From: Boris Brezillon Date: Thu, 6 Dec 2018 14:24:39 +0000 (+0100) Subject: drm/vc4: Attach margin props to the HDMI connector X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=db999538fdb0679629d90652f8a1437df1e85a7d;p=openwrt%2Fstaging%2Fblogic.git drm/vc4: Attach margin props to the HDMI connector Now that the plane code takes the margins setup into account, we can safely attach margin props to the HDMI connector. We also take care of filling AVI infoframes correctly to expose the top/botton/left/right bar. Note that those margin props match pretty well the overscan_{left,right,top,bottom} properties defined in config.txt and parsed by the VC4 firmware. Signed-off-by: Boris Brezillon Reviewed-by: Eric Anholt Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20181206142439.10441-6-boris.brezillon@bootlin.com --- diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index fd5522fd179e..2f276222e30f 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -310,6 +310,7 @@ static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, { struct drm_connector *connector; struct vc4_hdmi_connector *hdmi_connector; + int ret; hdmi_connector = devm_kzalloc(dev->dev, sizeof(*hdmi_connector), GFP_KERNEL); @@ -323,6 +324,13 @@ static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, DRM_MODE_CONNECTOR_HDMIA); drm_connector_helper_add(connector, &vc4_hdmi_connector_helper_funcs); + /* Create and attach TV margin props to this connector. */ + ret = drm_mode_create_tv_margin_properties(dev); + if (ret) + return ERR_PTR(ret); + + drm_connector_attach_tv_margin_properties(connector); + connector->polled = (DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT); @@ -408,6 +416,9 @@ static void vc4_hdmi_write_infoframe(struct drm_encoder *encoder, static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder) { struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder); + struct vc4_dev *vc4 = encoder->dev->dev_private; + struct vc4_hdmi *hdmi = vc4->hdmi; + struct drm_connector_state *cstate = hdmi->connector->state; struct drm_crtc *crtc = encoder->crtc; const struct drm_display_mode *mode = &crtc->state->adjusted_mode; union hdmi_infoframe frame; @@ -426,6 +437,11 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder) vc4_encoder->rgb_range_selectable, false); + frame.avi.right_bar = cstate->tv.margins.right; + frame.avi.left_bar = cstate->tv.margins.left; + frame.avi.top_bar = cstate->tv.margins.top; + frame.avi.bottom_bar = cstate->tv.margins.bottom; + vc4_hdmi_write_infoframe(encoder, &frame); }