[Intel-gfx] [PATCH 0/7] Minor revid/stepping and workaround cleanup

[Jani Nikula]

On Wed, 07 Jul 2021, Matt Roper <matthew.d.roper at intel.com> wrote:
> PCI revision IDs don't always map to GT and display IP steppings in an
> intuitive/sensible way.  On many of our recent platforms we've switched
> to using revid->stepping lookup tables with the infrastructure in
> intel_step.c to handle stepping lookups and comparisons.  Since it's
> confusing to have some of our platforms using the new lookup tables and
> some still using old revid comparisons, let's migrate all the old
> platforms over to the table approach since that's what we want to
> standardize on going forward.  The only place that revision ID's should
> really get used directly now is when checking to see if we're running on
> pre-production hardware.

Anusha, Matt, please sort this out between the two of you. :)

https://patchwork.freedesktop.org/series/92257/


BR,
Jani.


>
> Let's also take the opportunity to drop a bit of effectively dead code
> in the workarounds file too.
>
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
>
> Matt Roper (7):
>   drm/i915: Make pre-production detection use direct revid comparison
>   drm/i915/skl: Use revid->stepping tables
>   drm/i915/icl: Use revid->stepping tables
>   drm/i915/jsl_ehl: Use revid->stepping tables
>   drm/i915/rkl: Use revid->stepping tables
>   drm/i915/dg1: Use revid->stepping tables
>   drm/i915/cnl: Drop all workarounds
>
>  .../drm/i915/display/intel_display_power.c    |  2 +-
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c |  2 +-
>  drivers/gpu/drm/i915/display/intel_psr.c      |  4 +-
>  drivers/gpu/drm/i915/gt/intel_region_lmem.c   |  2 +-
>  drivers/gpu/drm/i915/gt/intel_workarounds.c   | 81 +++----------------
>  drivers/gpu/drm/i915/i915_drv.c               |  8 +-
>  drivers/gpu/drm/i915/i915_drv.h               | 80 +++---------------
>  drivers/gpu/drm/i915/intel_pm.c               |  2 +-
>  drivers/gpu/drm/i915/intel_step.c             | 72 +++++++++++++++--
>  drivers/gpu/drm/i915/intel_step.h             |  7 ++
>  10 files changed, 107 insertions(+), 153 deletions(-)

-- 
Jani Nikula, Intel Open Source Graphics Center