diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2023-10-30 15:21:12 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-17 09:30:50 -0500 |
| commit | 673d6d73eba79a1205ac403b68ef63da1c823da2 (patch) | |
| tree | e25753fcb81a82627438e264e14b0366b52b5e6a /drivers/gpu/drm/amd/display/dc/inc/resource.h | |
| parent | 68cfc5d8e459f50e5f46dca3b0f3c97a75f39975 (diff) | |
drm/amd/display: Prefer currently used OTG master when acquiring free pipe
[WHY & HOW]
When acquiring an OTG master pipe we should prefer currently enabled OTG
master pipes first. If there are no free pipes used as current OTG
master pipe then we will try to acquire a currently unused free pipe as
new OTG master instead of tearing down current secondary pipes from ODM
or MPC combine.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@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 06ca8bfb91e7..0458d2d749f4 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h @@ -501,6 +501,18 @@ int recource_find_free_pipe_not_used_in_cur_res_ctx( const struct resource_pool *pool); /* + * Look for a free pipe in new resource context that is used in current resource + * context as an OTG master pipe. + * + * return - FREE_PIPE_INDEX_NOT_FOUND if free pipe is not found, otherwise + * pipe idx of the free pipe + */ +int recource_find_free_pipe_used_as_otg_master_in_cur_res_ctx( + const struct resource_context *cur_res_ctx, + struct resource_context *new_res_ctx, + const struct resource_pool *pool); + +/* * Look for a free pipe in new resource context that is used as a secondary DPP * pipe in any MPCC combine in current resource context. * return - FREE_PIPE_INDEX_NOT_FOUND if free pipe is not found, otherwise |