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.
Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/i915/intel_display.c | 13 ++++++++++--- drivers/gpu/drm/i915/intel_sprite.c | 14 ++++++++++++++ 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 d32274071393..66a254fa2a96 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13731,13 +13731,21 @@ 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));
@@ -13745,8 +13753,7 @@ 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 97b1a54eb09f..8864cc983ea2 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 &&