drm/amd/display: Limit minimum DPPCLK to 100MHz.

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[ Upstream commit 6c81917a04 ]

[Why]
Underflow is observed when plug in a 4K@60 monitor with
1366x768 eDP due to DPPCLK is too low.

[How]
Limit minimum DPPCLK to 100MHz.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Yongqiang Sun 2020-01-23 16:30:15 -05:00 • committed by Greg Kroah-Hartman

parent 10961b201a

commit 6ce152ace1

1 changed files with 6 additions and 0 deletions

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drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c

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