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gpu: nvgpu: set driver unload flag in shutdown

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Call gk20a_driver_start_unload() in the beginning
of gk20a_pm_shutdown() so that we prevent new
calls to gk20a_busy()

Bug 200265373

Change-Id: I240cab4b505be4928341ab3deb13f37241d27aeb
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1275486
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Nibade
2016-12-22 14:32:02 +05:30
committed by mobile promotions
parent 425f99335b
commit f3d2dd4fd2
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/nvgpu/gk20a/gk20a.c
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@@ -1357,6 +1357,8 @@ static void gk20a_pm_shutdown(struct platform_device *pdev)
dev_info(&pdev->dev, "shutting down");
gk20a_driver_start_unload(platform->g);
/* If GPU is already railgated,
* just prevent more requests, and return */
if (platform->is_railgated && platform->is_railgated(&pdev->dev)) {