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path: root/drivers/gpu/drm/rockchip/cdn-dp-reg.c
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Diffstat (limited to 'drivers/gpu/drm/rockchip/cdn-dp-reg.c')
-rw-r--r--drivers/gpu/drm/rockchip/cdn-dp-reg.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 9d2163ef4d6e..0dc3804051a9 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
+ * Copyright (C) Rockchip Electronics Co., Ltd.
* Author: Chris Zhong <zyw@rock-chips.com>
*/
@@ -11,6 +11,8 @@
#include <linux/iopoll.h>
#include <linux/reset.h>
+#include <drm/drm_print.h>
+
#include "cdn-dp-core.h"
#include "cdn-dp-reg.h"
@@ -658,7 +660,7 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
*/
do {
tu_size_reg += 2;
- symbol = tu_size_reg * mode->clock * bit_per_pix;
+ symbol = (u64)tu_size_reg * mode->clock * bit_per_pix;
do_div(symbol, dp->max_lanes * link_rate * 8);
rem = do_div(symbol, 1000);
if (tu_size_reg > 64) {