drm/rockchip: vop: fix window origin calculation
drm/rockchip: vop: fix window origin calculation

VOP_WINx_DSP_ST does not require subtracting 1 from the values written to
it. It actually causes the screen to be shifted by one pixel.

Signed-off-by: Mark Yao <02a1f934a8f8e15762fa0cc676ca9ba75e0db935@rock-chips.com>
Tested-by: Yakir Yang <1c9f6ae536383a751f4cf11501716776dfa82bc2@rock-chips.com>
Reviewed-by: Heiko Stuebner <9ab5f52a1ca0bcf4f70d6d9008e02f6134b5b8f2@sntech.de>
Tested-by: Heiko Stuebner <9ab5f52a1ca0bcf4f70d6d9008e02f6134b5b8f2@sntech.de>
Signed-off-by: Dominik Behr <e7ce582c7d62326af1f467203edc40f69ba4f78f@chromium.org>
Signed-off-by: Mark Yao <02a1f934a8f8e15762fa0cc676ca9ba75e0db935@rock-chips.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs