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Diffstat (limited to 'include/linux/amba')
-rw-r--r--include/linux/amba/clcd.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h
index 6b8d73dc1ab0..9cf64b1b688b 100644
--- a/include/linux/amba/clcd.h
+++ b/include/linux/amba/clcd.h
@@ -54,6 +54,7 @@
#define CNTL_LCDBPP4 (2 << 1)
#define CNTL_LCDBPP8 (3 << 1)
#define CNTL_LCDBPP16 (4 << 1)
+#define CNTL_LCDBPP16_565 (6 << 1)
#define CNTL_LCDBPP24 (5 << 1)
#define CNTL_LCDBW (1 << 4)
#define CNTL_LCDTFT (1 << 5)
@@ -209,7 +210,16 @@ static inline void clcdfb_decode(struct clcd_fb *fb, struct clcd_regs *regs)
val |= CNTL_LCDBPP8;
break;
case 16:
- val |= CNTL_LCDBPP16;
+ /*
+ * PL110 cannot choose between 5551 and 565 modes in
+ * its control register
+ */
+ if ((fb->dev->periphid & 0x000fffff) == 0x00041110)
+ val |= CNTL_LCDBPP16;
+ else if (fb->fb.var.green.length == 5)
+ val |= CNTL_LCDBPP16;
+ else
+ val |= CNTL_LCDBPP16_565;
break;
case 32:
val |= CNTL_LCDBPP24;