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authorAlex Deucher <alexander.deucher@amd.com>2021-03-12 15:22:36 -0500
committerAlex Deucher <alexander.deucher@amd.com>2021-03-22 15:24:02 -0400
commit8914089a205be1042f99d49d2087663efc6fafa3 (patch)
tree4ff0321eecefb88cf19a567d050ab89b508cc9e6
parent9aa26019c1a60013ea866d460de6392acb1712ee (diff)
downloadlinux-8914089a205be1042f99d49d2087663efc6fafa3.tar.bz2
drm/amdgpu: rework S3/S4/S0ix state handling
Set flags at the top level pmops callbacks to track state. This cleans up the current set of flags and properly handles S4 on S0ix capable systems. Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c30
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c2
4 files changed, 25 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 49267eb64302..29885febc0b0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1007,13 +1007,9 @@ struct amdgpu_device {
/* s3/s4 mask */
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;
+ bool in_s3;
+ bool in_s4;
+ bool in_s0ix;
atomic_t in_gpu_reset;
enum pp_mp1_state mp1_state;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7ecc6e4b8456..53e60c4ef0d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2678,8 +2678,7 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
{
int i, r;
- if (adev->in_poweroff_reboot_com || adev->in_hibernate ||
- !amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) {
+ if (!adev->in_s0ix || amdgpu_in_reset(adev)) {
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
}
@@ -3742,12 +3741,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
amdgpu_fence_driver_suspend(adev);
- /*
- * 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))
+ if (!adev->in_s0ix || amdgpu_in_reset(adev))
r = amdgpu_device_ip_suspend_phase2(adev);
else
amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry);
@@ -3781,7 +3775,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
- if (amdgpu_acpi_is_s0ix_supported(adev))
+ if (adev->in_s0ix)
amdgpu_gfx_state_change_set(adev, sGpuChangeState_D0Entry);
/* post card */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index b26e2fd1c538..1b145a29803c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1274,24 +1274,35 @@ 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;
}
static int amdgpu_pmops_suspend(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);
+ if (amdgpu_acpi_is_s0ix_supported(adev))
+ adev->in_s0ix = true;
+ adev->in_s3 = true;
+ r = amdgpu_device_suspend(drm_dev, true);
+ adev->in_s3 = false;
+
+ return r;
}
static int amdgpu_pmops_resume(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_resume(drm_dev, true);
+ r = amdgpu_device_resume(drm_dev, true);
+ if (amdgpu_acpi_is_s0ix_supported(adev))
+ adev->in_s0ix = false;
+ return r;
}
static int amdgpu_pmops_freeze(struct device *dev)
@@ -1300,9 +1311,9 @@ static int amdgpu_pmops_freeze(struct device *dev)
struct amdgpu_device *adev = drm_to_adev(drm_dev);
int r;
- adev->in_hibernate = true;
+ adev->in_s4 = true;
r = amdgpu_device_suspend(drm_dev, true);
- adev->in_hibernate = false;
+ adev->in_s4 = false;
if (r)
return r;
return amdgpu_asic_reset(adev);
@@ -1318,13 +1329,8 @@ 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;
- adev->in_poweroff_reboot_com = true;
- r = amdgpu_device_suspend(drm_dev, true);
- adev->in_poweroff_reboot_com = false;
- return r;
+ return amdgpu_device_suspend(drm_dev, true);
}
static int amdgpu_pmops_restore(struct device *dev)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index d143ef1b460b..24b19ba7f784 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1294,7 +1294,7 @@ static int smu_disable_dpms(struct smu_context *smu)
bool use_baco = !smu->is_apu &&
((amdgpu_in_reset(adev) &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
- ((adev->in_runpm || adev->in_hibernate) && amdgpu_asic_supports_baco(adev)));
+ ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
/*
* For custom pptable uploading, skip the DPM features