diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 4 | ||||
| -rw-r--r-- | linux-core/drm_irq.c | 30 |
2 files changed, 4 insertions, 30 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 37dd60f9..6e4d6dda 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -848,9 +848,6 @@ struct drm_device { atomic_t *vblank_refcount; /* number of users of vblank interrupts per crtc */ u32 *last_vblank; /* protected by dev->vbl_lock, used */ /* for wraparound handling */ - int *vblank_enabled; /* so we don't call enable more than - once per disable */ - u32 *vblank_premodeset; /* for compensation of spurious wraparounds */ int *vblank_inmodeset; /* Display driver is setting mode */ struct timer_list vblank_disable_timer; @@ -1153,7 +1150,6 @@ extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file * extern int drm_vblank_wait(struct drm_device * dev, unsigned int *vbl_seq); extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*)); extern u32 drm_vblank_count(struct drm_device *dev, int crtc); -extern void drm_update_vblank_count(struct drm_device *dev, int crtc); extern void drm_handle_vblank(struct drm_device *dev, int crtc); extern int drm_vblank_get(struct drm_device *dev, int crtc); extern void drm_vblank_put(struct drm_device *dev, int crtc); diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index ec1e5be6..26aecdf9 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -82,13 +82,11 @@ static void vblank_disable_fn(unsigned long arg) for (i = 0; i < dev->num_crtcs; i++) { spin_lock_irqsave(&dev->vbl_lock, irqflags); - if (atomic_read(&dev->vblank_refcount[i]) == 0 && - dev->vblank_enabled[i]) { + if (atomic_read(&dev->vblank_refcount[i]) == 0) { DRM_DEBUG("disabling vblank on crtc %d\n", i); dev->last_vblank[i] = dev->driver->get_vblank_counter(dev, i); dev->driver->disable_vblank(dev, i); - dev->vblank_enabled[i] = 0; } spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } @@ -112,12 +110,8 @@ static void drm_vblank_cleanup(struct drm_device *dev) dev->num_crtcs, DRM_MEM_DRIVER); drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) * dev->num_crtcs, DRM_MEM_DRIVER); - drm_free(dev->vblank_enabled, sizeof(*dev->vblank_enabled) * - dev->num_crtcs, DRM_MEM_DRIVER); drm_free(dev->last_vblank, sizeof(*dev->last_vblank) * dev->num_crtcs, DRM_MEM_DRIVER); - drm_free(dev->vblank_premodeset, sizeof(*dev->vblank_premodeset) * - dev->num_crtcs, DRM_MEM_DRIVER); drm_free(dev->vblank_inmodeset, sizeof(*dev->vblank_inmodeset) * dev->num_crtcs, DRM_MEM_DRIVER); @@ -154,20 +148,10 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) if (!dev->vblank_refcount) goto err; - dev->vblank_enabled = drm_calloc(num_crtcs, sizeof(int), - DRM_MEM_DRIVER); - if (!dev->vblank_enabled) - goto err; - dev->last_vblank = drm_calloc(num_crtcs, sizeof(u32), DRM_MEM_DRIVER); if (!dev->last_vblank) goto err; - dev->vblank_premodeset = drm_calloc(num_crtcs, sizeof(u32), - DRM_MEM_DRIVER); - if (!dev->vblank_premodeset) - goto err; - dev->vblank_inmodeset = drm_calloc(num_crtcs, sizeof(int), DRM_MEM_DRIVER); if (!dev->vblank_inmodeset) @@ -359,7 +343,7 @@ EXPORT_SYMBOL(drm_vblank_count); * Note: caller must hold dev->vbl_lock since this reads & writes * device vblank fields. */ -void drm_update_vblank_count(struct drm_device *dev, int crtc) +static void drm_update_vblank_count(struct drm_device *dev, int crtc) { u32 cur_vblank, diff; @@ -385,7 +369,6 @@ void drm_update_vblank_count(struct drm_device *dev, int crtc) } else { diff = cur_vblank - dev->last_vblank[crtc]; } - dev->last_vblank[crtc] = cur_vblank; DRM_DEBUG("enabling vblank interrupts on crtc %d, missed %d\n", crtc, diff); @@ -411,15 +394,12 @@ int drm_vblank_get(struct drm_device *dev, int crtc) spin_lock_irqsave(&dev->vbl_lock, irqflags); /* Going from 0->1 means we have to enable interrupts again */ - if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1 && - !dev->vblank_enabled[crtc]) { + if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1) { ret = dev->driver->enable_vblank(dev, crtc); if (ret) atomic_dec(&dev->vblank_refcount[crtc]); - else { - dev->vblank_enabled[crtc] = 1; + else drm_update_vblank_count(dev, crtc); - } } spin_unlock_irqrestore(&dev->vbl_lock, irqflags); @@ -481,9 +461,7 @@ int drm_modeset_ctl(struct drm_device *dev, void *data, switch (modeset->cmd) { case _DRM_PRE_MODESET: if (!dev->vblank_inmodeset[crtc]) { - spin_lock_irqsave(&dev->vbl_lock, irqflags); dev->vblank_inmodeset[crtc] = 1; - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); drm_vblank_get(dev, crtc); } break; |