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Subject[RFC PATCH 1/7] drm: bridge: Enable polling hpd event in dw_hdmi
Date
Some custom phys don't support hpd interrupts. Add support for polling
such events.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
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
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