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[2/3] drm/i915/tv: Only poll for TV connections

Message ID 1302587499-9962-3-git-send-email-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson April 12, 2011, 5:51 a.m. UTC
From: Mathew McKernan <matmckernan@rauland.com.au>

As a probe for a TV connection modifies the TV_CTL register, it causes a
loss of sync and a regular glitch on the output. This is highly
undesirable when using the TV, so only poll for TV connections and wait
for an explicit query for detecting the disconnection event.

Reported-by: Mathew McKernan <matmckernan@rauland.com.au>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=35977
Signed-off-by: Mathew McKernan <matmckernan@rauland.com.au>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 drivers/gpu/drm/i915/intel_tv.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
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diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 84a733b..abd5444 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1650,8 +1650,7 @@  intel_tv_init(struct drm_device *dev)
 	 * More recent chipsets favour HDMI rather than integrated S-Video.
-	connector->polled =
+	connector->polled = DRM_CONNECTOR_POLL_CONNECT;
 	drm_connector_init(dev, connector, &intel_tv_connector_funcs,