From: Prike Liang <prike.li...@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.li...@amd.com>
Acked-by: Alex Deucher <alexander.deuc...@amd.com>
Acked-by: Huang Rui <ray.hu...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Cc: sta...@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gre...@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
