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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>
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3 changed files with 24 additions and 0 deletions
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@ -166,6 +166,16 @@ static u32 decon_get_frame_count(struct decon_context *ctx, bool end)
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return frm;
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}
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static u32 decon_get_vblank_counter(struct exynos_drm_crtc *crtc)
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{
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struct decon_context *ctx = crtc->ctx;
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if (test_bit(BIT_SUSPENDED, &ctx->flags))
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return 0;
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return decon_get_frame_count(ctx, false);
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}
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static void decon_setup_trigger(struct decon_context *ctx)
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{
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if (!(ctx->out_type & (IFTYPE_I80 | I80_HW_TRG)))
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@ -564,6 +574,7 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = {
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.disable = decon_disable,
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.enable_vblank = decon_enable_vblank,
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.disable_vblank = decon_disable_vblank,
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.get_vblank_counter = decon_get_vblank_counter,
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.atomic_begin = decon_atomic_begin,
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.update_plane = decon_update_plane,
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.disable_plane = decon_disable_plane,
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@ -583,6 +594,7 @@ static int decon_bind(struct device *dev, struct device *master, void *data)
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ctx->drm_dev = drm_dev;
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ctx->pipe = priv->pipe++;
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drm_dev->max_vblank_count = 0xffffffff;
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for (win = ctx->first_win; win < WINDOWS_NR; win++) {
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int tmp = (win == ctx->first_win) ? 0 : win;
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@ -142,6 +142,16 @@ static void exynos_drm_crtc_disable_vblank(struct drm_crtc *crtc)
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exynos_crtc->ops->disable_vblank(exynos_crtc);
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}
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static u32 exynos_drm_crtc_get_vblank_counter(struct drm_crtc *crtc)
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{
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struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
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if (exynos_crtc->ops->get_vblank_counter)
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return exynos_crtc->ops->get_vblank_counter(exynos_crtc);
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return 0;
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}
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static const struct drm_crtc_funcs exynos_crtc_funcs = {
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.set_config = drm_atomic_helper_set_config,
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.page_flip = drm_atomic_helper_page_flip,
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@ -151,6 +161,7 @@ static const struct drm_crtc_funcs exynos_crtc_funcs = {
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.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
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.enable_vblank = exynos_drm_crtc_enable_vblank,
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.disable_vblank = exynos_drm_crtc_disable_vblank,
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.get_vblank_counter = exynos_drm_crtc_get_vblank_counter,
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};
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struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
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@ -133,6 +133,7 @@ struct exynos_drm_crtc_ops {
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void (*commit)(struct exynos_drm_crtc *crtc);
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int (*enable_vblank)(struct exynos_drm_crtc *crtc);
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void (*disable_vblank)(struct exynos_drm_crtc *crtc);
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u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);
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int (*atomic_check)(struct exynos_drm_crtc *crtc,
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struct drm_crtc_state *state);
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void (*atomic_begin)(struct exynos_drm_crtc *crtc);
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