From patchwork Thu May 18 01:14:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jessica Zhang X-Patchwork-Id: 683480 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 F089CC7EE2C for ; Thu, 18 May 2023 01:14:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229640AbjERBOu (ORCPT ); Wed, 17 May 2023 21:14:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229539AbjERBOt (ORCPT ); Wed, 17 May 2023 21:14:49 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E4144488 for ; Wed, 17 May 2023 18:14:47 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34I1EgHU025164; Thu, 18 May 2023 01:14:42 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=v4hdOistjXnRF5RLqWA+tShnrbCQm4iYw1xuvbpJfUA=; b=DXAwcdOijwJGJv9Ninhz9NOWr+JWxSZeRitYjw4N/qiRI5r2fTUsleQQxwcZuihDN6Gu bvhAdgJaQ3GO47ctxQItTff/21lscnMxR6xsKsgH585lKQkULPdha0jy9N47p34jhLE7 58Oon6m2wvQLHm2uFnEiBCT9MQnyBGB6ghWlxIzp1OL7DJ0R+38tzBifBgr4hruuAz7t VLmRaRNVqlOqdKqHPcfPzXW/RNVsBqTjM6R4FcUUXI5A6HMaW8DrEP70rgXkVbTK5j84 GnqbmQCNBpgIB3hmFgbWI8sPiUwOCwPhVwX3fRYjyVp5qiQY+H5qFcJhnx8SubMa5DG8 KQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qn3fsgs79-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 May 2023 01:14:42 +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 34I1EfCd006959 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 May 2023 01:14:41 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 15.2.986.42; Wed, 17 May 2023 18:14:41 -0700 From: Jessica Zhang Date: Wed, 17 May 2023 18:14:35 -0700 Subject: [PATCH v13 9/9] drm/msm/dsi: update hdisplay calculation for dsi_timing_setup MIME-Version: 1.0 Message-ID: <20230329-rfc-msm-dsc-helper-v13-9-d7581e7becec@quicinc.com> References: <20230329-rfc-msm-dsc-helper-v13-0-d7581e7becec@quicinc.com> In-Reply-To: <20230329-rfc-msm-dsc-helper-v13-0-d7581e7becec@quicinc.com> To: CC: Marijn Suijten , Konrad Dybcio , Kuogee Hsieh , "Daniel Vetter" , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , , , Jessica Zhang X-Mailer: b4 0.13-dev-bfdf5 X-Developer-Signature: v=1; a=ed25519-sha256; t=1684372478; l=1029; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=x5Yx+3m1ry8zEMx//Z2KoppAyj/f7rIKvYja256G7lw=; b=/bVb5EzcBD37E3G5jMOMtkYLor6SBo1PiG8GwktD8VNA/0e2QT71oKYSQH5Gct5ShWLTwKiQB Lk3CpEp30Z1CMF8wNYAvT78VFxoK/ZvK0IZsi3xl0RnoP+xWNxpeZdH X-Developer-Key: i=quic_jesszhan@quicinc.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: YHH6LkhCEbhjdczpzQjMmEF8zeZFjTut X-Proofpoint-GUID: YHH6LkhCEbhjdczpzQjMmEF8zeZFjTut 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=2023-05-17_05,2023-05-17_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 impostorscore=0 mlxlogscore=902 priorityscore=1501 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305180006 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently, hdisplay is being divided by 3 for DSC. However, this calculation only works for cases where BPP = 8. Update hdisplay calculation to be bytes_per_line / 3, so that it accounts for cases where BPP != 8. Reviewed-by: Dmitry Baryshkov Reviewed-by: Marijn Suijten Signed-off-by: Jessica Zhang --- drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 5526a51b3d97..9223d7ec5a73 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -952,7 +952,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi) * pulse width same */ h_total -= hdisplay; - hdisplay /= 3; + hdisplay = msm_dsc_get_bytes_per_line(msm_host->dsc) / 3; h_total += hdisplay; ha_end = ha_start + hdisplay; }