[RESEND RFC PATCH 1/7] drm: bridge: Enable polling hpd event in dw_hdmi
From: Jernej Skrabec <hidden>
Date: 2017-09-20 20:01:41
Also in:
dri-devel, linux-arm-kernel, linux-clk, linux-media, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Linus Torvalds
Some custom phys don't support hpd interrupts. Add support for polling such events. Signed-off-by: Jernej Skrabec <redacted> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index bf14214fa464..09cb5a3e4c71 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c@@ -1954,7 +1954,11 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge) struct drm_connector *connector = &hdmi->connector; connector->interlace_allowed = 1; - connector->polled = DRM_CONNECTOR_POLL_HPD; + if (hdmi->phy.ops->setup_hpd) + connector->polled = DRM_CONNECTOR_POLL_HPD; + else + connector->polled = DRM_CONNECTOR_POLL_CONNECT | + DRM_CONNECTOR_POLL_DISCONNECT; drm_connector_helper_add(connector, &dw_hdmi_connector_helper_funcs);
--
2.14.1