[PATCH] drm/amdgpu: fix shutdown and poweroff process failed with s0ix
Prike Liang
Prike.Liang at amd.com
Mon Feb 22 08:24:02 UTC 2021
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.
Bug: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fdrm%2Famd%2F-%2Fissues%2F1499&data=04%7C01%7CPrike.Liang%40amd.com%7C24759f57e2644f26deaf08d8d4302cc3%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637492650673813454%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=I0rH%2FFt2cs%2BdNwvNdqWKPE%2B3bOosUyBodViUsEwb6tE%3D&reserved=0
Fixes: 628c36d7b238e2 ("drm/amdgpu: update amdgpu device suspend/resume sequence for s0i3 support")
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Prike Liang <Prike.Liang at amd.com>
---
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(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9bf7f49..0035c91 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1007,6 +1007,12 @@ 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;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 2f9ad7e..f0f7ed4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2676,7 +2676,8 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
{
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);
}
@@ -3739,7 +3740,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
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);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index b7ee587..b539628 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1278,7 +1278,9 @@ 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;
}
@@ -1320,8 +1322,13 @@ static int amdgpu_pmops_thaw(struct device *dev)
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)
--
2.7.4
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