From patchwork Tue Oct 5 20:23:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 12537839 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82AD3C433FE for ; Tue, 5 Oct 2021 20:25:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6667961507 for ; Tue, 5 Oct 2021 20:25:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232250AbhJEU1N (ORCPT ); Tue, 5 Oct 2021 16:27:13 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:53099 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230057AbhJEU1N (ORCPT ); Tue, 5 Oct 2021 16:27:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633465521; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0FDsFn4M6KtzuWSKknYokUFRI7KuSR5I8s5sDnfIPzk=; b=d04ZFabx1HrQAG14MZ+Wpn3rQfxvoMPNhKvZ6BF6i3v508DNYG4kDWyGjevNPnu/w/WeNW 2CGOa90f8FtbuePoYAPkCRJ8XPi082DtxQlNrENDd0tv4eap/HSQttWii9s9yZDsbSb/B8 DZ4bWliSZqChtfiwj6EaVixERgh2hWc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-123-gQcSDQJKOb-qGv1xCjpnoA-1; Tue, 05 Oct 2021 16:25:18 -0400 X-MC-Unique: gQcSDQJKOb-qGv1xCjpnoA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 767A3802C91; Tue, 5 Oct 2021 20:25:15 +0000 (UTC) Received: from x1.localdomain (unknown [10.39.192.128]) by smtp.corp.redhat.com (Postfix) with ESMTP id AFC4A60C05; Tue, 5 Oct 2021 20:25:08 +0000 (UTC) From: Hans de Goede To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rajat Jain , Jani Nikula , Lyude , Joonas Lahtinen , Rodrigo Vivi , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Mark Gross , Andy Shevchenko Cc: Hans de Goede , Daniel Vetter , David Airlie , Pekka Paalanen , Mario Limonciello , Mark Pearson , Sebastien Bacher , Marco Trevisan , Emil Velikov , intel-gfx , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org Subject: [PATCH 10/10] drm/i915: Add privacy-screen support (v3) Date: Tue, 5 Oct 2021 22:23:22 +0200 Message-Id: <20211005202322.700909-11-hdegoede@redhat.com> In-Reply-To: <20211005202322.700909-1-hdegoede@redhat.com> References: <20211005202322.700909-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Add support for eDP panels with a built-in privacy screen using the new drm_privacy_screen class. Changes in v3: - Move drm_privacy_screen_get() call to intel_ddi_init_dp_connector() Changes in v2: - Call drm_connector_update_privacy_screen() from intel_enable_ddi_dp() / intel_ddi_update_pipe_dp() instead of adding a for_each_new_connector_in_state() loop to intel_atomic_commit_tail() - Move the probe-deferral check to the intel_modeset_probe_defer() helper Signed-off-by: Hans de Goede Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_atomic.c | 1 + drivers/gpu/drm/i915/display/intel_ddi.c | 16 ++++++++++++++++ drivers/gpu/drm/i915/display/intel_display.c | 10 ++++++++++ 3 files changed, 27 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c index b4e7ac51aa31..a62550711e98 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic.c +++ b/drivers/gpu/drm/i915/display/intel_atomic.c @@ -139,6 +139,7 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn, new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio || new_conn_state->base.content_type != old_conn_state->base.content_type || new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode || + new_conn_state->base.privacy_screen_sw_state != old_conn_state->base.privacy_screen_sw_state || !drm_connector_atomic_hdr_metadata_equal(old_state, new_state)) crtc_state->mode_changed = true; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 0d4cf7fa8720..272714e07cc6 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -25,6 +25,7 @@ * */ +#include #include #include "i915_drv.h" @@ -2946,6 +2947,7 @@ static void intel_enable_ddi_dp(struct intel_atomic_state *state, if (port == PORT_A && DISPLAY_VER(dev_priv) < 9) intel_dp_stop_link_train(intel_dp, crtc_state); + drm_connector_update_privacy_screen(conn_state); intel_edp_backlight_on(crtc_state, conn_state); if (!dig_port->lspcon.active || dig_port->dp.has_hdmi_sink) @@ -3161,6 +3163,7 @@ static void intel_ddi_update_pipe_dp(struct intel_atomic_state *state, intel_drrs_update(intel_dp, crtc_state); intel_backlight_update(state, encoder, crtc_state, conn_state); + drm_connector_update_privacy_screen(conn_state); } void intel_ddi_update_pipe(struct intel_atomic_state *state, @@ -3979,6 +3982,19 @@ intel_ddi_init_dp_connector(struct intel_digital_port *dig_port) return NULL; } + if (dig_port->base.type == INTEL_OUTPUT_EDP) { + struct drm_device *dev = dig_port->base.base.dev; + struct drm_privacy_screen *privacy_screen; + + privacy_screen = drm_privacy_screen_get(dev->dev, NULL); + if (!IS_ERR(privacy_screen)) { + drm_connector_attach_privacy_screen_provider(&connector->base, + privacy_screen); + } else if (PTR_ERR(privacy_screen) != -ENODEV) { + drm_warn(dev, "Error getting privacy-screen\n"); + } + } + return connector; } diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 86dbe366a907..84715a779d9d 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -42,6 +42,7 @@ #include #include #include +#include #include #include @@ -12769,6 +12770,8 @@ void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915) bool intel_modeset_probe_defer(struct pci_dev *pdev) { + struct drm_privacy_screen *privacy_screen; + /* * apple-gmux is needed on dual GPU MacBook Pro * to probe the panel if we're the inactive GPU. @@ -12776,6 +12779,13 @@ bool intel_modeset_probe_defer(struct pci_dev *pdev) if (vga_switcheroo_client_probe_defer(pdev)) return true; + /* If the LCD panel has a privacy-screen, wait for it */ + privacy_screen = drm_privacy_screen_get(&pdev->dev, NULL); + if (IS_ERR(privacy_screen) && PTR_ERR(privacy_screen) == -EPROBE_DEFER) + return true; + + drm_privacy_screen_put(privacy_screen); + return false; }