From 2a5db87f82cb6b2763d5e07cc4eef8cd94e56395 Mon Sep 17 00:00:00 2001
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Thu, 7 Sep 2017 16:00:39 -0700
Subject: [PATCH] drm/i915/psr: Add setup VSC vfunc.
Git-commit: 2a5db87f82cb6b2763d5e07cc4eef8cd94e56395
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900

Continue on VLV PSR split with vfunc, let's also create
one for setting up VSC.

V2: Rebased on top of commit d2419ffc10e4 ("drm/i915: Plumb    crtc_state to PSR enable/disable")

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170907230041.22978-10-rodrigo.vivi@intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/i915_drv.h  |    1 +
 drivers/gpu/drm/i915/intel_psr.c |    9 ++++-----
 2 files changed, 5 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1183,6 +1183,7 @@ struct i915_psr {
 	void (*disable_source)(struct intel_dp *,
 			       const struct intel_crtc_state *);
 	void (*activate)(struct intel_dp *);
+	void (*setup_vsc)(struct intel_dp *, const struct intel_crtc_state *);
 };
 
 enum intel_pch {
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -540,18 +540,15 @@ void intel_psr_enable(struct intel_dp *i
 
 	dev_priv->psr.busy_frontbuffer_bits = 0;
 
-	if (HAS_DDI(dev_priv)) {
-
-		hsw_psr_setup_vsc(intel_dp, crtc_state);
+	dev_priv->psr.setup_vsc(intel_dp, crtc_state);
 
+	if (HAS_DDI(dev_priv)) {
 		/* Enable PSR on the panel */
 		hsw_psr_enable_sink(intel_dp);
 
 		hsw_psr_enable_source(intel_dp, crtc_state);
 
 	} else {
-		vlv_psr_setup_vsc(intel_dp, crtc_state);
-
 		/* Enable PSR on the panel */
 		vlv_psr_enable_sink(intel_dp);
 
@@ -983,8 +980,10 @@ void intel_psr_init(struct drm_i915_priv
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		dev_priv->psr.disable_source = vlv_psr_disable;
 		dev_priv->psr.activate = vlv_psr_activate;
+		dev_priv->psr.setup_vsc = vlv_psr_setup_vsc;
 	} else {
 		dev_priv->psr.disable_source = hsw_psr_disable;
 		dev_priv->psr.activate = hsw_psr_activate;
+		dev_priv->psr.setup_vsc = hsw_psr_setup_vsc;
 	}
 }