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drm/sun4i: Explain color macro in DE2 driver

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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 <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171201060550.10392-7-jernej.skrabec@siol.net
This commit is contained in:
Jernej Skrabec 2017-12-01 07:05:29 +01:00 committed by Maxime Ripard
parent 7f11f1da5c
commit 2f4cffe4e2
2 changed files with 7 additions and 5 deletions
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8
drivers/gpu/drm/sun4i/sun8i_mixer.c
View file

@ -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",

4
drivers/gpu/drm/sun4i/sun8i_mixer.h
View file

@ -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)