From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751257AbdBWINr (ORCPT ); Thu, 23 Feb 2017 03:13:47 -0500 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:48854 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751034AbdBWINo (ORCPT ); Thu, 23 Feb 2017 03:13:44 -0500 From: Chen-Yu Tsai To: Maxime Ripard , David Airlie Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 01/11] drm/sun4i: Make sunxi_rgb2yuv_coef constant Date: Thu, 23 Feb 2017 16:05:33 +0800 Message-Id: <20170223080543.6659-2-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170223080543.6659-1-wens@csie.org> References: <20170223080543.6659-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Signed-off-by: Chen-Yu Tsai --- 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