From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) (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 2C88D30596D for ; Thu, 26 Mar 2026 23:47:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774568875; cv=none; b=XJg1v1VWXgkPsPeLgltag4WaCSeYVP66cbYe7oZsjIaXDIEf7+xD/wgzRAn5iEwhgCCtvO4M4TPMbx1iity/TBElLjt+aQDo3/J8nV5etiHD7Bh1KZQUc8bQ+N8SeJ0uzQngM74G9Do1679g33GGJwtidnEgElAPYJ4Gptdh888= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774568875; c=relaxed/simple; bh=mQkiW4SfMzS137EmyrdOnE67zcpG0+2zfv8kd36ZGCU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OlmhDDZZg2zJ97zM14ccy/eJM9qrSUr+6Y8qeVXeU6gBE+tFId+Cp8/X02H6iLW4wg+XdnT00jd6l56f55qzSp/UXbd9G0msurz4l67lTkrVbtfwUFOeIIxd5q63aYU8sIhr//rBq96TmtN446o8mvxfhSFKlNA6AA5nLu2QGTk= 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=SdQ1VVwB; arc=none smtp.client-ip=209.85.210.175 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="SdQ1VVwB" Received: by mail-pf1-f175.google.com with SMTP id d2e1a72fcca58-829a9d08644so798399b3a.1 for ; Thu, 26 Mar 2026 16:47:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774568872; x=1775173672; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0/3ZOVQYuvF8/v5An1EVVsLN1VlAxvgYs14Kv3HQDNc=; b=SdQ1VVwBAY8AZrB4tlI5vEp3JaEECyx+DQYQjWk5/omoRpNEJxl7P3iNyasnpRjgMn 0hhrOH5DEQBHH0BK7UYaJzAFF177pCZ4CK5TCokb/y+e5ptil2VnrnSid1CA88+SP4xE XnvmuzKeAXEf7siBReq0MCR+NcV1aDlBOmScgMw0Rk1a9AsQ06WplUXouZiYDP+2wptw JTi4/2I1SjluzROCRlhzYu+XXT/4ypY67TqAQEYT6a9aHZ3MI6iPaDSZ+0GdPjbEHC05 74YdiLnqvGfptsNc1SwBXgVo4hsrJb53NTgPLRO0jp/HfPO/lM4xMLz3kWtzDYq6ZQd5 4Viw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774568872; x=1775173672; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=0/3ZOVQYuvF8/v5An1EVVsLN1VlAxvgYs14Kv3HQDNc=; b=H14C1UGvQLIl7C1QFUKE/FSk6z5iYt24CbuunMl4RAEvvnXstir29e8ca+oH05nYfh GuKEAckJ+VpfVW6yegv2tKDIzKGKT3lDH2lyKfwcozccMiMA2+AExDQHl3V2CITFkBP5 eYTUcaGI8HPWMc+9unuUaD/AKauWUT+/RWSWqpOOa66NoX1nfARGxuAZ+Cwoe+vZgq21 7KR/WE6QmDKyV1VseTkOkG+FPisU/y3sbLyy5g+XxMlQxdwX4QH8rJZXAahXy4XBP3Xj inMSRPk4beJxhjIOWA++RLyz9ycGlXAiba4XlZsOsPu6qWcO268+Lvdw4XRSwjl+5bQt MQsQ== X-Gm-Message-State: AOJu0YwA6/JaGBmD5S+kZQ6/crhty0G8zl1pyoV6dmA/O39Aek4nTSv7 axzBVIyLgpZY0H9DafytrpDuuCO6J7MaC8HB6cee4M9M2yPQ5OkmfP+1jdMsVQ/N X-Gm-Gg: ATEYQzxqv29wtamIPleYod2WrqBRobc1/CNkf+HkOvY6oEqPoi6od2sNxxr+5EohQlG ZsnTuuK5Wef40p/7qZhV8PkQsfqNn/kQ4L5tWhiotclnpHdxNuxuI8sBFil2HVBG0UNPJ8T+qxR 5lTyetlJQdT1lub1cSHu9x0yY+X9F+a/IMkN6Vzu11VG01SDKefA5PY5omGligTObVGKOU1Qcmg ZhuDSiKX6KnNovOVZwmQU+WCw8D5yX4DAyx0ArNsgZWOt5JvsVrR4fp9+2gGJnPs+GsQxMKLB4S 11U+FfSI8fnO8hILDskNMndWsKZjsq8MNhjCkU8QDpcKLQ7ECaofLFxIP86pfjPs2+K/NSteHoD qnG9w1mw5oR9oke7IqXatogkN0D5KG8lERBx7lr0gzQv9aUsaZd/xdnyOUQx8uZeoFyFmn5q/ee hmLtUAAxQiqACG+93QOPcdGCvJEGC3ySQhCEv27nyx74u++jfuaS0uNHI= X-Received: by 2002:a05:6a20:3ca3:b0:398:a060:a97b with SMTP id adf61e73a8af0-39c877b2c2fmr512115637.1.1774568872136; Thu, 26 Mar 2026 16:47:52 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d::8bd]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c7673933816sm3201162a12.21.2026.03.26.16.47.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Mar 2026 16:47:51 -0700 (PDT) From: Rosen Penev To: stable@vger.kernel.org Cc: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , David Airlie , Daniel Vetter , Harry Wentland , Leo Li , Greg Kroah-Hartman , Bin Lan , He Zhe , Vitaly Prosyak , Alex Hung , Rodrigo Siqueira , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Mario Limonciello , Ray Wu , Wayne Lin , Roman Li , Eric Yang , Tony Cheng , Mauro Rossi , amd-gfx@lists.freedesktop.org (open list:RADEON and AMDGPU DRM DRIVERS), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH for 6.12 8/9] drm/amd/display: Disable scaling on DCE6 for now Date: Thu, 26 Mar 2026 16:47:15 -0700 Message-ID: <20260326234716.16723-9-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326234716.16723-1-rosenp@gmail.com> References: <20260326234716.16723-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Timur Kristóf [ Upstream commit 0e190a0446ec517666dab4691b296a9b758e590f ] Scaling doesn't work on DCE6 at the moment, the current register programming produces incorrect output when using fractional scaling (between 100-200%) on resolutions higher than 1080p. Disable it until we figure out how to program it properly. Fixes: 7c15fd86aaec ("drm/amd/display: dc/dce: add initial DCE6 support (v10)") Reviewed-by: Alex Deucher Signed-off-by: Timur Kristóf Signed-off-by: Alex Deucher Signed-off-by: Rosen Penev --- drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c index 978c024c97ba..3f9ea4fdc7d8 100644 --- a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c @@ -404,13 +404,13 @@ static const struct dc_plane_cap plane_cap = { }, .max_upscale_factor = { - .argb8888 = 16000, + .argb8888 = 1, .nv12 = 1, .fp16 = 1 }, .max_downscale_factor = { - .argb8888 = 250, + .argb8888 = 1, .nv12 = 1, .fp16 = 1 } -- 2.53.0