From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 032912DC32A; Wed, 11 Mar 2026 08:18:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773217115; cv=none; b=ZE5ZLuRdO9xn9zLXs5vS3D+wB8NX643DFNYPTbsv9g5KJ5y8XR0zXdBBUGztCTA6uW/YSjFgRUQjZS+uo+k0RIenHt/L+Te1tn7H3fkUhgIZBpoQCSDoNof55+nKxbuZxVBv+MdfGUKI0N4c9mkkjMZ2q00Nn4SIRTn8el/bOFM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773217115; c=relaxed/simple; bh=JsiXvtqM4hshVXbx2g1T0m/5m/S449H33iaqaYFZJ8E=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=TVG93PWLh2KQjCoV2ekXJRYdrMY2Z0DgLwwpmtx0XuX8CVC2ROK1zjY2jILkYHo7ZHtMekg7d3NuGahTDh26an7YjpScGaaSL6B75ckaxZaAjtMI78P17QdxNEibL8E2ixYIMu2Y8IYElr1jSYxjxrBA0at0V4upKvQujTSJzow= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=jGTS82t3; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="jGTS82t3" Received: from [192.168.88.20] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0FD2012BB; Wed, 11 Mar 2026 09:17:24 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1773217045; bh=JsiXvtqM4hshVXbx2g1T0m/5m/S449H33iaqaYFZJ8E=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=jGTS82t3UzmrhVD0qROTkaFss9d+/+JFkKuWI1lgpkjS3FjSxnSRmPvrGV71ySZQK LDDGAzG/8nUKpOLfIkXRPv0RBqfsW55KTjGhORzK6ROrqgZcbHprx9PnYGltYHZUGK 2oH7ugun2IXHiVIwoiiR+d+YCee6sQi+ocrSZdc4= Message-ID: Date: Wed, 11 Mar 2026 10:18:28 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 12/14] drm/tidss: Drop call to drm_mode_config_reset at probe time From: Tomi Valkeinen To: Maxime Ripard Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Jonathan Corbet , Shuah Khan , Dmitry Baryshkov , Jyri Sarha , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec References: <20260310-drm-mode-config-init-v1-0-de7397c8e1cf@kernel.org> <20260310-drm-mode-config-init-v1-12-de7397c8e1cf@kernel.org> Content-Language: en-US Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 11/03/2026 09:40, Tomi Valkeinen wrote: > Hi, > > On 10/03/2026 18:07, Maxime Ripard wrote: >> Now that we have drm_mode_config_create_state() to create the initial >> state called as part of drm_dev_register(), we don't need to call >> drm_mode_config_reset() during the driver probe. >> >> Signed-off-by: Maxime Ripard >> --- >> drivers/gpu/drm/tidss/tidss_kms.c | 2 -- >> 1 file changed, 2 deletions(-) >> >> diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c >> index 8bb93194e5ac686050c47f986b8cb6063eae22d3..b4779c09a1bfa5be7010bcd7d4f1379362996d2e 100644 >> --- a/drivers/gpu/drm/tidss/tidss_kms.c >> +++ b/drivers/gpu/drm/tidss/tidss_kms.c >> @@ -285,11 +285,9 @@ int tidss_modeset_init(struct tidss_device *tidss) >> >> ret = drm_vblank_init(ddev, tidss->num_crtcs); >> if (ret) >> return ret; >> >> - drm_mode_config_reset(ddev); >> - >> dev_dbg(tidss->dev, "%s done\n", __func__); >> >> return 0; >> } >> > > There's actually a bug in the upstream tidss driver: it has another > drm_mode_config_reset() call in tidss_drv.c. I have an unsent patch to > drop one of those (the one removed in this patch). Without that patch of > mine, both drm_mode_config_reset() calls should be dropped to actually > test the functionality with tidss. I sent the fix: https://lore.kernel.org/all/20260311-tidss-minor-fixes-v1-0-ee5e6e14a566%40ideasonboard.com/ Tomi