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drm/i915/icl: program MG_DP_MODE

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Programming this register is part of the Enable Sequence for
DisplayPort on ICL. Do as the spec says.

v2: Simple rebase.

Cc: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> (v1)
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180725002813.6938-5-paulo.r.zanoni@intel.com
This commit is contained in:
Paulo Zanoni
2018-07-24 17:28:12 -07:00
parent db7295c2c4
commit 340a44bef2
4 changed files with 84 additions and 0 deletions
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1
drivers/gpu/drm/i915/intel_drv.h
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@@ -1714,6 +1714,7 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits);
void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
unsigned int frontbuffer_bits);
void icl_program_mg_dp_mode(struct intel_dp *intel_dp);
void
intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,