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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>
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@ -1539,9 +1539,14 @@ static int sh_mobile_lcdc_overlay_pan(struct fb_var_screeninfo *var,
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ovl->base_addr_c = base_addr_c;
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}
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lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));
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lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y);
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lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c);
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lcdc_write(ovl->channel->lcdc, LDBCR,
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LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index));
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ovl->pan_offset = pan_offset;
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return 0;
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