[Intel-gfx] [PATCH 5/8] drm/i915/skl: Make the Misc I/O power well part of the PLLS domain

Damien Lespiau damien.lespiau at intel.com
Thu Apr 30 08:39:20 PDT 2015


The specs tell us to ungate PG1 and Misc I/O at display init. We'll use
the PLLS power domain to ensure those two power wells are up.

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 drivers/gpu/drm/i915/intel_runtime_pm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 6188e94..5b0bce5 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -309,6 +309,7 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
 	BIT(POWER_DOMAIN_INIT))
 #define SKL_DISPLAY_MISC_IO_POWER_DOMAINS (		\
 	SKL_DISPLAY_POWERWELL_1_POWER_DOMAINS |		\
+	BIT(POWER_DOMAIN_PLLS) |			\
 	BIT(POWER_DOMAIN_INIT))
 #define SKL_DISPLAY_ALWAYS_ON_POWER_DOMAINS (		\
 	(POWER_DOMAIN_MASK & ~(SKL_DISPLAY_POWERWELL_1_POWER_DOMAINS |	\
-- 
2.1.0



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