Hi Sagar,
On Tue, 2014-06-10 at 00:27 +0530, sagar.a.kam...@intel.com wrote:
From: Sagar Kamble sagar.a.kam...@intel.com
Display power island is on during boot, we have one count for it
once this power gates, we do a put making sure runtime_suspend is
called
Cc: Daniel Vetter daniel.vet...@ffwll.ch (supporter:INTEL DRM DRIVERS...)
Cc: Jani Nikula jani.nik...@linux.intel.com (supporter:INTEL DRM DRIVERS...)
Signed-off-by: Sagar Kamble sagar.a.kam...@intel.com
---
drivers/gpu/drm/i915/intel_pm.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f83d1ff..b333aae 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6017,6 +6017,12 @@ void __vlv_set_power_well(struct drm_i915_private
*dev_priv,
state,
vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_CTRL));
+ if (PUNIT_POWER_WELL_DISP2D == power_well_id) {
+ if (enable)
+ intel_runtime_pm_get(dev_priv);
+ else
+ intel_runtime_pm_put(dev_priv);
+ }
The RPM refcount should already be get/put properly in
intel_display_power_get/put(), so the above doesn't seem correct to me.
With current -nightly after blanking the screen the RPM refcount does
drop to 0 for me, so I'm not sure what you're missing. One possibility
is:
# echo auto /sys/bus/pci/devices/:00:02.0/power/control
--Imre
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