From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752898AbeDKXpG (ORCPT ); Wed, 11 Apr 2018 19:45:06 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:41346 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752065AbeDKXnN (ORCPT ); Wed, 11 Apr 2018 19:43:13 -0400 From: Lyude Paul To: intel-gfx@lists.freedesktop.org Cc: Manasi Navare , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 02/10] drm/i915: Move DP modeset retry work into intel_dp Date: Wed, 11 Apr 2018 19:42:41 -0400 Message-Id: <20180411234302.2896-3-lyude@redhat.com> In-Reply-To: <20180411234302.2896-1-lyude@redhat.com> References: <20180411234302.2896-1-lyude@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While having the modeset_retry_work in intel_connector makes sense with SST, this paradigm doesn't make a whole ton of sense when it comes to MST since we have to deal with multiple connectors. In most cases, it's more useful to just use the intel_dp struct since it indicates whether or not we're dealing with an MST device, along with being able to easily trace the intel_dp struct back to it's respective connector (if there is any). So, move the modeset_retry_work function out of the intel_connector struct and into intel_dp. Signed-off-by: Lyude Paul Reviewed-by: Manasi Navare Cc: Manasi Navare Cc: Ville Syrjälä V2: - Remove accidental duplicate modeset_retry_work in intel_connector V3: - Also check against eDP in intel_hpd_poll_fini() - mdnavare V4: - Don't bother looping over connectors for canceling modeset rety work, just encoders. V7: - Fix CHECKPATCH errors --- drivers/gpu/drm/i915/intel_display.c | 14 +++++++++++--- drivers/gpu/drm/i915/intel_dp.c | 10 ++++------ drivers/gpu/drm/i915/intel_dp_link_training.c | 2 +- drivers/gpu/drm/i915/intel_drv.h | 6 +++--- 4 files changed, 19 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e04050ea3e28..18edb9628a54 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15471,20 +15471,28 @@ void intel_connector_unregister(struct drm_connector *connector) static void intel_hpd_poll_fini(struct drm_device *dev) { - struct intel_connector *connector; struct drm_connector_list_iter conn_iter; + struct intel_connector *connector; + struct intel_encoder *encoder; + struct intel_dp *intel_dp; /* Kill all the work that may have been queued by hpd. */ drm_connector_list_iter_begin(dev, &conn_iter); for_each_intel_connector_iter(connector, &conn_iter) { - if (connector->modeset_retry_work.func) - cancel_work_sync(&connector->modeset_retry_work); if (connector->hdcp_shim) { cancel_delayed_work_sync(&connector->hdcp_check_work); cancel_work_sync(&connector->hdcp_prop_work); } } drm_connector_list_iter_end(&conn_iter); + + for_each_intel_encoder(dev, encoder) { + if (encoder->type == INTEL_OUTPUT_DP || + encoder->type == INTEL_OUTPUT_EDP) { + intel_dp = enc_to_intel_dp(&encoder->base); + cancel_work_sync(&intel_dp->modeset_retry_work); + } + } } void intel_modeset_cleanup(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 62f82c4298ac..fbb467bc227d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -6249,12 +6249,10 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, static void intel_dp_modeset_retry_work_fn(struct work_struct *work) { - struct intel_connector *intel_connector; - struct drm_connector *connector; + struct intel_dp *intel_dp = container_of(work, typeof(*intel_dp), + modeset_retry_work); + struct drm_connector *connector = &intel_dp->attached_connector->base; - intel_connector = container_of(work, typeof(*intel_connector), - modeset_retry_work); - connector = &intel_connector->base; DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); @@ -6283,7 +6281,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, int type; /* Initialize the work for modeset in case of link train failure */ - INIT_WORK(&intel_connector->modeset_retry_work, + INIT_WORK(&intel_dp->modeset_retry_work, intel_dp_modeset_retry_work_fn); if (WARN(intel_dig_port->max_lanes < 1, diff --git a/drivers/gpu/drm/i915/intel_dp_link_training.c b/drivers/gpu/drm/i915/intel_dp_link_training.c index f59b59bb0a21..2cfa58ce1f95 100644 --- a/drivers/gpu/drm/i915/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/intel_dp_link_training.c @@ -340,7 +340,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) intel_dp->link_rate, intel_dp->lane_count)) /* Schedule a Hotplug Uevent to userspace to start modeset */ - schedule_work(&intel_connector->modeset_retry_work); + schedule_work(&intel_dp->modeset_retry_work); } else { DRM_ERROR("[CONNECTOR:%d:%s] Link Training failed at link rate = %d, lane count = %d", intel_connector->base.base.id, diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 5bd2263407b2..742d53495974 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -406,9 +406,6 @@ struct intel_connector { struct intel_dp *mst_port; - /* Work struct to schedule a uevent on link train failure */ - struct work_struct modeset_retry_work; - const struct intel_hdcp_shim *hdcp_shim; struct mutex hdcp_mutex; uint64_t hdcp_value; /* protected by hdcp_mutex */ @@ -1143,6 +1140,9 @@ struct intel_dp { /* Displayport compliance testing */ struct intel_dp_compliance compliance; + + /* Work struct to schedule a uevent on link train failure */ + struct work_struct modeset_retry_work; }; struct intel_lspcon { -- 2.14.3