From patchwork Tue Sep 13 14:51:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 12974996 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 473F6ECAAD8 for ; Tue, 13 Sep 2022 17:01:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232268AbiIMRB3 (ORCPT ); Tue, 13 Sep 2022 13:01:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232220AbiIMRBG (ORCPT ); Tue, 13 Sep 2022 13:01:06 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5F198D3D3; Tue, 13 Sep 2022 08:52:06 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28DDvMcI030217; Tue, 13 Sep 2022 14:56:30 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; s=qcppdkim1; bh=cy190nBWWOxADp30jZrS+SpeqJ87gjicEcMiZS0Ave4=; b=NZh8lqmWF0x/Z+Fun4RkwD8ia0pZVede8ppj3VjR+T/gXbaDnEA7fBBKjimovH9I7yCK FOnWQ8LvLPqOCb0he68frYOoqTabokyIjT6KJkygfM2htvMisDZ09JJJde7yirKtjAkb SvPsWNdyohNPIMnL+2QXwA1hb4EIAybrRfK2bM+2/NfUuITPADfFVcAd7pE4ccntwcHW 3gJqdaQEctclsl7+pU4DfYYFt8tuH6Z9DgYHGstXQl030OJ0V7KBm6knHHoY1499EKXG WFSod2ElISjSFk/D0zt6KxnI8OZtU6L7WGpqVaeCgeR2eo9qM9YTwYHFqbsmzVIRATZN Zg== Received: from apblrppmta01.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jjbh1b86a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Sep 2022 14:56:30 +0000 Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 28DEpQIF017889; Tue, 13 Sep 2022 14:51:26 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 3jh46m5dr4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 13 Sep 2022 14:51:26 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 28DEpMa6017814; Tue, 13 Sep 2022 14:51:26 GMT Received: from vpolimer-linux.qualcomm.com (vpolimer-linux.qualcomm.com [10.204.67.235]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 28DEpQ6Z017839; Tue, 13 Sep 2022 14:51:26 +0000 Received: by vpolimer-linux.qualcomm.com (Postfix, from userid 463814) id 740E9403E; Tue, 13 Sep 2022 20:21:25 +0530 (IST) From: Vinod Polimera To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Vinod Polimera , linux-kernel@vger.kernel.org, robdclark@gmail.com, dianders@chromium.org, swboyd@chromium.org, quic_kalyant@quicinc.com, dmitry.baryshkov@linaro.org, quic_khsieh@quicinc.com, quic_vproddut@quicinc.com, quic_bjorande@quicinc.com, quic_aravindh@quicinc.com, quic_abhinavk@quicinc.com, quic_sbillaka@quicinc.com Subject: [PATCH v7 05/15] drm/msm/dp: use the eDP bridge ops to validate eDP modes Date: Tue, 13 Sep 2022 20:21:06 +0530 Message-Id: <1663080676-12936-6-git-send-email-quic_vpolimer@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1663080676-12936-1-git-send-email-quic_vpolimer@quicinc.com> References: <1663080676-12936-1-git-send-email-quic_vpolimer@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: -sOE5QrXKs0ZqHufbmSNrLFbk01RGHs_ X-Proofpoint-ORIG-GUID: -sOE5QrXKs0ZqHufbmSNrLFbk01RGHs_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-13_07,2022-09-13_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 mlxscore=0 bulkscore=0 malwarescore=0 suspectscore=0 phishscore=0 spamscore=0 impostorscore=0 adultscore=0 mlxlogscore=965 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209130068 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 5f2aae4..e481099 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 a3491d2..3e8912b 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -192,12 +192,44 @@ 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,