diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/resource.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/resource.h | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h index 7a503d87fe9f..4344c5a239e1 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h @@ -213,6 +213,21 @@ bool resource_attach_surfaces_to_context( * | | | | | * | 5 | (FREE) | | | * |________|_______________|___________|_____________| + * + * The following is a quick reference of the class relation: + * + * DC state ---1--------0..N--- streams + * + * stream ---1-----------1--- OTG Master pipe + * + * OTG Master pipe ---1--------1..N--- OPP Head pipes + * + * OPP Head pipe ---1--------0..N--- DPP pipes + * + * stream ---1--------0..N--- Planes + * + * Plane ---1--------1..N--- DPP pipes + * */ enum pipe_type { /* free pipe - free pipe is an uninitialized pipe without a stream @@ -354,6 +369,9 @@ struct pipe_ctx *resource_find_free_secondary_pipe_legacy( */ int resource_get_num_mpc_splits(const struct pipe_ctx *pipe); +int resource_get_mpc_split_index(struct pipe_ctx *pipe_ctx); + + /* * Get number of ODM "cuts" of the timing associated with the pipe. ODM slice * count is equal to ODM splits + 1. For example if a timing is cut 3 times, it @@ -363,6 +381,8 @@ int resource_get_num_mpc_splits(const struct pipe_ctx *pipe); */ int resource_get_num_odm_splits(const struct pipe_ctx *pipe); +int resource_get_odm_split_index(struct pipe_ctx *pipe_ctx); + /* * Get the OTG master pipe in resource context associated with the stream. * return - NULL if not found. Otherwise the OTG master pipe associated with the @@ -386,6 +406,53 @@ struct pipe_ctx *resource_get_otg_master(const struct pipe_ctx *pipe_ctx); */ struct pipe_ctx *resource_get_opp_head(const struct pipe_ctx *pipe_ctx); +/* + * Update ODM slice count by acquiring or releasing pipes. If new slices need + * to be added, it is going to add them to the last ODM index. If existing + * slices need to be removed, it is going to remove them from the last ODM + * index. + * + * return - true if ODM slices are updated and required pipes are acquired. All + * affected pipe parameters are updated. + * + * false if resource fails to complete this update. The function is not designed + * to recover the creation of invalid topologies. Returning false is typically + * an indication of insufficient validation in caller's stack. The function will + * return the new_ctx up until the last valid step performed in the function. + * Caller may use the returned new_ctx for debugging the error or it may attempt + * to restore new_ctx by calling this function again with original slice count. + */ +bool resource_update_pipes_with_odm_slice_count( + struct pipe_ctx *otg_master_pipe, + struct dc_state *new_ctx, + const struct dc_state *cur_ctx, + const struct resource_pool *pool, + int slice_count); + +/* + * Update MPC slice count by acquiring or releasing DPP pipes. If new slices + * need to be added it is going to add to the last MPC index. If existing + * slices need to be removed, it is going to remove them from the last MPC + * index. + * + * @dpp_pipe - top most dpp pipe for MPCC combine. + * + * return - true if MPC slices are updated and required pipes are acquired. All + * affected pipe parameters are updated. + * + * false if resource fails to complete this update. The function is not designed + * to recover the creation of invalid topologies. Returning false is typically + * an indication of insufficient validation in caller's stack. The function will + * return the new_ctx up until the last valid step performed in the function. + * Caller may use the returned new_ctx for debugging the error or it may attempt + * to restore new_ctx by calling this function again with original slice count. + */ +bool resource_update_pipes_with_mpc_slice_count( + struct pipe_ctx *dpp_pipe, + struct dc_state *new_ctx, + const struct dc_state *cur_ctx, + const struct resource_pool *pool, + int slice_count); bool resource_validate_attach_surfaces( const struct dc_validation_set set[], @@ -451,7 +518,7 @@ const struct link_hwss *get_link_hwss(const struct dc_link *link, bool is_h_timing_divisible_by_2(struct dc_stream_state *stream); -bool dc_resource_acquire_secondary_pipe_for_mpc_odm( +bool dc_resource_acquire_secondary_pipe_for_mpc_odm_legacy( const struct dc *dc, struct dc_state *state, struct pipe_ctx *pri_pipe, |