drm/amd/display: dcn add check surface in_use

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Driver need to  poll the SURFACE_INUSE register to determine when to
start the new task and write data to the checked surface.

Implement the wait functions, and add the necessary hubbub registers.

Signed-off-by: Charlene Liu <charlene.liu@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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This commit is contained in:

Charlene Liu 2019-02-04 14:36:13 -05:00 • committed by Alex Deucher

parent 46f81fc4af

commit 2750160bcc

6 changed files with 97 additions and 4 deletions

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3

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

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46

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c

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25

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h

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22

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

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3

drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h

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2

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

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