drm/amd/display: filter out invalid bits in pipe_fuses

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[Why]
Reading pipe_fuses from register may have invalid bits set, which may
 affect the num_pipes erroneously.

[How]
Add read_pipes_fuses() call and filter bits based on expected number
 of pipes.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Samson Tam 2023-04-19 18:17:14 -04:00 • committed by Alex Deucher

parent 4dfa60aede

commit f835a571ec

2 changed files with 18 additions and 2 deletions

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10

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c

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10

drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c

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