drm/amd/display: Check if registers are available before accessing

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Check if VERT_FILTER_INIT_BOT and BLACK_OFFSET registers
exists in the DCN SCL IP block before trying to access.

Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Eric Bernstein 2018-11-19 10:52:10 -05:00 • committed by Alex Deucher

parent ca35899c4e

commit 5dc3fc5a78

1 changed files with 24 additions and 18 deletions

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42

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c

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