Add refresh() to connector, crtc and encoder

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

6 files changed, 37 insertions, 1 deletions

diff --git a/kms++/inc/kms++/connector.h b/kms++/inc/kms++/connector.h
index ccd7728..3407730 100644
--- a/kms++/inc/kms++/connector.h
+++ b/kms++/inc/kms++/connector.h
@@ -14,6 +14,8 @@ class Connector : public DrmPropObject
 {
 	friend class Card;
 public:
+	void refresh();
+
 	Videomode get_default_mode() const;
 
 	Videomode get_mode(const std::string& mode) const;
diff --git a/kms++/inc/kms++/crtc.h b/kms++/inc/kms++/crtc.h
index 14860ba..c86fc88 100644
--- a/kms++/inc/kms++/crtc.h
+++ b/kms++/inc/kms++/crtc.h
@@ -14,6 +14,8 @@ class Crtc : public DrmPropObject
 	friend class Card;
 	friend class Connector;
 public:
+	void refresh();
+
 	const std::vector<Plane*>& get_possible_planes() const { return m_possible_planes; }
 
 	int set_mode(Connector* conn, Framebuffer& fb, const Videomode& mode);
diff --git a/kms++/inc/kms++/encoder.h b/kms++/inc/kms++/encoder.h
index b5aac70..1d36adc 100644
--- a/kms++/inc/kms++/encoder.h
+++ b/kms++/inc/kms++/encoder.h
@@ -12,6 +12,8 @@ class Encoder : public DrmPropObject
 {
 	friend class Card;
 public:
+	void refresh();
+
 	Crtc* get_crtc() const;
 	std::vector<Crtc*> get_possible_crtcs() const;
 
diff --git a/kms++/src/connector.cpp b/kms++/src/connector.cpp
index 7c6c179..48c5815 100644
--- a/kms++/src/connector.cpp
+++ b/kms++/src/connector.cpp
@@ -73,13 +73,27 @@ Connector::Connector(Card &card, uint32_t id, uint32_t idx)
 	m_fullname = name + "-" + to_string(m_priv->drm_connector->connector_type_id);
 }
 
-
 Connector::~Connector()
 {
 	drmModeFreeConnector(m_priv->drm_connector);
 	delete m_priv;
 }
 
+void Connector::refresh()
+{
+	drmModeFreeConnector(m_priv->drm_connector);
+
+	m_priv->drm_connector = drmModeGetConnector(this->card().fd(), this->id());
+	assert(m_priv->drm_connector);
+
+	// XXX drmModeGetConnector() does forced probe, which seems to change (at least) EDID blob id.
+	// XXX So refresh the props again here.
+	refresh_props();
+
+	const auto& name = connector_names.at(m_priv->drm_connector->connector_type);
+	m_fullname = name + "-" + to_string(m_priv->drm_connector->connector_type_id);
+}
+
 void Connector::setup()
 {
 	if (m_priv->drm_connector->encoder_id != 0)
diff --git a/kms++/src/crtc.cpp b/kms++/src/crtc.cpp
index 4c2f5ce..2d41bfa 100644
--- a/kms++/src/crtc.cpp
+++ b/kms++/src/crtc.cpp
@@ -31,6 +31,14 @@ Crtc::~Crtc()
 	delete m_priv;
 }
 
+void Crtc::refresh()
+{
+	drmModeFreeCrtc(m_priv->drm_crtc);
+
+	m_priv->drm_crtc = drmModeGetCrtc(this->card().fd(), this->id());
+	assert(m_priv->drm_crtc);
+}
+
 void Crtc::setup()
 {
 	for (Plane* plane : card().get_planes()) {
diff --git a/kms++/src/encoder.cpp b/kms++/src/encoder.cpp
index 2168f2f..9cd5304 100644
--- a/kms++/src/encoder.cpp
+++ b/kms++/src/encoder.cpp
@@ -45,6 +45,14 @@ Encoder::~Encoder()
 	delete m_priv;
 }
 
+void Encoder::refresh()
+{
+	drmModeFreeEncoder(m_priv->drm_encoder);
+
+	m_priv->drm_encoder = drmModeGetEncoder(this->card().fd(), this->id());
+	assert(m_priv->drm_encoder);
+}
+
 Crtc* Encoder::get_crtc() const
 {
 	if (m_priv->drm_encoder->crtc_id)