diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 43 |
1 files changed, 37 insertions, 6 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 6a811755e2e6..cb992aca760d 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 @@ -541,9 +541,18 @@ static void dcn32_update_clocks(struct clk_mgr *clk_mgr_base, clk_mgr_base->clks.p_state_change_support = p_state_change_support; /* to disable P-State switching, set UCLK min = max */ - if (!clk_mgr_base->clks.p_state_change_support) - dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, - clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries_per_clk.num_memclk_levels - 1].memclk_mhz); + if (!clk_mgr_base->clks.p_state_change_support) { + if (dc->clk_mgr->dc_mode_softmax_enabled) { + /* On DCN32x we will never have the functional UCLK min above the softmax + * since we calculate mode support based on softmax being the max UCLK + * frequency. + */ + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, + dc->clk_mgr->bw_params->dc_mode_softmax_memclk); + } else { + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, dc->clk_mgr->bw_params->max_memclk_mhz); + } + } } /* Always update saved value, even if new value not set due to P-State switching unsupported. Also check safe_to_lower for FCLK */ @@ -808,8 +817,7 @@ static void dcn32_set_hard_max_memclk(struct clk_mgr *clk_mgr_base) if (!clk_mgr->smu_present) return; - dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK, - clk_mgr_base->bw_params->clk_table.entries[clk_mgr_base->bw_params->clk_table.num_entries_per_clk.num_memclk_levels - 1].memclk_mhz); + dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK, clk_mgr_base->bw_params->max_memclk_mhz); } /* Get current memclk states, update bounding box */ @@ -827,6 +835,7 @@ static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) &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); + clk_mgr_base->bw_params->dc_mode_softmax_memclk = clk_mgr_base->bw_params->dc_mode_limit.memclk_mhz; /* 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; @@ -841,7 +850,8 @@ static void dcn32_get_memclk_states_from_smu(struct clk_mgr *clk_mgr_base) } else { num_levels = num_entries_per_clk->num_fclk_levels; } - + clk_mgr_base->bw_params->max_memclk_mhz = + clk_mgr_base->bw_params->clk_table.entries[num_entries_per_clk->num_memclk_levels - 1].memclk_mhz; clk_mgr_base->bw_params->clk_table.num_entries = num_levels ? num_levels : 1; if (clk_mgr->dpm_present && !num_levels) @@ -894,6 +904,25 @@ static bool dcn32_is_smu_present(struct clk_mgr *clk_mgr_base) return clk_mgr->smu_present; } +static void dcn32_set_max_memclk(struct clk_mgr *clk_mgr_base, unsigned int memclk_mhz) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + if (!clk_mgr->smu_present) + return; + + dcn30_smu_set_hard_max_by_freq(clk_mgr, PPCLK_UCLK, memclk_mhz); +} + +static void dcn32_set_min_memclk(struct clk_mgr *clk_mgr_base, unsigned int memclk_mhz) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + if (!clk_mgr->smu_present) + return; + + dcn32_smu_set_hard_min_by_freq(clk_mgr, PPCLK_UCLK, memclk_mhz); +} static struct clk_mgr_funcs dcn32_funcs = { .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, @@ -904,6 +933,8 @@ static struct clk_mgr_funcs dcn32_funcs = { .notify_wm_ranges = dcn32_notify_wm_ranges, .set_hard_min_memclk = dcn32_set_hard_min_memclk, .set_hard_max_memclk = dcn32_set_hard_max_memclk, + .set_max_memclk = dcn32_set_max_memclk, + .set_min_memclk = dcn32_set_min_memclk, .get_memclk_states_from_smu = dcn32_get_memclk_states_from_smu, .are_clock_states_equal = dcn32_are_clock_states_equal, .enable_pme_wa = dcn32_enable_pme_wa, |