From 19cfa7e7ac98ce411ac60b21a54c77726b6d3d5e Mon Sep 17 00:00:00 2001
From: Zou Wei <zou_wei@huawei.com>
Date: Thu, 30 Apr 2020 11:56:02 +0800
Subject: drm/amd/display: Fix unsigned comparison to zero
Git-commit: 6de1601e84e40888296973c61b1516dc4d5977e3
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Fixes coccicheck warning:
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c:1398:60-61:
WARNING: Unsigned expression compared with zero: j >= 0
Fixes: 238387774232 ("drm/amd/display: fix rn soc bb update")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index ceaf70a934c3..419cdde624f5 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -1384,7 +1384,8 @@ static void update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
struct dcn21_resource_pool *pool = TO_DCN21_RES_POOL(dc->res_pool);
struct clk_limit_table *clk_table = &bw_params->clk_table;
struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES];
- unsigned int i, j, closest_clk_lvl;
+ unsigned int i, closest_clk_lvl;
+ int j;
// Default clock levels are used for diags, which may lead to overclocking.
if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
--
2.28.0