From: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Date: Tue, 22 Nov 2011 00:55:59 +0000 (+0000)
Subject: Merge branch 'for-3.2-rc' of git://gitorious.org/linux-omap-dss2/linux into fbdev... 
X-Git-Tag: v3.2-rc4~22^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=50084842cc24b69c7d1cccb20c737ee611dc9c5a;hp=f95cb5ebd834117ff4829a460656095a0ae63921

Merge branch 'for-3.2-rc' of git://gitorious.org/linux-omap-dss2/linux into fbdev-for-linus
---

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 55f91d9ab00b..29577bf1f559 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -116,6 +116,7 @@
 /* Clock registers available only on Version 2 */
 #define  LCD_CLK_ENABLE_REG			0x6c
 #define  LCD_CLK_RESET_REG			0x70
+#define  LCD_CLK_MAIN_RESET			BIT(3)
 
 #define LCD_NUM_BUFFERS	2
 
@@ -244,6 +245,10 @@ static inline void lcd_enable_raster(void)
 {
 	u32 reg;
 
+	/* Bring LCDC out of reset */
+	if (lcd_revision == LCD_VERSION_2)
+		lcdc_write(0, LCD_CLK_RESET_REG);
+
 	reg = lcdc_read(LCD_RASTER_CTRL_REG);
 	if (!(reg & LCD_RASTER_ENABLE))
 		lcdc_write(reg | LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
@@ -257,6 +262,10 @@ static inline void lcd_disable_raster(void)
 	reg = lcdc_read(LCD_RASTER_CTRL_REG);
 	if (reg & LCD_RASTER_ENABLE)
 		lcdc_write(reg & ~LCD_RASTER_ENABLE, LCD_RASTER_CTRL_REG);
+
+	if (lcd_revision == LCD_VERSION_2)
+		/* Write 1 to reset LCDC */
+		lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
 }
 
 static void lcd_blit(int load_mode, struct da8xx_fb_par *par)
@@ -584,8 +593,12 @@ static void lcd_reset(struct da8xx_fb_par *par)
 	lcdc_write(0, LCD_DMA_CTRL_REG);
 	lcdc_write(0, LCD_RASTER_CTRL_REG);
 
-	if (lcd_revision == LCD_VERSION_2)
+	if (lcd_revision == LCD_VERSION_2) {
 		lcdc_write(0, LCD_INT_ENABLE_SET_REG);
+		/* Write 1 to reset */
+		lcdc_write(LCD_CLK_MAIN_RESET, LCD_CLK_RESET_REG);
+		lcdc_write(0, LCD_CLK_RESET_REG);
+	}
 }
 
 static void lcd_calc_clk_divider(struct da8xx_fb_par *par)