diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 96 |
1 files changed, 55 insertions, 41 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index cba68c5a80fa..44f3fd251ca1 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -50,7 +50,7 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; void *port = connector->port; - bool constant_n = drm_dp_has_quirk(&intel_dp->desc, + bool constant_n = drm_dp_has_quirk(&intel_dp->desc, 0, DP_DPCD_QUIRK_CONSTANT_N); int bpp, slots = -EINVAL; @@ -352,8 +352,9 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder, intel_dp->active_mst_links--; last_mst_stream = intel_dp->active_mst_links == 0; - WARN_ON(INTEL_GEN(dev_priv) >= 12 && last_mst_stream && - !intel_dp_mst_is_master_trans(old_crtc_state)); + drm_WARN_ON(&dev_priv->drm, + INTEL_GEN(dev_priv) >= 12 && last_mst_stream && + !intel_dp_mst_is_master_trans(old_crtc_state)); intel_crtc_vblank_off(old_crtc_state); @@ -361,9 +362,12 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder, drm_dp_update_payload_part2(&intel_dp->mst_mgr); - val = I915_READ(TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder)); + val = intel_de_read(dev_priv, + TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder)); val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - I915_WRITE(TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), val); + intel_de_write(dev_priv, + TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), + val); if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status, DP_TP_STATUS_ACT_SENT, 1)) @@ -437,8 +441,9 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder, connector->encoder = encoder; intel_mst->connector = connector; first_mst_stream = intel_dp->active_mst_links == 0; - WARN_ON(INTEL_GEN(dev_priv) >= 12 && first_mst_stream && - !intel_dp_mst_is_master_trans(pipe_config)); + drm_WARN_ON(&dev_priv->drm, + INTEL_GEN(dev_priv) >= 12 && first_mst_stream && + !intel_dp_mst_is_master_trans(pipe_config)); DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links); @@ -459,8 +464,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder, DRM_ERROR("failed to allocate vcpi\n"); intel_dp->active_mst_links++; - temp = I915_READ(intel_dp->regs.dp_tp_status); - I915_WRITE(intel_dp->regs.dp_tp_status, temp); + temp = intel_de_read(dev_priv, intel_dp->regs.dp_tp_status); + intel_de_write(dev_priv, intel_dp->regs.dp_tp_status, temp); ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); @@ -475,6 +480,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder, intel_ddi_enable_pipe_clock(pipe_config); intel_ddi_set_dp_msa(pipe_config, conn_state); + + intel_dp_set_m_n(pipe_config, M1_N1); } static void intel_mst_enable_dp(struct intel_encoder *encoder, @@ -486,6 +493,12 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder, struct intel_dp *intel_dp = &intel_dig_port->dp; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + drm_WARN_ON(&dev_priv->drm, pipe_config->has_pch_encoder); + + intel_enable_pipe(pipe_config); + + intel_crtc_vblank_on(pipe_config); + DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links); if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status, @@ -535,12 +548,41 @@ static int intel_dp_mst_get_ddc_modes(struct drm_connector *connector) return ret; } +static int +intel_dp_mst_connector_late_register(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + int ret; + + ret = drm_dp_mst_connector_late_register(connector, + intel_connector->port); + if (ret < 0) + return ret; + + ret = intel_connector_register(connector); + if (ret < 0) + drm_dp_mst_connector_early_unregister(connector, + intel_connector->port); + + return ret; +} + +static void +intel_dp_mst_connector_early_unregister(struct drm_connector *connector) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + + intel_connector_unregister(connector); + drm_dp_mst_connector_early_unregister(connector, + intel_connector->port); +} + static const struct drm_connector_funcs intel_dp_mst_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, .atomic_get_property = intel_digital_connector_atomic_get_property, .atomic_set_property = intel_digital_connector_atomic_set_property, - .late_register = intel_connector_register, - .early_unregister = intel_connector_unregister, + .late_register = intel_dp_mst_connector_late_register, + .early_unregister = intel_dp_mst_connector_early_unregister, .destroy = intel_connector_destroy, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .atomic_duplicate_state = intel_digital_connector_duplicate_state, @@ -632,9 +674,9 @@ static const struct drm_encoder_funcs intel_dp_mst_enc_funcs = { static bool intel_dp_mst_get_hw_state(struct intel_connector *connector) { - if (connector->encoder && connector->base.state->crtc) { + if (intel_attached_encoder(connector) && connector->base.state->crtc) { enum pipe pipe; - if (!connector->encoder->get_hw_state(connector->encoder, &pipe)) + if (!intel_attached_encoder(connector)->get_hw_state(intel_attached_encoder(connector), &pipe)) return false; return true; } @@ -706,36 +748,8 @@ err: return NULL; } -static void intel_dp_register_mst_connector(struct drm_connector *connector) -{ - struct drm_i915_private *dev_priv = to_i915(connector->dev); - - if (dev_priv->fbdev) - drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper, - connector); - - drm_connector_register(connector); -} - -static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, - struct drm_connector *connector) -{ - struct drm_i915_private *dev_priv = to_i915(connector->dev); - - DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); - drm_connector_unregister(connector); - - if (dev_priv->fbdev) - drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper, - connector); - - drm_connector_put(connector); -} - static const struct drm_dp_mst_topology_cbs mst_cbs = { .add_connector = intel_dp_add_mst_connector, - .register_connector = intel_dp_register_mst_connector, - .destroy_connector = intel_dp_destroy_mst_connector, }; static struct intel_dp_mst_encoder * |