_status;
+ struct nv50_connector *connector = to_nv50_connector(drm_connector);
+ struct nv50_output *output = NULL;
+ int hpd_detect = 0, load_detect = 0, i2c_detect = 0;
+ int old_status = drm_connector->status;
- connected = connector->detect(connector);
+ /* hotplug detect */
+ hpd_detect = connector->hpd_detect(connector);
- old_status = drm_connector->status;
+ /* load detect */
+ output = connector->to_output(connector, FALSE); /* analog */
+ if (output && output->detect)
+ load_detect = output->detect(output);
- if (connected)
+ if (hpd_detect < 0 || load_detect < 0) /* did an error occur? */
+ i2c_detect = connector->i2c_detect(connector);
+
+ if (load_detect == 1) {
+ nv50_kms_connector_set_digital(drm_connector, 0, TRUE); /* analog, forced */
+ } else if (hpd_detect == 1 && load_detect == 0) {
+ nv50_kms_connector_set_digital(drm_connector, 1, TRUE); /* digital, forced */
+ } else {
+ nv50_kms_connector_set_digital(drm_connector, -1, TRUE); /* unknown, forced */
+ }
+
+ if (hpd_detect == 1 || load_detect == 1 || i2c_detect == 1)
drm_connector->status = connector_status_connected;
else
drm_connector->status = connector_status_disconnected;
@@ -956,7 +1001,7 @@ static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, u
struct nv50_connector *connector = to_nv50_connector(drm_connector);
struct drm_device *dev = drm_connector->dev;
int rval = 0;
- bool connected;
+ bool connected = false;
struct drm_display_mode *mode, *t;
struct edid *edid = NULL;
@@ -965,16 +1010,13 @@ static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, u
list_for_each_entry_safe(mode, t, &drm_connector->modes, head)
mode->status = MODE_UNVERIFIED;
- connected = connector->detect(connector);
+ if (nv50_kms_connector_detect(drm_connector) == connector_status_connected)
+ connected = true;
if (connected)
- drm_connector->status = connector_status_connected;
+ NV50_DEBUG("%s is connected\n", drm_get_connector_name(drm_connector));
else
- drm_connector->status = connector_status_disconnected;
-
- if (!connected) {
NV50_DEBUG("%s is disconnected\n", drm_get_connector_name(drm_connector));
- }
/* Not all connnectors have an i2c channel. */
if (connected && connector->i2c_chan)
@@ -986,16 +1028,8 @@ static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, u
if (edid) {
rval = drm_add_edid_modes(drm_connector, edid);
- /* 2 encoders per connector */
- /* eventually do this based on load detect and hot plug detect */
- if (drm_connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
- uint64_t subtype = 0;
- if (edid->digital)
- subtype = DRM_MODE_SUBCONNECTOR_DVID;
- else
- subtype = DRM_MODE_SUBCONNECTOR_DVIA;
- drm_connector_property_set_value(drm_connector, dev->mode_config.dvi_i_subconnector_property, subtype);
- }
+ /* Only update when relevant and when detect couldn't determine type. */
+ nv50_kms_connector_set_digital(drm_connector, edid->digital ? 1 : 0, FALSE);
kfree(edid);
}
@@ -1009,7 +1043,7 @@ static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, u
list_for_each_entry_safe(mode, t, &drm_connector->modes, head) {
if (mode->status == MODE_OK) {
struct nouveau_hw_mode *hw_mode = nv50_kms_to_hw_mode(mode);
- struct nv50_output *output = connector->to_output(connector, nv50_kms_connector_is_digital(drm_connector));
+ struct nv50_output *output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
mode->status = output->validate_mode(output, hw_mode);
/* find native mode, TODO: also check if we actually found one */
@@ -1025,7 +1059,7 @@ static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, u
list_for_each_entry_safe(mode, t, &drm_connector->modes, head) {
if (mode->status == MODE_OK) {
struct nouveau_hw_mode *hw_mode = nv50_kms_to_hw_mode(mode);
- struct nv50_output *output = connector->to_output(connector, nv50_kms_connector_is_digital(drm_connector));
+ struct nv50_output *output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
mode->status = output->validate_mode(output, hw_mode);
kfree(hw_mode);
@@ -1057,7 +1091,7 @@ static void nv50_kms_connector_fill_modes(struct drm_connector *drm_connector, u
/* also add it as native mode */
hw_mode = nv50_kms_to_hw_mode(mode);
- output = connector->to_output(connector, nv50_kms_connector_is_digital(drm_connector));
+ output = connector->to_output(connector, nv50_kms_connector_get_digital(drm_connector));
if (hw_mode)
*output->native_mode = *hw_mode;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 22:38:50 +0000