[PATCH 5.11 619/775] drm/amdgpu: fix shutdown and poweroff process failed with s0ix

From: Greg Kroah-Hartman
Date: Tue Mar 02 2021 - 00:58:14 EST


From: Prike Liang <Prike.Liang@xxxxxxx>

commit b092b19602cfd47de1eeeb3a1b03822afd86b136 upstream.

In the shutdown and poweroff opt on the s0i3 system we still need
un-gate the gfx clock gating and power gating before destory amdgpu device.

Fixes: 628c36d7b238e2 ("drm/amdgpu: update amdgpu device suspend/resume sequence for s0i3 support")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1499
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 ++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 9 ++++++++-
3 files changed, 18 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1003,6 +1003,12 @@ struct amdgpu_device {
bool in_suspend;
bool in_hibernate;

+ /*
+ * The combination flag in_poweroff_reboot_com used to identify the poweroff
+ * and reboot opt in the s0i3 system-wide suspend.
+ */
+ bool in_poweroff_reboot_com;
+
atomic_t in_gpu_reset;
enum pp_mp1_state mp1_state;
struct rw_semaphore reset_sem;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2666,7 +2666,8 @@ static int amdgpu_device_ip_suspend_phas
{
int i, r;

- if (!amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) {
+ if (adev->in_poweroff_reboot_com ||
+ !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);
}
@@ -3726,7 +3727,8 @@ int amdgpu_device_suspend(struct drm_dev

amdgpu_fence_driver_suspend(adev);

- if (!amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev))
+ if (adev->in_poweroff_reboot_com ||
+ !amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev))
r = amdgpu_device_ip_suspend_phase2(adev);
else
amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry);
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1266,7 +1266,9 @@ amdgpu_pci_shutdown(struct pci_dev *pdev
*/
if (!amdgpu_passthrough(adev))
adev->mp1_state = PP_MP1_STATE_UNLOAD;
+ adev->in_poweroff_reboot_com = true;
amdgpu_device_ip_suspend(adev);
+ adev->in_poweroff_reboot_com = false;
adev->mp1_state = PP_MP1_STATE_NONE;
}

@@ -1308,8 +1310,13 @@ static int amdgpu_pmops_thaw(struct devi
static int amdgpu_pmops_poweroff(struct device *dev)
{
struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(drm_dev);
+ int r;

- return amdgpu_device_suspend(drm_dev, true);
+ adev->in_poweroff_reboot_com = true;
+ r = amdgpu_device_suspend(drm_dev, true);
+ adev->in_poweroff_reboot_com = false;
+ return r;
}

static int amdgpu_pmops_restore(struct device *dev)