From: Ondrej Jirman <m...@xff.cz>

pllref_clk is unused after being retrieved. fin needs to be set
to dsi->ref clock's rate for the following calculation to work.
Otherwise fin is undefined, and calculation return bogus number
based on undefined variable.

Signed-off-by: Ondrej Jirman <m...@xff.cz>
---
 drivers/video/rockchip/dw_mipi_dsi_rockchip.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/rockchip/dw_mipi_dsi_rockchip.c 
b/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
index 5e8db6bd2e63..6d8b1e6f541a 100644
--- a/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
+++ b/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
@@ -505,7 +505,6 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, struct 
display_timing *timings,
        unsigned int _prediv, best_prediv;
        unsigned long _fbdiv, best_fbdiv;
        unsigned long min_delta = ULONG_MAX;
-       unsigned int pllref_clk;
 
        bpp = mipi_dsi_pixel_format_to_bpp(format);
        if (bpp < 0) {
@@ -537,7 +536,7 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, struct 
display_timing *timings,
                return 0;
        }
 
-       pllref_clk = clk_get_rate(dsi->ref);
+       fin = clk_get_rate(dsi->ref);
        fout = target_mbps * USEC_PER_SEC;
 
        /* constraint: 5Mhz <= Fref / N <= 40MHz */
-- 
2.40.1

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