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drm/amd/display: Keep VBios pixel rate div setting util next mode set

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[why]
VBios & Driver may have differnet pixel rate div policy.
If the policy is not same and fast boot is enabled,
it would cause the pixel rate is too high
after driver only performs stream blank & unblank.

[how]
We would keep pixel rate div setting by VBios until next mode set.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Webb Chen <yi-lchen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Webb Chen 2024-02-27 10:01:25 +08:00 • committed by Alex Deucher
commit 4d4d3ff16d
20 changed files with 141 additions and 112 deletions
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