drm/tegra: Implement page-flipping support
All the necessary support bits like .mode_set_base() and VBLANK are now
available, so page-flipping case easily be implemented on top.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 4e31dac..97485af 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -135,11 +135,20 @@
tegra_dc_disable_vblank(dc);
}
+static void tegra_drm_preclose(struct drm_device *drm, struct drm_file *file)
+{
+ struct drm_crtc *crtc;
+
+ list_for_each_entry(crtc, &drm->mode_config.crtc_list, head)
+ tegra_dc_cancel_page_flip(crtc, file);
+}
+
struct drm_driver tegra_drm_driver = {
.driver_features = DRIVER_BUS_PLATFORM | DRIVER_MODESET | DRIVER_GEM,
.load = tegra_drm_load,
.unload = tegra_drm_unload,
.open = tegra_drm_open,
+ .preclose = tegra_drm_preclose,
.lastclose = tegra_drm_lastclose,
.get_vblank_counter = tegra_drm_get_vblank_counter,