From patchwork Thu May 18 23:33:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 13247528 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3CD32C77B7A for ; Thu, 18 May 2023 23:34:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0547C10E58A; Thu, 18 May 2023 23:34:03 +0000 (UTC) Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id E317910E588; Thu, 18 May 2023 23:33:59 +0000 (UTC) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34INXKPb025641; Thu, 18 May 2023 23:33:55 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=UBo4AUigQs4sXmPtonF5Wh0yzSkrMUZgWWei9l/Mngg=; b=PsRT0b31YFKSVaMXxJQDSwHsfMV6wBwaQtPz0a4OxxeO07e8OKi3TtfQdx02CI3cx7fm M6MxfkEP5WuCegYo8ZbcaTkQ9ctiScT1SL3jFmvJSQz7fNeDY8aqal3vscqPTP6Z0Fhf pSzLdJEbRqe2u6WtktpDbtr5nq7vMxI4Uyp0hCBPHFn58WYeBIXpEX2OSMhSjCF4peZ5 2P/UVX9JSV4TqDKfXweJEehQU9y0FsmCWTHJPBXi7HSaKS3tWZrQjcGkq6vp3zCNA/cf EmSpYECjY/p3e8gbD1vP9dn5dOjOmJiImWScuuUcR1Sjz1x6xLMr+arghaLTFhTvUZ+0 Qw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qn73utvnh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 May 2023 23:33:55 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 34INXrMG016247 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 May 2023 23:33:54 GMT Received: from khsieh-linux1.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Thu, 18 May 2023 16:33:53 -0700 From: Kuogee Hsieh To: , , , , , , , , , , Subject: [PATCH v11 4/9] drm/msm/dpu: Introduce PINGPONG_NONE to disconnect DSC from PINGPONG Date: Thu, 18 May 2023 16:33:31 -0700 Message-ID: <1684452816-27848-5-git-send-email-quic_khsieh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1684452816-27848-1-git-send-email-quic_khsieh@quicinc.com> References: <1684452816-27848-1-git-send-email-quic_khsieh@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: fVtc2mNcq8jAq-jvuHdZGTxqpbJrHkIe X-Proofpoint-GUID: fVtc2mNcq8jAq-jvuHdZGTxqpbJrHkIe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-05-18_16,2023-05-17_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 impostorscore=0 bulkscore=0 mlxscore=0 clxscore=1015 adultscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305180195 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: quic_sbillaka@quicinc.com, linux-arm-msm@vger.kernel.org, quic_abhinavk@quicinc.com, Kuogee Hsieh , marijn.suijten@somainline.org, quic_jesszhan@quicinc.com, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Disabling the crossbar mux between DSC and PINGPONG currently requires a bogus enum dpu_pingpong value to be passed when calling dsc_bind_pingpong_blk() with enable=false, even though the register value written is independent of the current PINGPONG block. Replace that `bool enable` parameter with a new PINGPONG_NONE dpu_pingpong flag that triggers the write of the "special" 0xF "crossbar disabled" value to the register instead. Changes in v4: -- more details to commit text Changes in v5: -- rewording commit text suggested by Marijn -- add DRM_DEBUG_KMS for DSC unbinding case Changes in v8: -- fix checkpatch warning Signed-off-by: Kuogee Hsieh Reviewed-by: Dmitry Baryshkov Reviewed-by: Marijn Suijten --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 14 +++++++------- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h | 1 - drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 3 ++- 4 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index cf1de5d..ffa6f04 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1850,7 +1850,7 @@ static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_dsc *hw_dsc, hw_pp->ops.setup_dsc(hw_pp); if (hw_dsc->ops.dsc_bind_pingpong_blk) - hw_dsc->ops.dsc_bind_pingpong_blk(hw_dsc, true, hw_pp->idx); + hw_dsc->ops.dsc_bind_pingpong_blk(hw_dsc, hw_pp->idx); if (hw_pp->ops.enable_dsc) hw_pp->ops.enable_dsc(hw_pp); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c index 8deedeae..509dbaa 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c @@ -157,7 +157,6 @@ static void dpu_hw_dsc_config_thresh(struct dpu_hw_dsc *hw_dsc, static void dpu_hw_dsc_bind_pingpong_blk( struct dpu_hw_dsc *hw_dsc, - bool enable, const enum dpu_pingpong pp) { struct dpu_hw_blk_reg_map *c = &hw_dsc->hw; @@ -166,14 +165,15 @@ static void dpu_hw_dsc_bind_pingpong_blk( dsc_ctl_offset = DSC_CTL(hw_dsc->idx); - if (enable) + if (pp) mux_cfg = (pp - PINGPONG_0) & 0x7; - DRM_DEBUG_KMS("%s dsc:%d %s pp:%d\n", - enable ? "Binding" : "Unbinding", - hw_dsc->idx - DSC_0, - enable ? "to" : "from", - pp - PINGPONG_0); + if (pp) + DRM_DEBUG_KMS("Binding dsc:%d to pp:%d\n", + hw_dsc->idx - DSC_0, pp - PINGPONG_0); + else + DRM_DEBUG_KMS("Unbinding dsc:%d from any pp\n", + hw_dsc->idx - DSC_0); DPU_REG_WRITE(c, dsc_ctl_offset, mux_cfg); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h index 287ec5f..138080a 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.h @@ -44,7 +44,6 @@ struct dpu_hw_dsc_ops { struct drm_dsc_config *dsc); void (*dsc_bind_pingpong_blk)(struct dpu_hw_dsc *hw_dsc, - bool enable, enum dpu_pingpong pp); }; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h index 1913a19..02a0f48 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h @@ -191,7 +191,8 @@ enum dpu_dsc { }; enum dpu_pingpong { - PINGPONG_0 = 1, + PINGPONG_NONE, + PINGPONG_0, PINGPONG_1, PINGPONG_2, PINGPONG_3,