This is a note to let you know that I've just added the patch titled
drm/amdgpu: fix get_max_engine_clock_in_mhz
to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: drm-amdgpu-fix-get_max_engine_clock_in_mhz.patch and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Fri Mar 16 15:11:07 CET 2018
From: Felix Kuehling Felix.Kuehling@amd.com Date: Mon, 27 Nov 2017 18:29:43 -0500 Subject: drm/amdgpu: fix get_max_engine_clock_in_mhz
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; }
Patches currently in stable-queue which might be from Felix.Kuehling@amd.com are
queue-4.15/drm-amdgpu-fix-get_max_engine_clock_in_mhz.patch queue-4.15/drm-amdkfd-fix-memory-leaks-in-kfd-topology.patch