diff options
| author | Deepak Nibade <dnibade@nvidia.com> | 2014-06-12 19:28:15 +0530 |
|---|---|---|
| committer | Mandar Padmawar <mpadmawar@nvidia.com> | 2014-06-18 21:34:06 -0700 |
| commit | 569fc01ace0ceb16212293cf6cf8dc7bd0e26998 (patch) | |
| tree | bfe06c6ce9bcbc48538d3321848de6fe4ab93145 | |
| parent | cc5a55b9c0a83405dddc7d3f9afcb7ee15b9e79c (diff) | |
gpu: nvgpu: do not idle timed out channels
While suspending the device, do not submit WFI on
timed out channels
Submitting WFI on timed out channels will cuase submit_wfi()
to return error and as result of this, rail gating of device
will be prevented
Bug 200010416
Change-Id: Ic097bfdae59dbf9e1f2aea5d8d0431b5f1c3721b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/422743
(cherry picked from commit 9ac601c0035240f6bacc3c42c5cc9e7b85a65456)
Reviewed-on: http://git-master/r/424542
Reviewed-by: Mandar Padmawar <mpadmawar@nvidia.com>
Tested-by: Mandar Padmawar <mpadmawar@nvidia.com>
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/channel_gk20a.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c index 25dee02286a9..cecdc667509c 100644 --- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c @@ -1849,7 +1849,7 @@ int gk20a_channel_suspend(struct gk20a *g) /* idle the engine by submitting WFI on non-KEPLER_C channel */ for (chid = 0; chid < f->num_channels; chid++) { struct channel_gk20a *c = &f->channel[chid]; - if (c->in_use && c->obj_class != KEPLER_C) { + if (c->in_use && c->obj_class != KEPLER_C && !c->has_timedout) { err = gk20a_channel_submit_wfi(c); if (err) { gk20a_err(d, "cannot idle channel %d\n", |