From 20d3c28ce4e28ac4df9d139054aecb65ee5a9ee4 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Thu, 13 Aug 2020 11:51:11 +0800 Subject: drm/amd/powerplay: optimize i2c bus access implementation The caller needs not care about the internal details how the powerplay API implemented. Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Acked-by: Nirmoy Das Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index 5e9baca556a4..3465fddff666 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -1247,3 +1247,18 @@ int amdgpu_dpm_set_clockgating_by_smu(struct amdgpu_device *adev, return ret; } + +int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev, + bool acquire) +{ + void *pp_handle = adev->powerplay.pp_handle; + const struct amd_pm_funcs *pp_funcs = + adev->powerplay.pp_funcs; + int ret = -EOPNOTSUPP; + + if (pp_funcs && pp_funcs->smu_i2c_bus_access) + ret = pp_funcs->smu_i2c_bus_access(pp_handle, + acquire); + + return ret; +} -- cgit v1.2.3