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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-07-19 00:29:52 (GMT)
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-07-19 10:15:26 (GMT)
commit8be7c66995bf06769dc4c5f7a62f3cd62a627e7e (patch)
tree04853955f14f76f99cfd44cbec54a967f7d4d266
parent15dede882e564601947f2ce4b647742c0351be6d (diff)
downloadlinux-8be7c66995bf06769dc4c5f7a62f3cd62a627e7e.tar.xz
fbdev: sh_mobile_lcdc: Fix overlay registers update during pan operation
Updating overlay registers require switching to overlay update mode. This was correctly done when configuring the overlay format and size, but not when updating the base address registers during pan operation. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index d82c1de..a502709 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -1539,9 +1539,14 @@ static int sh_mobile_lcdc_overlay_pan(struct fb_var_screeninfo *var,
ovl->base_addr_c = base_addr_c;
}
+ lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));
+
lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y);
lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c);
+ lcdc_write(ovl->channel->lcdc, LDBCR,
+ LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index));
+
ovl->pan_offset = pan_offset;
return 0;