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drm/sun4i: Release exclusive clock lock when disabling TCON 

Currently exclusive TCON clock lock is never released, which, for
example, prevents changing resolution on HDMI.

In order to fix that, release clock when disabling TCON. TCON is always
disabled first before new mode is set.

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/20180301213442.16677-7-jernej.skrabec@siol.net
This commit is contained in:
Jernej Skrabec 2018-03-01 22:34:32 +01:00 committed by Maxime Ripard
parent e64b6afa98
commit f3e5feeb92
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GPG Key ID: D2B4C094214DAF74
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/sun4i/sun4i_tcon.c
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@ -101,10 +101,12 @@ static void sun4i_tcon_channel_set_status(struct sun4i_tcon *tcon, int channel,
return;
}
if (enabled)
if (enabled) {
clk_prepare_enable(clk);
else
} else {
clk_rate_exclusive_put(clk);
clk_disable_unprepare(clk);
}
}
static void sun4i_tcon_lvds_set_status(struct sun4i_tcon *tcon,