From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: [PATCH] drm/i915: Enable DP audio for Haswell Date: Fri, 16 Nov 2012 15:48:29 +0100 Message-ID: Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTP id 90254E5CE5 for ; Fri, 16 Nov 2012 06:48:30 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org, "Zanoni, Paulo R" List-Id: intel-gfx@lists.freedesktop.org This patch adds the missing code to send ELD for Haswell DisplayPort, based on Xingchao's original patch. A test was performed with HSW-D machine and NEC EA232Wmi DP monitor. Cc: Xingchao Wang Signed-off-by: Takashi Iwai --- drivers/gpu/drm/i915/intel_ddi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 58f50eb..d8dbd99 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -669,6 +669,15 @@ static void intel_ddi_mode_set(struct drm_encoder *encoder, break; } + if (intel_hdmi->has_audio) { + DRM_DEBUG_DRIVER("DP audio on pipe %c on DDI\n", + pipe_name(intel_crtc->pipe)); + + /* write eld */ + DRM_DEBUG_DRIVER("DP audio: write eld information\n"); + intel_write_eld(encoder, adjusted_mode); + } + intel_dp_init_link_config(intel_dp); } else if (type == INTEL_OUTPUT_HDMI) { -- 1.8.0