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drm/sti: Fix up crtc_state->event handling

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Use drm-core to handle event.
This is required to be able to use the nonblocking helpers.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
This commit is contained in:
Fabien DESSENNE 2017-01-12 17:27:36 +01:00 committed by Vincent Abriou
parent 5e60f595d6
commit c62052d146
2 changed files with 14 additions and 34 deletions
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46
drivers/gpu/drm/sti/sti_crtc.c
View File

@ -134,21 +134,6 @@ sti_crtc_mode_set_nofb(struct drm_crtc *crtc)
sti_crtc_mode_set(crtc, &crtc->state->adjusted_mode);
}
static void sti_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
struct sti_mixer *mixer = to_sti_mixer(crtc);
if (crtc->state->event) {
crtc->state->event->pipe = drm_crtc_index(crtc);
WARN_ON(drm_crtc_vblank_get(crtc) != 0);
mixer->pending_event = crtc->state->event;
crtc->state->event = NULL;
}
}
static void sti_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
@ -156,6 +141,8 @@ static void sti_crtc_atomic_flush(struct drm_crtc *crtc,
struct sti_mixer *mixer = to_sti_mixer(crtc);
struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
struct drm_plane *p;
struct drm_pending_vblank_event *event;
unsigned long flags;
DRM_DEBUG_DRIVER("\n");
@ -220,13 +207,24 @@ static void sti_crtc_atomic_flush(struct drm_crtc *crtc,
break;
}
}
event = crtc->state->event;
if (event) {
crtc->state->event = NULL;
spin_lock_irqsave(&crtc->dev->event_lock, flags);
if (drm_crtc_vblank_get(crtc) == 0)
drm_crtc_arm_vblank_event(crtc, event);
else
drm_crtc_send_vblank_event(crtc, event);
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
}
}
static const struct drm_crtc_helper_funcs sti_crtc_helper_funcs = {
.enable = sti_crtc_enable,
.disable = sti_crtc_disabling,
.mode_set_nofb = sti_crtc_mode_set_nofb,
.atomic_begin = sti_crtc_atomic_begin,
.atomic_flush = sti_crtc_atomic_flush,
};
@ -250,7 +248,6 @@ int sti_crtc_vblank_cb(struct notifier_block *nb,
struct sti_compositor *compo;
struct drm_crtc *crtc = data;
struct sti_mixer *mixer;
unsigned long flags;
struct sti_private *priv;
unsigned int pipe;
@ -267,14 +264,6 @@ int sti_crtc_vblank_cb(struct notifier_block *nb,
drm_crtc_handle_vblank(crtc);
spin_lock_irqsave(&crtc->dev->event_lock, flags);
if (mixer->pending_event) {
drm_crtc_send_vblank_event(crtc, mixer->pending_event);
drm_crtc_vblank_put(crtc);
mixer->pending_event = NULL;
}
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
if (mixer->status == STI_MIXER_DISABLING) {
struct drm_plane *p;
@ -317,19 +306,12 @@ void sti_crtc_disable_vblank(struct drm_device *drm_dev, unsigned int pipe)
struct sti_private *priv = drm_dev->dev_private;
struct sti_compositor *compo = priv->compo;
struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
struct drm_crtc *crtc = &compo->mixer[pipe]->drm_crtc;
struct sti_vtg *vtg = compo->vtg[pipe];
DRM_DEBUG_DRIVER("\n");
if (sti_vtg_unregister_client(vtg, vtg_vblank_nb))
DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
/* free the resources of the pending requests */
if (compo->mixer[pipe]->pending_event) {
drm_crtc_vblank_put(crtc);
compo->mixer[pipe]->pending_event = NULL;
}
}
static int sti_crtc_late_register(struct drm_crtc *crtc)

2
drivers/gpu/drm/sti/sti_mixer.h
View File

@ -28,7 +28,6 @@ enum sti_mixer_status {
* @regs: mixer registers
* @id: id of the mixer
* @drm_crtc: crtc object link to the mixer
* @pending_event: set if a flip event is pending on crtc
* @status: to know the status of the mixer
*/
struct sti_mixer {
@ -36,7 +35,6 @@ struct sti_mixer {
void __iomem *regs;
int id;
struct drm_crtc drm_crtc;
struct drm_pending_vblank_event *pending_event;
enum sti_mixer_status status;
};