From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752661AbdLAGGa (ORCPT ); Fri, 1 Dec 2017 01:06:30 -0500 Received: from mailoutvs3.siol.net ([213.250.19.136]:47762 "EHLO mail.siol.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752633AbdLAGG2 (ORCPT ); Fri, 1 Dec 2017 01:06:28 -0500 From: Jernej Skrabec To: maxime.ripard@free-electrons.com Cc: wens@csie.org, airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, icenowy@aosc.io, linux-sunxi@googlegroups.com Subject: [PATCH v2 06/27] drm/sun4i: Explain color macro in DE2 driver Date: Fri, 1 Dec 2017 07:05:29 +0100 Message-Id: <20171201060550.10392-7-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171201060550.10392-1-jernej.skrabec@siol.net> References: <20171201060550.10392-1-jernej.skrabec@siol.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Color attribute have same format troughout the whole driver. Rename macro, add comment with simple explanation and remove redundant definitions. Signed-off-by: Jernej Skrabec --- drivers/gpu/drm/sun4i/sun8i_mixer.c | 8 +++++--- drivers/gpu/drm/sun4i/sun8i_mixer.h | 4 ++-- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c index f4a7fa0ba7ad..5144e6d0ac56 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c @@ -317,17 +317,19 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master, regmap_write(mixer->engine.regs, SUN8I_MIXER_GLOBAL_CTL, SUN8I_MIXER_GLOBAL_CTL_RT_EN); + /* Set background color to black */ + regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR, + SUN8I_MIXER_BLEND_COLOR_BLACK); + /* Initialize blender */ regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_FCOLOR_CTL, SUN8I_MIXER_BLEND_FCOLOR_CTL_DEF); - regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR, - SUN8I_MIXER_BLEND_BKCOLOR_DEF); regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_MODE(0), SUN8I_MIXER_BLEND_MODE_DEF); regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ATTR_FCOLOR(0), - SUN8I_MIXER_BLEND_ATTR_FCOLOR_DEF); + SUN8I_MIXER_BLEND_COLOR_BLACK); /* Select the first UI channel */ DRM_DEBUG_DRIVER("Selecting channel %d (first UI channel)\n", diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h index db005a4bca43..9b50733298b8 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.h +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h @@ -45,10 +45,10 @@ #define SUN8I_MIXER_BLEND_CK_MIN(x) (0x10e0 + 0x04 * (x)) #define SUN8I_MIXER_BLEND_OUTCTL 0x10fc +/* colors are always in AARRGGBB format */ +#define SUN8I_MIXER_BLEND_COLOR_BLACK 0xff000000 /* The following numbers are some still unknown magic numbers */ -#define SUN8I_MIXER_BLEND_ATTR_FCOLOR_DEF 0xff000000 #define SUN8I_MIXER_BLEND_FCOLOR_CTL_DEF 0x00000101 -#define SUN8I_MIXER_BLEND_BKCOLOR_DEF 0xff000000 #define SUN8I_MIXER_BLEND_MODE_DEF 0x03010301 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED BIT(1) -- 2.15.1