From patchwork Wed Jun 17 04:01:57 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Airlie X-Patchwork-Id: 6621741 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EF9D09F326 for ; Wed, 17 Jun 2015 04:02:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E5A37207E8 for ; Wed, 17 Jun 2015 04:02:13 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id CB75F20804 for ; Wed, 17 Jun 2015 04:02:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5C1836E211; Tue, 16 Jun 2015 21:02:12 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id D110C7A0F8 for ; Tue, 16 Jun 2015 21:02:10 -0700 (PDT) Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (Postfix) with ESMTPS id A00C22B9DD3 for ; Wed, 17 Jun 2015 04:02:10 +0000 (UTC) Received: from dreadlord-bne-redhat-com.bne.redhat.com (dhcp-40-179.bne.redhat.com [10.64.40.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t5H421Jn010302 for ; Wed, 17 Jun 2015 00:02:09 -0400 From: Dave Airlie To: intel-gfx@lists.freedesktop.org Date: Wed, 17 Jun 2015 14:01:57 +1000 Message-Id: <1434513719-3580-3-git-send-email-airlied@gmail.com> In-Reply-To: <1434513719-3580-1-git-send-email-airlied@gmail.com> References: <1434513719-3580-1-git-send-email-airlied@gmail.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 Subject: [Intel-gfx] [PATCH 2/4] i915: add support for GPU side of MST audio X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dave Airlie This just adds enables for the codecs and debugfs support for mst connectors to print the audio info. This relies on patches to the audio code to do anything more useful. Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/i915_debugfs.c | 13 +++++++++++++ drivers/gpu/drm/i915/intel_audio.c | 7 ++++--- drivers/gpu/drm/i915/intel_dp_mst.c | 25 +++++++++++++++++++++++++ 3 files changed, 42 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index dc55c51..a109a21 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2577,6 +2577,17 @@ static void intel_dp_info(struct seq_file *m, intel_panel_info(m, &intel_connector->panel); } +static void intel_dp_mst_info(struct seq_file *m, + struct intel_connector *intel_connector) +{ + struct intel_encoder *intel_encoder = intel_connector->encoder; + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&intel_encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + + seq_printf(m, "\taudio support: %s\n", drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, intel_connector->port) ? "yes" : "no"); +} + static void intel_hdmi_info(struct seq_file *m, struct intel_connector *intel_connector) { @@ -2621,6 +2632,8 @@ static void intel_connector_info(struct seq_file *m, intel_hdmi_info(m, intel_connector); else if (intel_encoder->type == INTEL_OUTPUT_LVDS) intel_lvds_info(m, intel_connector); + else if (intel_encoder->type == INTEL_OUTPUT_DP_MST) + intel_dp_mst_info(m, intel_connector); } seq_printf(m, "\tmodes:\n"); diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 2396cc7..77d2a01 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -190,7 +190,7 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder) tmp |= AUD_CONFIG_N_PROG_ENABLE; tmp &= ~AUD_CONFIG_UPPER_N_MASK; tmp &= ~AUD_CONFIG_LOWER_N_MASK; - if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) + if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) || intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST)) tmp |= AUD_CONFIG_N_VALUE_INDEX; I915_WRITE(HSW_AUD_CFG(pipe), tmp); @@ -231,6 +231,7 @@ static void hsw_audio_codec_enable(struct drm_connector *connector, /* Reset ELD write address */ tmp = I915_READ(HSW_AUD_DIP_ELD_CTRL(pipe)); tmp &= ~IBX_ELD_ADDRESS_MASK; + tmp |= ((pipe + 1) << 29); I915_WRITE(HSW_AUD_DIP_ELD_CTRL(pipe), tmp); /* Up to 84 bytes of hw ELD buffer */ @@ -248,7 +249,7 @@ static void hsw_audio_codec_enable(struct drm_connector *connector, tmp &= ~AUD_CONFIG_N_VALUE_INDEX; tmp &= ~AUD_CONFIG_N_PROG_ENABLE; tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK; - if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT)) + if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DISPLAYPORT) || intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DP_MST)) tmp |= AUD_CONFIG_N_VALUE_INDEX; else tmp |= audio_config_hdmi_pixel_clock(mode); @@ -417,7 +418,7 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder) /* ELD Conn_Type */ connector->eld[5] &= ~(3 << 2); - if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) + if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || intel_pipe_has_type(crtc, INTEL_OUTPUT_DP_MST)) connector->eld[5] |= (1 << 2); connector->eld[6] = drm_av_sync_delay(connector, mode) / 2; diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 5cb4748..8a39e99 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -85,6 +85,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, return false; } + if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, found->port)) + pipe_config->has_audio = true; mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->clock, bpp); pipe_config->pbn = mst_pbn; @@ -105,6 +107,11 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder) struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); struct intel_digital_port *intel_dig_port = intel_mst->primary; struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = encoder->base.crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int ret; DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); @@ -115,6 +122,10 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder) if (ret) { DRM_ERROR("failed to update payload %d\n", ret); } + if (intel_crtc->config->has_audio) { + intel_audio_codec_disable(encoder); + intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO); + } } static void intel_mst_post_disable_dp(struct intel_encoder *encoder) @@ -209,6 +220,7 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder) struct intel_dp *intel_dp = &intel_dig_port->dp; struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); enum port port = intel_dig_port->port; int ret; @@ -221,6 +233,13 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder) ret = drm_dp_check_act_status(&intel_dp->mst_mgr); ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); + + if (crtc->config->has_audio) { + DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n", + pipe_name(crtc->pipe)); + intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO); + intel_audio_codec_enable(encoder); + } } static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder, @@ -246,6 +265,12 @@ static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder, pipe_config->has_dp_encoder = true; + if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) { + temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); + if (temp & AUDIO_OUTPUT_ENABLE(crtc->pipe)) + pipe_config->has_audio = true; + } + temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); if (temp & TRANS_DDI_PHSYNC) flags |= DRM_MODE_FLAG_PHSYNC;