fbdev: sh_mobile_lcdc: Store the frame buffer base address when panning
When the frame buffer base address is changed by a panning operation,
store it in the channel structure. It will be reused when runtime PM
code will use __sh_mobile_lcdc_start().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 292cfc0..69c267a 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -915,33 +915,29 @@
base_addr_c += 2 * var->xoffset;
else
base_addr_c += var->xoffset;
- } else
- base_addr_c = 0;
+ }
- if (!ch->meram_enabled) {
- lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y);
- if (base_addr_c)
- lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c);
- } else {
+ if (ch->meram_enabled) {
struct sh_mobile_meram_cfg *cfg;
struct sh_mobile_meram_info *mdev;
- unsigned long icb_addr_y, icb_addr_c;
int ret;
cfg = ch->cfg.meram_cfg;
mdev = priv->meram_dev;
ret = mdev->ops->meram_update(mdev, cfg,
base_addr_y, base_addr_c,
- &icb_addr_y, &icb_addr_c);
+ &base_addr_y, &base_addr_c);
if (ret)
return ret;
-
- lcdc_write_chan_mirror(ch, LDSA1R, icb_addr_y);
- if (icb_addr_c)
- lcdc_write_chan_mirror(ch, LDSA2R, icb_addr_c);
-
}
+ ch->base_addr_y = base_addr_y;
+ ch->base_addr_c = base_addr_c;
+
+ lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y);
+ if (var->nonstd)
+ lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c);
+
if (lcdc_chan_is_sublcd(ch))
lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_SRS);
else
