linux-kernel - [PATCH 01/11] drm/sun4i: Make sunxi_rgb2yuv

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Date:   Thu, 23 Feb 2017 16:05:33 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        David Airlie <airlied@...ux.ie>
Cc:     Chen-Yu Tsai <wens@...e.org>, dri-devel@...ts.freedesktop.org,
        linux-sunxi@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 01/11] drm/sun4i: Make sunxi_rgb2yuv_coef constant

sunxi_rgb2yuv_coef is a table of RGB-to-YUV conversion coefficients.
They are programmed into the hardware, and can be declared constant.

Reported-by: Priit Laes <plaes@...es.org>
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 drivers/gpu/drm/sun4i/sun4i_backend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index 5bf1ea4d92fc..7a61bd330f04 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -24,7 +24,7 @@
 #include "sun4i_backend.h"
 #include "sun4i_drv.h"
 
-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
-- 
2.11.0