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 1F1D21D1E7A for ; Wed, 30 Oct 2024 12:26:50 +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=1730291213; cv=none; b=Pj/k+/Z+WH5zRWxUML0uNJmRpCTVb24s+KOCxJRVxZRUCCNAu8VLcz0DgZ5+mCRD+qEzmYLqedPwxrSJGUF1nfsNpuD/2QUmpUdNtTaZLtLa30pizjv1vieKsB+lScj2LQcM9rTXK0W+zrmGupKg4D0YREpHMKPmR2YznUSRAL4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730291213; c=relaxed/simple; bh=GSfoZQlqZ6IOr+xb9j1QNSrmb3GGQ0WH2j4qboNNjrs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=TRPXbj207v8vlFBeiTzOiF2Y2sX3Zj/P7L2+BXjjRjdRLKLYUcU/RKpeM+T1dcIg9cBJvWGQDulDBbRzNKyiMNMl7mE5dzrNU8lfXgMFpwY2xz2m6WKnATiuQnxDfeI/7OARI57RpVGnIExMvOkY0CprjkTEJ8c1FhotnXU8yIg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (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=oSXkNXnF; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (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="oSXkNXnF" Received: from [192.168.88.20] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id CC8FB1083; Wed, 30 Oct 2024 13:26:45 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1730291206; bh=GSfoZQlqZ6IOr+xb9j1QNSrmb3GGQ0WH2j4qboNNjrs=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=oSXkNXnFfg9ZSAmqxPdCBTc9dRqD41SxSyIia/a2y18R5VrZRKKO/9tVhsYSwzz5C W911Eam6W9SrM2j9lVoueYJwX9s1oZe6RoLoQoA70+bREqs5wvVZ5qJbzQ3JCTYpmz QTO/ipdb3CDtgNbGmO/sCY5pMEeLn4B1AVv7XhQw= Message-ID: Date: Wed, 30 Oct 2024 14:26:46 +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 v2] drm: xlnx: zynqmp_disp: layer may be null while releasing To: Steffen Dirkwinkel , dri-devel@lists.freedesktop.org, Laurent Pinchart , Anatoliy Klymenko Cc: Steffen Dirkwinkel , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Michal Simek , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <79aca344-b27e-4b77-aa92-6e4c079486e0@ideasonboard.com> <20241028133941.54264-1-lists@steffen.cc> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi, On 28/10/2024 15:39, Steffen Dirkwinkel wrote: > From: Steffen Dirkwinkel > > layer->info can be null if we have an error on the first layer in > zynqmp_disp_create_layers > > Fixes: 1836fd5ed98d ("drm: xlnx: zynqmp_dpsub: Minimize usage of global flag") > Signed-off-by: Steffen Dirkwinkel > --- > drivers/gpu/drm/xlnx/zynqmp_disp.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c > index 9368acf56eaf..e4e0e299e8a7 100644 > --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c > +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c > @@ -1200,6 +1200,9 @@ static void zynqmp_disp_layer_release_dma(struct zynqmp_disp *disp, > { > unsigned int i; > > + if (!layer->info) > + return; > + > for (i = 0; i < layer->info->num_channels; i++) { > struct zynqmp_disp_layer_dma *dma = &layer->dmas[i]; > Thanks, will apply to drm-misc-next. Tomi