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 BC4D981741; Fri, 8 Aug 2025 10:46:52 +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=1754650014; cv=none; b=Y17kF8k2V3WL9Oyrvl4vT5g63b2AgHXns6K2wUArIUcZJh0FpL7PJ9+Deuty90iGvzdWeakwHK1BtJ14MAHQ+BEzI9Rt+5iCAicn63h1W6OuJkZuES/PHJOJy+WVkZju8sKVpEtacWHbutHB1qeGYMvY0hqV4MmYSUizcpkeujE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754650014; c=relaxed/simple; bh=aQZJ/ACAteL1Xe/fs+a56dnUeh7YIhfVoFkhEVZ11OI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pMtpcfSvjv+D4VLI/rN3yIQDUF0eqieJqDos+1e3sntqrQPbQh/GJI1aeFRGhuA5IHJjr5Bn5fzMd6Tp1el1NNTpSx7WkjAcJWnjqdmZxS/BS4D3rXfMDG6suXqgGAQZ1iso9XnNcs+jO5M/Uj4hDoUIik7qyOIy/IR0KWN7kYA= 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=wZUMfrjy; 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="wZUMfrjy" 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 A9F54185B; Fri, 8 Aug 2025 12:46:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1754649961; bh=aQZJ/ACAteL1Xe/fs+a56dnUeh7YIhfVoFkhEVZ11OI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=wZUMfrjyCRUxfFQYD2A6qF3ZH6eFLp8DLnCkLjR1H5yIUW8fWHy0BO+JVzjmrQfkA TPRktYsf0e/oWVJtiBcF/INX79qdjT+sK4Yi+HtJoigCiC95TT5u7jtd0ziBzxu29v Q4LLAsWDuHGyhnkeyE3UicJEnQv6TJJcXZjtGT2k= Message-ID: <1aaa3b42-a80e-48cf-b5ba-a4cece86b620@ideasonboard.com> Date: Fri, 8 Aug 2025 13:46:47 +0300 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 25/25] drm/xlnx: Compute dumb-buffer sizes with drm_mode_size_dumb() To: Thomas Zimmermann Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, intel-xe@lists.freedesktop.org, xen-devel@lists.xenproject.org, Laurent Pinchart , simona@ffwll.ch, airlied@gmail.com, mripard@kernel.org, maarten.lankhorst@linux.intel.com, geert@linux-m68k.org References: <20250613090431.127087-1-tzimmermann@suse.de> <20250613090431.127087-26-tzimmermann@suse.de> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 13/06/2025 12:00, Thomas Zimmermann wrote: > Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and > buffer size. Align the pitch according to hardware requirements. > > Signed-off-by: Thomas Zimmermann > Cc: Laurent Pinchart > Cc: Tomi Valkeinen > --- > drivers/gpu/drm/xlnx/zynqmp_kms.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c > index b47463473472..7ea0cd4f71d3 100644 > --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c > +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c > @@ -19,6 +19,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -363,10 +364,12 @@ static int zynqmp_dpsub_dumb_create(struct drm_file *file_priv, > struct drm_mode_create_dumb *args) > { > struct zynqmp_dpsub *dpsub = to_zynqmp_dpsub(drm); > - unsigned int pitch = DIV_ROUND_UP(args->width * args->bpp, 8); > + int ret; > > /* Enforce the alignment constraints of the DMA engine. */ > - args->pitch = ALIGN(pitch, dpsub->dma_align); > + ret = drm_mode_size_dumb(drm, args, dpsub->dma_align, 0); > + if (ret) > + return ret; > > return drm_gem_dma_dumb_create_internal(file_priv, drm, args); > } Reviewed-by: Tomi Valkeinen Tomi