drm/amd/pp: fix typecast error in powerplay.

commit 8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
index 84f01fd33aff707e9adb8a701356b4688800d57e..b50aa292d0266ffd57f4bdfafbbe12f0c8430935 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
@@ -850,9 +850,9 @@ 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;