drm/amd/display: Acquire DSC HW resource only if required by stream

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[why]
There are ASICs that have fewer DSC engines than pipes, which makes
DSC a resource that should be used only if required.

[how]
Acquire DSC HW resource if required by stream and release when not
required anymore.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Nikola Cornij 2019-04-02 12:40:22 -04:00 • committed by Alex Deucher

parent 0d7bd17c6e

commit c9ae6e1691

4 changed files with 97 additions and 73 deletions

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19

drivers/gpu/drm/amd/display/dc/core/dc.c

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153

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

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2

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h

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10

drivers/gpu/drm/amd/display/dc/inc/core_types.h

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