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 --- drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 3 --- 1 file changed, 3 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 3d42cdbbe9c0..189ed80e21ff 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -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);