From e288881b08dc2627dda6f93ce1d406ba4dc0f143 Mon Sep 17 00:00:00 2001
From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Date: Tue, 17 Oct 2017 23:08:08 +0300
Subject: [PATCH] drm/i915: dspaddr_offset doesn't need to be more than local variable
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Git-commit: e288881b08dc2627dda6f93ce1d406ba4dc0f143
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900

Move u32 dspaddr_offset from struct intel_crtc member into local
variable in i9xx_update_primary_plane()

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/1508270891-22186-3-git-send-email-juhapekka.heikkila@gmail.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/intel_display.c |   15 ++++++---------
 drivers/gpu/drm/i915/intel_drv.h     |    5 -----
 2 files changed, 6 insertions(+), 14 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3289,7 +3289,6 @@ static void i9xx_update_primary_plane(st
 				      const struct intel_plane_state *plane_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(primary->base.dev);
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
 	const struct drm_framebuffer *fb = plane_state->base.fb;
 	enum plane plane = primary->plane;
 	u32 linear_offset;
@@ -3298,13 +3297,14 @@ static void i9xx_update_primary_plane(st
 	int x = plane_state->main.x;
 	int y = plane_state->main.y;
 	unsigned long irqflags;
+	u32 dspaddr_offset;
 
 	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
 
 	if (INTEL_GEN(dev_priv) >= 4)
-		crtc->dspaddr_offset = plane_state->main.offset;
+		dspaddr_offset = plane_state->main.offset;
 	else
-		crtc->dspaddr_offset = linear_offset;
+		dspaddr_offset = linear_offset;
 
 	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 
@@ -3330,18 +3330,18 @@ static void i9xx_update_primary_plane(st
 	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
 		I915_WRITE_FW(DSPSURF(plane),
 			      intel_plane_ggtt_offset(plane_state) +
-			      crtc->dspaddr_offset);
+			      dspaddr_offset);
 		I915_WRITE_FW(DSPOFFSET(plane), (y << 16) | x);
 	} else if (INTEL_GEN(dev_priv) >= 4) {
 		I915_WRITE_FW(DSPSURF(plane),
 			      intel_plane_ggtt_offset(plane_state) +
-			      crtc->dspaddr_offset);
+			      dspaddr_offset);
 		I915_WRITE_FW(DSPTILEOFF(plane), (y << 16) | x);
 		I915_WRITE_FW(DSPLINOFF(plane), linear_offset);
 	} else {
 		I915_WRITE_FW(DSPADDR(plane),
 			      intel_plane_ggtt_offset(plane_state) +
-			      crtc->dspaddr_offset);
+			      dspaddr_offset);
 	}
 	POSTING_READ_FW(reg);
 
@@ -3546,7 +3546,6 @@ static void skylake_update_primary_plane
 					 const struct intel_plane_state *plane_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
 	const struct drm_framebuffer *fb = plane_state->base.fb;
 	enum plane_id plane_id = plane->id;
 	enum pipe pipe = plane->pipe;
@@ -3572,8 +3571,6 @@ static void skylake_update_primary_plane
 	dst_w--;
 	dst_h--;
 
-	crtc->dspaddr_offset = surf_addr;
-
 	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 
 	if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) {
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -807,11 +807,6 @@ struct intel_crtc {
 	unsigned long long enabled_power_domains;
 	struct intel_overlay *overlay;
 
-	/* Display surface base address adjustement for pageflips. Note that on
-	 * gen4+ this only adjusts up to a tile, offsets within a tile are
-	 * handled in the hw itself (with the TILEOFF register). */
-	u32 dspaddr_offset;
-
 	struct intel_crtc_state *config;
 
 	/* global reset count when the last flip was submitted */