diff options
Diffstat (limited to 'drivers/gpu/host1x/syncpt.c')
| -rw-r--r-- | drivers/gpu/host1x/syncpt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c index fcba94cbf4ed..a2a952adc136 100644 --- a/drivers/gpu/host1x/syncpt.c +++ b/drivers/gpu/host1x/syncpt.c @@ -398,6 +398,13 @@ int host1x_syncpt_init(struct host1x *host) for (i = 0; i < host->info->nb_pts; i++) { syncpt[i].id = i; syncpt[i].host = host; + + /* + * Unassign syncpt from channels for purposes of Tegra186 + * syncpoint protection. This prevents any channel from + * accessing it until it is reassigned. + */ + host1x_hw_syncpt_assign_to_channel(host, &syncpt[i], NULL); } for (i = 0; i < host->info->nb_bases; i++) @@ -408,6 +415,7 @@ int host1x_syncpt_init(struct host1x *host) host->bases = bases; host1x_syncpt_restore(host); + host1x_hw_syncpt_enable_protection(host); /* Allocate sync point to use for clearing waits for expired fences */ host->nop_sp = host1x_syncpt_alloc(host, NULL, 0); |