diff options
| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2018-03-01 22:34:32 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-03-02 08:44:17 +0100 |
| commit | f3e5feeb92a163c935659b7222a32965276c1c23 (patch) | |
| tree | 1a7bdd349bfa8abc49b3fe62b8537b6c6aea9992 /drivers/gpu | |
| parent | drm/sun4i: Fix dclk_set_phase (diff) | |
| download | linux-f3e5feeb92a163c935659b7222a32965276c1c23.tar.xz linux-f3e5feeb92a163c935659b7222a32965276c1c23.zip | |
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
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index b3960118deb9..ade197b1a9ac 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -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, |