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| author | Andrzej Hajda <a.hajda@samsung.com> | 2017-03-15 15:41:02 +0100 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2017-06-01 09:21:33 +0200 |
| commit | 0586feba322e1de05075700eb4b835c8b683e62b (patch) | |
| tree | 89ec42b917859efefa112c84b16ebeffc2400fd7 /drivers/gpu/drm/exynos/exynos_drm_crtc.c | |
| parent | drm/exynos: simplify completion event handling (diff) | |
| download | linux-0586feba322e1de05075700eb4b835c8b683e62b.tar.xz linux-0586feba322e1de05075700eb4b835c8b683e62b.zip | |
drm/exynos/decon5433: implement frame counter
DECON in Exynos5433 has frame counter, it can be used to implement
get_vblank_counter callback.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 918497404aec..c02378b91332 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -142,6 +142,16 @@ static void exynos_drm_crtc_disable_vblank(struct drm_crtc *crtc) exynos_crtc->ops->disable_vblank(exynos_crtc); } +static u32 exynos_drm_crtc_get_vblank_counter(struct drm_crtc *crtc) +{ + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + + if (exynos_crtc->ops->get_vblank_counter) + return exynos_crtc->ops->get_vblank_counter(exynos_crtc); + + return 0; +} + static const struct drm_crtc_funcs exynos_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, @@ -151,6 +161,7 @@ static const struct drm_crtc_funcs exynos_crtc_funcs = { .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, .enable_vblank = exynos_drm_crtc_enable_vblank, .disable_vblank = exynos_drm_crtc_disable_vblank, + .get_vblank_counter = exynos_drm_crtc_get_vblank_counter, }; struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev, |