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drm/nouveau: ensure channels are stopped before saving fences for suspend 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-05-07 08:33:10 +10:00
parent b5096566f6
commit 81dff21b64
1 changed files with 20 additions and 5 deletions
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25
drivers/gpu/drm/nouveau/nouveau_drm.c
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@ -453,18 +453,32 @@ nouveau_do_suspend(struct drm_device *dev)
NV_INFO(drm, "evicting buffers...\n");
ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
NV_INFO(drm, "waiting for kernel channels to go idle...\n");
if (drm->cechan) {
ret = nouveau_channel_idle(drm->cechan);
if (ret)
return ret;
}
if (drm->channel) {
ret = nouveau_channel_idle(drm->channel);
if (ret)
return ret;
}
NV_INFO(drm, "suspending client object trees...\n");
if (drm->fence && nouveau_fence(drm)->suspend) {
if (!nouveau_fence(drm)->suspend(drm))
return -ENOMEM;
}
NV_INFO(drm, "suspending client object trees...\n");
list_for_each_entry(cli, &drm->clients, head) {
ret = nouveau_client_fini(&cli->base, true);
if (ret)
goto fail_client;
}
NV_INFO(drm, "suspending kernel object tree...\n");
ret = nouveau_client_fini(&drm->client.base, true);
if (ret)
goto fail_client;
@ -514,17 +528,18 @@ nouveau_do_resume(struct drm_device *dev)
nouveau_agp_reset(drm);
NV_INFO(drm, "resuming client object trees...\n");
NV_INFO(drm, "resuming kernel object tree...\n");
nouveau_client_init(&drm->client.base);
nouveau_agp_init(drm);
NV_INFO(drm, "resuming client object trees...\n");
if (drm->fence && nouveau_fence(drm)->resume)
nouveau_fence(drm)->resume(drm);
list_for_each_entry(cli, &drm->clients, head) {
nouveau_client_init(&cli->base);
}
if (drm->fence && nouveau_fence(drm)->resume)
nouveau_fence(drm)->resume(drm);
nouveau_run_vbios_init(dev);
nouveau_pm_resume(dev);