[PATCH 4.15 041/128] drm/amdgpu: fix get_max_engine_clock_in_mhz

Greg Kroah-Hartman
2018-03-16T15:23:02Z

From: Felix Kuehling <Felix.Kuehling@amd.com>

[ Upstream commit a9efcc19161e20623c285fac967a32842972cebe ]

Use proper powerplay function. This fixes OpenCL initialization
problems.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -265,6 +265,9 @@ uint32_t get_max_engine_clock_in_mhz(str
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

- /* The sclk is in quantas of 10kHz */
- return adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100;
+ /* the sclk is in quantas of 10kHz */
+ if (amdgpu_sriov_vf(adev))
+ return adev->clock.default_sclk / 100;
+
+ return amdgpu_dpm_get_sclk(adev, false) / 100;
}