[Intel-gfx] [PATCH 2/4] drm/i915: remove HBR2 from chv supported list
Sivakumar Thulasimani
sivakumar.thulasimani at intel.com
Mon Aug 17 22:37:57 PDT 2015
From: "Thulasimani,Sivakumar" <sivakumar.thulasimani at intel.com>
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)
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani at intel.com>
---
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 bfe0567..475d8cb 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1220,11 +1220,12 @@ 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;
--
1.7.9.5
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