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author | Jernej Skrabec <jernej.skrabec@siol.net> | 2017-12-01 09:05:29 +0300 |
---|---|---|
committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-12-05 15:22:42 +0300 |
commit | 2f4cffe4e23c2eb638b03f853c830ab669063410 (patch) | |
tree | acfa0c6ed785a39480f39ad692e2244d8b2f4001 | |
parent | 7f11f1da5cfd870ddd0a2fedbd2d8c6ace04c113 (diff) | |
download | linux-2f4cffe4e23c2eb638b03f853c830ab669063410.tar.xz |
drm/sun4i: Explain color macro in DE2 driver
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
-rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_mixer.c | 8 | ||||
-rw-r--r-- | 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) |