drm/amd/pp: fix typecast error in powerplay.
authorRex Zhu <Rex.Zhu@amd.com>
Fri, 17 Nov 2017 08:41:16 +0000 (16:41 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 20 Nov 2017 23:20:24 +0000 (18:20 -0500)
resulted in unexpected data truncation

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>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c

index d1af148..a651ebc 100644 (file)
@@ -830,9 +830,9 @@ static int init_over_drive_limits(
                const ATOM_Tonga_POWERPLAYTABLE *powerplay_table)
 {
        hwmgr->platform_descriptor.overdriveLimit.engineClock =
-               le16_to_cpu(powerplay_table->ulMaxODEngineClock);
+               le32_to_cpu(powerplay_table->ulMaxODEngineClock);
        hwmgr->platform_descriptor.overdriveLimit.memoryClock =
-               le16_to_cpu(powerplay_table->ulMaxODMemoryClock);
+               le32_to_cpu(powerplay_table->ulMaxODMemoryClock);
 
        hwmgr->platform_descriptor.minOverdriveVDDC = 0;
        hwmgr->platform_descriptor.maxOverdriveVDDC = 0;