From: Marek Vasut <marex@denx.de>
To: dri-devel@lists.freedesktop.org
Cc: Marek Vasut <marex@denx.de>
Subject: [PATCH] drm: simple_kms_helper: Handle the vblank events
Date: Sun, 25 Sep 2016 21:41:58 +0200 [thread overview]
Message-ID: <20160925194158.7869-1-marex@denx.de> (raw)
Handle the vblank events in the simple_kms_helper driver, otherwise
the drm_atomic_helper flip_done event never happens.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
---
drivers/gpu/drm/drm_simple_kms_helper.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
index 7b6d26e..3345b40 100644
--- a/drivers/gpu/drm/drm_simple_kms_helper.c
+++ b/drivers/gpu/drm/drm_simple_kms_helper.c
@@ -34,6 +34,23 @@ static const struct drm_encoder_funcs drm_simple_kms_encoder_funcs = {
.destroy = drm_encoder_cleanup,
};
+static void drm_simple_kms_crtc_begin(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ struct drm_pending_vblank_event *event = crtc->state->event;
+
+ if (event) {
+ crtc->state->event = NULL;
+
+ spin_lock_irq(&crtc->dev->event_lock);
+ if (drm_crtc_vblank_get(crtc) == 0)
+ drm_crtc_arm_vblank_event(crtc, event);
+ else
+ drm_crtc_send_vblank_event(crtc, event);
+ spin_unlock_irq(&crtc->dev->event_lock);
+ }
+}
+
static int drm_simple_kms_crtc_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
@@ -63,6 +80,7 @@ static void drm_simple_kms_crtc_disable(struct drm_crtc *crtc)
}
static const struct drm_crtc_helper_funcs drm_simple_kms_crtc_helper_funcs = {
+ .atomic_begin = drm_simple_kms_crtc_begin,
.atomic_check = drm_simple_kms_crtc_check,
.disable = drm_simple_kms_crtc_disable,
.enable = drm_simple_kms_crtc_enable,
--
2.9.3
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next reply other threads:[~2016-09-25 19:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-25 19:41 Marek Vasut [this message]
2016-09-25 21:00 ` [PATCH] drm: simple_kms_helper: Handle the vblank events Daniel Vetter
2016-09-26 9:41 ` Marek Vasut
2016-09-26 12:59 ` Marek Vasut
2016-09-27 7:49 ` Daniel Vetter
2016-09-27 10:29 ` Marek Vasut
2016-09-27 12:16 ` Noralf Trønnes
2016-09-27 12:20 ` Marek Vasut
2016-09-29 9:28 ` Daniel Vetter
2016-09-29 21:04 ` Marek Vasut
2016-09-30 9:50 ` Daniel Vetter
2016-10-02 17:15 ` Marek Vasut
2016-10-03 13:51 ` Daniel Vetter
2016-10-04 20:39 ` Marek Vasut
2016-09-27 7:50 ` Daniel Vetter
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