From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com [209.85.208.172]) (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 CEFA53FE64F for ; Fri, 12 Jun 2026 16:41:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781282470; cv=none; b=XjPA1/Z2tzkC8Z0sK+EvieQjZMxQ3zzAcRNCDpkNkUq0DwH43K/yinq2Y796g76EngwcvIsJMdbyAMkjZBz2V2X3dDSz9xWkphoZvo3HRgESU61twpcDjBz/bGwRoQrOUyjUC/3eVHWsp8cjwsBD/8/GxundPpFjJzfzfno2rt4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781282470; c=relaxed/simple; bh=1VuwjjnibSEynGJZTNdWptD7eGQ15aIWeYvxHAlFM28=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=SssakNsrKlFR8c4/9CeyoZMthRKIcS2u5Ph/uthbonLfH514SOW1QcOhu7WsIYsI/es9j+USYaB8o8bsFKivG5UWW7maqRiIHdaYP0FCoWzthQsBhwW87CgqJ0AI8wwrllhJRjcE6BLxcQQ3N5S8ApdwxocNHHShspY2YWdhk20= 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=ZXoH7PdN; arc=none smtp.client-ip=209.85.208.172 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="ZXoH7PdN" Received: by mail-lj1-f172.google.com with SMTP id 38308e7fff4ca-39661f81eacso12106061fa.0 for ; Fri, 12 Jun 2026 09:41:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781282467; x=1781887267; 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=TftuUnxE9Lrtjc/EIh1Zv1ggKOyOeIDF4rAIqHU2nvc=; b=ZXoH7PdNlYYy7/TBHZFkvY/Hr97FTqFqJv5g7RFgs0bXjii7CBVKPaxI74hGBgnPXL jCgE3UmX2S3OwaBbf5Oh0Et9Ny7oTX4Shlg2NBHK8Ow6yHyum6TGh/VJTQK1+VnYlwJf uhjQkRkpteOI7Jpn3wrla7CNOMArQ7ofQzkcOtIA2SKl6vWmjPhH3gEwz2sfU3YLCtUY moAkVI1CbJOD71dPPUIzOA1sH20/lFrc2sfEzA/CoHsu6sGCdLvtu3XCJdLMGwMJ4HTi r6XNpqNP8B7/9C1+1ULem5abFS4ltbRKKmUyd3BM4c0kR3C06fcKFzOTehJmLsGI95er BNnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781282467; x=1781887267; 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=TftuUnxE9Lrtjc/EIh1Zv1ggKOyOeIDF4rAIqHU2nvc=; b=RFrXsjjTs+rufLQApZizO8ta0rsgGmAP8zO0MdLoBWkvRJtNIpPbzJjqjAomGNHmuK DTJ+BeNlfokQTCFnC0F06oeUEwHiqe1DQArh5DUketDgQHrnRT2G1vqKySYqMO28J3CB HlsrjxjBv6ydM4P50aWLToGY83Kb7VRjp7cIyNjCq05DCvGR6fgXj3TvK/tNNCKPi3dD oiOUsSF3udORPJbDbft57xu3yXCExB/l9Lh5AhZizorAxAQJxEJ25AsTFL25271HMH0z Ae6ZDRmoQ6A2TmtntTMExwvrUAGi09N0U7ejIiyrbnyUPJ3JJocTlH1DD6dKLDjr5mQl YY2A== X-Forwarded-Encrypted: i=1; AFNElJ+CtHEQVy8wxJboowU5bDtsutt7LMHjRuCxIfib/kLcbh604s75BbYKwLYaX+glrnmpdujudk5b143iNx8=@vger.kernel.org X-Gm-Message-State: AOJu0YxJeYqnhR6LM/wEkY0kxIoiuKP41xnzySYDAxs/6sjF99EslXOx +/J/A/6ceft7anQDdpTlukNGd7KDEnzhKg/LfJjrzYiL7zmQvq8niC9F X-Gm-Gg: Acq92OGFQu3JBvB5dLVRJsZZNuO2/pHhDlZMEcbPOUX0dWwGwMGUQyfzbH9ggC1TxnE zI6YxKZDxPuPslgVU8YVfT0/tkZIpQIwxqOJsVCyaSojhvYRqUT+W3sH+1/fu/U1QlA2mE4fHqT NNsFW5zYtdKrl4Qc53Ypo4aga+ZLBXYwsjLtXiOnshkP97wb8MBZyqejyvKF+rbmAbsp0rfRW7b m1PUhc0+Ucpu8lO9Ano0oC+eI+SHwuIh9Fc2mUA9kWvGt4oSkizGtnB2z9iHl6M4p0A7WL8bMpb D1GESKbhtAZFWuooP2R/yiMkKV5gQJzmz3YGdUlam0GDfjHijkaoy41XWCxy0a95rW05DVghJHS WRykI8u4VL/lkjhI+v0SKhRa0sY/UHDRjj9BWSlIwqX3UfxXAoVbyIS5UhR1rCnjSgFrqKTATjg wIC3KEJjTxfFHQ12u6ebaWicejIsI3zdEFKv7UkV8oNebaCj+ewU9QBooMspdRC3s6ce11sQc= X-Received: by 2002:a05:651c:1473:b0:38e:8357:c5ae with SMTP id 38308e7fff4ca-3992bdb782fmr8104031fa.9.1781282466664; Fri, 12 Jun 2026 09:41:06 -0700 (PDT) Received: from maverickamd.dyn.int.numascale.com (fwa5e61-57.bb.online.no. [88.94.97.57]) by smtp.googlemail.com with ESMTPSA id 38308e7fff4ca-39929f18210sm7484111fa.22.2026.06.12.09.41.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2026 09:41:05 -0700 (PDT) From: Steffen Persvold To: Helge Deller , Simona Vetter Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Steffen Persvold , stable@vger.kernel.org Subject: [PATCH] fbdev: modedb: Fix misaligned fields in the 1920x1080-60 mode Date: Fri, 12 Jun 2026 18:40:41 +0200 Message-Id: <20260612164041.3652599-1-spersvold@gmail.com> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The 1920x1080@60 modedb entry has one too many initializers before its sync field: a stray "0" occupies the sync slot, which shifts the remaining values by one field. The entry therefore decodes as sync = 0, vmode = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT (0x3, i.e. FB_VMODE_INTERLACED | FB_VMODE_DOUBLE), and flag = FB_VMODE_NONINTERLACED, instead of the intended sync = positive H/V, vmode = non-interlaced. fb_find_mode() then returns a 1920x1080 mode flagged as interlaced + doublescan with active-low syncs. Drivers that honour var->vmode and var->sync when programming display timing enable doublescan and the wrong sync polarity, corrupting the output. Drop the stray initializer so sync and vmode hold their intended values (positive H/V sync, non-interlaced), matching the adjacent 1920x1200 entry. Fixes: c8902258b2b8 ("fbdev: modedb: Add 1920x1080 at 60 Hz video mode") Cc: stable@vger.kernel.org Signed-off-by: Steffen Persvold --- drivers/video/fbdev/core/modedb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index 7196b055..333b3d9a 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -258,7 +258,7 @@ static const struct fb_videomode modedb[] = { FB_VMODE_DOUBLE }, /* 1920x1080 @ 60 Hz, 67.3 kHz hsync */ - { NULL, 60, 1920, 1080, 6734, 148, 88, 36, 4, 44, 5, 0, + { NULL, 60, 1920, 1080, 6734, 148, 88, 36, 4, 44, 5, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, -- 2.40.1