From mboxrd@z Thu Jan 1 00:00:00 1970 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 57775F01812 for ; Fri, 6 Mar 2026 09:26:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BA68E10ECBB; Fri, 6 Mar 2026 09:26:00 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="NYJVqYf8"; dkim-atps=neutral Received: from mail-pg1-f182.google.com (mail-pg1-f182.google.com [209.85.215.182]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9D8DB10ECC7 for ; Fri, 6 Mar 2026 09:25:58 +0000 (UTC) Received: by mail-pg1-f182.google.com with SMTP id 41be03b00d2f7-c7059b9df33so3434846a12.0 for ; Fri, 06 Mar 2026 01:25:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772789158; x=1773393958; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=7ewHGacURbR5hWeKGyZInp1e9Eq3/0vuCV0I4zH6dBM=; b=NYJVqYf8axiPKJtBGPsuwGwiUCpeee7I/Ht3MO++LSE/LkuOzKRLnvVF/FfOq0GpjD w+acskFwb7Ueo4Pp/sw4FskAOUSQg95KmO6Phu9Tc0N3jjAulCThwalKfVhNQibQ0iNQ JlY0tJuai+PgICun8WBuhJSC7W9vZmvh4YesalrFThLwSbVzFDcHFCIwZP9SJhVer19L bE93j9FpMrebINjEYy+YYtUU8WfQh/7FigUkuVs8dh0YloK3Tw8CQ+85Ity4/xNFCkAb 7pCs2qmFvsjXzKVdf1fJot0kDUmIc1uJDQz50AfWOIIrOu2+az5OXmOXx4iTjMWRn59z 0ghg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772789158; x=1773393958; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=7ewHGacURbR5hWeKGyZInp1e9Eq3/0vuCV0I4zH6dBM=; b=WjK4+sB9lvcj/tcPexqzW09JQYJGBgB3P5K8R4wixw1XW5aJxCIsFzsh3bjyvhFnCF fBxb5MrXpLJkPiA1IsKoYiRddyows0bGzknoMuBrSYpoJZRHMg6PeIIlRi3VsAb8XL6c 33zcFJZ5SP02QfHx76Z21RM3973ucfFgSg4RC5DbcjvXxZZg0QiuY2VdxA3naxTJhP0p IoRCzuLSmSqXHWpE1zjDZIGKICvAUELlpRcnzq1wtyYV5QYInlpf/zv46g+dE6UDs/Q+ Ek/5oSkHCrH7ibTRXNYiYgVKwnspWjLpN6Y+TwxiSMISTf4cxd18uyIFV8TQS1aUbgoR Q0kw== X-Forwarded-Encrypted: i=1; AJvYcCWNrQuOwj1kPsJNoOlHvA17rfIOn6I/Jy0iHGwWFBjIJ5ZrzmXwzFGjqg0eXJa2XWkl2kMH7VBro98=@lists.freedesktop.org X-Gm-Message-State: AOJu0YwNZjl+2NKJxPJqVChA2f3gFZu3GcluTX9btEU4wazBXDc2d2b6 HSgTSTzW+/A6dhPUw/PowuPZKUPhzLVMkxjE/3TS9ac7kNG+GPtJCiJI X-Gm-Gg: ATEYQzzdnCafj05GG94xFqJ1KGHLnrwTYD8/sHMcSg9GSl4wTffJIJXtUSim3Pze9IB fCu4lINS9ZDGUw4nwbiWTEt9ycggx8PEtehO/mX25KVkmOWS6IPe5XpasPPTDD6/pS6r8gU8AVD P8F+z039WChyCUZ2cPHL9BDoHazvsAqa2P5HjhtGK1b/4ZfpszfC5IfwadFddcKD3THak1xFIU2 XGImLnj5mVvTVDdLJzRrFDQsHzX4IMKPsCKZ9Ne54pYIoRz0Pprk7GJTSfGxq504cqYCG3bQno0 KHA9tacYWcf1LM4K3JNuPGMB3uNUmfflUw0A8Uz8K93RQQZT+qq/ngZ9qDlS1Ohw1+7Xr5ef2MZ yPtZPXPzpjd5P4amYBr/KnspXWR2KmHi1HHgOuNph4S0EiLQ+Z0us88Jskm0JSG0EsOGddiy9G5 tft01rG9zxZ6EYFuphbQ== X-Received: by 2002:a05:6a20:cd96:b0:38b:e8f3:7065 with SMTP id adf61e73a8af0-3985a84978emr1449373637.19.1772789157619; Fri, 06 Mar 2026 01:25:57 -0800 (PST) Received: from nuvole ([144.202.86.13]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c739e195c40sm1021673a12.31.2026.03.06.01.25.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2026 01:25:57 -0800 (PST) From: Pengyu Luo To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Eugene Lepshy , Danila Tikhonov Cc: Pengyu Luo , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/msm/dsi: remove bpc > 8 entries from allow list Date: Fri, 6 Mar 2026 17:25:00 +0800 Message-ID: <20260306092518.37849-1-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In upstream the msm, for bpc greater than 8 are not supported yet, although the hardware block supports this. Remove them until we support them. Fixes: b0e71c2637d1 ("drm/msm/dsi: Allow values of 10 and 12 for bits per component") Signed-off-by: Pengyu Luo --- drivers/gpu/drm/msm/dsi/dsi_host.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index e8e83ee61e..b60b26ddb0 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1824,12 +1824,9 @@ static int dsi_populate_dsc_params(struct msm_dsi_host *msm_host, struct drm_dsc switch (dsc->bits_per_component) { case 8: - case 10: - case 12: /* - * Only 8, 10, and 12 bpc are supported for DSC 1.1 block. - * If additional bpc values need to be supported, update - * this quard with the appropriate DSC version verification. + * In the upstream msm, only 8 bpc is supported for DSC 1.1/1.2 + * block. */ break; default: -- 2.53.0