From patchwork Thu Dec 22 15:04:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 13080094 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 B6A0FC001B2 for ; Thu, 22 Dec 2022 15:06:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235818AbiLVPGS (ORCPT ); Thu, 22 Dec 2022 10:06:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235834AbiLVPGJ (ORCPT ); Thu, 22 Dec 2022 10:06:09 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73FEBE8B; Thu, 22 Dec 2022 07:06:08 -0800 (PST) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BME4Nkj004839; Thu, 22 Dec 2022 15:06:05 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=Ogr/QPsfLlqyPywPveHgZK+CHgRo4MIzWIESAwaYdFY=; b=lccPXrXkk7woqGzpx6eDg7frytsFAak2MJeJxqPwfzdA0QDNBcBQ1KzkoBCznIE6dXvI uY8DE3cegiSK1WRs/ccBe5MUSbRnEZaKA+UQZ5boSUF8uegW4xx+rIK8KHtVK0LmKkKn 2F06wDH/KVClxOY+wxKfS1gplttSmTfnu7lXIRTKguiY/PlPVHkwpju9oC65sJ3cNmgO g3G+ueeyBUNhQtwUOqHeJXdhw0xmtl412dnn1TVIJXR0Ndcr6A32AqbMK5Dqh2YIWc6E xJCs0Fu3UfqrubjW11ij5is2NzbfiKZFwhxJ2RGnWdYrvPiJBFyfyKLS3PEHnJmLcofB Rw== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mmkrx0tj5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 22 Dec 2022 15:06:05 +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 2BMF64mJ015330 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 22 Dec 2022 15:06:04 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 15.2.986.36; Thu, 22 Dec 2022 07:05:59 -0800 From: Vinod Polimera To: , , , CC: Vinod Polimera , , , , , , , , , , , Subject: [PATCH v10 08/15] drm/bridge: add psr support for panel bridge callbacks Date: Thu, 22 Dec 2022 20:34:55 +0530 Message-ID: <1671721502-16587-9-git-send-email-quic_vpolimer@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1671721502-16587-1-git-send-email-quic_vpolimer@quicinc.com> References: <1671721502-16587-1-git-send-email-quic_vpolimer@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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: k3e_R3sC7zgiX0Pjl6SZDIWVfvO8QJe- X-Proofpoint-ORIG-GUID: k3e_R3sC7zgiX0Pjl6SZDIWVfvO8QJe- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-22_08,2022-12-22_03,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 clxscore=1015 mlxscore=0 impostorscore=0 suspectscore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 malwarescore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212220131 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 --- 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 3558cbf..5e77e38 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); }