From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f182.google.com (mail-dy1-f182.google.com [74.125.82.182]) (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 26A761DED63 for ; Wed, 1 Apr 2026 00:39:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775003986; cv=none; b=C4SUr7ZIKKGSuX4613E29ZmqhSxpm4FpbL8YHAg0A2Oxaf+F0xDv8mmDTXvasSFJeiGs2czCO3JZUtobz4gVBEDEeb0qRtwPGCfx/huwfKixou3D0SOaiWdd89aqZ9HytznSq2df3r4VFn8WvIclx7Ew9LXyoriFlG7A+z2QKok= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775003986; c=relaxed/simple; bh=mQkiW4SfMzS137EmyrdOnE67zcpG0+2zfv8kd36ZGCU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Oo6OPICykIvhO22KIkCllquCXlRy+d39D4SiPCHCzn0b2lli1sA7yA6fwFOXW8mqjeKWuclTEzBQkKe4kflYfAvUjwH3bk8T/cNJ7ISvPJW7XmdfuoWR4Rz8MUACo6m//BCGLtxvzKTvTZtbIKeYhlxOCdCd1M4pPLkIV4TAWgs= 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=UR+j0dcw; arc=none smtp.client-ip=74.125.82.182 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="UR+j0dcw" Received: by mail-dy1-f182.google.com with SMTP id 5a478bee46e88-2ba895adfeaso6814915eec.0 for ; Tue, 31 Mar 2026 17:39:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775003983; x=1775608783; 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=UR+j0dcwrEW7NoOEXqGZQ86ss5xP4Jo3RjFbTU1IQrpZNIufyEO3xV/VpvhYg4GJsy SdumfMFjv0cF5U0XCyT1ho6TnzMO4XScts+yxbLeAGDI6/j6D72t82CccZLNNc2mXYFG URV/R9JlSBYTc0Yvl9LP2+53ts0tAwJ3bFXwtRlRXD+beFDkmDu/ED+ZhLhhXsOeKNR0 3YsRulO7j4KAlmisjIGkgXsrSeNEqQ/6U//rdFFCOKeNQXlzxk848d5apQZlCDp25oAi 2JNfdjDfJdWHc985TvbmOUPV4ugCAoIWs47Z0yZ5W5UBbBODHDkobSNVbgdOcla25MO6 ETEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775003983; x=1775608783; 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=Tgnkqni9Mj4UlRnwG2PrMJzdP3XBy2WJr/+l1jn3NA9A73GK/NkGhu97jWX4sgnGwr GY+Msb1kSaV6Z1CraKaGNYXRvRoTEm0VWGTtn7xccBU67fsPZgZ+PF5JPTRvmO/k4ogb LHgB32pNXduMf862kjEIxGC1Fg+8rXXiGzDROeBo3e+miWtJTJsfRnKRuOy7MUCDkyL+ +TUARS+kvD4lxzBgsKsFr3AC6jKoFBTUjWe84jJYGbQ69BQTP6O6Trei5cNEdqNo0yQA yAxFoOP5on0BEsmYG6JyT8EMQqNJ/TlhSfJYPfGPek/DDvgddnjiY0ADAPnKHx6yLemq w7qg== X-Gm-Message-State: AOJu0Yy0a/BBw98xlAPWHAjnx0o/iq13SDzfIJgip3E6JDO1rLCkfMlW fKRnyVDhIZTezNh+7tZ8bnjxNLKdMep4sj+96qFWLAaVTCYRd+F8/AI9ZYi+dqVm X-Gm-Gg: ATEYQzzLI93Y9oSgge9LvL0IP0lnzQZODt1EjbmSOZVAjMjLTveN9XZK+M6Nm4IPVGc oz1BU6kp+b+L+aO2UNO/9DQ+9wPNtCprPYCFSM59c1JXb3Ws5iAUH53OtznWoMo5Cy6yew9WdDI n9iISQGNSkGYJestz0tbBUEsiykX1CRrSZaiMgtDOG+82jhCRpvkNltKj3blWPwoM78lefQGo+Y 8LL7mrSKcFOMsRa3YIBOY6BdpsoyExsCuRftv+bNupjjUv6NDXIdQh9nHy9M4q7/oqOzYsO+ELu c75TdmFW4H8Vuwv5aRSjrVeW1ksyLuGOvvFrZIUAl4GhMlagquQe7po5VDesM3SQCUdD1B+ukkZ BAOZCDkHzz5e9d6ERjwGA83SbR6uS/S8IIjhv4DrZOUUQI+czkKz8B33ZZlGzFEuFwhgIn02IjV QNSTtsyFJEUH0aOngnQef0LfNHqZHF88PjvopeIQ+S8osivfcTCKb9Hkw= X-Received: by 2002:a05:7300:fb8b:b0:2c4:b8d6:45ce with SMTP id 5a478bee46e88-2c932aae004mr813092eec.25.1775003982823; Tue, 31 Mar 2026 17:39:42 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d::8bd]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2c3c3bd9894sm11543019eec.4.2026.03.31.17.39.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2026 17:39:42 -0700 (PDT) From: Rosen Penev To: stable@vger.kernel.org Cc: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xinhui Pan , David Airlie , Simona Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Ray Wu , Wayne Lin , Mario Limonciello , Roman Li , Eric Yang , Tony Cheng , Mauro Rossi , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Alex Hung , 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: [PATCHv2 for 6.12 08/10] drm/amd/display: Disable scaling on DCE6 for now Date: Tue, 31 Mar 2026 17:39:06 -0700 Message-ID: <20260401003908.3438-9-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260401003908.3438-1-rosenp@gmail.com> References: <20260401003908.3438-1-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