diff options
| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-01-23 02:45:02 -0500 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-01-30 09:20:28 +1000 |
| commit | f3980dc50c5117a952baee7135aae50d48304af3 (patch) | |
| tree | 34f162b4df261f10701e13e279cf09363023797c /drivers/gpu | |
| parent | 09c3de135063f93d7137ad112f551f293b1204cf (diff) | |
| download | linux-f3980dc50c5117a952baee7135aae50d48304af3.tar.bz2 | |
drm/nouveau: resume display if any later suspend bits fail
If either idling channels or suspending the fence were to fail, the
display would never be resumed. Also if a client fails, resume the fence
(not functionally important, but it would potentially leak memory).
See https://bugs.freedesktop.org/show_bug.cgi?id=70213
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drm.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index eecc6ca377c8..78c8e7146d56 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -503,19 +503,21 @@ nouveau_do_suspend(struct drm_device *dev) if (drm->cechan) { ret = nouveau_channel_idle(drm->cechan); if (ret) - return ret; + goto fail_display; } if (drm->channel) { ret = nouveau_channel_idle(drm->channel); if (ret) - return ret; + goto fail_display; } NV_INFO(drm, "suspending client object trees...\n"); if (drm->fence && nouveau_fence(drm)->suspend) { - if (!nouveau_fence(drm)->suspend(drm)) - return -ENOMEM; + if (!nouveau_fence(drm)->suspend(drm)) { + ret = -ENOMEM; + goto fail_display; + } } list_for_each_entry(cli, &drm->clients, head) { @@ -537,6 +539,10 @@ fail_client: nouveau_client_init(&cli->base); } + if (drm->fence && nouveau_fence(drm)->resume) + nouveau_fence(drm)->resume(drm); + +fail_display: if (dev->mode_config.num_crtc) { NV_INFO(drm, "resuming display...\n"); nouveau_display_resume(dev); |