drm/tegra: Atomic conversion, phase 3, step 3

Provide a custom ->atomic_commit() implementation which supports async
commits. The generic atomic page-flip helper can use this to implement
page-flipping.

Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 3db719de312f..b1c7027b26e7 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -50,6 +50,12 @@ struct tegra_drm {
 #endif
 
 	unsigned int pitch_align;
+
+	struct {
+		struct drm_atomic_state *state;
+		struct work_struct work;
+		struct mutex lock;
+	} commit;
 };
 
 struct tegra_drm_client;