drm/tegra: dc - Reset controller on driver remove

Since the device will no longer be used, may as well keep it in reset to
potentially save some power and make sure it is in a clean state the
next time it's probed.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 8886907d44b0add3d1bd5aef4b3251865a653c10..b2065d9e13d4202c062bc77603cfbbab2ecd24b6 100644 (file)
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1521,6 +1521,7 @@ static int tegra_dc_remove(struct platform_device *pdev)
                return err;
        }
 
+       reset_control_assert(dc->rst);
        clk_disable_unprepare(dc->clk);
 
        return 0;