Commit 2c2a291d authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding
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drm/tegra: gr3d: Assert reset before power-gating 



Tegra TRM documentation states that hardware should be in a default state
when power partition is turned off, i.e. reset should be asserted. This
patch adds the missing reset assertions.

Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 5fba01a0

drivers/gpu/drm/tegra/gr3d.c

+2 −0
Original line number Diff line number Diff line
@@ -381,10 +381,12 @@ static int gr3d_remove(struct platform_device *pdev) 
	}



	if (gr3d->clk_secondary) {

		reset_control_assert(gr3d->rst_secondary);

		tegra_powergate_power_off(TEGRA_POWERGATE_3D1);

		clk_disable_unprepare(gr3d->clk_secondary);

	}



	reset_control_assert(gr3d->rst);

	tegra_powergate_power_off(TEGRA_POWERGATE_3D);

	clk_disable_unprepare(gr3d->clk);