From: Prike Liang Prike.Liang@amd.com
commit 9aa26019c1a60013ea866d460de6392acb1712ee upstream.
During system hibernation suspend still need un-gate gfx CG/PG firstly to handle HW status check before HW resource destory.
Signed-off-by: Prike Liang Prike.Liang@amd.com Acked-by: Alex Deucher alexander.deucher@amd.com Acked-by: Huang Rui ray.huang@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2666,7 +2666,7 @@ static int amdgpu_device_ip_suspend_phas { int i, r;
- if (adev->in_poweroff_reboot_com || + if (adev->in_poweroff_reboot_com || adev->in_hibernate || !amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) { amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); @@ -3727,7 +3727,11 @@ int amdgpu_device_suspend(struct drm_dev
amdgpu_fence_driver_suspend(adev);
- if (adev->in_poweroff_reboot_com || + /* + * TODO: Need figure out the each GNB IP idle off dependency and then + * improve the AMDGPU suspend/resume sequence for system-wide Sx entry/exit. + */ + if (adev->in_poweroff_reboot_com || adev->in_hibernate || !amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) r = amdgpu_device_ip_suspend_phase2(adev); else