From 779d4d8f083e46364cc9b2c784cf8ad6ab3d3aa5 Mon Sep 17 00:00:00 2001
From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Date: Tue, 17 Oct 2017 23:08:10 +0300
Subject: [PATCH] drm/i915: Unify skylake plane disable
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Git-commit: 779d4d8f083e46364cc9b2c784cf8ad6ab3d3aa5
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900

Don't handle skylake primary plane separately as it is similar
plane as the others.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1508270891-22186-5-git-send-email-juhapekka.heikkila@gmail.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/intel_display.c |   21 ++-------------------
 drivers/gpu/drm/i915/intel_drv.h     |    1 +
 drivers/gpu/drm/i915/intel_sprite.c  |    2 +-
 3 files changed, 4 insertions(+), 20 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3541,23 +3541,6 @@ u32 skl_plane_ctl(const struct intel_crt
 	return plane_ctl;
 }
 
-static void skylake_disable_primary_plane(struct intel_plane *primary,
-					  struct intel_crtc *crtc)
-{
-	struct drm_i915_private *dev_priv = to_i915(primary->base.dev);
-	enum plane_id plane_id = primary->id;
-	enum pipe pipe = primary->pipe;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
-	I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0);
-	I915_WRITE_FW(PLANE_SURF(pipe, plane_id), 0);
-	POSTING_READ_FW(PLANE_SURF(pipe, plane_id));
-
-	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
-}
-
 static int
 __intel_display_resume(struct drm_device *dev,
 		       struct drm_atomic_state *state,
@@ -13214,7 +13197,7 @@ intel_primary_plane_create(struct drm_i9
 		modifiers = skl_format_modifiers_ccs;
 
 		primary->update_plane = skl_update_plane;
-		primary->disable_plane = skylake_disable_primary_plane;
+		primary->disable_plane = skl_disable_plane;
 	} else if (INTEL_GEN(dev_priv) >= 9) {
 		intel_primary_formats = skl_primary_formats;
 		num_formats = ARRAY_SIZE(skl_primary_formats);
@@ -13224,7 +13207,7 @@ intel_primary_plane_create(struct drm_i9
 			modifiers = skl_format_modifiers_noccs;
 
 		primary->update_plane = skl_update_plane;
-		primary->disable_plane = skylake_disable_primary_plane;
+		primary->disable_plane = skl_disable_plane;
 	} else if (INTEL_GEN(dev_priv) >= 4) {
 		intel_primary_formats = i965_primary_formats;
 		num_formats = ARRAY_SIZE(i965_primary_formats);
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1924,6 +1924,7 @@ void intel_pipe_update_end(struct intel_
 void skl_update_plane(struct intel_plane *plane,
 		      const struct intel_crtc_state *crtc_state,
 		      const struct intel_plane_state *plane_state);
+void skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc);
 
 /* intel_tv.c */
 void intel_tv_init(struct drm_i915_private *dev_priv);
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -311,7 +311,7 @@ skl_update_plane(struct intel_plane *pla
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
-static void
+void
 skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);