From: Thierry Reding <treding@nvidia.com>
Date: Fri, 11 Jul 2014 06:39:03 +0000 (+0200)
Subject: drm/tegra: dc - Reset controller on driver remove
X-Git-Tag: firefly_0821_release~176^2~3450^2~1^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5482d75a6597de97f79255a257c486a6960c6c65;p=firefly-linux-kernel-4.4.55.git

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 8886907d44b0..b2065d9e13d4 100644
--- 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;