Due to missing shifting, the vlv infoframe port check only works for
port A. Fix it. Broken since introduction in
commit 535afa2e9e3c1867460d6981d879b04d8b2b9ab3
Author: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Date: Wed Apr 15 16:52:29 2015 -0700
drm/i915/vlv: check port in infoframe_enabled v2
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90059
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_hdmi.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index e63f0b9260e9..7774ca2b9bdf 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -327,9 +327,8 @@ static bool vlv_infoframe_enabled(struct drm_encoder *encoder)
struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
int reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe);
u32 val = I915_READ(reg);
- u32 port = intel_dig_port->port;
- if (port == (val & VIDEO_DIP_PORT_MASK))
+ if (VIDEO_DIP_PORT(intel_dig_port->port) == (val & VIDEO_DIP_PORT_MASK))
return val & VIDEO_DIP_ENABLE;
return false;
--
2.1.4
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