On Tue, Sep 23, 2014 at 1:08 AM, Alexandre Demers <alexandre.f.demers at gmail.com> wrote: > Typo: this should be "Tested on kernel 3.17-rc6 on..." > > Alexandre Demers > > > On 23/09/14 12:42 AM, Alexandre Demers wrote: >> >> Now that vddci has been fixed for dpm, we can let the GPUs >> use their maximum values when not using the reference ones. >> >> Fixes bug 69721: Can't reach maximum memory speed (or core >> speed) when using dpm=1 on r600g on cards not sticking to >> reference board >> >> Tested on kernel 3.17-rc7 on a cayman gpu. >> >> Signed-off-by: Alexandre Demers <alexandre.f.demers at gmail.com>
Thanks for testing this. I'd rather split this up into multiple patches in case we need to revert it on a specific asic family if problems arise. How about the attached patches? Alex >> >> --- >> drivers/gpu/drm/radeon/btc_dpm.c | 51 >> ---------------------------------------- >> drivers/gpu/drm/radeon/btc_dpm.h | 2 -- >> drivers/gpu/drm/radeon/ci_dpm.c | 26 -------------------- >> drivers/gpu/drm/radeon/ni_dpm.c | 24 ------------------- >> drivers/gpu/drm/radeon/si_dpm.c | 24 ------------------- >> 5 files changed, 127 deletions(-) >> >> diff --git a/drivers/gpu/drm/radeon/btc_dpm.c >> b/drivers/gpu/drm/radeon/btc_dpm.c >> index f81d7ca..300d971 100644 >> --- a/drivers/gpu/drm/radeon/btc_dpm.c >> +++ b/drivers/gpu/drm/radeon/btc_dpm.c >> @@ -1170,23 +1170,6 @@ static const struct radeon_blacklist_clocks >> btc_blacklist_clocks[] = >> { 25000, 30000, RADEON_SCLK_UP } >> }; >> -void btc_get_max_clock_from_voltage_dependency_table(struct >> radeon_clock_voltage_dependency_table *table, >> - u32 *max_clock) >> -{ >> - u32 i, clock = 0; >> - >> - if ((table == NULL) || (table->count == 0)) { >> - *max_clock = clock; >> - return; >> - } >> - >> - for (i = 0; i < table->count; i++) { >> - if (clock < table->entries[i].clk) >> - clock = table->entries[i].clk; >> - } >> - *max_clock = clock; >> -} >> - >> void btc_apply_voltage_dependency_rules(struct >> radeon_clock_voltage_dependency_table *table, >> u32 clock, u16 max_voltage, u16 >> *voltage) >> { >> @@ -2099,7 +2082,6 @@ static void btc_apply_state_adjust_rules(struct >> radeon_device *rdev, >> bool disable_mclk_switching; >> u32 mclk, sclk; >> u16 vddc, vddci; >> - u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; >> if ((rdev->pm.dpm.new_active_crtc_count > 1) || >> btc_dpm_vblank_too_short(rdev)) >> @@ -2141,39 +2123,6 @@ static void btc_apply_state_adjust_rules(struct >> radeon_device *rdev, >> ps->low.vddci = max_limits->vddci; >> } >> - /* limit clocks to max supported clocks based on voltage >> dependency tables */ >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, >> - &max_sclk_vddc); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, >> - &max_mclk_vddci); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, >> - &max_mclk_vddc); >> - >> - if (max_sclk_vddc) { >> - if (ps->low.sclk > max_sclk_vddc) >> - ps->low.sclk = max_sclk_vddc; >> - if (ps->medium.sclk > max_sclk_vddc) >> - ps->medium.sclk = max_sclk_vddc; >> - if (ps->high.sclk > max_sclk_vddc) >> - ps->high.sclk = max_sclk_vddc; >> - } >> - if (max_mclk_vddci) { >> - if (ps->low.mclk > max_mclk_vddci) >> - ps->low.mclk = max_mclk_vddci; >> - if (ps->medium.mclk > max_mclk_vddci) >> - ps->medium.mclk = max_mclk_vddci; >> - if (ps->high.mclk > max_mclk_vddci) >> - ps->high.mclk = max_mclk_vddci; >> - } >> - if (max_mclk_vddc) { >> - if (ps->low.mclk > max_mclk_vddc) >> - ps->low.mclk = max_mclk_vddc; >> - if (ps->medium.mclk > max_mclk_vddc) >> - ps->medium.mclk = max_mclk_vddc; >> - if (ps->high.mclk > max_mclk_vddc) >> - ps->high.mclk = max_mclk_vddc; >> - } >> - >> /* XXX validate the min clocks required for display */ >> if (disable_mclk_switching) { >> diff --git a/drivers/gpu/drm/radeon/btc_dpm.h >> b/drivers/gpu/drm/radeon/btc_dpm.h >> index 3b6f12b..1a15e0e 100644 >> --- a/drivers/gpu/drm/radeon/btc_dpm.h >> +++ b/drivers/gpu/drm/radeon/btc_dpm.h >> @@ -46,8 +46,6 @@ void btc_adjust_clock_combinations(struct radeon_device >> *rdev, >> struct rv7xx_pl *pl); >> void btc_apply_voltage_dependency_rules(struct >> radeon_clock_voltage_dependency_table *table, >> u32 clock, u16 max_voltage, u16 >> *voltage); >> -void btc_get_max_clock_from_voltage_dependency_table(struct >> radeon_clock_voltage_dependency_table *table, >> - u32 *max_clock); >> void btc_apply_voltage_delta_rules(struct radeon_device *rdev, >> u16 max_vddc, u16 max_vddci, >> u16 *vddc, u16 *vddci); >> diff --git a/drivers/gpu/drm/radeon/ci_dpm.c >> b/drivers/gpu/drm/radeon/ci_dpm.c >> index d416bb2..d199be3 100644 >> --- a/drivers/gpu/drm/radeon/ci_dpm.c >> +++ b/drivers/gpu/drm/radeon/ci_dpm.c >> @@ -162,8 +162,6 @@ static const struct ci_pt_config_reg didt_config_ci[] >> = >> }; >> extern u8 rv770_get_memory_module_index(struct radeon_device *rdev); >> -extern void btc_get_max_clock_from_voltage_dependency_table(struct >> radeon_clock_voltage_dependency_table *table, >> - u32 >> *max_clock); >> extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev, >> u32 arb_freq_src, u32 >> arb_freq_dest); >> extern u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock); >> @@ -748,7 +746,6 @@ static void ci_apply_state_adjust_rules(struct >> radeon_device *rdev, >> struct radeon_clock_and_voltage_limits *max_limits; >> bool disable_mclk_switching; >> u32 sclk, mclk; >> - u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; >> int i; >> if (rps->vce_active) { >> @@ -784,29 +781,6 @@ static void ci_apply_state_adjust_rules(struct >> radeon_device *rdev, >> } >> } >> - /* limit clocks to max supported clocks based on voltage >> dependency tables */ >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, >> - &max_sclk_vddc); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, >> - &max_mclk_vddci); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, >> - &max_mclk_vddc); >> - >> - for (i = 0; i < ps->performance_level_count; i++) { >> - if (max_sclk_vddc) { >> - if (ps->performance_levels[i].sclk > >> max_sclk_vddc) >> - ps->performance_levels[i].sclk = >> max_sclk_vddc; >> - } >> - if (max_mclk_vddci) { >> - if (ps->performance_levels[i].mclk > >> max_mclk_vddci) >> - ps->performance_levels[i].mclk = >> max_mclk_vddci; >> - } >> - if (max_mclk_vddc) { >> - if (ps->performance_levels[i].mclk > >> max_mclk_vddc) >> - ps->performance_levels[i].mclk = >> max_mclk_vddc; >> - } >> - } >> - >> /* XXX validate the min clocks required for display */ >> if (disable_mclk_switching) { >> diff --git a/drivers/gpu/drm/radeon/ni_dpm.c >> b/drivers/gpu/drm/radeon/ni_dpm.c >> index 01fc488..715b181 100644 >> --- a/drivers/gpu/drm/radeon/ni_dpm.c >> +++ b/drivers/gpu/drm/radeon/ni_dpm.c >> @@ -789,7 +789,6 @@ static void ni_apply_state_adjust_rules(struct >> radeon_device *rdev, >> bool disable_mclk_switching; >> u32 mclk; >> u16 vddci; >> - u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; >> int i; >> if ((rdev->pm.dpm.new_active_crtc_count > 1) || >> @@ -816,29 +815,6 @@ static void ni_apply_state_adjust_rules(struct >> radeon_device *rdev, >> } >> } >> - /* limit clocks to max supported clocks based on voltage >> dependency tables */ >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, >> - &max_sclk_vddc); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, >> - &max_mclk_vddci); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, >> - &max_mclk_vddc); >> - >> - for (i = 0; i < ps->performance_level_count; i++) { >> - if (max_sclk_vddc) { >> - if (ps->performance_levels[i].sclk > >> max_sclk_vddc) >> - ps->performance_levels[i].sclk = >> max_sclk_vddc; >> - } >> - if (max_mclk_vddci) { >> - if (ps->performance_levels[i].mclk > >> max_mclk_vddci) >> - ps->performance_levels[i].mclk = >> max_mclk_vddci; >> - } >> - if (max_mclk_vddc) { >> - if (ps->performance_levels[i].mclk > >> max_mclk_vddc) >> - ps->performance_levels[i].mclk = >> max_mclk_vddc; >> - } >> - } >> - >> /* XXX validate the min clocks required for display */ >> /* adjust low state */ >> diff --git a/drivers/gpu/drm/radeon/si_dpm.c >> b/drivers/gpu/drm/radeon/si_dpm.c >> index 70e61ff..9e4d5d7 100644 >> --- a/drivers/gpu/drm/radeon/si_dpm.c >> +++ b/drivers/gpu/drm/radeon/si_dpm.c >> @@ -2916,7 +2916,6 @@ static void si_apply_state_adjust_rules(struct >> radeon_device *rdev, >> bool disable_sclk_switching = false; >> u32 mclk, sclk; >> u16 vddc, vddci; >> - u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; >> int i; >> if ((rdev->pm.dpm.new_active_crtc_count > 1) || >> @@ -2950,29 +2949,6 @@ static void si_apply_state_adjust_rules(struct >> radeon_device *rdev, >> } >> } >> - /* limit clocks to max supported clocks based on voltage >> dependency tables */ >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, >> - &max_sclk_vddc); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, >> - &max_mclk_vddci); >> - >> btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, >> - &max_mclk_vddc); >> - >> - for (i = 0; i < ps->performance_level_count; i++) { >> - if (max_sclk_vddc) { >> - if (ps->performance_levels[i].sclk > >> max_sclk_vddc) >> - ps->performance_levels[i].sclk = >> max_sclk_vddc; >> - } >> - if (max_mclk_vddci) { >> - if (ps->performance_levels[i].mclk > >> max_mclk_vddci) >> - ps->performance_levels[i].mclk = >> max_mclk_vddci; >> - } >> - if (max_mclk_vddc) { >> - if (ps->performance_levels[i].mclk > >> max_mclk_vddc) >> - ps->performance_levels[i].mclk = >> max_mclk_vddc; >> - } >> - } >> - >> /* XXX validate the min clocks required for display */ >> if (disable_mclk_switching) { > > -------------- next part -------------- A non-text attachment was scrubbed... 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