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Code Issues Releases Wiki Activity

drm/amd/powerplay: fix power over limit on Fiji 

power containment disabled only on Fiji and compute
power profile. It violates PCIe spec and may cause power
supply failed. Enabling it will fix the issue, even the
fix will drop performance of some compute tests.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Eric Huang 2018-02-26 17:36:19 -05:00 committed by Alex Deucher
parent 60b431b5c1
commit a0a73b950d
1 changed files with 0 additions and 7 deletions
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7
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
View File

@ -4630,13 +4630,6 @@ static int smu7_set_power_profile_state(struct pp_hwmgr *hwmgr,
int tmp_result, result = 0;
uint32_t sclk_mask = 0, mclk_mask = 0;
if (hwmgr->chip_id == CHIP_FIJI) {
if (request->type == AMD_PP_GFX_PROFILE)
smu7_enable_power_containment(hwmgr);
else if (request->type == AMD_PP_COMPUTE_PROFILE)
smu7_disable_power_containment(hwmgr);
}
if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_AUTO)
return -EINVAL;