drm: xilinx: dp: Use signed type as the value can be negative

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>

diff --git a/drivers/gpu/drm/xilinx/xilinx_drm_dp.c b/drivers/gpu/drm/xilinx/xilinx_drm_dp.c
index 1da915a0173b90c16b0d25a9ea46f7a153f19ad2..6c1c292a6b5d67fba70d2c0982f59b77cdad3735 100644 (file)
--- a/drivers/gpu/drm/xilinx/xilinx_drm_dp.c
+++ b/drivers/gpu/drm/xilinx/xilinx_drm_dp.c
@@ -999,8 +999,8 @@ static int xilinx_drm_dp_mode_configure(struct xilinx_drm_dp *dp, int pclock,
        u8 max_lanes = dp->link_config.max_lanes;
        u8 max_link_rate_code = drm_dp_link_rate_to_bw_code(max_rate);
        u8 bpp = dp->config.bpp;
-       u8 lane_cnt, i;
-       s8 clock;
+       u8 lane_cnt;
+       s8 clock, i;
 
        for (i = ARRAY_SIZE(bws) - 1; i >= 0; i--) {
                if (current_bw && bws[i] >= current_bw)