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drm/amdgpu: change pstate only after all XGMI device initialized 

Pstate settings should be performed after all device of the
XGMI setup get initialized.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-10-31 14:10:27 +08:00 committed by Alex Deucher
parent 89b3d86403
commit 39ea6e5f9e
1 changed files with 12 additions and 3 deletions
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15
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -2082,9 +2082,6 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
if (r)
DRM_ERROR("enable mgpu fan boost failed (%d).\n", r);
/* set to low pstate by default */
amdgpu_xgmi_set_pstate(adev, 0);
return 0;
}
@ -2197,6 +2194,18 @@ static void amdgpu_device_delayed_init_work_handler(struct work_struct *work)
r = amdgpu_ib_ring_tests(adev);
if (r)
DRM_ERROR("ib ring test failed (%d).\n", r);
/*
* set to low pstate by default
* This should be performed after all devices from
* XGMI finish their initializations. Thus it's moved
* to here.
* The time delay is 2S. TODO: confirm whether that
* is enough for all possible XGMI setups.
*/
r = amdgpu_xgmi_set_pstate(adev, 0);
if (r)
DRM_ERROR("pstate setting failed (%d).\n", r);
}
static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work)