From 9a8cc576002aa4ad18edac6a6d4c46ea6eab416b Mon Sep 17 00:00:00 2001
From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Date: Tue, 17 Oct 2017 23:08:09 +0300
Subject: [PATCH] drm/i915: Unify skylake plane update
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Git-commit: 9a8cc576002aa4ad18edac6a6d4c46ea6eab416b
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/1508270891-22186-4-git-send-email-juhapekka.heikkila@gmail.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/intel_display.c |   75 -----------------------------------
 drivers/gpu/drm/i915/intel_drv.h     |    3 +
 drivers/gpu/drm/i915/intel_sprite.c  |    2 
 3 files changed, 6 insertions(+), 74 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3541,77 +3541,6 @@ u32 skl_plane_ctl(const struct intel_crt
 	return plane_ctl;
 }
 
-static void skylake_update_primary_plane(struct intel_plane *plane,
-					 const struct intel_crtc_state *crtc_state,
-					 const struct intel_plane_state *plane_state)
-{
-	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
-	const struct drm_framebuffer *fb = plane_state->base.fb;
-	enum plane_id plane_id = plane->id;
-	enum pipe pipe = plane->pipe;
-	u32 plane_ctl = plane_state->ctl;
-	unsigned int rotation = plane_state->base.rotation;
-	u32 stride = skl_plane_stride(fb, 0, rotation);
-	u32 aux_stride = skl_plane_stride(fb, 1, rotation);
-	u32 surf_addr = plane_state->main.offset;
-	int scaler_id = plane_state->scaler_id;
-	int src_x = plane_state->main.x;
-	int src_y = plane_state->main.y;
-	int src_w = drm_rect_width(&plane_state->base.src) >> 16;
-	int src_h = drm_rect_height(&plane_state->base.src) >> 16;
-	int dst_x = plane_state->base.dst.x1;
-	int dst_y = plane_state->base.dst.y1;
-	int dst_w = drm_rect_width(&plane_state->base.dst);
-	int dst_h = drm_rect_height(&plane_state->base.dst);
-	unsigned long irqflags;
-
-	/* Sizes are 0 based */
-	src_w--;
-	src_h--;
-	dst_w--;
-	dst_h--;
-
-	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
-
-	if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) {
-		I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id),
-			      PLANE_COLOR_PIPE_GAMMA_ENABLE |
-			      PLANE_COLOR_PIPE_CSC_ENABLE |
-			      PLANE_COLOR_PLANE_GAMMA_DISABLE);
-	}
-
-	I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl);
-	I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (src_y << 16) | src_x);
-	I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride);
-	I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w);
-	I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id),
-		      (plane_state->aux.offset - surf_addr) | aux_stride);
-	I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id),
-		      (plane_state->aux.y << 16) | plane_state->aux.x);
-
-	if (scaler_id >= 0) {
-		uint32_t ps_ctrl = 0;
-
-		WARN_ON(!dst_w || !dst_h);
-		ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(plane_id) |
-			crtc_state->scaler_state.scalers[scaler_id].mode;
-		I915_WRITE_FW(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl);
-		I915_WRITE_FW(SKL_PS_PWR_GATE(pipe, scaler_id), 0);
-		I915_WRITE_FW(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y);
-		I915_WRITE_FW(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h);
-		I915_WRITE_FW(PLANE_POS(pipe, plane_id), 0);
-	} else {
-		I915_WRITE_FW(PLANE_POS(pipe, plane_id), (dst_y << 16) | dst_x);
-	}
-
-	I915_WRITE_FW(PLANE_SURF(pipe, plane_id),
-		      intel_plane_ggtt_offset(plane_state) + surf_addr);
-
-	POSTING_READ_FW(PLANE_SURF(pipe, plane_id));
-
-	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
-}
-
 static void skylake_disable_primary_plane(struct intel_plane *primary,
 					  struct intel_crtc *crtc)
 {
@@ -13284,7 +13213,7 @@ intel_primary_plane_create(struct drm_i9
 		num_formats = ARRAY_SIZE(skl_primary_formats);
 		modifiers = skl_format_modifiers_ccs;
 
-		primary->update_plane = skylake_update_primary_plane;
+		primary->update_plane = skl_update_plane;
 		primary->disable_plane = skylake_disable_primary_plane;
 	} else if (INTEL_GEN(dev_priv) >= 9) {
 		intel_primary_formats = skl_primary_formats;
@@ -13294,7 +13223,7 @@ intel_primary_plane_create(struct drm_i9
 		else
 			modifiers = skl_format_modifiers_noccs;
 
-		primary->update_plane = skylake_update_primary_plane;
+		primary->update_plane = skl_update_plane;
 		primary->disable_plane = skylake_disable_primary_plane;
 	} else if (INTEL_GEN(dev_priv) >= 4) {
 		intel_primary_formats = i965_primary_formats;
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1921,6 +1921,9 @@ int intel_sprite_set_colorkey(struct drm
 			      struct drm_file *file_priv);
 void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state);
 void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state);
+void skl_update_plane(struct intel_plane *plane,
+		      const struct intel_crtc_state *crtc_state,
+		      const struct intel_plane_state *plane_state);
 
 /* 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
@@ -230,7 +230,7 @@ void intel_pipe_update_end(struct intel_
 #endif
 }
 
-static void
+void
 skl_update_plane(struct intel_plane *plane,
 		 const struct intel_crtc_state *crtc_state,
 		 const struct intel_plane_state *plane_state)