From: Likun Gao <Likun.Gao@xxxxxxx>
S0ix only makes sense on APUs since they are part of the platform, so
only when the ASIC is APU should set amdgpu_acpi_is_s0ix_supported flag
to deal with the related situation.
Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Change-Id: Ic89df206734fa7e6ce3e5a784171f149a07edc80
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 8 +++++---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 +++---
3 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 83ac06a3ec05..eed5410947e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1314,11 +1314,11 @@ int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
struct amdgpu_dm_backlight_caps *caps);
-bool amdgpu_acpi_is_s0ix_supported(void);
+bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev);
#else
static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
-static inline bool amdgpu_acpi_is_s0ix_supported(void) { return false; }
+static inline bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) { return false; }
#endif
int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index fd66ac00c7f5..8155c54392c8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -901,10 +901,12 @@ void amdgpu_acpi_fini(struct amdgpu_device *adev)
*
* returns true if supported, false if not.
*/
-bool amdgpu_acpi_is_s0ix_supported()
+bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev)
{
- if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)
- return true;
+ if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
+ if (adev->flags & AMD_IS_APU)
+ return true;
+ }
return false;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 52d6f1fbe890..66b790dfb151 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2651,7 +2651,7 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
{
int i, r;
- if (!amdgpu_acpi_is_s0ix_supported() || amdgpu_in_reset(adev)) {
+ if (!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);
}
@@ -3712,7 +3712,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
amdgpu_fence_driver_suspend(adev);
- if (!amdgpu_acpi_is_s0ix_supported() || amdgpu_in_reset(adev))
+ if (!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);
@@ -3747,7 +3747,7 @@ 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())
+ if (amdgpu_acpi_is_s0ix_supported(adev))
amdgpu_gfx_state_change_set(adev, sGpuChangeState_D0Entry);
/* post card */
--
2.25.1
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