sh: 18-bit SYS panel fix for SuperH Mobile LCDC
Fix the SuperH Mobile LCDC driver to make use of the full
18-bit DRD field in the LDDRDR register. Without this patch
only 16-bit register access is possible. Needed by 18-bit
SYS panels such as the one used on kfr2r09.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index d1eb965..cff406d 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -177,7 +177,7 @@
udelay(1);
lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
- return lcdc_read(ch->lcdc, _LDDRDR) & 0xffff;
+ return lcdc_read(ch->lcdc, _LDDRDR) & 0x3ffff;
}
struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {