From patchwork Thu Dec 22 15:04:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 13080092 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 807F6C3DA7D for ; Thu, 22 Dec 2022 15:06:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235461AbiLVPGA (ORCPT ); Thu, 22 Dec 2022 10:06:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235711AbiLVPFy (ORCPT ); Thu, 22 Dec 2022 10:05:54 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7120913FAC; Thu, 22 Dec 2022 07:05:53 -0800 (PST) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BMBH9FX009850; Thu, 22 Dec 2022 15:05:50 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=FoyR4f7DvJDmmnlya6a3xkzmGDIWFCKMbMyOJcBV9Cw=; b=mXCGIKFI6Dhi6X3L7WT/GDyVOimSuNa9AriRb7z842ltQbzZvHImXqTYXvRXi8gHGKjX nnKZd9i1AC/kpPu1ChfkKrYWbVoRpHQR/FE+GmseJkHJ9ZF7JbqFvnb5aURX2LeGGKUc dNrS1hlyBFxUh+tCwtCeYLewAui/hGn0zslqhwIutxX/F318+B0yXhiOLWpgOy4rNA6j 5Becw3Uti8f9Mu0fzB+pL0MMHhkdiWp6iwK7yfahGAt9tGMncqAXqQu7Q4mHlBvASIdz vsul8l7BCoWYx9r6IFGmuNqZqDpXWVF63Ny5pIvE3QQ7iVNpeHE+HhryYNx8vdzQWP7D 8A== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mmn3n8nbf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 22 Dec 2022 15:05:50 +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 2BMF5oHQ014773 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 22 Dec 2022 15:05:50 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 07:05:44 -0800 From: Vinod Polimera To: , , , CC: Vinod Polimera , , , , , , , , , , , Subject: [PATCH v10 05/15] drm/msm/dp: use the eDP bridge ops to validate eDP modes Date: Thu, 22 Dec 2022 20:34:52 +0530 Message-ID: <1671721502-16587-6-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: c-gzc6Mf7H333iIPk3u9PFTPQqVsSBVl X-Proofpoint-ORIG-GUID: c-gzc6Mf7H333iIPk3u9PFTPQqVsSBVl 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 clxscore=1015 mlxlogscore=999 adultscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 bulkscore=0 mlxscore=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 The eDP and DP interfaces shared the bridge operations and the eDP specific changes were implemented under is_edp check. To add psr support for eDP, we started using a new set of eDP bridge ops. We are moving the eDP specific code in the dp_bridge_mode_valid function to a new eDP function, edp_bridge_mode_valid under the eDP bridge ops. Signed-off-by: Sankeerth Billakanti Signed-off-by: Vinod Polimera Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_display.c | 8 -------- drivers/gpu/drm/msm/dp/dp_drm.c | 34 +++++++++++++++++++++++++++++++++- 2 files changed, 33 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 7ec81b8..91642a0 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -984,14 +984,6 @@ enum drm_mode_status dp_bridge_mode_valid(struct drm_bridge *bridge, return -EINVAL; } - /* - * The eDP controller currently does not have a reliable way of - * enabling panel power to read sink capabilities. So, we rely - * on the panel driver to populate only supported modes for now. - */ - if (dp->is_edp) - return MODE_OK; - if (mode->clock > DP_MAX_PIXEL_CLK_KHZ) return MODE_CLOCK_HIGH; diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index df66df0..d3e9010 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -223,12 +223,44 @@ static void edp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge, dp_bridge_atomic_post_disable(drm_bridge, old_bridge_state); } +/** + * edp_bridge_mode_valid - callback to determine if specified mode is valid + * @bridge: Pointer to drm bridge structure + * @info: display info + * @mode: Pointer to drm mode structure + * Returns: Validity status for specified mode + */ +static enum drm_mode_status edp_bridge_mode_valid(struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode) +{ + struct msm_dp *dp; + int mode_pclk_khz = mode->clock; + + dp = to_dp_bridge(bridge)->dp_display; + + if (!dp || !mode_pclk_khz || !dp->connector) { + DRM_ERROR("invalid params\n"); + return -EINVAL; + } + + if (mode->clock > DP_MAX_PIXEL_CLK_KHZ) + return MODE_CLOCK_HIGH; + + /* + * The eDP controller currently does not have a reliable way of + * enabling panel power to read sink capabilities. So, we rely + * on the panel driver to populate only supported modes for now. + */ + return MODE_OK; +} + static const struct drm_bridge_funcs edp_bridge_ops = { .atomic_enable = edp_bridge_atomic_enable, .atomic_disable = edp_bridge_atomic_disable, .atomic_post_disable = edp_bridge_atomic_post_disable, .mode_set = dp_bridge_mode_set, - .mode_valid = dp_bridge_mode_valid, + .mode_valid = edp_bridge_mode_valid, .atomic_reset = drm_atomic_helper_bridge_reset, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,