drm/amd/display: really fix time out in init sequence

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REG_UPDATE_2 return the reg value it write out through MMIO
we need to do a REG_READ to confirm the value is written out

Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Tony Cheng 2017-11-22 11:51:30 -05:00 • committed by Alex Deucher

parent a018298ff8

commit 75c2dec31a

1 changed files with 3 additions and 2 deletions

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drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c

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