diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c index 6360dc9502e7..7e7cd5b64e6a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c @@ -1008,6 +1008,24 @@ static bool hubbub31_verify_allow_pstate_change_high(struct hubbub *hubbub) return false; } +void hubbub31_init(struct hubbub *hubbub) +{ + struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub); + + /*Enable clock gate*/ + if (hubbub->ctx->dc->debug.disable_clock_gate) { + /*done in hwseq*/ + /*REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);*/ + REG_UPDATE_2(DCHUBBUB_CLOCK_CNTL, + DISPCLK_R_DCHUBBUB_GATE_DIS, 0, + DCFCLK_R_DCHUBBUB_GATE_DIS, 0); + } + + /* + only the DCN will determine when to connect the SDP port + */ + REG_UPDATE(DCHUBBUB_SDPIF_CFG0, SDPIF_PORT_CONTROL, 1); +} static const struct hubbub_funcs hubbub31_funcs = { .update_dchub = hubbub2_update_dchub, .init_dchub_sys_ctx = hubbub31_init_dchub_sys_ctx, |