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Commit 8be7c669 authored by Laurent Pinchart's avatar Laurent Pinchart
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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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent 15dede88

drivers/video/sh_mobile_lcdcfb.c

+5 −0
Original line number Diff line number Diff line
@@ -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;