diff options
| author | Jake Wang <haonan.wang2@amd.com> | 2021-10-22 02:10:17 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-03 19:32:34 +0300 |
| commit | 0a068b683c87a85351a06017932fb0d4ec8d6b4b (patch) | |
| tree | ecb67e5616cde6c867403855957d562166a11a1b /drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h | |
| parent | edcf52caa985c010d0a6022190c8e3d3980a0223 (diff) | |
| download | linux-0a068b683c87a85351a06017932fb0d4ec8d6b4b.tar.xz | |
drm/amd/display: Added HPO HW control shutdown support
[Why]
HPO is only used for DP2.0. HPO HW control should be
disable when not being used to save power.
[How]
Shutdown HPO HW control during init hw.
Shutdown HPO HW control during stream disable.
Enable HPO HW control during stream enable if DP2.0.
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@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/dcn31/dcn31_hwseq.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h index 7ae45dd202d9..edfc01d6ad73 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.h @@ -54,5 +54,6 @@ void dcn31_reset_hw_ctx_wrap( bool dcn31_is_abm_supported(struct dc *dc, struct dc_state *context, struct dc_stream_state *stream); void dcn31_init_pipes(struct dc *dc, struct dc_state *context); +void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable); #endif /* __DC_HWSS_DCN31_H__ */ |