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| author | Eric Anholt <eric@anholt.net> | 2019-03-14 02:52:08 +0300 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2019-04-01 20:44:27 +0300 |
| commit | ad8d68b214c79c7db7ffc10cd3a0c706cb15ad05 (patch) | |
| tree | 0be5a129cdc2b6f9c963652dbe99d968acacfce5 /drivers/gpu/drm/v3d | |
| parent | fc0c77fcbfb7c8e022a0bd655eeb7fa5f9bb1684 (diff) | |
| download | linux-ad8d68b214c79c7db7ffc10cd3a0c706cb15ad05.tar.xz | |
drm/v3d: Add a note about OOM vs FLDONE, which may be racing on v3.3.
We deref v3d->bin_job in the work handler, but v3d->bin_job doesn't
actually hold a ref on the job.
v2: typo fix FRDONE -> FLDONE
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190313235211.28995-1-eric@anholt.net
Reviewed-by: Dave Emett <david.emett@broadcom.com>
Diffstat (limited to 'drivers/gpu/drm/v3d')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_irq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c index b4d6ae81186d..656040ce2a39 100644 --- a/drivers/gpu/drm/v3d/v3d_irq.c +++ b/drivers/gpu/drm/v3d/v3d_irq.c @@ -87,7 +87,8 @@ v3d_irq(int irq, void *arg) if (intsts & V3D_INT_OUTOMEM) { /* Note that the OOM status is edge signaled, so the * interrupt won't happen again until the we actually - * add more memory. + * add more memory. Also, as of V3D 4.1, FLDONE won't + * be reported until any OOM state has been cleared. */ schedule_work(&v3d->overflow_mem_work); status = IRQ_HANDLED; |