From nobody Thu Apr 9 18:03:29 2026 Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B3CB33DEE5 for ; Fri, 6 Mar 2026 09:25:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772789159; cv=none; b=h1iRoY3q6O5Wb9CnmKAzfExk7IhP8Tf/4jpn6Q7yhR4uvSSIkiqoceNHMDniWYgqGwQf8YCtsHR8OaPlhT3oKbWKllnk6ngC9uR4KUwhHT2Tdi0ieKWFfk0QVNk5fimy5eivpSrHdBRTzrZVZwrZNRup6yBtlgMj4tnTm6M7ESY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772789159; c=relaxed/simple; bh=kfZgAHlSr6nZQja57iAH7qUSL/+/SzdzRgomI38zw6w=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=QAL9HQCQV6q0bKfY1525FyL+7TnRzSXnasfe+IVhikGzSUOE564VRJlGdAqfR96vo3OmllxBGI0Ai2BYLBSZg4XRuPYMqA9vBR8wym4Gf7xm5V3dR7epm2bVFaoQBRDxNnMETBEBV9HVF7yczr/YicJc6xiTH7A6yaF6K0YJr3g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fEP2Jh0b; arc=none smtp.client-ip=209.85.215.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fEP2Jh0b" Received: by mail-pg1-f178.google.com with SMTP id 41be03b00d2f7-c7059b9df33so3434847a12.0 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=vger.kernel.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=fEP2Jh0bD1t2cI9u+1y6Dk4aQwCe/9TdTrG2SttVHjN1hzn37Ha1B7bfX13Tm8nIyc iadT7M9b1f+v2rg6FRhx7w3wa5GsIYY470vhbyn0u9RH7Agk1I4kq8+lp85ixklSQaO4 Q9Ct854xFgPT2bb8+gFhTpTH53OqCLFQNWYqxzDrKEYhz0MBQ6pPgIl+hKJcDNO836/l bKGk5LAE3zIIyKQ61VjyId5SFpdryermqxpq58p35d8De3i/s1x2KD8y0HYkgcc4yZux rXAK1/2C02T6rZx15X9wC6oH49ZZV05JDc1eNHgSL/PlzUwcssq9UzklphP37z8a3uxX 3Mkw== 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=Zfd6xZb2/LCvo3b5YOlXuoI/VUyh1oBnEDendHasJdq7vjBo8mUH+3exfC0HxH+3Rc ZPBk8/OzoQYp4YEwLFV98ay1Fg9mgOcRxKI9UTMPa7bDwUH+SVA9eAkysEFgdgRAC5uy NVZ/ygQmJgTzhQHPgnpoELf6e3HgKfQAj+/oZXR4n5q8vGhQQnseJclbJsa7A56X4H2J p7IK1465vc6RCERA0UKjHMRkAluMqFPCaImtvNyB5AKz36TUB+oFoLKfVhg07HC7W0S1 uBmIAVkvUPMCO24BSsZjUfp2IKvQWfyRBLulNq9aH11vXKDeVSlEEWJovoq/6scDdGlr jF2A== X-Forwarded-Encrypted: i=1; AJvYcCWXO5SRhpapKMVdQmpQ4Lz5jSdjIerkXGGeJ/1tuRJThYtCbiiZLLnHQu1pllz3ToYzb8uDrpM22c41f04=@vger.kernel.org X-Gm-Message-State: AOJu0Yxb848s5rB6TIFRNg59No8hdbJ3lMKyScPAVukfTNELasNdOcpd yGqfVU8+EKVwJWP3gy0oy9y2PDbusd2+d5JpQqolw+A6zH4LVS/hlMMW X-Gm-Gg: ATEYQzzoeocsCUU6crTV4kp1bH3VvEp1/gxd9Q6F8AZQMSexgWnkzd/POrInMXVTk/l 83ECHmacBkqGnZBE6gJ2JpaB6mTirixqSAZLsGDzYjJIJmtuT2J6vCcnuz1QISyzQvVb/7otgDj qCuAF+d/HpFcbzm7qSglOiS3d8ASRXGyojsXjecdrqfR3s3jo49jm9ZWHljli9z6IKMfMFjhAl3 TuCTKaGVw3YQIOflGUuJVpxlQRsUIlZq4VOuGxlH3GdjZqZfbDn2vwcO07GwSSFGU4iIVv6Ziyg Fd7qDs5NxL2WQu81LiEEN35OkvkW174lHufydZverJfsiZRfX8xcMhEYRBvDhGKw2bC9V3RkMK3 uxn8bqvnyGUs+tagAXY2XY1ZoAWUao9FdrpTuvKYMq0yk7V4urgo+izitKuvxKofmneoX8H70Si vV7y+W6Sk5JohYNOPIJw== 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 c= omponent") 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/d= si_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_ho= st *msm_host, struct drm_dsc =20 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: --=20 2.53.0