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path: root/drivers/gpu/drm/armada/armada_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/armada/armada_crtc.c')
-rw-r--r--drivers/gpu/drm/armada/armada_crtc.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index a25094bbeb2c..ebcb99316c94 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -117,80 +117,6 @@ static void armada_drm_crtc_update(struct armada_crtc *dcrtc, bool enable)
dcrtc->base + LCD_SPU_DUMB_CTRL);
}
-static void armada_drm_plane_work_call(struct armada_crtc *dcrtc,
- struct armada_plane_work *work,
- void (*fn)(struct armada_crtc *, struct armada_plane_work *))
-{
- struct armada_plane *dplane = drm_to_armada_plane(work->plane);
- struct drm_pending_vblank_event *event;
- struct drm_framebuffer *fb;
-
- if (fn)
- fn(dcrtc, work);
- drm_crtc_vblank_put(&dcrtc->crtc);
-
- event = work->event;
- fb = work->old_fb;
- if (event || fb) {
- struct drm_device *dev = dcrtc->crtc.dev;
- unsigned long flags;
-
- spin_lock_irqsave(&dev->event_lock, flags);
- if (event)
- drm_crtc_send_vblank_event(&dcrtc->crtc, event);
- if (fb)
- __armada_drm_queue_unref_work(dev, fb);
- spin_unlock_irqrestore(&dev->event_lock, flags);
- }
-
- if (work->need_kfree)
- kfree(work);
-
- wake_up(&dplane->frame_wait);
-}
-
-static void armada_drm_plane_work_run(struct armada_crtc *dcrtc,
- struct drm_plane *plane)
-{
- struct armada_plane *dplane = drm_to_armada_plane(plane);
- struct armada_plane_work *work = xchg(&dplane->work, NULL);
-
- /* Handle any pending frame work. */
- if (work)
- armada_drm_plane_work_call(dcrtc, work, work->fn);
-}
-
-int armada_drm_plane_work_queue(struct armada_crtc *dcrtc,
- struct armada_plane_work *work)
-{
- struct armada_plane *plane = drm_to_armada_plane(work->plane);
- int ret;
-
- ret = drm_crtc_vblank_get(&dcrtc->crtc);
- if (ret)
- return ret;
-
- ret = cmpxchg(&plane->work, NULL, work) ? -EBUSY : 0;
- if (ret)
- drm_crtc_vblank_put(&dcrtc->crtc);
-
- return ret;
-}
-
-int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout)
-{
- return wait_event_timeout(plane->frame_wait, !plane->work, timeout);
-}
-
-void armada_drm_plane_work_cancel(struct armada_crtc *dcrtc,
- struct armada_plane *dplane)
-{
- struct armada_plane_work *work = xchg(&dplane->work, NULL);
-
- if (work)
- armada_drm_plane_work_call(dcrtc, work, work->cancel);
-}
-
static void armada_drm_crtc_queue_state_event(struct drm_crtc *crtc)
{
struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
@@ -247,7 +173,6 @@ static void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat)
{
struct drm_pending_vblank_event *event;
void __iomem *base = dcrtc->base;
- struct drm_plane *ovl_plane;
if (stat & DMA_FF_UNDERFLOW)
DRM_ERROR("video underflow on crtc %u\n", dcrtc->num);
@@ -257,10 +182,6 @@ static void armada_drm_crtc_irq(struct armada_crtc *dcrtc, u32 stat)
if (stat & VSYNC_IRQ)
drm_crtc_handle_vblank(&dcrtc->crtc);
- ovl_plane = dcrtc->plane;
- if (ovl_plane)
- armada_drm_plane_work_run(dcrtc, ovl_plane);
-
spin_lock(&dcrtc->irq_lock);
if (stat & GRA_FRAME_IRQ && dcrtc->interlaced) {
int i = stat & GRA_FRAME_IRQ0 ? 0 : 1;
@@ -462,19 +383,9 @@ static void armada_drm_crtc_atomic_disable(struct drm_crtc *crtc,
{
struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
struct drm_pending_vblank_event *event;
- struct drm_plane *plane;
DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
- /*
- * For transition only - we must wait for completion of our
- * untransitioned paths before changing anything.
- */
- plane = dcrtc->plane;
- if (plane)
- WARN_ON(!armada_drm_plane_work_wait(drm_to_armada_plane(plane),
- HZ));
-
drm_crtc_vblank_off(crtc);
armada_drm_crtc_update(dcrtc, false);