drm/amd/powerplay: fix a signedness bugs
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 23 May 2017 05:13:45 +0000 (13:13 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 24 May 2017 21:39:34 +0000 (17:39 -0400)
commit2f590f8419c6abb6d87d89c99931a13404a7dbe1
tree939bf706ab9b31c7044313e628adfbac9eea77dd
parentca7962d8ccc3da48073c419700c0813095c39f25
drm/amd/powerplay: fix a signedness bugs

Smatch complains about a signedness bug here:

        vega10_hwmgr.c:4202 vega10_force_clock_level()
        warn: always true condition '(i >= 0) => (0-u32max >= 0)'

Fixes: 7b52db39a4c2 ("drm/amd/powerplay: fix bug sclk/mclk
                     level can't be set on vega10.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c