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authorJernej Skrabec <jernej.skrabec@siol.net>2018-11-04 19:26:48 +0100
committerMaxime Ripard <maxime.ripard@bootlin.com>2018-11-05 10:35:27 +0100
commit97eb57feda80b7bf63ae9f74683b38ea21166eb9 (patch)
treeb1e63f41575b829c53195db68b1d2f930c9fd2a2 /drivers/gpu/drm/sun4i/sun8i_mixer.c
parent218d6a3cfc960b066a321ae55de79e6b8e98263f (diff)
downloadtalos-op-linux-97eb57feda80b7bf63ae9f74683b38ea21166eb9.tar.gz
talos-op-linux-97eb57feda80b7bf63ae9f74683b38ea21166eb9.zip
drm/sun4i: Disable unused DE2 sub-engines
Some sub-engines are unused. Disable them explicitly. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181104182705.18047-12-jernej.skrabec@siol.net
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_mixer.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_mixer.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index 6769ec08c0d3..3c2ce2781fc8 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -463,6 +463,15 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master,
for (i = 0; i < DE2_MIXER_UNIT_SIZE; i += 4)
regmap_write(mixer->engine.regs, i, 0);
+ /* Disable unused sub-engines */
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_FCE_EN, 0);
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_BWS_EN, 0);
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_LTI_EN, 0);
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_PEAK_EN, 0);
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_ASE_EN, 0);
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_FCC_EN, 0);
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_DCSC_EN, 0);
+
/* Enable the mixer */
regmap_write(mixer->engine.regs, SUN8I_MIXER_GLOBAL_CTL,
SUN8I_MIXER_GLOBAL_CTL_RT_EN);
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