drm/amd/powerplay: fix power over limit on Fiji
authorEric Huang <JinHuiEric.Huang@amd.com>
Mon, 26 Feb 2018 22:36:19 +0000 (17:36 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 28 Feb 2018 19:18:06 +0000 (14:18 -0500)
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
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

index 535d786b79aeda901d690b5b8d97ee2d6620c923..731475b06be7784f5b9fbec0d85ef6f21cfdc7cb 100644 (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;