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-rw-r--r--drivers/gpu/drm/i915/i915_drv.c22
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h2
2 files changed, 11 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 2f5209de0391..f1cd4f0ffc62 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1599,15 +1599,12 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct pci_dev *pdev = dev_priv->drm.pdev;
- bool fw_csr;
int ret;
disable_rpm_wakeref_asserts(dev_priv);
intel_display_set_init_power(dev_priv, false);
- fw_csr = !IS_GEN9_LP(dev_priv) && !hibernation &&
- suspend_to_idle(dev_priv) && dev_priv->csr.dmc_payload;
/*
* In case of firmware assisted context save/restore don't manually
* deinit the power domains. This also means the CSR/DMC firmware will
@@ -1615,8 +1612,11 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
* also enable deeper system power states that would be blocked if the
* firmware was inactive.
*/
- if (!fw_csr)
+ if (IS_GEN9_LP(dev_priv) || hibernation || !suspend_to_idle(dev_priv) ||
+ dev_priv->csr.dmc_payload == NULL) {
intel_power_domains_suspend(dev_priv);
+ dev_priv->power_domains_suspended = true;
+ }
ret = 0;
if (IS_GEN9_LP(dev_priv))
@@ -1628,8 +1628,10 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
if (ret) {
DRM_ERROR("Suspend complete failed: %d\n", ret);
- if (!fw_csr)
+ if (dev_priv->power_domains_suspended) {
intel_power_domains_init_hw(dev_priv, true);
+ dev_priv->power_domains_suspended = false;
+ }
goto out;
}
@@ -1650,8 +1652,6 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
if (!(hibernation && INTEL_GEN(dev_priv) < 6))
pci_set_power_state(pdev, PCI_D3hot);
- dev_priv->suspended_to_idle = suspend_to_idle(dev_priv);
-
out:
enable_rpm_wakeref_asserts(dev_priv);
@@ -1818,8 +1818,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
intel_uncore_resume_early(dev_priv);
if (IS_GEN9_LP(dev_priv)) {
- if (!dev_priv->suspended_to_idle)
- gen9_sanitize_dc_state(dev_priv);
+ gen9_sanitize_dc_state(dev_priv);
bxt_disable_dc9(dev_priv);
} else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
hsw_disable_pc8(dev_priv);
@@ -1827,8 +1826,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
intel_uncore_sanitize(dev_priv);
- if (IS_GEN9_LP(dev_priv) ||
- !(dev_priv->suspended_to_idle && dev_priv->csr.dmc_payload))
+ if (dev_priv->power_domains_suspended)
intel_power_domains_init_hw(dev_priv, true);
else
intel_display_set_init_power(dev_priv, true);
@@ -1838,7 +1836,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
enable_rpm_wakeref_asserts(dev_priv);
out:
- dev_priv->suspended_to_idle = false;
+ dev_priv->power_domains_suspended = false;
return ret;
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d307429a5ae0..55c6d9077a8a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2099,7 +2099,7 @@ struct drm_i915_private {
u32 bxt_phy_grc;
u32 suspend_count;
- bool suspended_to_idle;
+ bool power_domains_suspended;
struct i915_suspend_saved_registers regfile;
struct vlv_s0ix_state vlv_s0ix_state;