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| author | Wenjing Liu <wenjing.liu@amd.com> | 2023-08-05 12:55:52 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-30 15:35:10 -0400 |
| commit | 6b8333a5b929da9e82410ee923f45dba79780bc0 (patch) | |
| tree | 01cb1ceb64995f6e5911ff6653193d4d2ddf7083 /drivers/gpu/drm/amd/display/dc/inc/resource.h | |
| parent | 9ba46183eb905589a845f3a973a37ffed7aebf1a (diff) | |
| download | lwn-6b8333a5b929da9e82410ee923f45dba79780bc0.tar.gz lwn-6b8333a5b929da9e82410ee923f45dba79780bc0.zip | |
drm/amd/display: add new resource interface for acquiring sec opp heads and release pipe
[why]
We need a new algorithm for acquiring secondary opp heads for ODM combine
in dcn32 and a release pipe interface to properly release pipe resources.
[how]
add two new interfaces in DCN specific resource file.
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/resource.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/resource.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h index e546b9c506c1..7a503d87fe9f 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h @@ -281,6 +281,18 @@ bool resource_is_pipe_type(const struct pipe_ctx *pipe_ctx, enum pipe_type type) bool resource_is_for_mpcc_combine(const struct pipe_ctx *pipe_ctx); /* + * Look for a free pipe in new resource context that is used as a secondary OPP + * head by cur_otg_master. + * + * return - FREE_PIPE_INDEX_NOT_FOUND if free pipe is not found, otherwise + * pipe idx of the free pipe + */ +int resource_find_free_pipe_used_as_sec_opp_head_by_cur_otg_master( + const struct resource_context *cur_res_ctx, + struct resource_context *new_res_ctx, + const struct pipe_ctx *cur_otg_master); + +/* * Look for a free pipe in new resource context that is used as a secondary DPP * pipe in MPC blending tree associated with input OPP head pipe. * |