Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <a00527f5-8e76-958d-8d12-c2b815a200d7@ideasonboard.com>
Date:   Fri, 16 Dec 2022 10:17:08 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.4.2
Subject: Re: [PATCH] drm/tidss: Set max DMA segment size
Content-Language: en-US
To:     Andrew Davis <afd@ti.com>, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Jyri Sarha <jyri.sarha@iki.fi>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
References: <20220823001634.11461-1-afd@ti.com>
From:   Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
In-Reply-To: <20220823001634.11461-1-afd@ti.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 23/08/2022 03:16, Andrew Davis wrote:
> We have no segment size limitations. Set to unlimited.
> 
> Signed-off-by: Andrew Davis <afd@ti.com>
> ---
>   drivers/gpu/drm/tidss/tidss_dispc.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
> index dd3c6a606ae2..624545e4636c 100644
> --- a/drivers/gpu/drm/tidss/tidss_dispc.c
> +++ b/drivers/gpu/drm/tidss/tidss_dispc.c
> @@ -2685,6 +2685,7 @@ int dispc_init(struct tidss_device *tidss)
>   		if (r)
>   			dev_warn(dev, "cannot set DMA masks to 48-bit\n");
>   	}
> +	dma_set_max_seg_size(dev, UINT_MAX);
>   
>   	dispc = devm_kzalloc(dev, sizeof(*dispc), GFP_KERNEL);
>   	if (!dispc)

Thanks, I'll apply to drm-misc.

  Tomi