A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-07 20:33:58 -04:00
Code Issues Projects Releases Packages Wiki Activity

drm/vc4: Fix refcounting of runtime PM get if it errors out.

Browse source 
We were returning without decrementing if the error happened, meaning
that at the next submit we wouldn't try to bring up the power domain.

Signed-off-by: Eric Anholt <eric@anholt.net>
Link: http://patchwork.freedesktop.org/patch/msgid/20170417162603.12726-1-eric@anholt.net
Reviewed-by: Sean Paul <seanpaul@chromium.org>
This commit is contained in:
Eric Anholt 2017-04-17 09:26:03 -07:00
commit 925d05e1f8
1 changed files with 8 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

13
drivers/gpu/drm/vc4/vc4_gem.c
View file

@ -1010,13 +1010,16 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
}
mutex_lock(&vc4->power_lock);
if (vc4->power_refcount++ == 0)
if (vc4->power_refcount++ == 0) {
ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev);
mutex_unlock(&vc4->power_lock);
if (ret < 0) {
kfree(exec);
return ret;
if (ret < 0) {
mutex_unlock(&vc4->power_lock);
vc4->power_refcount--;
kfree(exec);
return ret;
}
}
mutex_unlock(&vc4->power_lock);
exec->args = args;
INIT_LIST_HEAD(&exec->unref_list);