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| author |   Charlene Liu <charlene.liu@amd.com> | 2019-02-04 14:36:13 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-03-05 15:09:32 -0500 |
| commit | 2750160bccab4d7a4017197a3f0d75ee8cc4c6af (patch) | |
| tree | a290f9f12ab1aa23bea8fb58f555acaeb49f46f4 /drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | |
| parent | drm/amd/display: Add DCN_VM aperture registers (diff) | |
| download | linux-dev-2750160bccab4d7a4017197a3f0d75ee8cc4c6af.tar.xz linux-dev-2750160bccab4d7a4017197a3f0d75ee8cc4c6af.zip | |
drm/amd/display: dcn add check surface in_use
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h index 9d2d8e51306c..ac97d18d5568 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h @@ -73,6 +73,9 @@ struct hubbub_funcs { void (*wm_read_state)(struct hubbub *hubbub, struct dcn_hubbub_wm *wm); + + void (*wait_for_surf_safe_update)(struct hubbub *hubbub, + uint32_t hbup_inst); }; struct hubbub { |