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-rw-r--r--src/soc/rockchip/rk3399/mipi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/rockchip/rk3399/mipi.c b/src/soc/rockchip/rk3399/mipi.c
index 1f3f02cbee..8b80bd724b 100644
--- a/src/soc/rockchip/rk3399/mipi.c
+++ b/src/soc/rockchip/rk3399/mipi.c
@@ -305,7 +305,7 @@ static int rk_mipi_dsi_get_lane_bps(struct rk_mipi_dsi *dsi,
dsi->format);
return bpp;
}
- pclk = edid->mode.pixel_clock * MSECS_PER_SEC;
+ pclk = (u64)edid->mode.pixel_clock * MSECS_PER_SEC;
/* take 1 / 0.8, since mbps must bigger than bandwidth of RGB */
target_bps = pclk / panel_data->lanes * bpp / 8 * 10;