summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/meson/meson_crtc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/meson/meson_crtc.c')
-rw-r--r--drivers/gpu/drm/meson/meson_crtc.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c
index 05520202c967..191b314f9e9e 100644
--- a/drivers/gpu/drm/meson/meson_crtc.c
+++ b/drivers/gpu/drm/meson/meson_crtc.c
@@ -45,6 +45,7 @@ struct meson_crtc {
struct drm_crtc base;
struct drm_pending_vblank_event *event;
struct meson_drm *priv;
+ bool enabled;
};
#define to_meson_crtc(x) container_of(x, struct meson_crtc, base)
@@ -80,8 +81,7 @@ static const struct drm_crtc_funcs meson_crtc_funcs = {
};
-static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
- struct drm_crtc_state *old_state)
+static void meson_crtc_enable(struct drm_crtc *crtc)
{
struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
struct drm_crtc_state *crtc_state = crtc->state;
@@ -101,6 +101,22 @@ static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
writel_bits_relaxed(VPP_POSTBLEND_ENABLE, VPP_POSTBLEND_ENABLE,
priv->io_base + _REG(VPP_MISC));
+ drm_crtc_vblank_on(crtc);
+
+ meson_crtc->enabled = true;
+}
+
+static void meson_crtc_atomic_enable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
+ struct meson_drm *priv = meson_crtc->priv;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ if (!meson_crtc->enabled)
+ meson_crtc_enable(crtc);
+
priv->viu.osd1_enabled = true;
}
@@ -110,6 +126,8 @@ static void meson_crtc_atomic_disable(struct drm_crtc *crtc,
struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
struct meson_drm *priv = meson_crtc->priv;
+ drm_crtc_vblank_off(crtc);
+
priv->viu.osd1_enabled = false;
priv->viu.osd1_commit = false;
@@ -124,6 +142,8 @@ static void meson_crtc_atomic_disable(struct drm_crtc *crtc,
crtc->state->event = NULL;
}
+
+ meson_crtc->enabled = false;
}
static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
@@ -132,6 +152,9 @@ static void meson_crtc_atomic_begin(struct drm_crtc *crtc,
struct meson_crtc *meson_crtc = to_meson_crtc(crtc);
unsigned long flags;
+ if (crtc->state->enable && !meson_crtc->enabled)
+ meson_crtc_enable(crtc);
+
if (crtc->state->event) {
WARN_ON(drm_crtc_vblank_get(crtc) != 0);