linux-kernel - [PATCH] drm/tidss: Set max DMA segment size

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Message-ID: <20220823001634.11461-1-afd@ti.com>
Date:   Mon, 22 Aug 2022 19:16:34 -0500
From:   Andrew Davis <afd@...com>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Tomi Valkeinen <tomba@...nel.org>,
        Jyri Sarha <jyri.sarha@....fi>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
CC:     Andrew Davis <afd@...com>
Subject: [PATCH] drm/tidss: Set max DMA segment size

We have no segment size limitations. Set to unlimited.

Signed-off-by: Andrew Davis <afd@...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)
-- 
2.36.1