diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 6b431db146cd..6f4fe8fce6b7 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -103,6 +103,31 @@ void rn_set_low_power_state(struct clk_mgr *clk_mgr_base) clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; } +static void rn_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, + struct dc_state *context, int ref_dpp_clk, bool safe_to_lower) +{ + int i; + + clk_mgr->dccg->ref_dppclk = ref_dpp_clk; + + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + int dpp_inst, dppclk_khz, prev_dppclk_khz; + + /* Loop index will match dpp->inst if resource exists, + * and we want to avoid dependency on dpp object + */ + dpp_inst = i; + dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; + + prev_dppclk_khz = clk_mgr->dccg->pipe_dppclk_khz[i]; + + if (safe_to_lower || prev_dppclk_khz < dppclk_khz) + clk_mgr->dccg->funcs->update_dpp_dto( + clk_mgr->dccg, dpp_inst, dppclk_khz); + } +} + + void rn_update_clocks(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool safe_to_lower) @@ -124,7 +149,7 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, * if it is safe to lower, but we are already in the lower state, we don't have to do anything * also if safe to lower is false, we just go in the higher state */ - if (safe_to_lower) { + if (safe_to_lower && !dc->debug.disable_48mhz_pwrdwn) { /* check that we're not already in lower */ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { @@ -158,10 +183,8 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. // Do not adjust dppclk if dppclk is 0 to avoid unexpected result - if (!IS_DIAG_DC(dc->ctx->dce_environment)) { - if (new_clocks->dppclk_khz < 100000 && new_clocks->dppclk_khz > 0) - new_clocks->dppclk_khz = 100000; - } + if (new_clocks->dppclk_khz < 100000 && new_clocks->dppclk_khz > 0) + new_clocks->dppclk_khz = 100000; /* * Temporally ignore thew 0 cases for disp and dpp clks. @@ -181,22 +204,42 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; - rn_vbios_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); + clk_mgr_base->clks.actual_dispclk_khz = rn_vbios_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); update_dispclk = true; } if (dpp_clock_lowered) { - // increase per DPP DTO before lowering global dppclk - dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); - rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + // increase per DPP DTO before lowering global dppclk with requested dppclk + rn_update_clocks_update_dpp_dto( + clk_mgr, + context, + clk_mgr_base->clks.dppclk_khz, + safe_to_lower); + + clk_mgr_base->clks.actual_dppclk_khz = + rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + + //update dpp dto with actual dpp clk. + rn_update_clocks_update_dpp_dto( + clk_mgr, + context, + clk_mgr_base->clks.actual_dppclk_khz, + safe_to_lower); + } else { // increase global DPPCLK before lowering per DPP DTO if (update_dppclk || update_dispclk) - rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + clk_mgr_base->clks.actual_dppclk_khz = + rn_vbios_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + // always update dtos unless clock is lowered and not safe to lower if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) - dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + rn_update_clocks_update_dpp_dto( + clk_mgr, + context, + clk_mgr_base->clks.actual_dppclk_khz, + safe_to_lower); } if (update_dispclk && @@ -207,7 +250,6 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, } } - static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) { /* get FbMult value */ @@ -585,8 +627,8 @@ static struct wm_table ddr4_wm_table_gs = { .wm_inst = WM_A, .wm_type = WM_TYPE_PSTATE_CHG, .pstate_latency_us = 11.72, - .sr_exit_time_us = 6.09, - .sr_enter_plus_exit_time_us = 7.14, + .sr_exit_time_us = 7.09, + .sr_enter_plus_exit_time_us = 8.14, .valid = true, }, { |