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Fri, 06 Dec 2024 04:32:39 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4B64Wc3Y007182 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 6 Dec 2024 04:32:38 GMT Received: from abhinavk-linux1.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 5 Dec 2024 20:32:38 -0800 From: Abhinav Kumar Date: Thu, 5 Dec 2024 20:31:56 -0800 Subject: [PATCH 25/45] drm/msm/dp: move link related operations to dp_display_unprepare() MIME-Version: 1.0 Message-ID: <20241205-dp_mst-v1-25-f8618d42a99a@quicinc.com> References: <20241205-dp_mst-v1-0-f8618d42a99a@quicinc.com> In-Reply-To: <20241205-dp_mst-v1-0-f8618d42a99a@quicinc.com> To: Rob Clark , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , "Simona Vetter" , Stephen Boyd , "Chandan Uddaraju" , Guenter Roeck , Kuogee Hsieh , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Vara Reddy , Rob Clark , Tanmay Shah , , , , , , Jessica Zhang , Laurent Pinchart , Abhinav Kumar X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733459543; l=3429; i=quic_abhinavk@quicinc.com; s=20240509; h=from:subject:message-id; bh=14V75o1SPe7H9ddkxkBHxWgMoqi9JZx53WyII8n5MEk=; b=zkBwVqqBBLj10CQZJfdka/sIshlip+jKNLeZzAQ5BMSb2QnxK+6Ke3FrVVVraMpzr9Y67/4Ja xhuS6l2yxBOBg4FcWieQ3NhdtyZMXZ8LvLjc9GDrNv45KSdjeHa8jzK X-Developer-Key: i=quic_abhinavk@quicinc.com; a=ed25519; pk=SD3D8dOKDDh6BoX3jEYjsHrTFwuIK8+o0cLPgQok9ys= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: GV7CNVUsjVBWZ68eJO7WB5z1e86tk3R4 X-Proofpoint-ORIG-GUID: GV7CNVUsjVBWZ68eJO7WB5z1e86tk3R4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 suspectscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 adultscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412060030 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Move the link related operations to dp_display_unprepare() and keep only stream related operations in dp_display_disable(). Make dp_display_unprepare() available to other clients such as DP MST. Signed-off-by: Abhinav Kumar --- drivers/gpu/drm/msm/dp/dp_display.c | 31 ++++++++++++++++--------------- drivers/gpu/drm/msm/dp/dp_display.h | 2 ++ 2 files changed, 18 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index e169cd22db960c0c30707ddbe6a79999dc2a273d..d5b8fd1d4d736ffa7929b9798601dcef0dea5211 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -936,20 +936,8 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp, msm_dp_ctrl_clear_vsc_sdp_pkt(dp->ctrl, msm_dp_panel); - /* dongle is still connected but sinks are disconnected */ - if (dp->link->sink_count == 0) - msm_dp_ctrl_psm_config(dp->ctrl); - msm_dp_ctrl_stream_clk_off(dp->ctrl, msm_dp_panel); - msm_dp_ctrl_off_link(dp->ctrl); - - /* re-init the PHY so that we can listen to Dongle disconnect */ - if (dp->link->sink_count == 0) - msm_dp_ctrl_reinit_phy(dp->ctrl); - else - msm_dp_display_host_phy_exit(dp); - msm_dp_display->power_on = false; drm_dbg_dp(dp->drm_dev, "sink count: %d\n", dp->link->sink_count); @@ -1678,15 +1666,28 @@ void msm_dp_display_atomic_disable(struct msm_dp *msm_dp) msm_dp_display_disable_helper(msm_dp, msm_dp_display->panel); } -static void msm_dp_display_unprepare(struct msm_dp_display_private *msm_dp_display_priv) +void msm_dp_display_unprepare(struct msm_dp *msm_dp) { - struct msm_dp *msm_dp = &msm_dp_display_priv->msm_dp_display; + struct msm_dp_display_private *msm_dp_display; + msm_dp_display = container_of(msm_dp, struct msm_dp_display_private, msm_dp_display); if (!msm_dp->prepared) { drm_dbg_dp(msm_dp->drm_dev, "Link already setup, return\n"); return; } + /* dongle is still connected but sinks are disconnected */ + if (msm_dp_display->link->sink_count == 0) + msm_dp_ctrl_psm_config(msm_dp_display->ctrl); + + msm_dp_ctrl_off_link(msm_dp_display->ctrl); + + /* re-init the PHY so that we can listen to Dongle disconnect */ + if (msm_dp_display->link->sink_count == 0) + msm_dp_ctrl_reinit_phy(msm_dp_display->ctrl); + else + msm_dp_display_host_phy_exit(msm_dp_display); + pm_runtime_put_sync(&msm_dp->pdev->dev); msm_dp->prepared = false; @@ -1732,7 +1733,7 @@ void msm_dp_display_atomic_post_disable(struct msm_dp *msm_dp) msm_dp_display_atomic_post_disable_helper(msm_dp, msm_dp_display->panel); - msm_dp_display_unprepare(msm_dp_display); + msm_dp_display_unprepare(msm_dp); } void msm_dp_display_mode_set_helper(struct msm_dp *msm_dp, diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h index 2b23f2bf7535d3fd513d40a8411a1903fcd560b0..82eb1c6ed1467b21742bda8eaae9c51d3207e997 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -65,4 +65,6 @@ void msm_dp_display_mode_set_helper(struct msm_dp *msm_dp, void msm_dp_display_atomic_post_disable_helper(struct msm_dp *msm_dp, struct msm_dp_panel *msm_dp_panel); +void msm_dp_display_unprepare(struct msm_dp *dp); + #endif /* _DP_DISPLAY_H_ */