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Date:   Mon, 15 May 2017 00:30:38 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com,
        Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH v7 06/13] drm/sun4i: add a dedicated module for sun4i-backend and sun4i-layer

Currently the direct call from CRTC code to layer code has disappeared,
instead the layer's init function is called via the backend's ops.

Add a dedicated module for sun4i-backend and sun4i-layer, and drop the
EXPORT_SYMBOL from backend code to layer code.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
Reviewed-by: Chen-Yu Tsai <wens@...e.org>
---
Changes in v7:
- Added Chen-Yu's Reviewed-by.

 drivers/gpu/drm/sun4i/Makefile        | 5 +++--
 drivers/gpu/drm/sun4i/sun4i_backend.c | 4 ----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/Makefile b/drivers/gpu/drm/sun4i/Makefile
index 59b757350a1f..a251fb36c951 100644
--- a/drivers/gpu/drm/sun4i/Makefile
+++ b/drivers/gpu/drm/sun4i/Makefile
@@ -5,9 +5,10 @@ sun4i-tcon-y += sun4i_tcon.o
 sun4i-tcon-y += sun4i_rgb.o
 sun4i-tcon-y += sun4i_dotclock.o
 sun4i-tcon-y += sun4i_crtc.o
-sun4i-tcon-y += sun4i_layer.o
+
+sun4i-backend-y += sun4i_backend.o sun4i_layer.o
 
 obj-$(CONFIG_DRM_SUN4I)		+= sun4i-drm.o sun4i-tcon.o
-obj-$(CONFIG_DRM_SUN4I)		+= sun4i_backend.o
+obj-$(CONFIG_DRM_SUN4I)		+= sun4i-backend.o
 obj-$(CONFIG_DRM_SUN4I)		+= sun6i_drc.o
 obj-$(CONFIG_DRM_SUN4I)		+= sun4i_tv.o
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index 611cdcb9c182..fac1a414ba49 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -83,7 +83,6 @@ void sun4i_backend_layer_enable(struct sun4i_backend *backend,
 	regmap_update_bits(backend->engine.regs, SUN4I_BACKEND_MODCTL_REG,
 			   SUN4I_BACKEND_MODCTL_LAY_EN(layer), val);
 }
-EXPORT_SYMBOL(sun4i_backend_layer_enable);
 
 static int sun4i_backend_drm_format_to_layer(struct drm_plane *plane,
 					     u32 format, u32 *mode)
@@ -170,7 +169,6 @@ int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
 
 	return 0;
 }
-EXPORT_SYMBOL(sun4i_backend_update_layer_coord);
 
 int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
 				       int layer, struct drm_plane *plane)
@@ -205,7 +203,6 @@ int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
 
 	return 0;
 }
-EXPORT_SYMBOL(sun4i_backend_update_layer_formats);
 
 int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
 				      int layer, struct drm_plane *plane)
@@ -246,7 +243,6 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
 
 	return 0;
 }
-EXPORT_SYMBOL(sun4i_backend_update_layer_buffer);
 
 static int sun4i_backend_init_sat(struct device *dev) {
 	struct sun4i_backend *backend = dev_get_drvdata(dev);
-- 
2.12.2

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