This is a note to let you know that I've just added the patch titled
drm/i915: remove HBR2 from chv supported list
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-remove-hbr2-from-chv-supported-list.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5e86dfe39f54ab13fd8079ac3d6cb100318909a3 Mon Sep 17 00:00:00 2001
From: "Thulasimani,Sivakumar" <sivakumar.thulasimani@xxxxxxxxx>
Date: Tue, 18 Aug 2015 11:07:57 +0530
Subject: drm/i915: remove HBR2 from chv supported list
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From: "Thulasimani,Sivakumar" <sivakumar.thulasimani@xxxxxxxxx>
commit 5e86dfe39f54ab13fd8079ac3d6cb100318909a3 upstream.
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@xxxxxxxxxxxxxxx>
Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1163,11 +1163,12 @@ intel_dp_source_rates(struct drm_device
*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;
Patches currently in stable-queue which might be from sivakumar.thulasimani@xxxxxxxxx are
queue-4.1/drm-i915-avoid-tp3-on-chv.patch
queue-4.1/drm-i915-remove-hbr2-from-chv-supported-list.patch
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