4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Alex Deucher <[email protected]> commit e9bef455af8eb0e837e179aab8988ae2649fd8d3 upstream. This reverts commit bedf2a65c1aa8fb29ba8527fd00c0f68ec1f55f1. See the radeon revert for an extended description. Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 8 ++++---- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 +------- 2 files changed, 5 insertions(+), 11 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -63,10 +63,6 @@ bool amdgpu_has_atpx(void) { return amdgpu_atpx_priv.atpx_detected; } -bool amdgpu_has_atpx_dgpu_power_cntl(void) { - return amdgpu_atpx_priv.atpx.functions.power_cntl; -} - /** * amdgpu_atpx_call - call an ATPX method * @@ -146,6 +142,10 @@ static void amdgpu_atpx_parse_functions( */ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx) { + /* make sure required functions are enabled */ + /* dGPU power control is required */ + atpx->functions.power_cntl = true; + if (atpx->functions.px_params) { union acpi_object *info; struct atpx_px_params output; --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -61,12 +61,6 @@ static const char *amdgpu_asic_name[] = "LAST", }; -#if defined(CONFIG_VGA_SWITCHEROO) -bool amdgpu_has_atpx_dgpu_power_cntl(void); -#else -static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; } -#endif - bool amdgpu_device_is_px(struct drm_device *dev) { struct amdgpu_device *adev = dev->dev_private; @@ -1475,7 +1469,7 @@ int amdgpu_device_init(struct amdgpu_dev if (amdgpu_runtime_pm == 1) runtime = true; - if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl()) + if (amdgpu_device_is_px(ddev)) runtime = true; vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime); if (runtime)
