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drm/i915/pmu: Fix building without CONFIG_PM 

As we peek inside struct device to query members guarded by CONFIG_PM,
so must be the code.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 1fe699e301 ("drm/i915/pmu: Fix sleep under atomic in RC6 readout")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180207160428.17015-1-chris@chris-wilson.co.uk
(cherry picked from commit 05273c950a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180213095747.2424-4-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Chris Wilson 2018-02-13 09:57:47 +00:00 committed by Rodrigo Vivi
parent 4c83f0a788
commit 4b8b41d15d
1 changed files with 23 additions and 10 deletions
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21
drivers/gpu/drm/i915/i915_pmu.c
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@ -409,13 +409,12 @@ static int i915_pmu_event_init(struct perf_event *event)
return 0;
}
static u64 get_rc6(struct drm_i915_private *i915, bool locked)
static u64 __get_rc6(struct drm_i915_private *i915)
{
unsigned long flags;
u64 val;
if (intel_runtime_pm_get_if_in_use(i915)) {
val = intel_rc6_residency_ns(i915, IS_VALLEYVIEW(i915) ?
val = intel_rc6_residency_ns(i915,
IS_VALLEYVIEW(i915) ?
VLV_GT_RENDER_RC6 :
GEN6_GT_GFX_RC6);
@ -425,6 +424,17 @@ static u64 get_rc6(struct drm_i915_private *i915, bool locked)
if (HAS_RC6pp(i915))
val += intel_rc6_residency_ns(i915, GEN6_GT_GFX_RC6pp);
return val;
}
static u64 get_rc6(struct drm_i915_private *i915, bool locked)
{
#if IS_ENABLED(CONFIG_PM)
unsigned long flags;
u64 val;
if (intel_runtime_pm_get_if_in_use(i915)) {
val = __get_rc6(i915);
intel_runtime_pm_put(i915);
/*
@ -481,6 +491,9 @@ static u64 get_rc6(struct drm_i915_private *i915, bool locked)
}
return val;
#else
return __get_rc6(i915);
#endif
}
static u64 __i915_pmu_event_read(struct perf_event *event, bool locked)