drm/amd/display: enable EASF support for DCN40

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[Why]
Enable adaptive scaler support for DCN401

[How]
- Enable build flag for SPL
- Set prefer_easf flag to true
- Apply light linear scaling policy based on transfer function and pixel
  format.  Choose between linear or non-linear scaling
- Set matrix_mode based on pixel format
- Disable ring estimator
- Add missing EASF register defines, masks, and writes
- Disable EASF if scale ratio or number of taps is unsupported and when
  bypassing the scaler
- Add debug flags and registry keys for debugging SPL and EASF
- Add support for Visual Confirm with EASF

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Samson Tam 2024-04-24 08:37:04 -04:00 • committed by Alex Deucher

parent 70bb97d95f

commit 7a1dd866c5

9 changed files with 382 additions and 34 deletions

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11

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

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3

drivers/gpu/drm/amd/display/dc/dc.h

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15

drivers/gpu/drm/amd/display/dc/dc_spl_translate.c

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6

drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp.h

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207

drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_dscl.c

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1

drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c

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48

drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.h

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95

drivers/gpu/drm/amd/display/dc/spl/dc_spl.c

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30

drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h

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