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drm/i915/hdmi: fix vlv infoframe port check 

Due to missing shifting, the vlv infoframe port check only works for
port A. Fix it. Broken since introduction in

commit 535afa2e9e
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
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
Tested-by: xubin <bin.a.xu@intel.com>
Tested-by: Ye Tian <yex.tian@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2015-04-29 14:29:39 +03:00
parent 699ab78715
commit eeea3e67a4
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/intel_hdmi.c
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@ -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;