]> git.baikalelectronics.ru Git - kernel.git/commit
drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm
authorRex Zhu <Rex.Zhu@amd.com>
Thu, 20 Sep 2018 03:50:26 +0000 (11:50 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 9 Oct 2018 22:00:25 +0000 (17:00 -0500)
commit83bbe1fc89106578f8a48b897a7cb907a583faf2
treeb4e6003fff6f0dfa55d57059e496d9d249839d0a
parent96c46ba7e3a854da7c438a43c0dbf200c03fb43a
drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm

The minRPM speed maybe equal to zero. so need to check
input RPM not equal to 0, otherwise cause divide-by-zero driver crash.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c