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drm/i915: Signal drm events for atomic

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This is part of what atomic must implement. And it's also required
to be able to use the helper nonblocking support.

v2: Always send out the drm event, remove the planes_changed check.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465827229-1704-1-git-send-email-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter
2016-06-13 16:13:45 +02:00
parent c19941218c
commit 1f7528c4db
2 changed files with 24 additions and 3 deletions
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14
drivers/gpu/drm/i915/intel_sprite.c
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@@ -166,6 +166,20 @@ void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work
trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
/* We're still in the vblank-evade critical section, this can't race.
* Would be slightly nice to just grab the vblank count and arm the
* event outside of the critical section - the spinlock might spin for a
* while ... */
if (crtc->base.state->event) {
WARN_ON(drm_crtc_vblank_get(&crtc->base) != 0);
spin_lock(&crtc->base.dev->event_lock);
drm_crtc_arm_vblank_event(&crtc->base, crtc->base.state->event);
spin_unlock(&crtc->base.dev->event_lock);
crtc->base.state->event = NULL;
}
local_irq_enable();
if (crtc->debug.start_vbl_count &&