diff options
| author | Eric Anholt <eric@anholt.net> | 2016-02-08 12:59:02 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2016-02-16 12:21:01 -0800 |
| commit | 36cb6253f9383fd9a59ee7b8458c6232ef48577c (patch) | |
| tree | e2e1d30ebfd5125f31bbeefd813bce744b692a15 /drivers/gpu/drm/vc4/vc4_v3d.c | |
| parent | 001bdb55d9eb72a9e2d5b623bacfc52da74ae03e (diff) | |
| download | linux-36cb6253f9383fd9a59ee7b8458c6232ef48577c.tar.gz | |
drm/vc4: Use runtime PM to power cycle the device when the GPU hangs.
This gets us functional GPU reset again, like we had until a refactor
at merge time. Tested with a little patch to stuff in a broken binner
job every 100 frames.
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_v3d.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_v3d.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index cb38b6bf4119..31de5d17bc85 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -145,18 +145,6 @@ int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused) } #endif /* CONFIG_DEBUG_FS */ -int -vc4_v3d_set_power(struct vc4_dev *vc4, bool on) -{ - /* XXX: This interface is needed for GPU reset, and the way to - * do it is to turn our power domain off and back on. We - * can't just reset from within the driver, because the reset - * bits are in the power domain's register area, and get set - * during the poweron process. - */ - return 0; -} - static void vc4_v3d_init_hw(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); |