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drm/i915: Avoid confusion between DP and TRANS_DP_CTL in DP .get_config()

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Use a separate variable for the TRANS_DP_CTL value instead of reusing
'tmp' that otherwise contains the DP port register value.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-07-06 15:10:03 +03:00 committed by Daniel Vetter
parent 96f3f1f905
commit b81e34c29e
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/i915/intel_dp.c
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@ -2282,13 +2282,14 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
pipe_config->has_audio = tmp & DP_AUDIO_OUTPUT_ENABLE && port != PORT_A;
if (HAS_PCH_CPT(dev) && port != PORT_A) {
tmp = I915_READ(TRANS_DP_CTL(crtc->pipe));
if (tmp & TRANS_DP_HSYNC_ACTIVE_HIGH)
u32 trans_dp = I915_READ(TRANS_DP_CTL(crtc->pipe));
if (trans_dp & TRANS_DP_HSYNC_ACTIVE_HIGH)
flags |= DRM_MODE_FLAG_PHSYNC;
else
flags |= DRM_MODE_FLAG_NHSYNC;
if (tmp & TRANS_DP_VSYNC_ACTIVE_HIGH)
if (trans_dp & TRANS_DP_VSYNC_ACTIVE_HIGH)
flags |= DRM_MODE_FLAG_PVSYNC;
else
flags |= DRM_MODE_FLAG_NVSYNC;