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drm/sti: use different notifier_block for each pipe

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Each pipe shall have its own notifier block to manage the vblank event.
This fixes issues where a client registered on given pipe is later
abusively notified of events on the other pipe.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
This commit is contained in:
Fabien Dessenne
2016-09-06 09:42:13 +02:00
zatwierdzone przez Vincent Abriou
rodzic 5552aad35d
commit ae2178503d
3 zmienionych plików z 9 dodań i 7 usunięć
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8
drivers/gpu/drm/sti/sti_crtc.c
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@@ -244,8 +244,7 @@ static int sti_crtc_set_property(struct drm_crtc *crtc,
int sti_crtc_vblank_cb(struct notifier_block *nb,
unsigned long event, void *data)
{
struct sti_compositor *compo =
container_of(nb, struct sti_compositor, vtg_vblank_nb);
struct sti_compositor *compo;
struct drm_crtc *crtc = data;
struct sti_mixer *mixer;
unsigned long flags;
@@ -254,6 +253,7 @@ int sti_crtc_vblank_cb(struct notifier_block *nb,
priv = crtc->dev->dev_private;
pipe = drm_crtc_index(crtc);
compo = container_of(nb, struct sti_compositor, vtg_vblank_nb[pipe]);
mixer = compo->mixer[pipe];
if ((event != VTG_TOP_FIELD_EVENT) &&
@@ -295,7 +295,7 @@ int sti_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
struct sti_private *dev_priv = dev->dev_private;
struct sti_compositor *compo = dev_priv->compo;
struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb;
struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
struct drm_crtc *crtc = &compo->mixer[pipe]->drm_crtc;
DRM_DEBUG_DRIVER("\n");
@@ -314,7 +314,7 @@ 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;
struct notifier_block *vtg_vblank_nb = &compo->vtg_vblank_nb[pipe];
struct drm_crtc *crtc = &compo->mixer[pipe]->drm_crtc;
DRM_DEBUG_DRIVER("\n");