From b81e34c29e67f5b3e5ce28b5055ae2ca59c36f7b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Mon, 6 Jul 2015 15:10:03 +0300 Subject: [PATCH] drm/i915: Avoid confusion between DP and TRANS_DP_CTL in DP .get_config() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Sivakumar Thulasimani Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_dp.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3f885f6980f7..3a9b8e4b8683 100644 --- 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; -- 2.30.2