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Wed, 26 Aug 2020 14:25:45 -0400 X-MC-Unique: N5xedtFkO-mlxcW2G1KcOQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C2E0B100670A; Wed, 26 Aug 2020 18:25:43 +0000 (UTC) Received: from Whitewolf.redhat.com (ovpn-119-77.rdu2.redhat.com [10.10.119.77]) by smtp.corp.redhat.com (Postfix) with ESMTP id EE14A100238E; Wed, 26 Aug 2020 18:25:42 +0000 (UTC) From: Lyude Paul To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org Date: Wed, 26 Aug 2020 14:24:46 -0400 Message-Id: <20200826182456.322681-11-lyude@redhat.com> In-Reply-To: <20200826182456.322681-1-lyude@redhat.com> References: <20200826182456.322681-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Subject: [Intel-gfx] [PATCH v5 10/20] drm/nouveau/kms: Use new drm_dp_read_mst_cap() helper for checking MST caps X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Ben Skeggs , open list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Signed-off-by: Lyude Paul Reviewed-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_dp.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index 032afc73e2a33..a5934064a75ea 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -44,7 +44,6 @@ nouveau_dp_probe_dpcd(struct nouveau_connector *nv_connector, struct nv50_mstm *mstm = NULL; int ret; u8 *dpcd = outp->dp.dpcd; - u8 tmp; ret = drm_dp_dpcd_read(aux, DP_DPCD_REV, dpcd, DP_RECEIVER_CAP_SIZE); if (ret == DP_RECEIVER_CAP_SIZE && dpcd[DP_DPCD_REV]) { @@ -56,19 +55,10 @@ nouveau_dp_probe_dpcd(struct nouveau_connector *nv_connector, return connector_status_disconnected; } - if (nouveau_mst) + if (nouveau_mst) { mstm = outp->dp.mstm; - - if (mstm) { - if (dpcd[DP_DPCD_REV] >= DP_DPCD_REV_12) { - ret = drm_dp_dpcd_readb(aux, DP_MSTM_CAP, &tmp); - if (ret < 0) - return connector_status_disconnected; - - mstm->can_mst = !!(tmp & DP_MST_CAP); - } else { - mstm->can_mst = false; - } + if (mstm) + mstm->can_mst = drm_dp_read_mst_cap(aux, dpcd); } return connector_status_connected; -- 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx