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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>
This commit is contained in:
Laurent Pinchart 2012-07-19 02:29:52 +02:00
parent 15dede882e
commit 8be7c66995
1 changed files with 5 additions and 0 deletions
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5
drivers/video/sh_mobile_lcdcfb.c
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@ -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;