From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Jackson Subject: [PATCH 4/5] drm/radeon/dp: Probe branch/sink OUIs Date: Mon, 14 May 2012 16:05:48 -0400 Message-ID: <1337025949-2355-5-git-send-email-ajax@redhat.com> References: <1337025949-2355-1-git-send-email-ajax@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id 4C5A59E938 for ; Mon, 14 May 2012 13:05:54 -0700 (PDT) Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q4EK5sRY017147 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 14 May 2012 16:05:54 -0400 Received: from ihatethathostname.lab.bos.redhat.com (ihatethathostname.lab.bos.redhat.com [10.16.43.238]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q4EK5qVo017041 for ; Mon, 14 May 2012 16:05:53 -0400 In-Reply-To: <1337025949-2355-1-git-send-email-ajax@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Signed-off-by: Adam Jackson --- drivers/gpu/drm/radeon/atombios_dp.c | 20 ++++++++++++++++++++ 1 files changed, 20 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index c57d856..9282649 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -533,6 +533,23 @@ u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector) dig_connector->dp_i2c_bus->rec.i2c_id, 0); } +static void radeon_dp_probe_oui(struct radeon_connector *radeon_connector) +{ + struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; + u8 buf[3]; + + if (!(dig_connector->dpcd[DP_DOWN_STREAM_PORT_COUNT] & DP_OUI_SUPPORT)) + return; + + if (radeon_dp_aux_native_read(radeon_connector, DP_SINK_OUI, buf, 3, 0)) + DRM_DEBUG_KMS("Sink OUI: %02hx%02hx%02hx\n", + buf[0], buf[1], buf[2]); + + if (radeon_dp_aux_native_read(radeon_connector, DP_BRANCH_OUI, buf, 3, 0)) + DRM_DEBUG_KMS("Branch OUI: %02hx%02hx%02hx\n", + buf[0], buf[1], buf[2]); +} + bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) { struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; @@ -546,6 +563,9 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) for (i = 0; i < 8; i++) DRM_DEBUG_KMS("%02x ", msg[i]); DRM_DEBUG_KMS("\n"); + + radeon_dp_probe_oui(radeon_connector); + return true; } dig_connector->dpcd[0] = 0; -- 1.7.7.6