[Intel-gfx] [PATCH 1/2] drm/i915: do runtime_get/put during display well power gate/ungate

[sagar.a.kamble at intel.com]

From: Sagar Kamble <sagar.a.kamble at 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.vetter at ffwll.ch> (supporter:INTEL DRM DRIVERS...)
Cc: Jani Nikula <jani.nikula at linux.intel.com> (supporter:INTEL DRM DRIVERS...)
Signed-off-by: Sagar Kamble <sagar.a.kamble at 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);
+	}
 #undef COND
 
 out:
-- 
1.8.5