diff options
| author | Greg Hackmann <ghackmann@google.com> | 2013-09-05 10:53:53 -0700 |
|---|---|---|
| committer | Jon Mayo <jmayo@nvidia.com> | 2014-03-19 18:05:44 -0700 |
| commit | 46be5a54e1632d824889c80add9d4c2a3cfd626d (patch) | |
| tree | 54f5248c9b7add86f9f1b6b4bb11386a65afd7cc /drivers/video/tegra/dc/dc.c | |
| parent | ad32d404c0b740a1cdc117e63eefa575f35ec7fd (diff) | |
video: tegra: dc: expose in-kernel fence creation
Needed for ADF hardware fence support
Bug 1459374
Change-Id: I8751ca5809998aa13f5c58ef3fc448486f604926
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Xia Yang <xiay@nvidia.com>
Reviewed-on: http://git-master/r/366188
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
Diffstat (limited to 'drivers/video/tegra/dc/dc.c')
| -rw-r--r-- | drivers/video/tegra/dc/dc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c index 1b49d940602d..e39b94cbebde 100644 --- a/drivers/video/tegra/dc/dc.c +++ b/drivers/video/tegra/dc/dc.c @@ -53,6 +53,7 @@ #include <mach/fb.h> #include <mach/mc.h> #include <linux/nvhost.h> +#include <linux/nvhost_ioctl.h> #include <mach/latency_allowance.h> #include <mach/pm_domains.h> @@ -60,6 +61,7 @@ #include "dc_config.h" #include "dc_priv.h" #include "dev.h" +#include "nvhost_sync.h" #include "nvsd.h" #include "dp.h" #include "nvsr.h" @@ -1233,6 +1235,18 @@ void tegra_dc_incr_syncpt_min(struct tegra_dc *dc, int i, u32 val) mutex_unlock(&dc->lock); } +struct sync_fence *tegra_dc_create_fence(struct tegra_dc *dc, int i, u32 val) +{ + struct nvhost_ctrl_sync_fence_info syncpt; + struct nvhost_master *host = nvhost_get_host(dc->ndev); + u32 id = tegra_dc_get_syncpt_id(dc, i); + + syncpt.id = id; + syncpt.thresh = val; + return nvhost_sync_create_fence(&host->syncpt, &syncpt, 1, + dev_name(&dc->ndev->dev)); +} + void tegra_dc_config_pwm(struct tegra_dc *dc, struct tegra_dc_pwm_params *cfg) { |