linux-kernel - [PATCH 2/4] video: vt8500: Make wmt_ge

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Message-Id: <1358575377-26364-3-git-send-email-linux@prisktech.co.nz>
Date:	Sat, 19 Jan 2013 19:02:55 +1300
From:	Tony Prisk <linux@...sktech.co.nz>
To:	Florian Schandinat <FlorianSchandinat@....de>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-fbdev@...r.kernel.org,
	vt8500-wm8505-linux-kernel@...glegroups.com,
	Tony Prisk <linux@...sktech.co.nz>
Subject: [PATCH 2/4] video: vt8500: Make wmt_ge_rops optional

At the moment, accelerated raster ops are always enabled on VT8500
and WM8xxx series SoCs. This patch makes them optional.

Signed-off-by: Tony Prisk <linux@...sktech.co.nz>
---
 drivers/video/Kconfig       |   23 +++++++++++++----------
 drivers/video/vt8500lcdfb.c |   15 +++++++++++++++
 drivers/video/wm8505fb.c    |   15 +++++++++++++++
 3 files changed, 43 insertions(+), 10 deletions(-)

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index e7068c5..6678daf 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -190,14 +190,6 @@ config FB_SYS_FOPS
        depends on FB
        default n
 
-config FB_WMT_GE_ROPS
-	tristate
-	depends on FB
-	default n
-	---help---
-	  Include functions for accelerated rectangle filling and area
-	  copying using WonderMedia Graphics Engine operations.
-
 config FB_DEFERRED_IO
 	bool
 	depends on FB
@@ -1777,7 +1769,8 @@ config FB_AU1200
 config FB_VT8500
 	bool "VT8500 LCD Driver"
 	depends on (FB = y) && ARM && ARCH_VT8500
-	select FB_WMT_GE_ROPS
+	select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS)
+	select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS)
 	select FB_SYS_IMAGEBLIT
 	help
 	  This is the framebuffer driver for VIA VT8500 integrated LCD
@@ -1786,12 +1779,22 @@ config FB_VT8500
 config FB_WM8505
 	bool "WM8505 frame buffer support"
 	depends on (FB = y) && ARM && ARCH_VT8500
-	select FB_WMT_GE_ROPS
+	select FB_SYS_FILLRECT if (!FB_WMT_GE_ROPS)
+	select FB_SYS_COPYAREA if (!FB_WMT_GE_ROPS)
 	select FB_SYS_IMAGEBLIT
 	help
 	  This is the framebuffer driver for WonderMedia WM8505/WM8650
 	  integrated LCD controller.
 
+config FB_WMT_GE_ROPS
+	bool "VT8500/WM8xxx accelerated raster ops support"
+	depends on (FB = y) && (FB_VT8500 || FB_WM8505)
+	default n
+	help
+	  This adds support for accelerated raster operations on the
+	  VIA VT8500 and Wondermedia 8xxx series SoCs.
+
+
 source "drivers/video/geode/Kconfig"
 
 config FB_HIT
diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c
index aa2579c..d8cc1f6 100644
--- a/drivers/video/vt8500lcdfb.c
+++ b/drivers/video/vt8500lcdfb.c
@@ -33,7 +33,10 @@
 #include <linux/platform_data/video-vt8500lcdfb.h>
 
 #include "vt8500lcdfb.h"
+
+#ifdef CONFIG_FB_WMT_GE_ROPS
 #include "wmt_ge_rops.h"
+#endif
 
 #ifdef CONFIG_OF
 #include <linux/of.h>
@@ -249,12 +252,24 @@ static int vt8500lcd_blank(int blank, struct fb_info *info)
 	return 0;
 }
 
+#ifndef CONFIG_FB_WMT_GE_ROPS
+static int wmt_ge_sync(struct fb_info *p)
+{
+	return 0;
+}
+#endif
+
 static struct fb_ops vt8500lcd_ops = {
 	.owner		= THIS_MODULE,
 	.fb_set_par	= vt8500lcd_set_par,
 	.fb_setcolreg	= vt8500lcd_setcolreg,
+#ifdef CONFIG_FB_WMT_GE_ROPS
 	.fb_fillrect	= wmt_ge_fillrect,
 	.fb_copyarea	= wmt_ge_copyarea,
+#else
+	.fb_fillrect	= sys_fillrect,
+	.fb_copyarea	= sys_copyarea,
+#endif
 	.fb_imageblit	= sys_imageblit,
 	.fb_sync	= wmt_ge_sync,
 	.fb_ioctl	= vt8500lcd_ioctl,
diff --git a/drivers/video/wm8505fb.c b/drivers/video/wm8505fb.c
index ddf78fc..dd28c26 100644
--- a/drivers/video/wm8505fb.c
+++ b/drivers/video/wm8505fb.c
@@ -35,7 +35,10 @@
 #include <linux/platform_data/video-vt8500lcdfb.h>
 
 #include "wm8505fb_regs.h"
+
+#ifdef CONFIG_FB_WMT_GE_ROPS
 #include "wmt_ge_rops.h"
+#endif
 
 #define DRIVER_NAME "wm8505-fb"
 
@@ -248,12 +251,24 @@ static int wm8505fb_blank(int blank, struct fb_info *info)
 	return 0;
 }
 
+#ifndef CONFIG_FB_WMT_GE_ROPS
+static int wmt_ge_sync(struct fb_info *p)
+{
+	return 0;
+}
+#endif
+
 static struct fb_ops wm8505fb_ops = {
 	.owner		= THIS_MODULE,
 	.fb_set_par	= wm8505fb_set_par,
 	.fb_setcolreg	= wm8505fb_setcolreg,
+#ifdef CONFIG_FB_WMT_GE_ROPS
 	.fb_fillrect	= wmt_ge_fillrect,
 	.fb_copyarea	= wmt_ge_copyarea,
+#else
+	.fb_fillrect	= sys_fillrect,
+	.fb_copyarea	= sys_copyarea,
+#endif
 	.fb_imageblit	= sys_imageblit,
 	.fb_sync	= wmt_ge_sync,
 	.fb_pan_display	= wm8505fb_pan_display,
-- 
1.7.9.5

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