drm/vc4: Don't disable DSI clocks on component unload.

The clocks are enabled/disabled at encoder enable/disable time, not at
component load.  Fixes a WARN_ON at boot if V3D fails to probe.

Fixes: 4078f5757144 ("drm/vc4: Add DSI driver")
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20170802203242.12815-2-eric@anholt.net
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 629d372..13481bb 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -1641,9 +1641,6 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master,
 
        mipi_dsi_host_unregister(&dsi->dsi_host);
 
-       clk_disable_unprepare(dsi->pll_phy_clock);
-       clk_disable_unprepare(dsi->escape_clock);
-
        if (dsi->port == 1)
                vc4->dsi1 = NULL;
 }