[Intel-gfx] [PATCH v2 11/17] drm/i915/pps: add locked intel_pps_wait_power_cycle

[Jani Nikula]

Prefer keeping the unlocked variants hidden if possible. No functional
changes.

Reviewed-by: Anshuman Gupta <anshuman.gu...@intel.com>
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c  |  7 +------
 drivers/gpu/drm/i915/display/intel_pps.c | 13 ++++++++++++-
 drivers/gpu/drm/i915/display/intel_pps.h |  3 +--
 3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
b/drivers/gpu/drm/i915/display/intel_dp.c
index 1685e48b17cd..ffb6f6c9b858 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6273,13 +6273,8 @@ void intel_dp_encoder_suspend(struct intel_encoder 
*intel_encoder)
 void intel_dp_encoder_shutdown(struct intel_encoder *intel_encoder)
 {
        struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);
-       intel_wakeref_t wakeref;
-
-       if (!intel_dp_is_edp(intel_dp))
-               return;
 
-       with_intel_pps_lock(intel_dp, wakeref)
-               wait_panel_power_cycle(intel_dp);
+       intel_pps_wait_power_cycle(intel_dp);
 }
 
 static enum pipe vlv_active_pipe(struct intel_dp *intel_dp)
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c 
b/drivers/gpu/drm/i915/display/intel_pps.c
index d396ee5f6f69..79276ab20c75 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -500,7 +500,7 @@ static void wait_panel_off(struct intel_dp *intel_dp)
        wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE);
 }
 
-void wait_panel_power_cycle(struct intel_dp *intel_dp)
+static void wait_panel_power_cycle(struct intel_dp *intel_dp)
 {
        struct drm_i915_private *i915 = dp_to_i915(intel_dp);
        ktime_t panel_power_on_time;
@@ -522,6 +522,17 @@ void wait_panel_power_cycle(struct intel_dp *intel_dp)
        wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE);
 }
 
+void intel_pps_wait_power_cycle(struct intel_dp *intel_dp)
+{
+       intel_wakeref_t wakeref;
+
+       if (!intel_dp_is_edp(intel_dp))
+               return;
+
+       with_intel_pps_lock(intel_dp, wakeref)
+               wait_panel_power_cycle(intel_dp);
+}
+
 static void wait_backlight_on(struct intel_dp *intel_dp)
 {
        wait_remaining_ms_from_jiffies(intel_dp->last_power_on,
diff --git a/drivers/gpu/drm/i915/display/intel_pps.h 
b/drivers/gpu/drm/i915/display/intel_pps.h
index ecd9ea2a095c..fdf7a17e2dfa 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.h
+++ b/drivers/gpu/drm/i915/display/intel_pps.h
@@ -37,8 +37,7 @@ void intel_pps_on(struct intel_dp *intel_dp);
 void intel_pps_off(struct intel_dp *intel_dp);
 void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
 bool intel_pps_have_power(struct intel_dp *intel_dp);
-
-void wait_panel_power_cycle(struct intel_dp *intel_dp);
+void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
 
 void intel_pps_init(struct intel_dp *intel_dp);
 void intel_pps_encoder_reset(struct intel_dp *intel_dp);
-- 
2.20.1

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