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authorAndrzej Hajda <a.hajda@samsung.com>2017-03-15 15:41:02 +0100
committerInki Dae <inki.dae@samsung.com>2017-06-01 16:21:33 +0900
commit0586feba322e1de05075700eb4b835c8b683e62b (patch)
tree89ec42b917859efefa112c84b16ebeffc2400fd7 /drivers/gpu/drm/exynos/exynos5433_drm_decon.c
parent73b7b44fbd93509d3f30c83ca53c79a5534b0d68 (diff)
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.c12
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;