drm/amd/display: use proper formula to calculate bandwidth from timing

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[why]
The existing calculation uses a wrong formula to
calculate bandwidth from timing.

[how]
Expose the existing proper function that calculates the bandwidth,
so dc_link can use it to calculate timing bandwidth correctly.

Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Wenjing Liu 2019-03-21 13:05:36 -04:00 • committed by Alex Deucher

parent e5490464f4

commit e49f69363a

3 changed files with 51 additions and 50 deletions

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48

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

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51

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

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2

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

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