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Revert "drm/amdgpu: stop scheduler when calling hw_fini (v2)"

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This reverts commit f7d6779df6.

This bisected regression has impacted suspend-resume stability
since 5.15-rc1. It regressed -stable via 5.14.10.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=215315
Fixes: f7d6779df6 ("drm/amdgpu: stop scheduler when calling hw_fini (v2)")
Cc: Guchun Chen <guchun.chen@amd.com>
Cc: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org> # 5.14+
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Len Brown 2022-01-09 13:11:37 -05:00 committed by Linus Torvalds
parent 4634129ad9
commit df5bc0aa7f
1 changed files with 0 additions and 8 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
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@ -547,9 +547,6 @@ void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev)
if (!ring || !ring->fence_drv.initialized)
continue;
if (!ring->no_scheduler)
drm_sched_stop(&ring->sched, NULL);
/* You can't wait for HW to signal if it's gone */
if (!drm_dev_is_unplugged(adev_to_drm(adev)))
r = amdgpu_fence_wait_empty(ring);
@ -609,11 +606,6 @@ void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev)
if (!ring || !ring->fence_drv.initialized)
continue;
if (!ring->no_scheduler) {
drm_sched_resubmit_jobs(&ring->sched);
drm_sched_start(&ring->sched, true);
}
/* enable the interrupt */
if (ring->fence_drv.irq_src)
amdgpu_irq_get(adev, ring->fence_drv.irq_src,