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drm/radeon: properly handle pm on gpu reset

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When we reset the GPU, we need to properly tear
down power management before reseting the GPU and then
set it back up again after reset.  Add the missing
radeon_pm_[suspend|resume] calls to the gpu reset
function.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-07-31 09:16:42 -04:00
parent adfb8e5133
commit 95f595097b
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/radeon/radeon_device.c
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@ -1519,6 +1519,7 @@ int radeon_gpu_reset(struct radeon_device *rdev)
radeon_save_bios_scratch_regs(rdev);
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
radeon_pm_suspend(rdev);
radeon_suspend(rdev);
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
@ -1564,6 +1565,7 @@ retry:
}
}
radeon_pm_resume(rdev);
drm_helper_resume_force_mode(rdev->ddev);
ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);