From patchwork Wed May 24 17:45:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jessica Zhang X-Patchwork-Id: 13254405 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 173A5C77B7A for ; Wed, 24 May 2023 17:46:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236127AbjEXRqi (ORCPT ); Wed, 24 May 2023 13:46:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236057AbjEXRqg (ORCPT ); Wed, 24 May 2023 13:46:36 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7220410D9 for ; Wed, 24 May 2023 10:46:10 -0700 (PDT) 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 34OH0AsD015161; Wed, 24 May 2023 17:45:37 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=T+RG0NCUK7seSOqljeNsqBVRreNAluR7v/tuYQ/EA7o=; b=jEIDM1wFgTSRohQZ+zzving8IKnYydXLv/mF8U1FGdF0XixQAh2GVj+CWpf79PWJViSp draMPMcEyMkHsrszPfeESCyDCPpMxUrTyJHE1sakvYzqo4M8/Xkkb3V/QxysipLJOZxo /nshoJryL2K1UP8XDYExGJhdVkX8gWP5pZeLyQH3thFrFPwJ49uXPKWFgdx6RPvKgBUY 73nChhnBbDMhbqIwYt0F347YJsPGIPykmAyyYyBML+4KMuA+LGKonP+HPKk3v9Y+j3/C 2TYnOwLFzF8RhG+UgVKj6CmVTuOg5MwZewlPqZ9Hr5TJWhfgaa6XGOQa0KFppQgACjqN WQ== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qsf881adp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 May 2023 17:45:37 +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 34OHjaRe021895 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 24 May 2023 17:45:36 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, 24 May 2023 10:45:36 -0700 From: Jessica Zhang Date: Wed, 24 May 2023 10:45:19 -0700 Subject: [PATCH v14 6/9] drm/msm/dpu: Use fixed DRM DSC helper for det_thresh_flatness MIME-Version: 1.0 Message-ID: <20230329-rfc-msm-dsc-helper-v14-6-bafc7be95691@quicinc.com> References: <20230329-rfc-msm-dsc-helper-v14-0-bafc7be95691@quicinc.com> In-Reply-To: <20230329-rfc-msm-dsc-helper-v14-0-bafc7be95691@quicinc.com> To: CC: Marijn Suijten , Konrad Dybcio , Kuogee Hsieh , "Daniel Vetter" , Rob Clark , Jani Nikula , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , , , "Jessica Zhang" X-Mailer: b4 0.13-dev-bfdf5 X-Developer-Signature: v=1; a=ed25519-sha256; t=1684950334; l=1416; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=hh1KdptbnGp+cN1KZZ5tztNBtU1X7gYJ7uv+ZikLd4E=; b=2/AdQtQ7zEpMR9uTTttfsipJFklJoPWSt3Oi9+jiXoDo91ZcoOH755+B6y4BdRKG77Pb0PGJr Dct1SUohTteBjSMLooHrd27hehWeivM2lmHqygddjR+i1wE8Iq3sZN8 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-ORIG-GUID: c8MtplMcecWQ-2zg6g6WdHVmDs9Ip00f X-Proofpoint-GUID: c8MtplMcecWQ-2zg6g6WdHVmDs9Ip00f X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-24_11,2023-05-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 adultscore=0 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=841 mlxscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305240146 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The current dpu_hw_dsc calculation for det_thresh_flatness does not match the downstream calculation or the DSC spec. Use the DRM DSC helper for det_thresh_flatness to match downstream implementation and the DSC spec. Fixes: c110cfd1753e ("drm/msm/disp/dpu1: Add support for DSC") Reviewed-by: Dmitry Baryshkov Reviewed-by: Marijn Suijten Signed-off-by: Jessica Zhang --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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 4e1396575e6a..3cad6a80af97 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dsc.c @@ -3,6 +3,8 @@ * Copyright (c) 2020-2022, Linaro Limited */ +#include + #include "dpu_kms.h" #include "dpu_hw_catalog.h" #include "dpu_hwio.h" @@ -102,7 +104,7 @@ static void dpu_hw_dsc_config(struct dpu_hw_dsc *hw_dsc, data |= dsc->final_offset; DPU_REG_WRITE(c, DSC_DSC_OFFSET, data); - det_thresh_flatness = 7 + 2 * (dsc->bits_per_component - 8); + det_thresh_flatness = drm_dsc_flatness_det_thresh(dsc); data = det_thresh_flatness << 10; data |= dsc->flatness_max_qp << 5; data |= dsc->flatness_min_qp;