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Commit 919a52fc authored by Felix Kuehling's avatar Felix Kuehling Committed by Alex Deucher
Browse files

drm/amdgpu: Fix oops when pp_funcs->switch_power_profile is unset 



On Vega20 and other pre-production GPUs, powerplay is not enabled yet.
Check for NULL pointers before calling pp_funcs function pointers.

Also affects Kaveri.

CC: Joerg Roedel <jroedel@suse.de>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Tested-by: default avatarJoerg Roedel <jroedel@suse.de>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 07e3a1cf

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

+5 −2
Original line number Diff line number Diff line
@@ -501,8 +501,11 @@ void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle) 
{

	struct amdgpu_device *adev = (struct amdgpu_device *)kgd;



	if (adev->powerplay.pp_funcs &&

	    adev->powerplay.pp_funcs->switch_power_profile)

		amdgpu_dpm_switch_power_profile(adev,

					PP_SMC_POWER_PROFILE_COMPUTE, !idle);

						PP_SMC_POWER_PROFILE_COMPUTE,

						!idle);

}



bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)