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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>
hifive-unleashed-5.1
Magnus Damm 2009-08-06 14:34:38 +00:00 committed by Paul Mundt
parent 909f10de5d
commit ec56b66fed
1 changed files with 1 additions and 1 deletions
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2
drivers/video/sh_mobile_lcdcfb.c
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@ -177,7 +177,7 @@ static unsigned long lcdc_sys_read_data(void *handle)
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 = {