[PATCH v2 4/8] drm/i915/pps: add vlv_pps_pipe_reset()

[Jani Nikula]

We need to track PPS also for non-eDP usage on VLV/CHV. Add new
vlv_pps_pipe_reset() for resetting the related parts, hiding the PPS
pipe details inside PPS code.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/g4x_dp.c    | 8 ++------
 drivers/gpu/drm/i915/display/intel_pps.c | 9 +++++++++
 drivers/gpu/drm/i915/display/intel_pps.h | 1 +
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c
index 1699fbbb56c9..edbd654757e2 100644
--- a/drivers/gpu/drm/i915/display/g4x_dp.c
+++ b/drivers/gpu/drm/i915/display/g4x_dp.c
@@ -1273,12 +1273,8 @@ static void intel_dp_encoder_reset(struct drm_encoder *encoder)
 
 	intel_dp->reset_link_params = true;
 
-	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
-		intel_wakeref_t wakeref;
-
-		with_intel_pps_lock(intel_dp, wakeref)
-			intel_dp->pps.vlv_active_pipe = vlv_active_pipe(intel_dp);
-	}
+	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+		vlv_pps_pipe_reset(intel_dp);
 
 	intel_pps_encoder_reset(intel_dp);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c
index c316950218c0..28a3044a3693 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.c
+++ b/drivers/gpu/drm/i915/display/intel_pps.c
@@ -1218,6 +1218,15 @@ void vlv_pps_pipe_init(struct intel_dp *intel_dp)
 	intel_dp->pps.vlv_active_pipe = vlv_active_pipe(intel_dp);
 }
 
+/* Call on all DP, not just eDP */
+void vlv_pps_pipe_reset(struct intel_dp *intel_dp)
+{
+	intel_wakeref_t wakeref;
+
+	with_intel_pps_lock(intel_dp, wakeref)
+		intel_dp->pps.vlv_active_pipe = vlv_active_pipe(intel_dp);
+}
+
 void vlv_pps_init(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_pps.h b/drivers/gpu/drm/i915/display/intel_pps.h
index 3061fab30097..9c269a138ff0 100644
--- a/drivers/gpu/drm/i915/display/intel_pps.h
+++ b/drivers/gpu/drm/i915/display/intel_pps.h
@@ -47,6 +47,7 @@ void intel_pps_encoder_reset(struct intel_dp *intel_dp);
 void intel_pps_reset_all(struct intel_display *display);
 
 void vlv_pps_pipe_init(struct intel_dp *intel_dp);
+void vlv_pps_pipe_reset(struct intel_dp *intel_dp);
 void vlv_pps_init(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state);
 
-- 
2.39.2