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| author | Dmitry Osipenko <digetx@gmail.com> | 2020-06-29 06:18:37 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2020-07-17 16:06:15 +0200 |
| commit | 2c2a291d01efdcf336796557de1f651b2581e08d (patch) | |
| tree | 14138365fb85be10b7c7d4b364bb4abcb6f7a2f4 | |
| parent | 5fba01a0d3488a15c4082bc18aea5375bd8fb97f (diff) | |
| download | linux-2c2a291d01efdcf336796557de1f651b2581e08d.tar.gz | |
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: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | drivers/gpu/drm/tegra/gr3d.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/gr3d.c b/drivers/gpu/drm/tegra/gr3d.c index c0a528be0369..b0b8154e8104 100644 --- a/drivers/gpu/drm/tegra/gr3d.c +++ b/drivers/gpu/drm/tegra/gr3d.c @@ -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); |