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Unverified Commit f3e5feeb authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Maxime Ripard
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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: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180301213442.16677-7-jernej.skrabec@siol.net
parent e64b6afa

drivers/gpu/drm/sun4i/sun4i_tcon.c

+4 −2
Original line number Diff line number Diff line
@@ -101,11 +101,13 @@ 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,

				       const struct drm_encoder *encoder,