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drm/i915: take a ref to the rpm in the uncore structure

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Remove a bit of pointer dancing in the reg access path.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190325214940.23632-5-daniele.ceraolospurio@intel.com
This commit is contained in:
Daniele Ceraolo Spurio
2019-03-25 14:49:35 -07:00
committed by Chris Wilson
parent 2cf7bf6f2f
commit eb17af67eb
3 changed files with 23 additions and 12 deletions
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16
drivers/gpu/drm/i915/intel_drv.h
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@@ -2269,18 +2269,24 @@ void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
u8 req_slices);
static inline void
assert_rpm_device_not_suspended(struct drm_i915_private *i915)
assert_rpm_device_not_suspended(struct i915_runtime_pm *rpm)
{
WARN_ONCE(i915->runtime_pm.suspended,
WARN_ONCE(rpm->suspended,
"Device suspended during HW access\n");
}
static inline void
__assert_rpm_wakelock_held(struct i915_runtime_pm *rpm)
{
assert_rpm_device_not_suspended(rpm);
WARN_ONCE(!atomic_read(&rpm->wakeref_count),
"RPM wakelock ref not held during HW access");
}
static inline void
assert_rpm_wakelock_held(struct drm_i915_private *i915)
{
assert_rpm_device_not_suspended(i915);
WARN_ONCE(!atomic_read(&i915->runtime_pm.wakeref_count),
"RPM wakelock ref not held during HW access");
__assert_rpm_wakelock_held(&i915->runtime_pm);
}
/**