[Intel-gfx] [PATCH 0/9] Enable upfront link training on DDI platforms

[Manasi Navare]

This patch series had some git format-patch issues due to which
it did not apply cleanly in CI system. So please disregard this patch set.
I will be sending a new patch series for enabling upfront link
training.

Regards
Manasi

On Mon, Aug 08, 2016 at 07:33:09PM -0700, Manasi Navare wrote:
> This patch series enables upfront link training on DDI platforms
> (SKL/BDW/HSW/BXT). They are based on some of the pacthes submitted
> earlier by Ander and Durgadoss.
> 
> The upfront link training had to be factored out of long pulse
> hanlder because of deadlock issues seen on DP MST cases.
> Now the upfront link training takes place in intel_dp_mode_valid()
> to find the maximum lane count and link rate at which the DP link
> can be successfully trained. These values are used to prune the
> invalid modes before modeset. Modeset makes use the upfront lane
> count and link train values.
> 
> These patches have been validated for DP SST on DDI platforms
> (SKL/HSW/BDW/BXT). They have also been tested for any regressions
> on non DDI platforms (CHV).
> 
> Ander Conselvan de Oliveira (3):
>   drm/i915: Don't pass crtc_state to intel_dp_set_link_params()
>   drm/i915: Remove ddi_pll_sel from intel_crtc_state
>   drm/i915: Split intel_ddi_pre_enable() into DP and HDMI versions
> 
> Durgadoss R (2):
>   drm/i915: Split bxt_ddi_pll_select()
>   drm/i915/dp: Enable Upfront link training for typeC DP support on BXT
> 
> Jim Bride (2):
>   drm/i915: Split skl_get_dpll()
>   drm/i915/dp: Enable upfront link training on SKL
> 
> Manasi Navare (2):
>   drm/i915: Split hsw_get_dpll()
>   drm/i915: Enable upfront link training support for HSW/BDW
> 
>  drivers/gpu/drm/i915/intel_ddi.c              | 207 +++++++++---
>  drivers/gpu/drm/i915/intel_display.c          |  43 +--
>  drivers/gpu/drm/i915/intel_dp.c               | 386 ++++++++++++++++------
>  drivers/gpu/drm/i915/intel_dp_link_training.c |   7 +-
>  drivers/gpu/drm/i915/intel_dp_mst.c           |   9 +-
>  drivers/gpu/drm/i915/intel_dpll_mgr.c         | 457 ++++++++++++++++----------
>  drivers/gpu/drm/i915/intel_dpll_mgr.h         |  15 +
>  drivers/gpu/drm/i915/intel_drv.h              |  29 +-
>  8 files changed, 776 insertions(+), 377 deletions(-)
> 
> -- 
> 1.9.1
>