drm/amd/display: redesign scaling rotation math

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Change the math to work in viewport rotation when calculating
viewport and viewport adjustment. This simplifies the math
for viewport calculation and makes viewport adjustment easier to
understand.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Dmytro Laktyushkin 2018-10-19 16:17:29 -04:00 • committed by Alex Deucher

parent 3ce224421b

commit 9b6067c08d

1 changed files with 240 additions and 414 deletions

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

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