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authorMikko Perttunen <[email protected]>2017-06-09 15:25:40 +0300
committerBen Skeggs <[email protected]>2017-06-16 14:05:04 +1000
commitfcd504e31292c9fdba07bcd44350c145bc214183 (patch)
tree49cb71d4738a629cb723f1019e28152f81f31261
parentb1df242544b9477dd529b468c13066b66a3f9e97 (diff)
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 <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c3
1 files changed, 0 insertions, 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);