}
}
-static void
-intel_dp_extended_receiver_capabilities(struct intel_dp *intel_dp)
-{
- struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- u8 dpcd_ext[6];
-
- /*
- * Prior to DP1.3 the bit represented by
- * DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT was reserved.
- * if it is set DP_DPCD_REV at 0000h could be at a value less than
- * the true capability of the panel. The only way to check is to
- * then compare 0000h and 2200h.
- */
- if (!(intel_dp->dpcd[DP_TRAINING_AUX_RD_INTERVAL] &
- DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT))
- return;
-
- if (drm_dp_dpcd_read(&intel_dp->aux, DP_DP13_DPCD_REV,
- &dpcd_ext, sizeof(dpcd_ext)) != sizeof(dpcd_ext)) {
- drm_err(&i915->drm,
- "DPCD failed read at extended capabilities\n");
- return;
- }
-
- if (intel_dp->dpcd[DP_DPCD_REV] > dpcd_ext[DP_DPCD_REV]) {
- drm_dbg_kms(&i915->drm,
- "DPCD extended DPCD rev less than base DPCD rev\n");
- return;
- }
-
- if (!memcmp(intel_dp->dpcd, dpcd_ext, sizeof(dpcd_ext)))
- return;
-
- drm_dbg_kms(&i915->drm, "Base DPCD: %*ph\n",
- (int)sizeof(intel_dp->dpcd), intel_dp->dpcd);
-
- memcpy(intel_dp->dpcd, dpcd_ext, sizeof(dpcd_ext));
-}
-
-bool
-intel_dp_read_dpcd(struct intel_dp *intel_dp)
-{
- struct drm_i915_private *i915 = dp_to_i915(intel_dp);
-
- if (drm_dp_dpcd_read(&intel_dp->aux, 0x000, intel_dp->dpcd,
- sizeof(intel_dp->dpcd)) < 0)
- return false; /* aux transfer failed */
-
- intel_dp_extended_receiver_capabilities(intel_dp);
-
- drm_dbg_kms(&i915->drm, "DPCD: %*ph\n", (int)sizeof(intel_dp->dpcd),
- intel_dp->dpcd);
-
- return intel_dp->dpcd[DP_DPCD_REV] != 0;
-}
-
bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)
{
u8 dprx = 0;
/* this function is meant to be called only once */
drm_WARN_ON(&dev_priv->drm, intel_dp->dpcd[DP_DPCD_REV] != 0);
- if (!intel_dp_read_dpcd(intel_dp))
+ if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd) != 0)
return false;
drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc,
return true;
}
+static bool
+intel_dp_has_sink_count(struct intel_dp *intel_dp)
+{
+ if (!intel_dp->attached_connector)
+ return false;
+
+ return drm_dp_read_sink_count_cap(&intel_dp->attached_connector->base,
+ intel_dp->dpcd,
+ &intel_dp->desc);
+}
static bool
intel_dp_get_dpcd(struct intel_dp *intel_dp)
{
- if (!intel_dp_read_dpcd(intel_dp))
+ int ret;
+
+ if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd))
return false;
/*
intel_dp_set_common_rates(intel_dp);
}
- /*
- * Some eDP panels do not set a valid value for sink count, that is why
- * it don't care about read it here and in intel_edp_init_dpcd().
- */
- if (!intel_dp_is_edp(intel_dp) &&
- !drm_dp_has_quirk(&intel_dp->desc, 0,
- DP_DPCD_QUIRK_NO_SINK_COUNT)) {
- u8 count;
- ssize_t r;
-
- r = drm_dp_dpcd_readb(&intel_dp->aux, DP_SINK_COUNT, &count);
- if (r < 1)
+ if (intel_dp_has_sink_count(intel_dp)) {
+ ret = drm_dp_read_sink_count(&intel_dp->aux);
+ if (ret < 0)
return false;
/*
* a member variable in intel_dp will track any changes
* between short pulse interrupts.
*/
- intel_dp->sink_count = DP_GET_SINK_COUNT(count);
+ intel_dp->sink_count = ret;
/*
* SINK_COUNT == 0 and DOWNSTREAM_PORT_PRESENT == 1 implies that
return false;
}
- if (!drm_dp_is_branch(intel_dp->dpcd))
- return true; /* native DP sink */
-
- if (intel_dp->dpcd[DP_DPCD_REV] == 0x10)
- return true; /* no per-port downstream info */
-
- if (drm_dp_dpcd_read(&intel_dp->aux, DP_DOWNSTREAM_PORT_0,
- intel_dp->downstream_ports,
- DP_MAX_DOWNSTREAM_PORTS) < 0)
- return false; /* downstream port status fetch failed */
-
- return true;
-}
-
-static bool
-intel_dp_sink_can_mst(struct intel_dp *intel_dp)
-{
- u8 mstm_cap;
-
- if (intel_dp->dpcd[DP_DPCD_REV] < 0x12)
- return false;
-
- if (drm_dp_dpcd_readb(&intel_dp->aux, DP_MSTM_CAP, &mstm_cap) != 1)
- return false;
-
- return mstm_cap & DP_MST_CAP;
+ return drm_dp_read_downstream_info(&intel_dp->aux, intel_dp->dpcd,
+ intel_dp->downstream_ports) == 0;
}
static bool
return i915->params.enable_dp_mst &&
intel_dp->can_mst &&
- intel_dp_sink_can_mst(intel_dp);
+ drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);
}
static void
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_encoder *encoder =
&dp_to_dig_port(intel_dp)->base;
- bool sink_can_mst = intel_dp_sink_can_mst(intel_dp);
+ bool sink_can_mst = drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);
drm_dbg_kms(&i915->drm,
"[ENCODER:%d:%s] MST support: port: %s, sink: %s, modparam: %s\n",
return connector_status_connected;
/* If we're HPD-aware, SINK_COUNT changes dynamically */
- if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
+ if (intel_dp_has_sink_count(intel_dp) &&
intel_dp->downstream_ports[0] & DP_DS_PORT_HPD) {
-
return intel_dp->sink_count ?
connector_status_connected : connector_status_disconnected;
}
*/
intel_display_power_flush_work(dev_priv);
+ if (!intel_dp_is_edp(intel_dp))
+ drm_dp_set_subconnector_property(connector,
+ status,
+ intel_dp->dpcd,
+ intel_dp->downstream_ports);
return status;
}
struct drm_i915_private *dev_priv = to_i915(connector->dev);
enum port port = dp_to_dig_port(intel_dp)->base.port;
+ if (!intel_dp_is_edp(intel_dp))
+ drm_connector_attach_dp_subconnector_property(connector);
+
if (!IS_G4X(dev_priv) && port != PORT_A)
intel_attach_force_audio_property(connector);
projects / linux-2.6-microblaze.git / blobdiff