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drm/nouveau/tegra: Don't leave GPU in reset 

On Tegra186 systems with certain firmware revisions, leaving the GPU in
reset can cause a hang. To prevent this, don't leave the GPU in reset.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Mikko Perttunen 2017-06-09 15:25:40 +03:00 committed by Ben Skeggs
parent b1df242544
commit fcd504e312
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
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@ -82,9 +82,6 @@ nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev)
{
int ret;
reset_control_assert(tdev->rst);
udelay(10);
clk_disable_unprepare(tdev->clk_pwr);
if (tdev->clk_ref)
clk_disable_unprepare(tdev->clk_ref);