drm/i915: add POWER_DOMAIN_PLLS
And get/put it when needed. The special thing about this commit is
that it will now return false in ibx_pch_dpll_get_hw_state() in case
the power domain is not enabled. This will fix some WARNs we have when
we run pm_rpm on SNB.
Testcase: igt/pm_rpm
Bugzilla:https://bugs.freedesktop.org/show_bug.cgi?id=80463
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 19c5c26..55228df 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6346,6 +6346,7 @@
BIT(POWER_DOMAIN_PORT_DDI_D_2_LANES) | \
BIT(POWER_DOMAIN_PORT_DDI_D_4_LANES) | \
BIT(POWER_DOMAIN_PORT_CRT) | \
+ BIT(POWER_DOMAIN_PLLS) | \
BIT(POWER_DOMAIN_INIT))
#define HSW_DISPLAY_POWER_DOMAINS ( \
(POWER_DOMAIN_MASK & ~HSW_ALWAYS_ON_POWER_DOMAINS) | \