diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 71 |
1 files changed, 55 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index 8d9444db092a..6a811755e2e6 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @@ -182,23 +182,32 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base) dcn32_init_single_clock(clk_mgr, PPCLK_DCFCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dcfclk_mhz, &num_entries_per_clk->num_dcfclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.dcfclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DCFCLK); /* SOCCLK */ dcn32_init_single_clock(clk_mgr, PPCLK_SOCCLK, &clk_mgr_base->bw_params->clk_table.entries[0].socclk_mhz, &num_entries_per_clk->num_socclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.socclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_SOCCLK); /* DTBCLK */ - if (!clk_mgr->base.ctx->dc->debug.disable_dtb_ref_clk_switch) + if (!clk_mgr->base.ctx->dc->debug.disable_dtb_ref_clk_switch) { dcn32_init_single_clock(clk_mgr, PPCLK_DTBCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dtbclk_mhz, &num_entries_per_clk->num_dtbclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.dtbclk_mhz = + dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DTBCLK); + } /* DISPCLK */ dcn32_init_single_clock(clk_mgr, PPCLK_DISPCLK, &clk_mgr_base->bw_params->clk_table.entries[0].dispclk_mhz, &num_entries_per_clk->num_dispclk_levels); num_levels = num_entries_per_clk->num_dispclk_levels; + clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DISPCLK); + //HW recommends limit of 1950 MHz in display clock for all DCN3.2.x + if (clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz > 1950) + clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = 1950; if (num_entries_per_clk->num_dcfclk_levels && num_entries_per_clk->num_dtbclk_levels && @@ -233,6 +242,32 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base) DC_FP_END(); } +static void dcn32_update_clocks_update_dtb_dto(struct clk_mgr_internal *clk_mgr, + struct dc_state *context, + int ref_dtbclk_khz) +{ + struct dccg *dccg = clk_mgr->dccg; + uint32_t tg_mask = 0; + int i; + + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + struct dtbclk_dto_params dto_params = {0}; + + /* use mask to program DTO once per tg */ + if (pipe_ctx->stream_res.tg && + !(tg_mask & (1 << pipe_ctx->stream_res.tg->inst))) { + tg_mask |= (1 << pipe_ctx->stream_res.tg->inst); + + dto_params.otg_inst = pipe_ctx->stream_res.tg->inst; + dto_params.ref_dtbclk_khz = ref_dtbclk_khz; + + dccg->funcs->set_dtbclk_dto(clk_mgr->dccg, &dto_params); + //dccg->funcs->set_audio_dtbclk_dto(clk_mgr->dccg, &dto_params); + } + } +} + /* Since DPPCLK request to PMFW needs to be exact (due to DPP DTO programming), * update DPPCLK to be the exact frequency that will be set after the DPPCLK * divider is updated. This will prevent rounding issues that could cause DPP @@ -433,10 +468,6 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, bool update_uclk = false, update_fclk = false; bool p_state_change_support; bool fclk_p_state_change_support; - int total_plane_count; - - if (dc->work_arounds.skip_clock_update) - return; if (clk_mgr_base->clks.dispclk_khz == 0 || (dc->debug.force_clock_mode & 0x1)) { @@ -462,10 +493,10 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, clk_mgr_base->clks.fclk_prev_p_state_change_support = clk_mgr_base->clks.fclk_p_state_change_support; - total_plane_count = clk_mgr_helper_get_active_plane_cnt(dc, context); - fclk_p_state_change_support = new_clocks->fclk_p_state_change_support || (total_plane_count == 0); + fclk_p_state_change_support = new_clocks->fclk_p_state_change_support; - if (should_update_pstate_support(safe_to_lower, fclk_p_state_change_support, clk_mgr_base->clks.fclk_p_state_change_support)) { + if (should_update_pstate_support(safe_to_lower, fclk_p_state_change_support, clk_mgr_base->clks.fclk_p_state_change_support) && + !dc->work_arounds.clock_update_disable_mask.fclk) { clk_mgr_base->clks.fclk_p_state_change_support = fclk_p_state_change_support; /* To enable FCLK P-state switching, send FCLK_PSTATE_SUPPORTED message to PMFW */ @@ -479,12 +510,14 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ? new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000); - if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz) && + !dc->work_arounds.clock_update_disable_mask.dcfclk) { clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DCFCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dcfclk_khz)); } - if (should_set_clock(safe_to_lower, new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz) && + !dc->work_arounds.clock_update_disable_mask.dcfclk_ds) { clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; dcn30_smu_set_min_deep_sleep_dcef_clk(clk_mgr, khz_to_mhz_ceil(clk_mgr_base->clks.dcfclk_deep_sleep_khz)); } @@ -502,9 +535,9 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, dcn32_smu_send_cab_for_uclk_message(clk_mgr, clk_mgr_base->clks.num_ways); } - - p_state_change_support = new_clocks->p_state_change_support || (total_plane_count == 0); - if (should_update_pstate_support(safe_to_lower, p_state_change_support, clk_mgr_base->clks.p_state_change_support)) { + p_state_change_support = new_clocks->p_state_change_support; + if (should_update_pstate_support(safe_to_lower, p_state_change_support, clk_mgr_base->clks.p_state_change_support) && + !dc->work_arounds.clock_update_disable_mask.uclk) { clk_mgr_base->clks.p_state_change_support = p_state_change_support; /* to disable P-State switching, set UCLK min = max */ @@ -518,20 +551,23 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, update_fclk = true; } - if (clk_mgr_base->ctx->dce_version != DCN_VERSION_3_21 && !clk_mgr_base->clks.fclk_p_state_change_support && update_fclk) { + if (clk_mgr_base->ctx->dce_version != DCN_VERSION_3_21 && !clk_mgr_base->clks.fclk_p_state_change_support && update_fclk && + !dc->work_arounds.clock_update_disable_mask.fclk) { /* Handle code for sending a message to PMFW that FCLK P-state change is not supported */ dcn32_smu_send_fclk_pstate_message(clk_mgr, FCLK_PSTATE_NOTSUPPORTED); } /* Always update saved value, even if new value not set due to P-State switching unsupported */ - if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr_base->clks.dramclk_khz)) { + if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr_base->clks.dramclk_khz) && + !dc->work_arounds.clock_update_disable_mask.uclk) { clk_mgr_base->clks.dramclk_khz = new_clocks->dramclk_khz; update_uclk = true; } /* set UCLK to requested value if P-State switching is supported, or to re-enable P-State switching */ if (clk_mgr_base->clks.p_state_change_support && - (update_uclk || !clk_mgr_base->clks.prev_p_state_change_support)) + (update_uclk || !clk_mgr_base->clks.prev_p_state_change_support) && + !dc->work_arounds.clock_update_disable_mask.uclk) dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, khz_to_mhz_ceil(clk_mgr_base->clks.dramclk_khz)); if (clk_mgr_base->clks.num_ways != new_clocks->num_ways && @@ -570,6 +606,7 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, /* DCCG requires KHz precision for DTBCLK */ clk_mgr_base->clks.ref_dtbclk_khz = dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_DTBCLK, khz_to_mhz_ceil(new_clocks->ref_dtbclk_khz)); + dcn32_update_clocks_update_dtb_dto(clk_mgr, context, clk_mgr_base->clks.ref_dtbclk_khz); } if (dc->config.forced_clocks == false || (force_reset && safe_to_lower)) { @@ -789,6 +826,7 @@ static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) dcn32_init_single_clock(clk_mgr, PPCLK_UCLK, &clk_mgr_base->bw_params->clk_table.entries[0].memclk_mhz, &num_entries_per_clk->num_memclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.memclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_UCLK); /* memclk must have at least one level */ num_entries_per_clk->num_memclk_levels = num_entries_per_clk->num_memclk_levels ? num_entries_per_clk->num_memclk_levels : 1; @@ -796,6 +834,7 @@ static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) dcn32_init_single_clock(clk_mgr, PPCLK_FCLK, &clk_mgr_base->bw_params->clk_table.entries[0].fclk_mhz, &num_entries_per_clk->num_fclk_levels); + clk_mgr_base->bw_params->dc_mode_limit.fclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_FCLK); if (num_entries_per_clk->num_memclk_levels >= num_entries_per_clk->num_fclk_levels) { num_levels = num_entries_per_clk->num_memclk_levels; |