Merge tag 'fbdev-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:

 - Miscallaneous small fixes to various fbdev drivers

 - Remove fb_rotate, which was never used

 - pmag fb improvements

* tag 'fbdev-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (21 commits)
  xen kconfig: don't "select INPUT_XEN_KBDDEV_FRONTEND"
  video: fbdev: sis: remove unused variable
  drivers/video: make fbdev/sunxvr2500.c explicitly non-modular
  drivers/video: make fbdev/sunxvr1000.c explicitly non-modular
  drivers/video: make fbdev/sunxvr500.c explicitly non-modular
  video: exynos: fix modular build
  fbdev: da8xx-fb: fix videomodes of lcd panels
  fbdev: kill fb_rotate
  video: fbdev: bt431: Correct cursor format control macro
  video: fbdev: pmag-ba-fb: Optimize Bt455 colormap addressing
  video: fbdev: pmag-ba-fb: Fix and rework Bt455 colormap handling
  video: fbdev: bt455: Remove unneeded colormap helpers for cursor support
  video: fbdev: pmag-aa-fb: Report video timings
  video: fbdev: pmag-aa-fb: Enable building as a module
  video: fbdev: pmag-aa-fb: Adapt to current APIs
  video: fbdev: pmag-ba-fb: Fix the lower margin size
  fbdev: sh_mobile_lcdc: Use ARCH_RENESAS
  fbdev: n411: check return value
  fbdev: exynos: fix IS_ERR_VALUE usage
  video: Use bool instead int pointer for get_opt_bool() argument
  ...

1 files changed, 24 insertions, 19 deletions

diff --git a/drivers/video/fbdev/bt431.h b/drivers/video/fbdev/bt431.h
index 04e0cfbba538..3929602f5867 100644
--- a/drivers/video/fbdev/bt431.h
+++ b/drivers/video/fbdev/bt431.h
@@ -2,6 +2,7 @@
  *	linux/drivers/video/bt431.h
  *
  *	Copyright 2003  Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
+ *	Copyright 2016  Maciej W. Rozycki <macro@linux-mips.org>
  *
  *	This file is subject to the terms and conditions of the GNU General
  *	Public License. See the file COPYING in the main directory of this
@@ -9,6 +10,8 @@
  */
 #include <linux/types.h>
 
+#define BT431_CURSOR_SIZE	64
+
 /*
  * Bt431 cursor generator registers, 32-bit aligned.
  * Two twin Bt431 are used on the DECstation's PMAG-AA.
@@ -60,7 +63,7 @@ static inline u8 bt431_get_value(u16 val)
 #define BT431_CMD_CURS_ENABLE	0x40
 #define BT431_CMD_XHAIR_ENABLE	0x20
 #define BT431_CMD_OR_CURSORS	0x10
-#define BT431_CMD_AND_CURSORS	0x00
+#define BT431_CMD_XOR_CURSORS	0x00
 #define BT431_CMD_1_1_MUX	0x00
 #define BT431_CMD_4_1_MUX	0x04
 #define BT431_CMD_5_1_MUX	0x08
@@ -196,28 +199,30 @@ static inline void bt431_position_cursor(struct bt431_regs *regs, u16 x, u16 y)
 	bt431_write_reg_inc(regs, (y >> 8) & 0x0f); /* BT431_REG_CYHI */
 }
 
-static inline void bt431_set_font(struct bt431_regs *regs, u8 fgc,
-				  u16 width, u16 height)
+static inline void bt431_set_cursor(struct bt431_regs *regs,
+				    const char *data, const char *mask,
+				    u16 rop, u16 width, u16 height)
 {
+	u16 x, y;
 	int i;
-	u16 fgp = fgc ? 0xffff : 0x0000;
-	u16 bgp = fgc ? 0x0000 : 0xffff;
 
+	i = 0;
+	width = DIV_ROUND_UP(width, 8);
 	bt431_select_reg(regs, BT431_REG_CRAM_BASE);
-	for (i = BT431_REG_CRAM_BASE; i <= BT431_REG_CRAM_END; i++) {
-		u16 value;
-
-		if (height << 6 <= i << 3)
-			value = bgp;
-		else if (width <= i % 8 << 3)
-			value = bgp;
-		else if (((width >> 3) & 0xffff) > i % 8)
-			value = fgp;
-		else
-			value = fgp & ~(bgp << (width % 8 << 1));
-
-		bt431_write_cmap_inc(regs, value);
-	}
+	for (y = 0; y < BT431_CURSOR_SIZE; y++)
+		for (x = 0; x < BT431_CURSOR_SIZE / 8; x++) {
+			u16 val = 0;
+
+			if (y < height && x < width) {
+				val = mask[i];
+				if (rop == ROP_XOR)
+					val = (val << 8) | (val ^ data[i]);
+				else
+					val = (val << 8) | (val & data[i]);
+				i++;
+			}
+			bt431_write_cmap_inc(regs, val);
+		}
 }
 
 static inline void bt431_init_cursor(struct bt431_regs *regs)