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Commit 5e86dfe3 authored Aug 18, 2015 by Thulasimani,Sivakumar Committed by Jani Nikula Aug 19, 2015

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>

parent 33747cc5

drivers/gpu/drm/i915/intel_dp.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -1176,11 +1176,12 @@ intel_dp_source_rates(struct drm_device dev, const int *source_rates)

		*source_rates = default_rates;

		if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0)
		/* WaDisableHBR2:skl */
		if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0)
		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;