From patchwork Thu Mar 2 16:33:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 13157570 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E2A4C678D4 for ; Thu, 2 Mar 2023 16:34:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229840AbjCBQeI (ORCPT ); Thu, 2 Mar 2023 11:34:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229850AbjCBQeD (ORCPT ); Thu, 2 Mar 2023 11:34:03 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F04D41ABD1; Thu, 2 Mar 2023 08:33:59 -0800 (PST) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 322Eb6do004609; Thu, 2 Mar 2023 16:33:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=jKC8/SSG1VCoC5uR/J95BKnKBCNw0fciyWIn/IjGJjE=; b=Aie5o5J7TqzuLbxxACEDm2vAPmOjYbHq/X0I3kBBPBc08FQVRzR6xwrYWEj2tgRXhUpa oNqEeuyP6GMLPBuOdxB8yX4PNZKmrW0LapbTzE1FychxhMNyMTjXHSGtjC4/EHqqtCOI PqVy+cIGC675sxKhJFessIygVGIl7VSCmWc44vsEyLOtnJqg3sb5OerKCyoBcceepj7y B2jkpSUfcbR9WoyxOPcaZJuPGG7gxlJ5vy+V4WXFyWnbIlg+CtSqiWm7UonbzMF8h5L4 FaGTI7fAR3bL95nLPjZxlmSMTHmv9dYe1+FXOuklxSUsk0JULeCjzCoPnDheyYXOOWs7 bQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p24uwc79v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Mar 2023 16:33:57 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 322GXuK1001793 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 2 Mar 2023 16:33:56 GMT Received: from vpolimer-linux.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Thu, 2 Mar 2023 08:33:50 -0800 From: Vinod Polimera To: , , , CC: Vinod Polimera , , , , , , , , , , , Subject: [PATCH v14 03/14] drm/bridge: add psr support for panel bridge callbacks Date: Thu, 2 Mar 2023 22:03:06 +0530 Message-ID: <1677774797-31063-4-git-send-email-quic_vpolimer@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1677774797-31063-1-git-send-email-quic_vpolimer@quicinc.com> References: <1677774797-31063-1-git-send-email-quic_vpolimer@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: dtXquUUjbTI13WAjFER56R8Xkd-geqV5 X-Proofpoint-ORIG-GUID: dtXquUUjbTI13WAjFER56R8Xkd-geqV5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-02_09,2023-03-02_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 mlxscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 clxscore=1015 suspectscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303020143 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This change will handle the psr entry exit cases in the panel bridge atomic callback functions. For example, the panel power should not turn off if the panel is entering psr. Signed-off-by: Sankeerth Billakanti Signed-off-by: Vinod Polimera Reviewed-by: Daniel Vetter --- drivers/gpu/drm/bridge/panel.c | 48 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 04e9fb0..a2c6f30 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -113,6 +113,18 @@ static void panel_bridge_atomic_pre_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state; + + crtc = drm_atomic_get_new_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + old_crtc_state = drm_atomic_get_old_crtc_state(atomic_state, crtc); + if (old_crtc_state && old_crtc_state->self_refresh_active) + return; drm_panel_prepare(panel_bridge->panel); } @@ -121,6 +133,18 @@ static void panel_bridge_atomic_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *old_crtc_state; + + crtc = drm_atomic_get_new_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + old_crtc_state = drm_atomic_get_old_crtc_state(atomic_state, crtc); + if (old_crtc_state && old_crtc_state->self_refresh_active) + return; drm_panel_enable(panel_bridge->panel); } @@ -129,6 +153,18 @@ static void panel_bridge_atomic_disable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state; + + crtc = drm_atomic_get_old_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + new_crtc_state = drm_atomic_get_new_crtc_state(atomic_state, crtc); + if (new_crtc_state && new_crtc_state->self_refresh_active) + return; drm_panel_disable(panel_bridge->panel); } @@ -137,6 +173,18 @@ static void panel_bridge_atomic_post_disable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); + struct drm_atomic_state *atomic_state = old_bridge_state->base.state; + struct drm_encoder *encoder = bridge->encoder; + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state; + + crtc = drm_atomic_get_old_crtc_for_encoder(atomic_state, encoder); + if (!crtc) + return; + + new_crtc_state = drm_atomic_get_new_crtc_state(atomic_state, crtc); + if (new_crtc_state && new_crtc_state->self_refresh_active) + return; drm_panel_unprepare(panel_bridge->panel); }