From patchwork Wed Aug 2 18:08:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jessica Zhang X-Patchwork-Id: 13338722 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 8BB75C001DF for ; Wed, 2 Aug 2023 18:09:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233683AbjHBSJY (ORCPT ); Wed, 2 Aug 2023 14:09:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232775AbjHBSJW (ORCPT ); Wed, 2 Aug 2023 14:09:22 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 441FD1FEC; Wed, 2 Aug 2023 11:09:16 -0700 (PDT) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 372HqhrT024599; Wed, 2 Aug 2023 18:09:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : date : subject : mime-version : content-type : content-transfer-encoding : message-id : references : in-reply-to : to : cc; s=qcppdkim1; bh=twx3tZc/jJ3ZyyRysfGHfeFNagdnLK02mYYEi/3HLPk=; b=EiSBAzhOStByn0e4ih9WNiixjG/F0pwxntUbjgs5gBtbtBT+/ktaEMsrpX00sA+I7j6Y KzgcCwSSRp0NAQtVTsiS50fNZsLXNOSmJ7ZmW1w7/UH7qBvx6w87ZapJjlFlMBdI2dgc KI10ONGKWOekvK0nXFbs10VgvZmRuOWsi9ORhnqeB5zSqC8Cwjd0821vKH4XhBVZDB9m w3UDbkKCT0IxlxCWdQ0Q4p9MBvjEC987kppn3lMtLGmuBWUUM7W19vbsPDIofrg+zEyo IvI3StaxWE0G7IwwveWruK8Izy/2WQRdQKw1aoxy3qiEt3yH5DHsROOC9udunpRf0TUm uA== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s7fre22qk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Aug 2023 18:09:09 +0000 Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 372I981M029019 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 2 Aug 2023 18:09:08 GMT Received: from jesszhan-linux.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Wed, 2 Aug 2023 11:09:07 -0700 From: Jessica Zhang Date: Wed, 2 Aug 2023 11:08:49 -0700 Subject: [PATCH v3 2/4] drm/msm/dpu: Enable widebus for DSI INTF MIME-Version: 1.0 Message-ID: <20230802-add-widebus-support-v3-2-2661706be001@quicinc.com> References: <20230802-add-widebus-support-v3-0-2661706be001@quicinc.com> In-Reply-To: <20230802-add-widebus-support-v3-0-2661706be001@quicinc.com> To: Rob Clark , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , "Daniel Vetter" CC: , , , , , Jessica Zhang X-Mailer: b4 0.13-dev-034f2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1690999747; l=4513; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=Jmb7gaPPbyxZ6eTsoppLJiXehRUCuRT+iijJYPs2+cU=; b=BwsbMWG5/It5A17xmItoeYf+DCp5Evl8WK4RefEVypYL40zziJcaue8lyiy7GP+NWvlFn/L5Q FnndFzDA6PyD7SXNe5C5lziuM8R8yzsXj72hkMB/zTB/+jMQsvDADZt X-Developer-Key: i=quic_jesszhan@quicinc.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: xnobuU4csV3yto4Les337RKSbORNq9qM X-Proofpoint-ORIG-GUID: xnobuU4csV3yto4Les337RKSbORNq9qM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-02_13,2023-08-01_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 impostorscore=0 phishscore=0 clxscore=1015 mlxlogscore=912 bulkscore=0 lowpriorityscore=0 mlxscore=0 adultscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308020160 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org DPU supports a data-bus widen mode for DSI INTF. Enable this mode for all supported chipsets if widebus is enabled for DSI. Signed-off-by: Jessica Zhang --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 11 ++++++++--- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 4 +++- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 3 +++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h | 1 + drivers/gpu/drm/msm/msm_drv.h | 6 +++++- 5 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 3dcd37c48aac..de08aad39e15 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1196,15 +1196,20 @@ static void dpu_encoder_virt_atomic_enable(struct drm_encoder *drm_enc, struct drm_display_mode *cur_mode = NULL; struct msm_drm_private *priv = drm_enc->dev->dev_private; struct msm_display_info *disp_info; + int index; dpu_enc = to_dpu_encoder_virt(drm_enc); disp_info = &dpu_enc->disp_info; + disp_info = &dpu_enc->disp_info; + index = disp_info->h_tile_instance[0]; + dpu_enc->dsc = dpu_encoder_get_dsc_config(drm_enc); - if (disp_info->intf_type == INTF_DP) - dpu_enc->wide_bus_en = msm_dp_wide_bus_available( - priv->dp[disp_info->h_tile_instance[0]]); + if (disp_info->intf_type == INTF_DSI) + dpu_enc->wide_bus_en = msm_dsi_is_widebus_enabled(priv->dsi[index]); + else if (disp_info->intf_type == INTF_DP) + dpu_enc->wide_bus_en = msm_dp_wide_bus_available(priv->dp[index]); mutex_lock(&dpu_enc->enc_lock); cur_mode = &dpu_enc->base.crtc->state->adjusted_mode; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c index df88358e7037..dace6168be2d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c @@ -69,8 +69,10 @@ static void _dpu_encoder_phys_cmd_update_intf_cfg( phys_enc->hw_intf, phys_enc->hw_pp->idx); - if (intf_cfg.dsc != 0) + if (intf_cfg.dsc != 0) { cmd_mode_cfg.data_compress = true; + cmd_mode_cfg.wide_bus_en = dpu_encoder_is_widebus_enabled(phys_enc->parent); + } if (phys_enc->hw_intf->ops.program_intf_cmd_cfg) phys_enc->hw_intf->ops.program_intf_cmd_cfg(phys_enc->hw_intf, &cmd_mode_cfg); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c index 8ec6505d9e78..dc6f3febb574 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c @@ -521,6 +521,9 @@ static void dpu_hw_intf_program_intf_cmd_cfg(struct dpu_hw_intf *ctx, if (cmd_mode_cfg->data_compress) intf_cfg2 |= INTF_CFG2_DCE_DATA_COMPRESS; + if (cmd_mode_cfg->wide_bus_en) + intf_cfg2 |= INTF_CFG2_DATABUS_WIDEN; + DPU_REG_WRITE(&ctx->hw, INTF_CONFIG2, intf_cfg2); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h index 77f80531782b..c539025c418b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h @@ -50,6 +50,7 @@ struct dpu_hw_intf_status { struct dpu_hw_intf_cmd_mode_cfg { u8 data_compress; /* enable data compress between dpu and dsi */ + u8 wide_bus_en; /* enable databus widen mode */ }; /** diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 9d9d5e009163..e4f706b16aad 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -344,6 +344,7 @@ void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi *msm_dsi bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi); bool msm_dsi_is_bonded_dsi(struct msm_dsi *msm_dsi); bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi); +bool msm_dsi_is_widebus_enabled(struct msm_dsi *msm_dsi); struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi); #else static inline void __init msm_dsi_register(void) @@ -373,7 +374,10 @@ static inline bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi) { return false; } - +static inline bool msm_dsi_is_widebus_enabled(struct msm_dsi *msm_dsi) +{ + return false; +} static inline struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi) { return NULL;