Re: [RFC 0/7] drm/i915: pass encoder around more for port/phy checks

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On Tue, Mar 12, 2024 at 04:28:55PM +0200, Jani Nikula wrote:
> Based on my ideas at [1], pass the encoder around more instead of i915,
> port pair. Look up phy and TC port based on encoder.
> 
> This could be later extended to e.g. cache the info to encoder and/or
> look up data from encoder->devdata.
> 
> I know relying solely on encoder has its drawbacks, namely not being
> able to do stuff unless you have that encoder for that specific
> port/phy. And have a reference to it.
> 
> Thoughts?

Yes.

> 
> BR,
> Jani.
> 
> 
> [1] https://lore.kernel.org/r/87y1dnswgo.fsf@xxxxxxxxx
> 
> Jani Nikula (7):
>   drm/hdmi: convert *_port_to_ddc_pin() to *_encoder_to_ddc_pin()
>   drm/i915/ddi: pass encoder to intel_wait_ddi_buf_active()
>   drm/i915/snps: pass encoder to intel_snps_phy_update_psr_power_state()
>   drm/i915/display: add intel_encoder_is_*() and _to_*() functions
>   drm/i915/display: use intel_encoder_is/to_* functions
>   drm/i915/cx0: remove intel_is_c10phy()
>   drm/i915/cx0: pass encoder instead of i915 and port around

I have basically that same patch sitting in some branch.

With commit messages polished the series is
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

> 
>  drivers/gpu/drm/i915/display/intel_cx0_phy.c  | 299 +++++++++---------
>  drivers/gpu/drm/i915/display/intel_cx0_phy.h  |   3 +-
>  drivers/gpu/drm/i915/display/intel_ddi.c      | 127 ++++----
>  .../drm/i915/display/intel_ddi_buf_trans.c    |  14 +-
>  drivers/gpu/drm/i915/display/intel_display.c  |  40 +++
>  drivers/gpu/drm/i915/display/intel_display.h  |   7 +
>  .../i915/display/intel_display_power_well.c   |   2 +-
>  drivers/gpu/drm/i915/display/intel_dp.c       |  15 +-
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c |  22 +-
>  drivers/gpu/drm/i915/display/intel_hdmi.c     |  80 ++---
>  drivers/gpu/drm/i915/display/intel_pmdemand.c |  14 +-
>  drivers/gpu/drm/i915/display/intel_psr.c      |   7 +-
>  drivers/gpu/drm/i915/display/intel_snps_phy.c |  16 +-
>  drivers/gpu/drm/i915/display/intel_snps_phy.h |   4 +-
>  drivers/gpu/drm/i915/display/intel_tc.c       |  33 +-
>  15 files changed, 339 insertions(+), 344 deletions(-)
> 
> -- 
> 2.39.2

-- 
Ville Syrjälä
Intel



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