drm/amd/display: work around fp code being emitted outside of DC_FP_START/END

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The dcn20_validate_bandwidth function would have code touching the
incorrect registers emitted outside of the boundaries of the
DC_FP_START/END macros, at least on ppc64le. Work around the
problem by wrapping the whole function instead.

Signed-off-by: Daniel Kolesa <daniel@octaforge.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.6.x

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Daniel Kolesa 2020-04-29 17:02:36 +02:00 • committed by Alex Deucher

parent f33a6dec4e

commit 59dfb0c64d

1 changed files with 23 additions and 8 deletions

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drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

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