drm_hwcomposer: Process modesets via compositor
This patch queues modeset in the compositor for application on
the next frame. This allows us to perform the modeset atomically
with the first frame that comes in after the mode is changed.
Change-Id: I6bb9edd17bbdd6dbee5c0474f2e43599781cc7a7
Signed-off-by: Sean Paul <seanpaul@chromium.org>
diff --git a/drmdisplaycomposition.cpp b/drmdisplaycomposition.cpp
index 457fb5a..d47b5dc 100644
--- a/drmdisplaycomposition.cpp
+++ b/drmdisplaycomposition.cpp
@@ -231,6 +231,15 @@
return 0;
}
+int DrmDisplayComposition::SetDisplayMode(const DrmMode &display_mode) {
+ if (!validate_composition_type(DRM_COMPOSITION_TYPE_MODESET))
+ return -EINVAL;
+ display_mode_ = display_mode;
+ dpms_mode_ = DRM_MODE_DPMS_ON;
+ type_ = DRM_COMPOSITION_TYPE_MODESET;
+ return 0;
+}
+
int DrmDisplayComposition::AddPlaneDisable(DrmPlane *plane) {
layers_.emplace_back();
DrmCompositionLayer &c_layer = layers_.back();
@@ -271,6 +280,10 @@
return frame_no_;
}
+const DrmMode &DrmDisplayComposition::display_mode() const {
+ return display_mode_;
+}
+
Importer *DrmDisplayComposition::importer() const {
return importer_;
}