From 89a35ecdc6aa5a88165313ca5cfd52b8e8e7fbbd Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 20 Nov 2014 13:24:13 -0800 Subject: [PATCH] drm/i915/g4x: fix g4x infoframe readout Need to check the port too. Reported-by: Daniel Vetter Signed-off-by: Jesse Barnes Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_hdmi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index f58e8834ebfb..ec873338e84d 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -170,9 +170,13 @@ static bool g4x_infoframe_enabled(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); u32 val = I915_READ(VIDEO_DIP_CTL); - return val & VIDEO_DIP_ENABLE; + if (VIDEO_DIP_PORT(intel_dig_port->port) == (val & VIDEO_DIP_PORT_MASK)) + return val & VIDEO_DIP_ENABLE; + + return false; } static void ibx_write_infoframe(struct drm_encoder *encoder, -- 2.20.1