From: Paulo Zanoni <paulo.r.zanoni at intel.com> Much simpler and looks more like the M/N code inside intel_display.c. Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com> --- drivers/gpu/drm/i915/intel_dp.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b10f35b..52b5453 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -794,9 +794,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, mode->clock, adjusted_mode->clock, &m_n); if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(TRANSDATA_M1(pipe), - ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) | - m_n.gmch_m); + I915_WRITE(TRANSDATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m); I915_WRITE(TRANSDATA_N1(pipe), m_n.gmch_n); I915_WRITE(TRANSDPLINK_M1(pipe), m_n.link_m); I915_WRITE(TRANSDPLINK_N1(pipe), m_n.link_n); @@ -807,8 +805,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n); } else { I915_WRITE(PIPE_GMCH_DATA_M(pipe), - ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) | - m_n.gmch_m); + TU_SIZE(m_n.tu) | m_n.gmch_m); I915_WRITE(PIPE_GMCH_DATA_N(pipe), m_n.gmch_n); I915_WRITE(PIPE_DP_LINK_M(pipe), m_n.link_m); I915_WRITE(PIPE_DP_LINK_N(pipe), m_n.link_n); -- 1.7.10.4