diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 5908b60db313..8358a9b980af 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -386,9 +386,31 @@ enum dcc_option { DCC_HALF_REQ_DISALBE = 2, }; +/** + * enum pipe_split_policy - Pipe split strategy supported by DCN + * + * This enum is used to define the pipe split policy supported by DCN. By + * default, DC favors MPC_SPLIT_DYNAMIC. + */ enum pipe_split_policy { + /** + * @MPC_SPLIT_DYNAMIC: DC will automatically decide how to split the + * pipe in order to bring the best trade-off between performance and + * power consumption. This is the recommended option. + */ MPC_SPLIT_DYNAMIC = 0, + + /** + * @MPC_SPLIT_DYNAMIC: Avoid pipe split, which means that DC will not + * try any sort of split optimization. + */ MPC_SPLIT_AVOID = 1, + + /** + * @MPC_SPLIT_DYNAMIC: With this option, DC will only try to optimize + * the pipe utilization when using a single display; if the user + * connects to a second display, DC will avoid pipe split. + */ MPC_SPLIT_AVOID_MULT_DISP = 2, }; @@ -623,6 +645,14 @@ struct dc_state; struct resource_pool; struct dce_hwseq; +/** + * struct dc_debug_options - DC debug struct + * + * This struct provides a simple mechanism for developers to change some + * configurations, enable/disable features, and activate extra debug options. + * This can be very handy to narrow down whether some specific feature is + * causing an issue or not. + */ struct dc_debug_options { bool native422_support; bool disable_dsc; @@ -642,6 +672,11 @@ struct dc_debug_options { bool disable_stutter; bool use_max_lb; enum dcc_option disable_dcc; + + /** + * @pipe_split_policy: Define which pipe split policy is used by the + * display core. + */ enum pipe_split_policy pipe_split_policy; bool force_single_disp_pipe_split; bool voltage_align_fclk; |