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gpu: nvgpu: let shutdown callback call vgpu_pm_prepare_poweroff for vgpu

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It fixed the issue that system hang when reboot.

Bug 1638850

Change-Id: If53a31e86c10b2fce4a22fe4fcf92106d86c95ef
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/803234
(cherry picked from commit 4dbea2c7037a5244ccb9d6e886023c29ba584892)
Reviewed-on: http://git-master/r/808245
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Richard Zhao
2015-09-21 10:59:48 -07:00
committed by Terje Bergstrom
parent 0125d2a770
commit cc793c34cc
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/nvgpu/gk20a/gk20a.c
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@@ -1166,7 +1166,10 @@ static void gk20a_pm_shutdown(struct platform_device *pdev)
#endif
/* Be ready for rail-gate after this point */
gk20a_pm_prepare_poweroff(&pdev->dev);
if (gk20a_gpu_is_virtual(pdev))
vgpu_pm_prepare_poweroff(&pdev->dev);
else
gk20a_pm_prepare_poweroff(&pdev->dev);
}
#ifdef CONFIG_PM