From mboxrd@z Thu Jan 1 00:00:00 1970 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 377BBC433FE for ; Mon, 11 Oct 2021 14:07:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1BD92604DB for ; Mon, 11 Oct 2021 14:07:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238672AbhJKOJm (ORCPT ); Mon, 11 Oct 2021 10:09:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:56936 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238347AbhJKOGX (ORCPT ); Mon, 11 Oct 2021 10:06:23 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A421E60555; Mon, 11 Oct 2021 14:00:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1633960818; bh=r/erOr2wd/wJui34zFBL7qz8H06wFIkkeP3HPhTbx60=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=suK5B5ZQ/pkdu7bnJpUt9/3BZvNSaMYwio4nF7HTWrxWcqBol88btJ6WiuY7T7MFF hSkshDcfqzTusJyPRD/FwcjZo6fBJdUJPzcr6NVbQgqtYtc19TBNs/I4zPnVgCHvpB HTTsLD6yumZV9aY0GgcxkFllcsVUDv1hsy5pZ3k8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Imre Deak , Jani Nikula , Sasha Levin Subject: [PATCH 5.14 084/151] drm/i915/tc: Fix TypeC port init/resume time sanitization Date: Mon, 11 Oct 2021 15:45:56 +0200 Message-Id: <20211011134520.559349738@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211011134517.833565002@linuxfoundation.org> References: <20211011134517.833565002@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Imre Deak [ Upstream commit a532cde31de3cae6ed60e60d6f9379771f652809 ] Atm during driver loading and system resume TypeC ports are accessed before their HW/SW state is synced. Move the TypeC port sanitization to the encoder's sync_state hook to fix this. v2: Handle the encoder disabled case in gen11_dsi_sync_state() as well (Jose, Jani) Fixes: f9e76a6e68d3 ("drm/i915: Add an encoder hook to sanitize its state during init/resume") Cc: José Roberto de Souza Cc: Ville Syrjälä Signed-off-by: Imre Deak Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210929132833.2253961-1-imre.deak@intel.com (cherry picked from commit 7194dc998dfffca096c30b3cd39625158608992d) Signed-off-by: Jani Nikula Signed-off-by: Sasha Levin --- drivers/gpu/drm/i915/display/icl_dsi.c | 10 ++++++++-- drivers/gpu/drm/i915/display/intel_ddi.c | 8 +++++++- drivers/gpu/drm/i915/display/intel_display.c | 20 +++++--------------- 3 files changed, 20 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 970ba9e7f84e..13bafa9d49c0 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1577,8 +1577,14 @@ static void gen11_dsi_sync_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc); - enum pipe pipe = intel_crtc->pipe; + struct intel_crtc *intel_crtc; + enum pipe pipe; + + if (!crtc_state) + return; + + intel_crtc = to_intel_crtc(crtc_state->uapi.crtc); + pipe = intel_crtc->pipe; /* wa verify 1409054076:icl,jsl,ehl */ if (DISPLAY_VER(dev_priv) == 11 && pipe == PIPE_B && diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 00dade49665b..89a109f65f38 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3899,7 +3899,13 @@ void hsw_ddi_get_config(struct intel_encoder *encoder, static void intel_ddi_sync_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - if (intel_crtc_has_dp_encoder(crtc_state)) + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_phy_is_tc(i915, phy)) + intel_tc_port_sanitize(enc_to_dig_port(encoder)); + + if (crtc_state && intel_crtc_has_dp_encoder(crtc_state)) intel_dp_sync_state(encoder, crtc_state); } diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 0a8a2395c8ac..bb1d2b19be15 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -12933,18 +12933,16 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) readout_plane_state(dev_priv); for_each_intel_encoder(dev, encoder) { + struct intel_crtc_state *crtc_state = NULL; + pipe = 0; if (encoder->get_hw_state(encoder, &pipe)) { - struct intel_crtc_state *crtc_state; - crtc = intel_get_crtc_for_pipe(dev_priv, pipe); crtc_state = to_intel_crtc_state(crtc->base.state); encoder->base.crtc = &crtc->base; intel_encoder_get_config(encoder, crtc_state); - if (encoder->sync_state) - encoder->sync_state(encoder, crtc_state); /* read out to slave crtc as well for bigjoiner */ if (crtc_state->bigjoiner) { @@ -12959,6 +12957,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) encoder->base.crtc = NULL; } + if (encoder->sync_state) + encoder->sync_state(encoder, crtc_state); + drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", encoder->base.base.id, encoder->base.name, @@ -13241,17 +13242,6 @@ intel_modeset_setup_hw_state(struct drm_device *dev, intel_modeset_readout_hw_state(dev); /* HW state is read out, now we need to sanitize this mess. */ - - /* Sanitize the TypeC port mode upfront, encoders depend on this */ - for_each_intel_encoder(dev, encoder) { - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - /* We need to sanitize only the MST primary port. */ - if (encoder->type != INTEL_OUTPUT_DP_MST && - intel_phy_is_tc(dev_priv, phy)) - intel_tc_port_sanitize(enc_to_dig_port(encoder)); - } - get_encoder_power_domains(dev_priv); if (HAS_PCH_IBX(dev_priv)) -- 2.33.0