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| author | Andrzej Hajda <a.hajda@samsung.com> | 2017-03-15 17:41:02 +0300 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2017-06-01 10:21:33 +0300 |
| commit | 0586feba322e1de05075700eb4b835c8b683e62b (patch) | |
| tree | 89ec42b917859efefa112c84b16ebeffc2400fd7 /drivers/gpu/drm/exynos/exynos5433_drm_decon.c | |
| parent | 73b7b44fbd93509d3f30c83ca53c79a5534b0d68 (diff) | |
| download | linux-0586feba322e1de05075700eb4b835c8b683e62b.tar.xz | |
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/exynos5433_drm_decon.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index c0e8d3302292..bae3eb5eb2fa 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -166,6 +166,16 @@ static u32 decon_get_frame_count(struct decon_context *ctx, bool end) return frm; } +static u32 decon_get_vblank_counter(struct exynos_drm_crtc *crtc) +{ + struct decon_context *ctx = crtc->ctx; + + if (test_bit(BIT_SUSPENDED, &ctx->flags)) + return 0; + + return decon_get_frame_count(ctx, false); +} + static void decon_setup_trigger(struct decon_context *ctx) { if (!(ctx->out_type & (IFTYPE_I80 | I80_HW_TRG))) @@ -564,6 +574,7 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = { .disable = decon_disable, .enable_vblank = decon_enable_vblank, .disable_vblank = decon_disable_vblank, + .get_vblank_counter = decon_get_vblank_counter, .atomic_begin = decon_atomic_begin, .update_plane = decon_update_plane, .disable_plane = decon_disable_plane, @@ -583,6 +594,7 @@ static int decon_bind(struct device *dev, struct device *master, void *data) ctx->drm_dev = drm_dev; ctx->pipe = priv->pipe++; + drm_dev->max_vblank_count = 0xffffffff; for (win = ctx->first_win; win < WINDOWS_NR; win++) { int tmp = (win == ctx->first_win) ? 0 : win; |