From: Sean Anderson <sean.anderson@linux.dev>
To: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Vishal Sagar <vishal.sagar@amd.com>,
Anatoliy Klymenko <anatoliy.klymenko@amd.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Michal Simek <michal.simek@amd.com>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH 10/10] drm: xlnx: zynqmp: Fix max dma segment size
Date: Fri, 10 Jan 2025 13:10:09 -0500 [thread overview]
Message-ID: <b18dfc63-94fc-4459-ba0d-67b704d38f0c@linux.dev> (raw)
In-Reply-To: <20241204-xilinx-formats-v1-10-0bf2c5147db1@ideasonboard.com>
On 12/4/24 04:31, Tomi Valkeinen wrote:
> Fix "mapping sg segment longer than device claims to support" warning by
> setting the max segment size.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
> ---
> drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> index f5781939de9c..a25b22238e3d 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> @@ -231,6 +231,8 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
> if (ret)
> return ret;
>
> + dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
> +
> /* Try the reserved memory. Proceed if there's none. */
> of_reserved_mem_device_init(&pdev->dev);
>
>
Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Reviewed-by: Sean Anderson <sean.anderson@linux.dev>
Tested-by: Sean Anderson <sean.anderson@linux.dev>
prev parent reply other threads:[~2025-01-10 18:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-04 9:31 [PATCH 00/10] drm: Add new pixel formats for Xilinx Zynqmp Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 01/10] drm/fourcc: Add warning for bad bpp Tomi Valkeinen
2024-12-04 16:26 ` Sagar, Vishal
2024-12-18 11:49 ` Tomi Valkeinen
2024-12-18 14:35 ` Sagar, Vishal
2024-12-04 9:31 ` [PATCH 02/10] drm/fourcc: Add DRM_FORMAT_XV15/XV20 Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 03/10] drm/fourcc: Add DRM_FORMAT_Y8 Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 04/10] drm/fourcc: Add DRM_FORMAT_Y10_LE32 Tomi Valkeinen
2024-12-18 12:03 ` Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 05/10] drm/fourcc: Add DRM_FORMAT_X403 Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 06/10] drm: xlnx: zynqmp: Use drm helpers when calculating buffer sizes Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 07/10] drm: xlnx: zynqmp: Add support for XV15 & XV20 Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 08/10] drm: xlnx: zynqmp: Add support for Y8 and Y10_LE32 Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 09/10] drm: xlnx: zynqmp: Add support for X403 Tomi Valkeinen
2024-12-04 9:31 ` [PATCH 10/10] drm: xlnx: zynqmp: Fix max dma segment size Tomi Valkeinen
2025-01-10 18:10 ` Sean Anderson [this message]
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