static int
intel_dp_ycbcr420_config(struct intel_dp *intel_dp,
- struct drm_connector *connector,
- struct intel_crtc_state *crtc_state)
+ struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct drm_connector *connector = conn_state->connector;
const struct drm_display_info *info = &connector->display_info;
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- int ret;
if (!drm_mode_is_420_only(info, adjusted_mode) ||
!intel_dp_get_colorimetry_status(intel_dp) ||
crtc_state->output_format = INTEL_OUTPUT_FORMAT_YCBCR420;
- /* YCBCR 420 output conversion needs a scaler */
- ret = skl_update_scaler_crtc(crtc_state);
- if (ret) {
- drm_dbg_kms(&i915->drm,
- "Scaler allocation for output failed\n");
- return ret;
- }
-
- intel_pch_panel_fitting(crtc, crtc_state, DRM_MODE_SCALE_FULLSCREEN);
-
- return 0;
+ return intel_pch_panel_fitting(crtc_state, conn_state);
}
bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
enum port port = encoder->port;
- struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
struct intel_connector *intel_connector = intel_dp->attached_connector;
struct intel_digital_connector_state *intel_conn_state =
to_intel_digital_connector_state(conn_state);
if (lspcon->active)
lspcon_ycbcr420_config(&intel_connector->base, pipe_config);
else
- ret = intel_dp_ycbcr420_config(intel_dp, &intel_connector->base,
- pipe_config);
-
+ ret = intel_dp_ycbcr420_config(intel_dp, pipe_config,
+ conn_state);
if (ret)
return ret;
intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
adjusted_mode);
- if (INTEL_GEN(dev_priv) >= 9) {
- ret = skl_update_scaler_crtc(pipe_config);
- if (ret)
- return ret;
- }
-
if (HAS_GMCH(dev_priv))
- intel_gmch_panel_fitting(intel_crtc, pipe_config,
- conn_state->scaling_mode);
+ ret = intel_gmch_panel_fitting(pipe_config, conn_state);
else
- intel_pch_panel_fitting(intel_crtc, pipe_config,
- conn_state->scaling_mode);
+ ret = intel_pch_panel_fitting(pipe_config, conn_state);
+ if (ret)
+ return ret;
}
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
intel_dp_check_mst_status(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ bool need_retrain = false;
if (!intel_dp->is_mst)
return -EINVAL;
}
/* check link status - esi[10] = 0x200c */
- /*
- * FIXME kill this and use the SST retraining approach
- * for MST as well.
- */
- if (intel_dp->active_mst_links > 0 &&
+ if (intel_dp->active_mst_links > 0 && !need_retrain &&
!drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
drm_dbg_kms(&i915->drm,
"channel EQ not ok, retraining\n");
- intel_dp_start_link_train(intel_dp);
- intel_dp_stop_link_train(intel_dp);
+ need_retrain = true;
}
drm_dbg_kms(&i915->drm, "got esi %3ph\n", esi);
}
}
- return 0;
+ return need_retrain;
}
static bool
return !drm_dp_channel_eq_ok(link_status, intel_dp->lane_count);
}
+static bool intel_dp_has_connector(struct intel_dp *intel_dp,
+ const struct drm_connector_state *conn_state)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct intel_encoder *encoder;
+ enum pipe pipe;
+
+ if (!conn_state->best_encoder)
+ return false;
+
+ /* SST */
+ encoder = &dp_to_dig_port(intel_dp)->base;
+ if (conn_state->best_encoder == &encoder->base)
+ return true;
+
+ /* MST */
+ for_each_pipe(i915, pipe) {
+ encoder = &intel_dp->mst_encoders[pipe]->base;
+ if (conn_state->best_encoder == &encoder->base)
+ return true;
+ }
+
+ return false;
+}
+
+static int intel_dp_prep_link_retrain(struct intel_dp *intel_dp,
+ struct drm_modeset_acquire_ctx *ctx,
+ u32 *crtc_mask)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct drm_connector_list_iter conn_iter;
+ struct intel_connector *connector;
+ int ret = 0;
+
+ *crtc_mask = 0;
+
+ if (!intel_dp_needs_link_retrain(intel_dp))
+ return 0;
+
+ drm_connector_list_iter_begin(&i915->drm, &conn_iter);
+ for_each_intel_connector_iter(connector, &conn_iter) {
+ struct drm_connector_state *conn_state =
+ connector->base.state;
+ struct intel_crtc_state *crtc_state;
+ struct intel_crtc *crtc;
+
+ if (!intel_dp_has_connector(intel_dp, conn_state))
+ continue;
+
+ crtc = to_intel_crtc(conn_state->crtc);
+ if (!crtc)
+ continue;
+
+ ret = drm_modeset_lock(&crtc->base.mutex, ctx);
+ if (ret)
+ break;
+
+ crtc_state = to_intel_crtc_state(crtc->base.state);
+
+ drm_WARN_ON(&i915->drm, !intel_crtc_has_dp_encoder(crtc_state));
+
+ if (!crtc_state->hw.active)
+ continue;
+
+ if (conn_state->commit &&
+ !try_wait_for_completion(&conn_state->commit->hw_done))
+ continue;
+
+ *crtc_mask |= drm_crtc_mask(&crtc->base);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ if (!intel_dp_needs_link_retrain(intel_dp))
+ *crtc_mask = 0;
+
+ return ret;
+}
+
+static bool intel_dp_is_connected(struct intel_dp *intel_dp)
+{
+ struct intel_connector *connector = intel_dp->attached_connector;
+
+ return connector->base.status == connector_status_connected ||
+ intel_dp->is_mst;
+}
+
int intel_dp_retrain_link(struct intel_encoder *encoder,
struct drm_modeset_acquire_ctx *ctx)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
- struct intel_connector *connector = intel_dp->attached_connector;
- struct drm_connector_state *conn_state;
- struct intel_crtc_state *crtc_state;
struct intel_crtc *crtc;
+ u32 crtc_mask;
int ret;
- /* FIXME handle the MST connectors as well */
-
- if (!connector || connector->base.status != connector_status_connected)
+ if (!intel_dp_is_connected(intel_dp))
return 0;
ret = drm_modeset_lock(&dev_priv->drm.mode_config.connection_mutex,
if (ret)
return ret;
- conn_state = connector->base.state;
-
- crtc = to_intel_crtc(conn_state->crtc);
- if (!crtc)
- return 0;
-
- ret = drm_modeset_lock(&crtc->base.mutex, ctx);
+ ret = intel_dp_prep_link_retrain(intel_dp, ctx, &crtc_mask);
if (ret)
return ret;
- crtc_state = to_intel_crtc_state(crtc->base.state);
-
- drm_WARN_ON(&dev_priv->drm, !intel_crtc_has_dp_encoder(crtc_state));
-
- if (!crtc_state->hw.active)
+ if (crtc_mask == 0)
return 0;
- if (conn_state->commit &&
- !try_wait_for_completion(&conn_state->commit->hw_done))
- return 0;
+ drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] retraining link\n",
+ encoder->base.base.id, encoder->base.name);
- if (!intel_dp_needs_link_retrain(intel_dp))
- return 0;
+ for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) {
+ const struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
- /* Suppress underruns caused by re-training */
- intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, false);
- if (crtc_state->has_pch_encoder)
- intel_set_pch_fifo_underrun_reporting(dev_priv,
- intel_crtc_pch_transcoder(crtc), false);
+ /* Suppress underruns caused by re-training */
+ intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, false);
+ if (crtc_state->has_pch_encoder)
+ intel_set_pch_fifo_underrun_reporting(dev_priv,
+ intel_crtc_pch_transcoder(crtc), false);
+ }
intel_dp_start_link_train(intel_dp);
intel_dp_stop_link_train(intel_dp);
- /* Keep underrun reporting disabled until things are stable */
- intel_wait_for_vblank(dev_priv, crtc->pipe);
+ for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) {
+ const struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
- intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true);
- if (crtc_state->has_pch_encoder)
- intel_set_pch_fifo_underrun_reporting(dev_priv,
- intel_crtc_pch_transcoder(crtc), true);
+ /* Keep underrun reporting disabled until things are stable */
+ intel_wait_for_vblank(dev_priv, crtc->pipe);
+
+ intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true);
+ if (crtc_state->has_pch_encoder)
+ intel_set_pch_fifo_underrun_reporting(dev_priv,
+ intel_crtc_pch_transcoder(crtc), true);
+ }
return 0;
}
0, 0 },
};
-static inline
-int intel_dp_hdcp2_read_rx_status(struct intel_digital_port *intel_dig_port,
- u8 *rx_status)
+static int
+intel_dp_hdcp2_read_rx_status(struct intel_digital_port *intel_dig_port,
+ u8 *rx_status)
{
struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
}
if (intel_dp->is_mst) {
- if (intel_dp_check_mst_status(intel_dp) == -EINVAL) {
+ switch (intel_dp_check_mst_status(intel_dp)) {
+ case -EINVAL:
/*
* If we were in MST mode, and device is not
* there, get out of MST mode
intel_dp->is_mst);
return IRQ_NONE;
+ case 1:
+ return IRQ_NONE;
+ default:
+ break;
}
}
projects / linux-2.6-microblaze.git / blobdiff