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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-13 17:13:45 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-16 15:28:34 +0300
commit1f7528c4dbea46bd266798d3c374a961b1228055 (patch)
tree4f513ad4a75ab512c63175ecf6bd20848ccee04a /drivers/gpu/drm
parentc19941218c9a1cae578dfbf30190b13b9cdb9aa8 (diff)
downloadlinux-1f7528c4dbea46bd266798d3c374a961b1228055.tar.xz
drm/i915: Signal drm events for atomic
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
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c13
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c14
2 files changed, 24 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 095f83e22392..6f85e63b387d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13799,13 +13799,21 @@ static int intel_atomic_commit(struct drm_device *dev,
bool modeset = needs_modeset(crtc->state);
struct intel_crtc_state *pipe_config =
to_intel_crtc_state(crtc->state);
- bool update_pipe = !modeset && pipe_config->update_pipe;
if (modeset && crtc->state->active) {
update_scanline_offset(to_intel_crtc(crtc));
dev_priv->display.crtc_enable(crtc);
}
+ /* Complete events for now disable pipes here. */
+ if (modeset && !crtc->state->active && crtc->state->event) {
+ spin_lock_irq(&dev->event_lock);
+ drm_crtc_send_vblank_event(crtc, crtc->state->event);
+ spin_unlock_irq(&dev->event_lock);
+
+ crtc->state->event = NULL;
+ }
+
if (!modeset)
intel_pre_plane_update(to_intel_crtc_state(old_crtc_state));
@@ -13813,8 +13821,7 @@ static int intel_atomic_commit(struct drm_device *dev,
drm_atomic_get_existing_plane_state(state, crtc->primary))
intel_fbc_enable(intel_crtc);
- if (crtc->state->active &&
- (crtc->state->planes_changed || update_pipe))
+ if (crtc->state->active)
drm_atomic_helper_commit_planes_on_crtc(old_crtc_state);
if (pipe_config->base.active && needs_vblank_wait(pipe_config))
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 324ccb06397d..fc654173c491 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -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 &&