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authorRex Zhu <Rex.Zhu@amd.com>2018-05-10 14:51:09 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-05-10 16:25:22 +0300
commit7fc6311b174091e3283c28381e58bed3d12b6591 (patch)
treef64c40758ca2ba5d5871eb5cc5c4264e72b56740 /drivers
parent7c2b134110a6af3bfe574efdb23ee04c047dc311 (diff)
downloadlinux-7fc6311b174091e3283c28381e58bed3d12b6591.tar.xz
drm/amd/pp: Fix performance drop on Fiji
The performance drop if the default TDP more than 256 Watt Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
index 03bc7453f3b1..d9e92e306535 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
@@ -852,12 +852,10 @@ int smu7_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
- n = (n & 0xff) << 8;
-
if (data->power_containment_features &
POWERCONTAINMENT_FEATURE_PkgPwrLimit)
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_PkgPwrSetLimit, n);
+ PPSMC_MSG_PkgPwrSetLimit, n<<8);
return 0;
}