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drm/amd/display: Add front end for dp debugfs files

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As part of hardware certification, read-write access to
the link rate, lane count, voltage swing, pre-emphasis,
and PHY test pattern of DP connectors is required.  This commit
adds debugfs files that will correspond to these values.
The file operations are not yet implemented: currently
writing or reading them does nothing.

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Francis
2018-06-01 09:49:06 -04:00
committed by Alex Deucher
parent 0176e8c4c0
commit dc38fd9dac
4 changed files with 215 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
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@@ -32,7 +32,7 @@ AMDGPUDM += amdgpu_dm_services.o amdgpu_dm_helpers.o
endif
ifneq ($(CONFIG_DEBUG_FS),)
AMDGPUDM += amdgpu_dm_crc.o
AMDGPUDM += amdgpu_dm_crc.o amdgpu_dm_debugfs.o
endif
subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc