diff options
Diffstat (limited to 'drivers/video/tegra/host/host1x/host1x.c')
| -rw-r--r-- | drivers/video/tegra/host/host1x/host1x.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/host1x/host1x.c b/drivers/video/tegra/host/host1x/host1x.c index 522219484286..6af16bab059c 100644 --- a/drivers/video/tegra/host/host1x/host1x.c +++ b/drivers/video/tegra/host/host1x/host1x.c @@ -33,6 +33,8 @@ #include <linux/tegra-soc.h> #include <linux/tegra_pm_domains.h> +#include <linux/version.h> +#include <asm/barrier.h> #include "dev.h" #include <trace/events/nvhost.h> @@ -267,6 +269,8 @@ static int nvhost_ioctl_ctrl_module_mutex(struct nvhost_ctrl_userctx *ctx, args->lock > 1) return -EINVAL; + speculation_barrier(); + trace_nvhost_ioctl_ctrl_module_mutex(args->lock, args->id); if (args->lock && !ctx->mod_locks[args->id]) { if (args->id == 0) @@ -379,6 +383,7 @@ static int nvhost_ioctl_ctrl_syncpt_read_max(struct nvhost_ctrl_userctx *ctx, { if (args->id >= nvhost_syncpt_nb_pts(&ctx->dev->syncpt)) return -EINVAL; + speculation_barrier(); args->value = nvhost_syncpt_read_max(&ctx->dev->syncpt, args->id); return 0; } |