sunxi: display: Mark sunxi_rgb2yuv_coef array as const

sunxi_rgb2yuv_coef is readonly and never modified.

Signed-off-by: Priit Laes <plaes@plaes.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>

diff --git a/drivers/video/sunxi/sunxi_display.c b/drivers/video/sunxi/sunxi_display.c
index 5c8f88c42fe82066b859e7fe4907f3503572ab4f..6dd9bec351fb4525b357db4d75a2c1ed49db7ed5 100644 (file)
--- a/drivers/video/sunxi/sunxi_display.c
+++ b/drivers/video/sunxi/sunxi_display.c
@@ -460,7 +460,7 @@ static void sunxi_composer_init(void)
        setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_ENABLE);
 }
 
-static u32 sunxi_rgb2yuv_coef[12] = {
+static const u32 sunxi_rgb2yuv_coef[12] = {
        0x00000107, 0x00000204, 0x00000064, 0x00000108,
        0x00003f69, 0x00003ed6, 0x000001c1, 0x00000808,
        0x000001c1, 0x00003e88, 0x00003fb8, 0x00000808