diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c index 7f34418e6308..4c2fdfea162f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c @@ -66,17 +66,8 @@ void dccg31_update_dpp_dto(struct dccg *dccg, int dpp_inst, int req_dppclk) REG_UPDATE(DPPCLK_DTO_CTRL, DPPCLK_DTO_ENABLE[dpp_inst], 1); } else { - //DTO must be enabled to generate a 0Hz clock output - if (dccg->ctx->dc->debug.root_clock_optimization.bits.dpp) { - REG_UPDATE(DPPCLK_DTO_CTRL, - DPPCLK_DTO_ENABLE[dpp_inst], 1); - REG_SET_2(DPPCLK_DTO_PARAM[dpp_inst], 0, - DPPCLK0_DTO_PHASE, 0, - DPPCLK0_DTO_MODULO, 1); - } else { - REG_UPDATE(DPPCLK_DTO_CTRL, - DPPCLK_DTO_ENABLE[dpp_inst], 0); - } + REG_UPDATE(DPPCLK_DTO_CTRL, + DPPCLK_DTO_ENABLE[dpp_inst], 0); } dccg->pipe_dppclk_khz[dpp_inst] = req_dppclk; } @@ -369,6 +360,15 @@ void dccg31_disable_dscclk(struct dccg *dccg, int inst) DSCCLK2_DTO_PHASE, 0, DSCCLK2_DTO_MODULO, 1); break; + case 3: + if (REG(DSCCLK3_DTO_PARAM)) { + REG_UPDATE(DSCCLK_DTO_CTRL, + DSCCLK3_DTO_ENABLE, 1); + REG_UPDATE_2(DSCCLK3_DTO_PARAM, + DSCCLK3_DTO_PHASE, 0, + DSCCLK3_DTO_MODULO, 1); + } + break; default: BREAK_TO_DEBUGGER(); return; @@ -404,6 +404,15 @@ void dccg31_enable_dscclk(struct dccg *dccg, int inst) REG_UPDATE(DSCCLK_DTO_CTRL, DSCCLK2_DTO_ENABLE, 0); break; + case 3: + if (REG(DSCCLK3_DTO_PARAM)) { + REG_UPDATE(DSCCLK_DTO_CTRL, + DSCCLK3_DTO_ENABLE, 0); + REG_UPDATE_2(DSCCLK3_DTO_PARAM, + DSCCLK3_DTO_PHASE, 0, + DSCCLK3_DTO_MODULO, 0); + } + break; default: BREAK_TO_DEBUGGER(); return; |