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

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>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3f885f6980f7c9d14e7c908cf54bc9dca447a441..3a9b8e4b8683b3d2f97848180192bb3d6193bd7f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -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;