drm/i915: remove HBR2 from chv supported list

This patch removes 5.4Gbps from supported link rate for CHV since
it is not supported in it.

v2: change the ordering for better readability (Ville)

Cc: stable@vger.kernel.org # v4.1+
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 6c8bf34ab16a35fcdfef8db5526658f3a575de5e..7ad0e0b5019d29d0df49cbd3a1006e8e187d9edf 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1176,11 +1176,12 @@ intel_dp_source_rates(struct drm_device *dev, const int **source_rates)
 
        *source_rates = default_rates;
 
+       /* WaDisableHBR2:skl */
        if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0)
-               /* WaDisableHBR2:skl */
                return (DP_LINK_BW_2_7 >> 3) + 1;
-       else if (INTEL_INFO(dev)->gen >= 8 ||
-           (IS_HASWELL(dev) && !IS_HSW_ULX(dev)))
+
+       if ((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || IS_BROADWELL(dev) ||
+           (INTEL_INFO(dev)->gen >= 9))
                return (DP_LINK_BW_5_4 >> 3) + 1;
        else
                return (DP_LINK_BW_2_7 >> 3) + 1;