drm/amd/display: Drop unused link FPGA code

There are multiple parts of the code that DC does not use anymore, and
this commit drops those dead codes.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.

drm/amd/display: Drop unused link FPGA code

There are multiple parts of the code that DC does not use anymore, and
this commit drops those dead codes.

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: Support Compliance Test Pattern Generation with DP2 Retimer

[WHY]
Certain retimer requires workarounds in order to correctly output test patterns.

[HOW]
Add vendor-specific aux seq

drm/amd/display: Support Compliance Test Pattern Generation with DP2 Retimer

[WHY]
Certain retimer requires workarounds in order to correctly output test patterns.

[HOW]
Add vendor-specific aux sequences to program retimer's TX and pattern generator
when specific compliance test patterns are requested by sink.
Note: SQ128 w/a in DPMF mode only works in one flip orientation currently

Reviewed-by: Hansen Dsouza <[email protected]>
Reviewed-by: Wenjing Liu <[email protected]>
Acked-by: Stylon Wang <[email protected]>
Signed-off-by: Michael Strauss <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: link link_dp_dpia_bw.o in makefile

[Why & How]
- We have added link_dp_dpia_bw code but it is not currently
added in makefile. We are adding this to makefile so it would
be built.
-

drm/amd/display: link link_dp_dpia_bw.o in makefile

[Why & How]
- We have added link_dp_dpia_bw code but it is not currently
added in makefile. We are adding this to makefile so it would
be built.
- Remove unused dc_link.h

Reviewed-by: Jun Lei <[email protected]>
Acked-by: Qingqing Zhuo <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: break down dc_link.c

[why]
dc_link contains over 30k line of code, the decision is to break it
down to files residing in link folder based on functionality. This
change is the last

drm/amd/display: break down dc_link.c

[why]
dc_link contains over 30k line of code, the decision is to break it
down to files residing in link folder based on functionality. This
change is the last break down change which will remove dc_link.c
file after everything is broken down.

[how]
Move remaining dc_link.c functions into link_detection, link_dpms,
link_validation, link_resource, and link_fpga and remove dc_link.

Reviewed-by: George Shen <[email protected]>
Acked-by: Qingqing Zhuo <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dp cts functions from dc_link_dp to link_dp_cts

Create new files link_dp_cts.c and link_dp_cts.h, and move DP cts
functions into them.

Reviewed-by: George Shen <George.Shen@am

drm/amd/display: move dp cts functions from dc_link_dp to link_dp_cts

Create new files link_dp_cts.c and link_dp_cts.h, and move DP cts
functions into them.

Reviewed-by: George Shen <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dp irq handler functions from dc_link_dp to link_dp_irq_handler

Create new files link_dp_irq_handler.c and link_dp_irq_handler.h, and
move DP irq handler functions into them.

drm/amd/display: move dp irq handler functions from dc_link_dp to link_dp_irq_handler

Create new files link_dp_irq_handler.c and link_dp_irq_handler.h, and
move DP irq handler functions into them.

Reviewed-by: George Shen <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move eDP panel control logic to link_edp_panel_control

Create new file link_edp_panel_control.c and link_edp_panel_control.h,
and move eDP panel control logic into them.

Reviewed-b

drm/amd/display: move eDP panel control logic to link_edp_panel_control

Create new file link_edp_panel_control.c and link_edp_panel_control.h,
and move eDP panel control logic into them.

Reviewed-by: George Shen <[email protected]>
Reviewed-by: Jun Lei <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: create accessories, hwss and protocols sub folders in link

[why]
link component contains three sub folders:

accessories - utilities for improving testability, logging or tracing, d

drm/amd/display: create accessories, hwss and protocols sub folders in link

[why]
link component contains three sub folders:

accessories - utilities for improving testability, logging or tracing, doesn't impact
end user use cases.

protocols - specs defined protocols used in end user use cases

hwss - hwss owned link_hwss object, served as an abstraction layer in hwss to
access various types of encoder/phy/dpia endpoints in a unified interface.

sooner we will have files directly under link folder one for the implementation of
each major link behavior such as link_create, link_detect, link_validate
and link_set_dpms.

Reviewed-by: George Shen <[email protected]>
Reviewed-by: Jun Lei <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dp capability related logic to link_dp_capability

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Wesley Chalmers <[email protected]>
Acked-by: Rodrigo Si

drm/amd/display: move dp capability related logic to link_dp_capability

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Wesley Chalmers <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dp phy related logic to link_dp_phy

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Wesley Chalmers <[email protected]>
Acked-by: Rodrigo Siqueira <Rodrig

drm/amd/display: move dp phy related logic to link_dp_phy

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Wesley Chalmers <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dp link training logic to link_dp_training

[why]
Extract dp link training logic out to their own files.
link_dp_training - high level training sequence and helper functions.
li

drm/amd/display: move dp link training logic to link_dp_training

[why]
Extract dp link training logic out to their own files.
link_dp_training - high level training sequence and helper functions.
link_dp_training_8b_10b - dp1.x training
link_dp_training_auxless - aux-less training
link_dp_traininig_dpia - dpia training
link_dp_training_fixed_vs_pe_retimer - fixed vs pe retimer training
link_dp_training_128b_132b - dp2.1 training

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Wesley Chalmers <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dc_link_dpia logic to link_dp_dpia

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: George Shen <[email protected]>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueir

drm/amd/display: move dc_link_dpia logic to link_dp_dpia

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: George Shen <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move dpcd logic from dc_link_dpcd to link_dpcd

[why]
Moving dpcd logic from dc_link_dpcd to link_dpcd as part of link file
restructure

Tested-by: Daniel Wheeler <Daniel.Wheeler@amd

drm/amd/display: move dpcd logic from dc_link_dpcd to link_dpcd

[why]
Moving dpcd logic from dc_link_dpcd to link_dpcd as part of link file
restructure

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: George Shen <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: refactor ddc logic from dc_link_ddc to link_ddc

[why]
1. Move dd_link_ddc functions to link_ddc.
2. Move link ddc functions declaration exposed in dc to link.h
3. Move link ddc func

drm/amd/display: refactor ddc logic from dc_link_ddc to link_ddc

[why]
1. Move dd_link_ddc functions to link_ddc.
2. Move link ddc functions declaration exposed in dc to link.h
3. Move link ddc functions declaration exposed in dm to dc_link.h
4. Remove i2caux_interface.h file

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Jun Lei <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: refactor hpd logic from dc_link to link_hpd

[why]
Factor out hpd handling logic from generic dc link file.

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Jun Lei <

drm/amd/display: refactor hpd logic from dc_link to link_hpd

[why]
Factor out hpd handling logic from generic dc link file.

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Jun Lei <[email protected]>
Acked-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: Add link dp trace support

[Why]
It is nice to have link training and link loss status logging in
our trace, and this patch add the all necessary accessors in dc
side.

[How]
1. Defi

drm/amd/display: Add link dp trace support

[Why]
It is nice to have link training and link loss status logging in
our trace, and this patch add the all necessary accessors in dc
side.

[How]
1. Define dp_trace struct and create new file link_dp_trace.c and
link_dp_trace.h;
2. Add dp link training status update in dc_link_dp.c;

Reviewed-by: Wenjing Liu <[email protected]>
Acked-by: Alan Liu <[email protected]>
Signed-off-by: Leo (Hanghong) Ma <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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drm/amd/display: move link_hwss to link folder and break down to files

[why]
Move link_hwss to its own folder as part of DC LIB and break it down
to separate file one for each type of backend for co

drm/amd/display: move link_hwss to link folder and break down to files

[why]
Move link_hwss to its own folder as part of DC LIB and break it down
to separate file one for each type of backend for code isolation.

Tested-by: Daniel Wheeler <[email protected]>
Reviewed-by: Jun Lei <[email protected]>
Acked-by: Stylon Wang <[email protected]>
Signed-off-by: Wenjing Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

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