diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2015-02-11 17:43:24 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-03-17 22:30:30 +0100 |
| commit | 8749be86a8f0c8a956d20f7d3c768ed6d1e356a1 (patch) | |
| tree | f4cf410c21689e8f647ac5cd7b19b848d693f69a | |
| parent | 7a8785f7eea5f1a35f10d2fbdee7df1febb850de (diff) | |
drm/i915/skl: Implement WaDisableHBR2
v2: Use the recently introduced INTEL_REVID() and SKL_REVID defines
(Nick Hoath)
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89554
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 33d58773cfe5..ca60060710d2 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -134,7 +134,10 @@ intel_dp_max_link_bw(struct intel_dp *intel_dp) case DP_LINK_BW_2_7: break; case DP_LINK_BW_5_4: /* 1.2 capable displays may advertise higher bw */ - if (((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || + if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) + /* WaDisableHBR2:skl */ + max_link_bw = DP_LINK_BW_2_7; + else if (((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || INTEL_INFO(dev)->gen >= 8) && intel_dp->dpcd[DP_DPCD_REV] >= 0x12) max_link_bw = DP_LINK_BW_5_4; |