From e3a99cfd915c79a5e5026310d39fa37104a66b11 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Thu, 3 Dec 2015 14:16:01 +0800 Subject: [PATCH 0122/1110] drm/amd/powerplay: move shared function of vi to hwmgr. (v2) v2: agd: rebase on upstream Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu --- drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c | 6 - drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 336 +++++++++++++++++++++- drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 8 - drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 48 +++- 4 files changed, 379 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c index fec0789..94f404c 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c @@ -91,12 +91,6 @@ enum DPM_EVENT_SRC { DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4 /* Internal digital or external */ }; -enum DISPLAY_GAP { - DISPLAY_GAP_VBLANK_OR_WM = 0, /* Wait for vblank or MCHG watermark. */ - DISPLAY_GAP_VBLANK = 1, /* Wait for vblank. */ - DISPLAY_GAP_WATERMARK = 2, /* Wait for MCHG watermark. */ - DISPLAY_GAP_IGNORE = 3 /* Do not wait. */ -}; /* [2.5%,~2.5%] Clock stretched is multiple of 2.5% vs * not and [Fmin, Fmax, LDO_REFSEL, USE_FOR_LOW_FREQ] diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 618cc4d..ca4554b 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -27,9 +27,12 @@ #include "cgs_common.h" #include "power_state.h" #include "hwmgr.h" -#include "cz_hwmgr.h" -#include "tonga_hwmgr.h" +#include "pppcielanes.h" +#include "pp_debug.h" +#include "ppatomctrl.h" +extern int cz_hwmgr_init(struct pp_hwmgr *hwmgr); +extern int tonga_hwmgr_init(struct pp_hwmgr *hwmgr); extern int fiji_hwmgr_init(struct pp_hwmgr *hwmgr); int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) @@ -112,6 +115,7 @@ int hw_init_power_state_table(struct pp_hwmgr *hwmgr) for (i = 0; i < table_entries; i++) { result = hwmgr->hwmgr_func->get_pp_table_entry(hwmgr, i, state); + if (state->classification.flags & PP_StateClassificationFlag_Boot) { hwmgr->boot_ps = state; hwmgr->current_ps = hwmgr->request_ps = state; @@ -226,3 +230,331 @@ bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr) { return phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEPowerGating); } + + +int phm_trim_voltage_table(struct pp_atomctrl_voltage_table *vol_table) +{ + uint32_t i, j; + uint16_t vvalue; + bool found = false; + struct pp_atomctrl_voltage_table *table; + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "Voltage Table empty.", return -EINVAL); + + table = kzalloc(sizeof(struct pp_atomctrl_voltage_table), + GFP_KERNEL); + + if (NULL == table) + return -EINVAL; + + table->mask_low = vol_table->mask_low; + table->phase_delay = vol_table->phase_delay; + + for (i = 0; i < vol_table->count; i++) { + vvalue = vol_table->entries[i].value; + found = false; + + for (j = 0; j < table->count; j++) { + if (vvalue == table->entries[j].value) { + found = true; + break; + } + } + + if (!found) { + table->entries[table->count].value = vvalue; + table->entries[table->count].smio_low = + vol_table->entries[i].smio_low; + table->count++; + } + } + + memcpy(vol_table, table, sizeof(struct pp_atomctrl_voltage_table)); + kfree(table); + + return 0; +} + +int phm_get_svi2_mvdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, + phm_ppt_v1_clock_voltage_dependency_table *dep_table) +{ + uint32_t i; + int result; + + PP_ASSERT_WITH_CODE((0 != dep_table->count), + "Voltage Dependency Table empty.", return -EINVAL); + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "vol_table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + vol_table->count = dep_table->count; + + for (i = 0; i < dep_table->count; i++) { + vol_table->entries[i].value = dep_table->entries[i].mvdd; + vol_table->entries[i].smio_low = 0; + } + + result = phm_trim_voltage_table(vol_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim MVDD table.", return result); + + return 0; +} + +int phm_get_svi2_vddci_voltage_table(struct pp_atomctrl_voltage_table *vol_table, + phm_ppt_v1_clock_voltage_dependency_table *dep_table) +{ + uint32_t i; + int result; + + PP_ASSERT_WITH_CODE((0 != dep_table->count), + "Voltage Dependency Table empty.", return -EINVAL); + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "vol_table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + vol_table->count = dep_table->count; + + for (i = 0; i < dep_table->count; i++) { + vol_table->entries[i].value = dep_table->entries[i].vddci; + vol_table->entries[i].smio_low = 0; + } + + result = phm_trim_voltage_table(vol_table); + PP_ASSERT_WITH_CODE((0 == result), + "Failed to trim VDDCI table.", return result); + + return 0; +} + +int phm_get_svi2_vdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, + phm_ppt_v1_voltage_lookup_table *lookup_table) +{ + int i = 0; + + PP_ASSERT_WITH_CODE((0 != lookup_table->count), + "Voltage Lookup Table empty.", return -EINVAL); + + PP_ASSERT_WITH_CODE((NULL != vol_table), + "vol_table empty.", return -EINVAL); + + vol_table->mask_low = 0; + vol_table->phase_delay = 0; + + vol_table->count = lookup_table->count; + + for (i = 0; i < vol_table->count; i++) { + vol_table->entries[i].value = lookup_table->entries[i].us_vdd; + vol_table->entries[i].smio_low = 0; + } + + return 0; +} + +void phm_trim_voltage_table_to_fit_state_table(uint32_t max_vol_steps, + struct pp_atomctrl_voltage_table *vol_table) +{ + unsigned int i, diff; + + if (vol_table->count <= max_vol_steps) + return; + + diff = vol_table->count - max_vol_steps; + + for (i = 0; i < max_vol_steps; i++) + vol_table->entries[i] = vol_table->entries[i + diff]; + + vol_table->count = max_vol_steps; + + return; +} + +int phm_reset_single_dpm_table(void *table, + uint32_t count, int max) +{ + int i; + + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + + PP_ASSERT_WITH_CODE(count <= max, + "Fatal error, can not set up single DPM table entries to exceed max number!", + ); + + dpm_table->count = count; + for (i = 0; i < max; i++) + dpm_table->dpm_level[i].enabled = false; + + return 0; +} + +void phm_setup_pcie_table_entry( + void *table, + uint32_t index, uint32_t pcie_gen, + uint32_t pcie_lanes) +{ + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + dpm_table->dpm_level[index].value = pcie_gen; + dpm_table->dpm_level[index].param1 = pcie_lanes; + dpm_table->dpm_level[index].enabled = 1; +} + +int32_t phm_get_dpm_level_enable_mask_value(void *table) +{ + int32_t i; + int32_t mask = 0; + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + + for (i = dpm_table->count; i > 0; i--) { + mask = mask << 1; + if (dpm_table->dpm_level[i - 1].enabled) + mask |= 0x1; + else + mask &= 0xFFFFFFFE; + } + + return mask; +} + +uint8_t phm_get_voltage_index( + struct phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t voltage) +{ + uint8_t count = (uint8_t) (lookup_table->count); + uint8_t i; + + PP_ASSERT_WITH_CODE((NULL != lookup_table), + "Lookup Table empty.", return 0); + PP_ASSERT_WITH_CODE((0 != count), + "Lookup Table empty.", return 0); + + for (i = 0; i < lookup_table->count; i++) { + /* find first voltage equal or bigger than requested */ + if (lookup_table->entries[i].us_vdd >= voltage) + return i; + } + /* voltage is bigger than max voltage in the table */ + return i - 1; +} + +uint16_t phm_find_closest_vddci(struct pp_atomctrl_voltage_table *vddci_table, uint16_t vddci) +{ + uint32_t i; + + for (i = 0; i < vddci_table->count; i++) { + if (vddci_table->entries[i].value >= vddci) + return vddci_table->entries[i].value; + } + + PP_ASSERT_WITH_CODE(false, + "VDDCI is larger than max VDDCI in VDDCI Voltage Table!", + return vddci_table->entries[i].value); +} + +int phm_find_boot_level(void *table, + uint32_t value, uint32_t *boot_level) +{ + int result = -EINVAL; + uint32_t i; + struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table; + + for (i = 0; i < dpm_table->count; i++) { + if (value == dpm_table->dpm_level[i].value) { + *boot_level = i; + result = 0; + } + } + + return result; +} + +int phm_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, + phm_ppt_v1_voltage_lookup_table *lookup_table, + uint16_t virtual_voltage_id, int32_t *sclk) +{ + uint8_t entryId; + uint8_t voltageId; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + PP_ASSERT_WITH_CODE(lookup_table->count != 0, "Lookup table is empty", return -EINVAL); + + /* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */ + for (entryId = 0; entryId < table_info->vdd_dep_on_sclk->count; entryId++) { + voltageId = table_info->vdd_dep_on_sclk->entries[entryId].vddInd; + if (lookup_table->entries[voltageId].us_vdd == virtual_voltage_id) + break; + } + + PP_ASSERT_WITH_CODE(entryId < table_info->vdd_dep_on_sclk->count, + "Can't find requested voltage id in vdd_dep_on_sclk table!", + return -EINVAL; + ); + + *sclk = table_info->vdd_dep_on_sclk->entries[entryId].clk; + + return 0; +} + +/** + * Initialize Dynamic State Adjustment Rule Settings + * + * @param hwmgr the address of the powerplay hardware manager. + */ +int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr) +{ + uint32_t table_size; + struct phm_clock_voltage_dependency_table *table_clk_vlt; + struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable); + + /* initialize vddc_dep_on_dal_pwrl table */ + table_size = sizeof(uint32_t) + 4 * sizeof(struct phm_clock_voltage_dependency_record); + table_clk_vlt = (struct phm_clock_voltage_dependency_table *)kzalloc(table_size, GFP_KERNEL); + + if (NULL == table_clk_vlt) { + printk(KERN_ERR "[ powerplay ] Can not allocate space for vddc_dep_on_dal_pwrl! \n"); + return -ENOMEM; + } else { + table_clk_vlt->count = 4; + table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW; + table_clk_vlt->entries[0].v = 0; + table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW; + table_clk_vlt->entries[1].v = 720; + table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL; + table_clk_vlt->entries[2].v = 810; + table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE; + table_clk_vlt->entries[3].v = 900; + pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; + } + + return 0; +} + +int phm_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) { + kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl); + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; + } + + if (NULL != hwmgr->backend) { + kfree(hwmgr->backend); + hwmgr->backend = NULL; + } + + return 0; +} + +uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask) +{ + uint32_t level = 0; + + while (0 == (mask & (1 << level))) + level++; + + return level; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c index 4ef06ec..a9fb42a 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c @@ -110,14 +110,6 @@ enum DPM_EVENT_SRC { }; typedef enum DPM_EVENT_SRC DPM_EVENT_SRC; -enum DISPLAY_GAP { - DISPLAY_GAP_VBLANK_OR_WM = 0, /* Wait for vblank or MCHG watermark. */ - DISPLAY_GAP_VBLANK = 1, /* Wait for vblank. */ - DISPLAY_GAP_WATERMARK = 2, /* Wait for MCHG watermark. (Note that HW may deassert WM in VBI depending on DC_STUTTER_CNTL.) */ - DISPLAY_GAP_IGNORE = 3 /* Do not wait. */ -}; -typedef enum DISPLAY_GAP DISPLAY_GAP; - const unsigned long PhwTonga_Magic = (unsigned long)(PHM_VIslands_Magic); struct tonga_power_state *cast_phw_tonga_power_state( diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index 238d162..ec871eb 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -29,6 +29,8 @@ #include "hardwaremanager.h" #include "pp_power_source.h" #include "hwmgr_ppt.h" +#include "ppatomctrl.h" +#include "hwmgr_ppt.h" struct pp_instance; struct pp_hwmgr; @@ -36,6 +38,28 @@ struct pp_hw_power_state; struct pp_power_state; struct PP_VCEState; struct phm_fan_speed_info; +struct pp_atomctrl_voltage_table; + + +enum DISPLAY_GAP { + DISPLAY_GAP_VBLANK_OR_WM = 0, /* Wait for vblank or MCHG watermark. */ + DISPLAY_GAP_VBLANK = 1, /* Wait for vblank. */ + DISPLAY_GAP_WATERMARK = 2, /* Wait for MCHG watermark. (Note that HW may deassert WM in VBI depending on DC_STUTTER_CNTL.) */ + DISPLAY_GAP_IGNORE = 3 /* Do not wait. */ +}; +typedef enum DISPLAY_GAP DISPLAY_GAP; + + +struct vi_dpm_level { + bool enabled; + uint32_t value; + uint32_t param1; +}; + +struct vi_dpm_table { + uint32_t count; + struct vi_dpm_level dpm_level[1]; +}; enum PP_Result { PP_Result_TableImmediateExit = 0x13, @@ -628,9 +652,27 @@ extern void phm_wait_for_indirect_register_unequal( uint32_t value, uint32_t mask); -bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr); -bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr); -bool phm_cf_want_microcode_fan_ctrl(struct pp_hwmgr *hwmgr); +extern bool phm_cf_want_uvd_power_gating(struct pp_hwmgr *hwmgr); +extern bool phm_cf_want_vce_power_gating(struct pp_hwmgr *hwmgr); +extern bool phm_cf_want_microcode_fan_ctrl(struct pp_hwmgr *hwmgr); + +extern int phm_trim_voltage_table(struct pp_atomctrl_voltage_table *vol_table); +extern int phm_get_svi2_mvdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, phm_ppt_v1_clock_voltage_dependency_table *dep_table); +extern int phm_get_svi2_vddci_voltage_table(struct pp_atomctrl_voltage_table *vol_table, phm_ppt_v1_clock_voltage_dependency_table *dep_table); +extern int phm_get_svi2_vdd_voltage_table(struct pp_atomctrl_voltage_table *vol_table, phm_ppt_v1_voltage_lookup_table *lookup_table); +extern void phm_trim_voltage_table_to_fit_state_table(uint32_t max_vol_steps, struct pp_atomctrl_voltage_table *vol_table); +extern int phm_reset_single_dpm_table(void *table, uint32_t count, int max); +extern void phm_setup_pcie_table_entry(void *table, uint32_t index, uint32_t pcie_gen, uint32_t pcie_lanes); +extern int32_t phm_get_dpm_level_enable_mask_value(void *table); +extern uint8_t phm_get_voltage_index(struct phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t voltage); +extern uint16_t phm_find_closest_vddci(struct pp_atomctrl_voltage_table *vddci_table, uint16_t vddci); +extern int phm_find_boot_level(void *table, uint32_t value, uint32_t *boot_level); +extern int phm_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, phm_ppt_v1_voltage_lookup_table *lookup_table, + uint16_t virtual_voltage_id, int32_t *sclk); +extern int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr); +extern int phm_hwmgr_backend_fini(struct pp_hwmgr *hwmgr); +extern uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask); + #define PHM_ENTIRE_REGISTER_MASK 0xFFFFFFFFU -- 2.7.4