| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alex Deucher | 10794 | 99.94% | 17 | 85.00% |
| Sam Ravnborg | 4 | 0.04% | 1 | 5.00% |
| Michele Curti | 2 | 0.02% | 1 | 5.00% |
| Thomas Zimmermann | 1 | 0.01% | 1 | 5.00% |
| Total | 10801 | 20 |
/* * Copyright 2011 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Alex Deucher */ #include <linux/pci.h> #include "atom.h" #include "cypress_dpm.h" #include "evergreend.h" #include "r600_dpm.h" #include "radeon.h" #include "radeon_asic.h" #define SMC_RAM_END 0x8000 #define MC_CG_ARB_FREQ_F0 0x0a #define MC_CG_ARB_FREQ_F1 0x0b #define MC_CG_ARB_FREQ_F2 0x0c #define MC_CG_ARB_FREQ_F3 0x0d #define MC_CG_SEQ_DRAMCONF_S0 0x05 #define MC_CG_SEQ_DRAMCONF_S1 0x06 #define MC_CG_SEQ_YCLK_SUSPEND 0x04 #define MC_CG_SEQ_YCLK_RESUME 0x0a struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps); struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev); struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev); static void cypress_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u32 tmp, bif; tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); if (enable) { if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) && (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) { if (!pi->boot_in_gen2) { bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK; bif |= CG_CLIENT_REQ(0xd); WREG32(CG_BIF_REQ_AND_RSP, bif); tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK; tmp |= LC_HW_VOLTAGE_IF_CONTROL(1); tmp |= LC_GEN2_EN_STRAP; tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT; WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); udelay(10); tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); } } } else { if (!pi->boot_in_gen2) { tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK; tmp &= ~LC_GEN2_EN_STRAP; } if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) || (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); } } static void cypress_enable_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable) { cypress_enable_bif_dynamic_pcie_gen2(rdev, enable); if (enable) WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE); else WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE); } #if 0 static int cypress_enter_ulp_state(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); if (pi->gfx_clock_gating) { WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); RREG32(GB_ADDR_CONFIG); } WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower), ~HOST_SMC_MSG_MASK); udelay(7000); return 0; } #endif static void cypress_gfx_clock_gating_enable(struct radeon_device *rdev, bool enable) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); if (enable) { if (eg_pi->light_sleep) { WREG32(GRBM_GFX_INDEX, 0xC0000000); WREG32_CG(CG_CGLS_TILE_0, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_1, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_2, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_3, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_4, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_5, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_6, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_7, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_8, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_9, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_10, 0xFFFFFFFF); WREG32_CG(CG_CGLS_TILE_11, 0xFFFFFFFF); WREG32_P(SCLK_PWRMGT_CNTL, DYN_LIGHT_SLEEP_EN, ~DYN_LIGHT_SLEEP_EN); } WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN); } else { WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); RREG32(GB_ADDR_CONFIG); if (eg_pi->light_sleep) { WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_LIGHT_SLEEP_EN); WREG32(GRBM_GFX_INDEX, 0xC0000000); WREG32_CG(CG_CGLS_TILE_0, 0); WREG32_CG(CG_CGLS_TILE_1, 0); WREG32_CG(CG_CGLS_TILE_2, 0); WREG32_CG(CG_CGLS_TILE_3, 0); WREG32_CG(CG_CGLS_TILE_4, 0); WREG32_CG(CG_CGLS_TILE_5, 0); WREG32_CG(CG_CGLS_TILE_6, 0); WREG32_CG(CG_CGLS_TILE_7, 0); WREG32_CG(CG_CGLS_TILE_8, 0); WREG32_CG(CG_CGLS_TILE_9, 0); WREG32_CG(CG_CGLS_TILE_10, 0); WREG32_CG(CG_CGLS_TILE_11, 0); } } } static void cypress_mg_clock_gating_enable(struct radeon_device *rdev, bool enable) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); if (enable) { u32 cgts_sm_ctrl_reg; if (rdev->family == CHIP_CEDAR) cgts_sm_ctrl_reg = CEDAR_MGCGCGTSSMCTRL_DFLT; else if (rdev->family == CHIP_REDWOOD) cgts_sm_ctrl_reg = REDWOOD_MGCGCGTSSMCTRL_DFLT; else cgts_sm_ctrl_reg = CYPRESS_MGCGCGTSSMCTRL_DFLT; WREG32(GRBM_GFX_INDEX, 0xC0000000); WREG32_CG(CG_CGTT_LOCAL_0, CYPRESS_MGCGTTLOCAL0_DFLT); WREG32_CG(CG_CGTT_LOCAL_1, CYPRESS_MGCGTTLOCAL1_DFLT & 0xFFFFCFFF); WREG32_CG(CG_CGTT_LOCAL_2, CYPRESS_MGCGTTLOCAL2_DFLT); WREG32_CG(CG_CGTT_LOCAL_3, CYPRESS_MGCGTTLOCAL3_DFLT); if (pi->mgcgtssm) WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); if (eg_pi->mcls) { WREG32_P(MC_CITF_MISC_RD_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(MC_CITF_MISC_WR_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(MC_CITF_MISC_VM_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(MC_HUB_MISC_HUB_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(MC_HUB_MISC_VM_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(MC_HUB_MISC_SIP_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(MC_XPB_CLK_GAT, MEM_LS_ENABLE, ~MEM_LS_ENABLE); WREG32_P(VM_L2_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); } } else { WREG32(GRBM_GFX_INDEX, 0xC0000000); WREG32_CG(CG_CGTT_LOCAL_0, 0xFFFFFFFF); WREG32_CG(CG_CGTT_LOCAL_1, 0xFFFFFFFF); WREG32_CG(CG_CGTT_LOCAL_2, 0xFFFFFFFF); WREG32_CG(CG_CGTT_LOCAL_3, 0xFFFFFFFF); if (pi->mgcgtssm) WREG32(CGTS_SM_CTRL_REG, 0x81f44bc0); } } void cypress_enable_spread_spectrum(struct radeon_device *rdev, bool enable) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); if (enable) { if (pi->sclk_ss) WREG32_P(GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, ~DYN_SPREAD_SPECTRUM_EN); if (pi->mclk_ss) WREG32_P(MPLL_CNTL_MODE, SS_SSEN, ~SS_SSEN); } else { WREG32_P(CG_SPLL_SPREAD_SPECTRUM, 0, ~SSEN); WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN); WREG32_P(MPLL_CNTL_MODE, 0, ~SS_SSEN); WREG32_P(MPLL_CNTL_MODE, 0, ~SS_DSMODE_EN); } } void cypress_start_dpm(struct radeon_device *rdev) { WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN); } void cypress_enable_sclk_control(struct radeon_device *rdev, bool enable) { if (enable) WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF); else WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF); } void cypress_enable_mclk_control(struct radeon_device *rdev, bool enable) { if (enable) WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF); else WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF); } int cypress_notify_smc_display_change(struct radeon_device *rdev, bool has_display) { PPSMC_Msg msg = has_display ? (PPSMC_Msg)PPSMC_MSG_HasDisplay : (PPSMC_Msg)PPSMC_MSG_NoDisplay; if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK) return -EINVAL; return 0; } void cypress_program_response_times(struct radeon_device *rdev) { u32 reference_clock; u32 mclk_switch_limit; reference_clock = radeon_get_xclk(rdev); mclk_switch_limit = (460 * reference_clock) / 100; rv770_write_smc_soft_register(rdev, RV770_SMC_SOFT_REGISTER_mclk_switch_lim, mclk_switch_limit); rv770_write_smc_soft_register(rdev, RV770_SMC_SOFT_REGISTER_mvdd_chg_time, 1); rv770_write_smc_soft_register(rdev, RV770_SMC_SOFT_REGISTER_mc_block_delay, 0xAA); rv770_program_response_times(rdev); if (ASIC_IS_LOMBOK(rdev)) rv770_write_smc_soft_register(rdev, RV770_SMC_SOFT_REGISTER_is_asic_lombok, 1); } static int cypress_pcie_performance_request(struct radeon_device *rdev, u8 perf_req, bool advertise) { #if defined(CONFIG_ACPI) struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); #endif u32 tmp; udelay(10); tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) && (tmp & LC_CURRENT_DATA_RATE)) return 0; #if defined(CONFIG_ACPI) if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) || (perf_req == PCIE_PERF_REQ_PECI_GEN2)) { eg_pi->pcie_performance_request_registered = true; return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise); } else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) && eg_pi->pcie_performance_request_registered) { eg_pi->pcie_performance_request_registered = false; return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise); } #endif return 0; } void cypress_advertise_gen2_capability(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u32 tmp; #if defined(CONFIG_ACPI) radeon_acpi_pcie_notify_device_ready(rdev); #endif tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) && (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) pi->pcie_gen2 = true; else pi->pcie_gen2 = false; if (!pi->pcie_gen2) cypress_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true); } static enum radeon_pcie_gen cypress_get_maximum_link_speed(struct radeon_ps *radeon_state) { struct rv7xx_ps *state = rv770_get_ps(radeon_state); if (state->high.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) return 1; return 0; } void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev, struct radeon_ps *radeon_new_state, struct radeon_ps *radeon_current_state) { enum radeon_pcie_gen pcie_link_speed_target = cypress_get_maximum_link_speed(radeon_new_state); enum radeon_pcie_gen pcie_link_speed_current = cypress_get_maximum_link_speed(radeon_current_state); u8 request; if (pcie_link_speed_target < pcie_link_speed_current) { if (pcie_link_speed_target == RADEON_PCIE_GEN1) request = PCIE_PERF_REQ_PECI_GEN1; else if (pcie_link_speed_target == RADEON_PCIE_GEN2) request = PCIE_PERF_REQ_PECI_GEN2; else request = PCIE_PERF_REQ_PECI_GEN3; cypress_pcie_performance_request(rdev, request, false); } } void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev, struct radeon_ps *radeon_new_state, struct radeon_ps *radeon_current_state) { enum radeon_pcie_gen pcie_link_speed_target = cypress_get_maximum_link_speed(radeon_new_state); enum radeon_pcie_gen pcie_link_speed_current = cypress_get_maximum_link_speed(radeon_current_state); u8 request; if (pcie_link_speed_target > pcie_link_speed_current) { if (pcie_link_speed_target == RADEON_PCIE_GEN1) request = PCIE_PERF_REQ_PECI_GEN1; else if (pcie_link_speed_target == RADEON_PCIE_GEN2) request = PCIE_PERF_REQ_PECI_GEN2; else request = PCIE_PERF_REQ_PECI_GEN3; cypress_pcie_performance_request(rdev, request, false); } } static int cypress_populate_voltage_value(struct radeon_device *rdev, struct atom_voltage_table *table, u16 value, RV770_SMC_VOLTAGE_VALUE *voltage) { unsigned int i; for (i = 0; i < table->count; i++) { if (value <= table->entries[i].value) { voltage->index = (u8)i; voltage->value = cpu_to_be16(table->entries[i].value); break; } } if (i == table->count) return -EINVAL; return 0; } u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u8 result = 0; bool strobe_mode = false; if (pi->mem_gddr5) { if (mclk <= pi->mclk_strobe_mode_threshold) strobe_mode = true; result = cypress_get_mclk_frequency_ratio(rdev, mclk, strobe_mode); if (strobe_mode) result |= SMC_STROBE_ENABLE; } return result; } u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf) { u32 ref_clk = rdev->clock.mpll.reference_freq; u32 vco = clkf * ref_clk; /* 100 Mhz ref clk */ if (ref_clk == 10000) { if (vco > 500000) return 0xC6; if (vco > 400000) return 0x9D; if (vco > 330000) return 0x6C; if (vco > 250000) return 0x2B; if (vco > 160000) return 0x5B; if (vco > 120000) return 0x0A; return 0x4B; } /* 27 Mhz ref clk */ if (vco > 250000) return 0x8B; if (vco > 200000) return 0xCC; if (vco > 150000) return 0x9B; return 0x6B; } static int cypress_populate_mclk_value(struct radeon_device *rdev, u32 engine_clock, u32 memory_clock, RV7XX_SMC_MCLK_VALUE *mclk, bool strobe_mode, bool dll_state_on) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u32 mpll_ad_func_cntl = pi->clk_regs.rv770.mpll_ad_func_cntl; u32 mpll_ad_func_cntl_2 = pi->clk_regs.rv770.mpll_ad_func_cntl_2; u32 mpll_dq_func_cntl = pi->clk_regs.rv770.mpll_dq_func_cntl; u32 mpll_dq_func_cntl_2 = pi->clk_regs.rv770.mpll_dq_func_cntl_2; u32 mclk_pwrmgt_cntl = pi->clk_regs.rv770.mclk_pwrmgt_cntl; u32 dll_cntl = pi->clk_regs.rv770.dll_cntl; u32 mpll_ss1 = pi->clk_regs.rv770.mpll_ss1; u32 mpll_ss2 = pi->clk_regs.rv770.mpll_ss2; struct atom_clock_dividers dividers; u32 ibias; u32 dll_speed; int ret; u32 mc_seq_misc7; ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM, memory_clock, strobe_mode, ÷rs); if (ret) return ret; if (!strobe_mode) { mc_seq_misc7 = RREG32(MC_SEQ_MISC7); if(mc_seq_misc7 & 0x8000000) dividers.post_div = 1; } ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div); mpll_ad_func_cntl &= ~(CLKR_MASK | YCLK_POST_DIV_MASK | CLKF_MASK | CLKFRAC_MASK | IBIAS_MASK); mpll_ad_func_cntl |= CLKR(dividers.ref_div); mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div); mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div); mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div); mpll_ad_func_cntl |= IBIAS(ibias); if (dividers.vco_mode) mpll_ad_func_cntl_2 |= VCO_MODE; else mpll_ad_func_cntl_2 &= ~VCO_MODE; if (pi->mem_gddr5) { mpll_dq_func_cntl &= ~(CLKR_MASK | YCLK_POST_DIV_MASK | CLKF_MASK | CLKFRAC_MASK | IBIAS_MASK); mpll_dq_func_cntl |= CLKR(dividers.ref_div); mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div); mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div); mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div); mpll_dq_func_cntl |= IBIAS(ibias); if (strobe_mode) mpll_dq_func_cntl &= ~PDNB; else mpll_dq_func_cntl |= PDNB; if (dividers.vco_mode) mpll_dq_func_cntl_2 |= VCO_MODE; else mpll_dq_func_cntl_2 &= ~VCO_MODE; } if (pi->mclk_ss) { struct radeon_atom_ss ss; u32 vco_freq = memory_clock * dividers.post_div; if (radeon_atombios_get_asic_ss_info(rdev, &ss, ASIC_INTERNAL_MEMORY_SS, vco_freq)) { u32 reference_clock = rdev->clock.mpll.reference_freq; u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); u32 clk_v = ss.percentage * (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625); mpll_ss1 &= ~CLKV_MASK; mpll_ss1 |= CLKV(clk_v); mpll_ss2 &= ~CLKS_MASK; mpll_ss2 |= CLKS(clk_s); } } dll_speed = rv740_get_dll_speed(pi->mem_gddr5, memory_clock); mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK; mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed); if (dll_state_on) mclk_pwrmgt_cntl |= (MRDCKA0_PDNB | MRDCKA1_PDNB | MRDCKB0_PDNB | MRDCKB1_PDNB | MRDCKC0_PDNB | MRDCKC1_PDNB | MRDCKD0_PDNB | MRDCKD1_PDNB); else mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB | MRDCKA1_PDNB | MRDCKB0_PDNB | MRDCKB1_PDNB | MRDCKC0_PDNB | MRDCKC1_PDNB | MRDCKD0_PDNB | MRDCKD1_PDNB); mclk->mclk770.mclk_value = cpu_to_be32(memory_clock); mclk->mclk770.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl); mclk->mclk770.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2); mclk->mclk770.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl); mclk->mclk770.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2); mclk->mclk770.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl); mclk->mclk770.vDLL_CNTL = cpu_to_be32(dll_cntl); mclk->mclk770.vMPLL_SS = cpu_to_be32(mpll_ss1); mclk->mclk770.vMPLL_SS2 = cpu_to_be32(mpll_ss2); return 0; } u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev, u32 memory_clock, bool strobe_mode) { u8 mc_para_index; if (rdev->family >= CHIP_BARTS) { if (strobe_mode) { if (memory_clock < 10000) mc_para_index = 0x00; else if (memory_clock > 47500) mc_para_index = 0x0f; else mc_para_index = (u8)((memory_clock - 10000) / 2500); } else { if (memory_clock < 65000) mc_para_index = 0x00; else if (memory_clock > 135000) mc_para_index = 0x0f; else mc_para_index = (u8)((memory_clock - 60000) / 5000); } } else { if (strobe_mode) { if (memory_clock < 10000) mc_para_index = 0x00; else if (memory_clock > 47500) mc_para_index = 0x0f; else mc_para_index = (u8)((memory_clock - 10000) / 2500); } else { if (memory_clock < 40000) mc_para_index = 0x00; else if (memory_clock > 115000) mc_para_index = 0x0f; else mc_para_index = (u8)((memory_clock - 40000) / 5000); } } return mc_para_index; } static int cypress_populate_mvdd_value(struct radeon_device *rdev, u32 mclk, RV770_SMC_VOLTAGE_VALUE *voltage) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); if (!pi->mvdd_control) { voltage->index = eg_pi->mvdd_high_index; voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); return 0; } if (mclk <= pi->mvdd_split_frequency) { voltage->index = eg_pi->mvdd_low_index; voltage->value = cpu_to_be16(MVDD_LOW_VALUE); } else { voltage->index = eg_pi->mvdd_high_index; voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); } return 0; } int cypress_convert_power_level_to_smc(struct radeon_device *rdev, struct rv7xx_pl *pl, RV770_SMC_HW_PERFORMANCE_LEVEL *level, u8 watermark_level) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); int ret; bool dll_state_on; level->gen2PCIE = pi->pcie_gen2 ? ((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0; level->gen2XSP = (pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0; level->backbias = (pl->flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? 1 : 0; level->displayWatermark = watermark_level; ret = rv740_populate_sclk_value(rdev, pl->sclk, &level->sclk); if (ret) return ret; level->mcFlags = 0; if (pi->mclk_stutter_mode_threshold && (pl->mclk <= pi->mclk_stutter_mode_threshold) && !eg_pi->uvd_enabled) { level->mcFlags |= SMC_MC_STUTTER_EN; if (eg_pi->sclk_deep_sleep) level->stateFlags |= PPSMC_STATEFLAG_AUTO_PULSE_SKIP; else level->stateFlags &= ~PPSMC_STATEFLAG_AUTO_PULSE_SKIP; } if (pi->mem_gddr5) { if (pl->mclk > pi->mclk_edc_enable_threshold) level->mcFlags |= SMC_MC_EDC_RD_FLAG; if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold) level->mcFlags |= SMC_MC_EDC_WR_FLAG; level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk); if (level->strobeMode & SMC_STROBE_ENABLE) { if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >= ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf)) dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false; else dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false; } else dll_state_on = eg_pi->dll_default_on; ret = cypress_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, (level->strobeMode & SMC_STROBE_ENABLE) != 0, dll_state_on); } else { ret = cypress_populate_mclk_value(rdev, pl->sclk, pl->mclk, &level->mclk, true, true); } if (ret) return ret; ret = cypress_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table, pl->vddc, &level->vddc); if (ret) return ret; if (eg_pi->vddci_control) { ret = cypress_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table, pl->vddci, &level->vddci); if (ret) return ret; } ret = cypress_populate_mvdd_value(rdev, pl->mclk, &level->mvdd); return ret; } static int cypress_convert_power_state_to_smc(struct radeon_device *rdev, struct radeon_ps *radeon_state, RV770_SMC_SWSTATE *smc_state) { struct rv7xx_ps *state = rv770_get_ps(radeon_state); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); int ret; if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC)) smc_state->flags |= PPSMC_SWSTATE_FLAG_DC; ret = cypress_convert_power_level_to_smc(rdev, &state->low, &smc_state->levels[0], PPSMC_DISPLAY_WATERMARK_LOW); if (ret) return ret; ret = cypress_convert_power_level_to_smc(rdev, &state->medium, &smc_state->levels[1], PPSMC_DISPLAY_WATERMARK_LOW); if (ret) return ret; ret = cypress_convert_power_level_to_smc(rdev, &state->high, &smc_state->levels[2], PPSMC_DISPLAY_WATERMARK_HIGH); if (ret) return ret; smc_state->levels[0].arbValue = MC_CG_ARB_FREQ_F1; smc_state->levels[1].arbValue = MC_CG_ARB_FREQ_F2; smc_state->levels[2].arbValue = MC_CG_ARB_FREQ_F3; if (eg_pi->dynamic_ac_timing) { smc_state->levels[0].ACIndex = 2; smc_state->levels[1].ACIndex = 3; smc_state->levels[2].ACIndex = 4; } else { smc_state->levels[0].ACIndex = 0; smc_state->levels[1].ACIndex = 0; smc_state->levels[2].ACIndex = 0; } rv770_populate_smc_sp(rdev, radeon_state, smc_state); return rv770_populate_smc_t(rdev, radeon_state, smc_state); } static void cypress_convert_mc_registers(struct evergreen_mc_reg_entry *entry, SMC_Evergreen_MCRegisterSet *data, u32 num_entries, u32 valid_flag) { u32 i, j; for (i = 0, j = 0; j < num_entries; j++) { if (valid_flag & (1 << j)) { data->value[i] = cpu_to_be32(entry->mc_data[j]); i++; } } } static void cypress_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev, struct rv7xx_pl *pl, SMC_Evergreen_MCRegisterSet *mc_reg_table_data) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 i = 0; for (i = 0; i < eg_pi->mc_reg_table.num_entries; i++) { if (pl->mclk <= eg_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max) break; } if ((i == eg_pi->mc_reg_table.num_entries) && (i > 0)) --i; cypress_convert_mc_registers(&eg_pi->mc_reg_table.mc_reg_table_entry[i], mc_reg_table_data, eg_pi->mc_reg_table.last, eg_pi->mc_reg_table.valid_flag); } static void cypress_convert_mc_reg_table_to_smc(struct radeon_device *rdev, struct radeon_ps *radeon_state, SMC_Evergreen_MCRegisters *mc_reg_table) { struct rv7xx_ps *state = rv770_get_ps(radeon_state); cypress_convert_mc_reg_table_entry_to_smc(rdev, &state->low, &mc_reg_table->data[2]); cypress_convert_mc_reg_table_entry_to_smc(rdev, &state->medium, &mc_reg_table->data[3]); cypress_convert_mc_reg_table_entry_to_smc(rdev, &state->high, &mc_reg_table->data[4]); } int cypress_upload_sw_state(struct radeon_device *rdev, struct radeon_ps *radeon_new_state) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u16 address = pi->state_table_start + offsetof(RV770_SMC_STATETABLE, driverState); RV770_SMC_SWSTATE state = { 0 }; int ret; ret = cypress_convert_power_state_to_smc(rdev, radeon_new_state, &state); if (ret) return ret; return rv770_copy_bytes_to_smc(rdev, address, (u8 *)&state, sizeof(RV770_SMC_SWSTATE), pi->sram_end); } int cypress_upload_mc_reg_table(struct radeon_device *rdev, struct radeon_ps *radeon_new_state) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); SMC_Evergreen_MCRegisters mc_reg_table = { 0 }; u16 address; cypress_convert_mc_reg_table_to_smc(rdev, radeon_new_state, &mc_reg_table); address = eg_pi->mc_reg_table_start + (u16)offsetof(SMC_Evergreen_MCRegisters, data[2]); return rv770_copy_bytes_to_smc(rdev, address, (u8 *)&mc_reg_table.data[2], sizeof(SMC_Evergreen_MCRegisterSet) * 3, pi->sram_end); } u32 cypress_calculate_burst_time(struct radeon_device *rdev, u32 engine_clock, u32 memory_clock) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u32 multiplier = pi->mem_gddr5 ? 1 : 2; u32 result = (4 * multiplier * engine_clock) / (memory_clock / 2); u32 burst_time; if (result <= 4) burst_time = 0; else if (result < 8) burst_time = result - 4; else { burst_time = result / 2 ; if (burst_time > 18) burst_time = 18; } return burst_time; } void cypress_program_memory_timing_parameters(struct radeon_device *rdev, struct radeon_ps *radeon_new_state) { struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state); u32 mc_arb_burst_time = RREG32(MC_ARB_BURST_TIME); mc_arb_burst_time &= ~(STATE1_MASK | STATE2_MASK | STATE3_MASK); mc_arb_burst_time |= STATE1(cypress_calculate_burst_time(rdev, new_state->low.sclk, new_state->low.mclk)); mc_arb_burst_time |= STATE2(cypress_calculate_burst_time(rdev, new_state->medium.sclk, new_state->medium.mclk)); mc_arb_burst_time |= STATE3(cypress_calculate_burst_time(rdev, new_state->high.sclk, new_state->high.mclk)); rv730_program_memory_timing_parameters(rdev, radeon_new_state); WREG32(MC_ARB_BURST_TIME, mc_arb_burst_time); } static void cypress_populate_mc_reg_addresses(struct radeon_device *rdev, SMC_Evergreen_MCRegisters *mc_reg_table) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 i, j; for (i = 0, j = 0; j < eg_pi->mc_reg_table.last; j++) { if (eg_pi->mc_reg_table.valid_flag & (1 << j)) { mc_reg_table->address[i].s0 = cpu_to_be16(eg_pi->mc_reg_table.mc_reg_address[j].s0); mc_reg_table->address[i].s1 = cpu_to_be16(eg_pi->mc_reg_table.mc_reg_address[j].s1); i++; } } mc_reg_table->last = (u8)i; } static void cypress_set_mc_reg_address_table(struct radeon_device *rdev) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 i = 0; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RAS_TIMING_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RAS_TIMING >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_CAS_TIMING_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_CAS_TIMING >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC_TIMING_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC_TIMING >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC_TIMING2_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC_TIMING2 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RD_CTL_D0_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RD_CTL_D0 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RD_CTL_D1_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RD_CTL_D1 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_WR_CTL_D0_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_WR_CTL_D0 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_WR_CTL_D1_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_WR_CTL_D1 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_EMRS >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_MRS >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_MRS1 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC1 >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC1 >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RESERVE_M >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RESERVE_M >> 2; i++; eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC3 >> 2; eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC3 >> 2; i++; eg_pi->mc_reg_table.last = (u8)i; } static void cypress_retrieve_ac_timing_for_one_entry(struct radeon_device *rdev, struct evergreen_mc_reg_entry *entry) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 i; for (i = 0; i < eg_pi->mc_reg_table.last; i++) entry->mc_data[i] = RREG32(eg_pi->mc_reg_table.mc_reg_address[i].s1 << 2); } static void cypress_retrieve_ac_timing_for_all_ranges(struct radeon_device *rdev, struct atom_memory_clock_range_table *range_table) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 i, j; for (i = 0; i < range_table->num_entries; i++) { eg_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max = range_table->mclk[i]; radeon_atom_set_ac_timing(rdev, range_table->mclk[i]); cypress_retrieve_ac_timing_for_one_entry(rdev, &eg_pi->mc_reg_table.mc_reg_table_entry[i]); } eg_pi->mc_reg_table.num_entries = range_table->num_entries; eg_pi->mc_reg_table.valid_flag = 0; for (i = 0; i < eg_pi->mc_reg_table.last; i++) { for (j = 1; j < range_table->num_entries; j++) { if (eg_pi->mc_reg_table.mc_reg_table_entry[j-1].mc_data[i] != eg_pi->mc_reg_table.mc_reg_table_entry[j].mc_data[i]) { eg_pi->mc_reg_table.valid_flag |= (1 << i); break; } } } } static int cypress_initialize_mc_reg_table(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u8 module_index = rv770_get_memory_module_index(rdev); struct atom_memory_clock_range_table range_table = { 0 }; int ret; ret = radeon_atom_get_mclk_range_table(rdev, pi->mem_gddr5, module_index, &range_table); if (ret) return ret; cypress_retrieve_ac_timing_for_all_ranges(rdev, &range_table); return 0; } static void cypress_wait_for_mc_sequencer(struct radeon_device *rdev, u8 value) { u32 i, j; u32 channels = 2; if ((rdev->family == CHIP_CYPRESS) || (rdev->family == CHIP_HEMLOCK)) channels = 4; else if (rdev->family == CHIP_CEDAR) channels = 1; for (i = 0; i < channels; i++) { if ((rdev->family == CHIP_CYPRESS) || (rdev->family == CHIP_HEMLOCK)) { WREG32_P(MC_CONFIG_MCD, MC_RD_ENABLE_MCD(i), ~MC_RD_ENABLE_MCD_MASK); WREG32_P(MC_CG_CONFIG_MCD, MC_RD_ENABLE_MCD(i), ~MC_RD_ENABLE_MCD_MASK); } else { WREG32_P(MC_CONFIG, MC_RD_ENABLE(i), ~MC_RD_ENABLE_MASK); WREG32_P(MC_CG_CONFIG, MC_RD_ENABLE(i), ~MC_RD_ENABLE_MASK); } for (j = 0; j < rdev->usec_timeout; j++) { if (((RREG32(MC_SEQ_CG) & CG_SEQ_RESP_MASK) >> CG_SEQ_RESP_SHIFT) == value) break; udelay(1); } } } static void cypress_force_mc_use_s1(struct radeon_device *rdev, struct radeon_ps *radeon_boot_state) { struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); u32 strobe_mode; u32 mc_seq_cg; int i; if (RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE) return; radeon_atom_set_ac_timing(rdev, boot_state->low.mclk); radeon_mc_wait_for_idle(rdev); if ((rdev->family == CHIP_CYPRESS) || (rdev->family == CHIP_HEMLOCK)) { WREG32(MC_CONFIG_MCD, 0xf); WREG32(MC_CG_CONFIG_MCD, 0xf); } else { WREG32(MC_CONFIG, 0xf); WREG32(MC_CG_CONFIG, 0xf); } for (i = 0; i < rdev->num_crtc; i++) radeon_wait_for_vblank(rdev, i); WREG32(MC_SEQ_CG, MC_CG_SEQ_YCLK_SUSPEND); cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_SUSPEND); strobe_mode = cypress_get_strobe_mode_settings(rdev, boot_state->low.mclk); mc_seq_cg = CG_SEQ_REQ(MC_CG_SEQ_DRAMCONF_S1); mc_seq_cg |= SEQ_CG_RESP(strobe_mode); WREG32(MC_SEQ_CG, mc_seq_cg); for (i = 0; i < rdev->usec_timeout; i++) { if (RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE) break; udelay(1); } mc_seq_cg &= ~CG_SEQ_REQ_MASK; mc_seq_cg |= CG_SEQ_REQ(MC_CG_SEQ_YCLK_RESUME); WREG32(MC_SEQ_CG, mc_seq_cg); cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_RESUME); } static void cypress_copy_ac_timing_from_s1_to_s0(struct radeon_device *rdev) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 value; u32 i; for (i = 0; i < eg_pi->mc_reg_table.last; i++) { value = RREG32(eg_pi->mc_reg_table.mc_reg_address[i].s1 << 2); WREG32(eg_pi->mc_reg_table.mc_reg_address[i].s0 << 2, value); } } static void cypress_force_mc_use_s0(struct radeon_device *rdev, struct radeon_ps *radeon_boot_state) { struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); u32 strobe_mode; u32 mc_seq_cg; int i; cypress_copy_ac_timing_from_s1_to_s0(rdev); radeon_mc_wait_for_idle(rdev); if ((rdev->family == CHIP_CYPRESS) || (rdev->family == CHIP_HEMLOCK)) { WREG32(MC_CONFIG_MCD, 0xf); WREG32(MC_CG_CONFIG_MCD, 0xf); } else { WREG32(MC_CONFIG, 0xf); WREG32(MC_CG_CONFIG, 0xf); } for (i = 0; i < rdev->num_crtc; i++) radeon_wait_for_vblank(rdev, i); WREG32(MC_SEQ_CG, MC_CG_SEQ_YCLK_SUSPEND); cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_SUSPEND); strobe_mode = cypress_get_strobe_mode_settings(rdev, boot_state->low.mclk); mc_seq_cg = CG_SEQ_REQ(MC_CG_SEQ_DRAMCONF_S0); mc_seq_cg |= SEQ_CG_RESP(strobe_mode); WREG32(MC_SEQ_CG, mc_seq_cg); for (i = 0; i < rdev->usec_timeout; i++) { if (!(RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE)) break; udelay(1); } mc_seq_cg &= ~CG_SEQ_REQ_MASK; mc_seq_cg |= CG_SEQ_REQ(MC_CG_SEQ_YCLK_RESUME); WREG32(MC_SEQ_CG, mc_seq_cg); cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_RESUME); } static int cypress_populate_initial_mvdd_value(struct radeon_device *rdev, RV770_SMC_VOLTAGE_VALUE *voltage) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); voltage->index = eg_pi->mvdd_high_index; voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); return 0; } int cypress_populate_smc_initial_state(struct radeon_device *rdev, struct radeon_ps *radeon_initial_state, RV770_SMC_STATETABLE *table) { struct rv7xx_ps *initial_state = rv770_get_ps(radeon_initial_state); struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 a_t; table->initialState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL = cpu_to_be32(pi->clk_regs.rv770.mpll_ad_func_cntl); table->initialState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(pi->clk_regs.rv770.mpll_ad_func_cntl_2); table->initialState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(pi->clk_regs.rv770.mpll_dq_func_cntl); table->initialState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(pi->clk_regs.rv770.mpll_dq_func_cntl_2); table->initialState.levels[0].mclk.mclk770.vMCLK_PWRMGT_CNTL = cpu_to_be32(pi->clk_regs.rv770.mclk_pwrmgt_cntl); table->initialState.levels[0].mclk.mclk770.vDLL_CNTL = cpu_to_be32(pi->clk_regs.rv770.dll_cntl); table->initialState.levels[0].mclk.mclk770.vMPLL_SS = cpu_to_be32(pi->clk_regs.rv770.mpll_ss1); table->initialState.levels[0].mclk.mclk770.vMPLL_SS2 = cpu_to_be32(pi->clk_regs.rv770.mpll_ss2); table->initialState.levels[0].mclk.mclk770.mclk_value = cpu_to_be32(initial_state->low.mclk); table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl); table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl_2); table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl_3); table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(pi->clk_regs.rv770.cg_spll_spread_spectrum); table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(pi->clk_regs.rv770.cg_spll_spread_spectrum_2); table->initialState.levels[0].sclk.sclk_value = cpu_to_be32(initial_state->low.sclk); table->initialState.levels[0].arbValue = MC_CG_ARB_FREQ_F0; table->initialState.levels[0].ACIndex = 0; cypress_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table, initial_state->low.vddc, &table->initialState.levels[0].vddc); if (eg_pi->vddci_control) cypress_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table, initial_state->low.vddci, &table->initialState.levels[0].vddci); cypress_populate_initial_mvdd_value(rdev, &table->initialState.levels[0].mvdd); a_t = CG_R(0xffff) | CG_L(0); table->initialState.levels[0].aT = cpu_to_be32(a_t); table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp); if (pi->boot_in_gen2) table->initialState.levels[0].gen2PCIE = 1; else table->initialState.levels[0].gen2PCIE = 0; if (initial_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) table->initialState.levels[0].gen2XSP = 1; else table->initialState.levels[0].gen2XSP = 0; if (pi->mem_gddr5) { table->initialState.levels[0].strobeMode = cypress_get_strobe_mode_settings(rdev, initial_state->low.mclk); if (initial_state->low.mclk > pi->mclk_edc_enable_threshold) table->initialState.levels[0].mcFlags = SMC_MC_EDC_RD_FLAG | SMC_MC_EDC_WR_FLAG; else table->initialState.levels[0].mcFlags = 0; } table->initialState.levels[1] = table->initialState.levels[0]; table->initialState.levels[2] = table->initialState.levels[0]; table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC; return 0; } int cypress_populate_smc_acpi_state(struct radeon_device *rdev, RV770_SMC_STATETABLE *table) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 mpll_ad_func_cntl = pi->clk_regs.rv770.mpll_ad_func_cntl; u32 mpll_ad_func_cntl_2 = pi->clk_regs.rv770.mpll_ad_func_cntl_2; u32 mpll_dq_func_cntl = pi->clk_regs.rv770.mpll_dq_func_cntl; u32 mpll_dq_func_cntl_2 = pi->clk_regs.rv770.mpll_dq_func_cntl_2; u32 spll_func_cntl = pi->clk_regs.rv770.cg_spll_func_cntl; u32 spll_func_cntl_2 = pi->clk_regs.rv770.cg_spll_func_cntl_2; u32 spll_func_cntl_3 = pi->clk_regs.rv770.cg_spll_func_cntl_3; u32 mclk_pwrmgt_cntl = pi->clk_regs.rv770.mclk_pwrmgt_cntl; u32 dll_cntl = pi->clk_regs.rv770.dll_cntl; table->ACPIState = table->initialState; table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC; if (pi->acpi_vddc) { cypress_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table, pi->acpi_vddc, &table->ACPIState.levels[0].vddc); if (pi->pcie_gen2) { if (pi->acpi_pcie_gen2) table->ACPIState.levels[0].gen2PCIE = 1; else table->ACPIState.levels[0].gen2PCIE = 0; } else table->ACPIState.levels[0].gen2PCIE = 0; if (pi->acpi_pcie_gen2) table->ACPIState.levels[0].gen2XSP = 1; else table->ACPIState.levels[0].gen2XSP = 0; } else { cypress_populate_voltage_value(rdev, &eg_pi->vddc_voltage_table, pi->min_vddc_in_table, &table->ACPIState.levels[0].vddc); table->ACPIState.levels[0].gen2PCIE = 0; } if (eg_pi->acpi_vddci) { if (eg_pi->vddci_control) { cypress_populate_voltage_value(rdev, &eg_pi->vddci_voltage_table, eg_pi->acpi_vddci, &table->ACPIState.levels[0].vddci); } } mpll_ad_func_cntl &= ~PDNB; mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN; if (pi->mem_gddr5) mpll_dq_func_cntl &= ~PDNB; mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS; mclk_pwrmgt_cntl |= (MRDCKA0_RESET | MRDCKA1_RESET | MRDCKB0_RESET | MRDCKB1_RESET | MRDCKC0_RESET | MRDCKC1_RESET | MRDCKD0_RESET | MRDCKD1_RESET); mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB | MRDCKA1_PDNB | MRDCKB0_PDNB | MRDCKB1_PDNB | MRDCKC0_PDNB | MRDCKC1_PDNB | MRDCKD0_PDNB | MRDCKD1_PDNB); dll_cntl |= (MRDCKA0_BYPASS | MRDCKA1_BYPASS | MRDCKB0_BYPASS | MRDCKB1_BYPASS | MRDCKC0_BYPASS | MRDCKC1_BYPASS | MRDCKD0_BYPASS | MRDCKD1_BYPASS); /* evergreen only */ if (rdev->family <= CHIP_HEMLOCK) spll_func_cntl |= SPLL_RESET | SPLL_SLEEP | SPLL_BYPASS_EN; spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK; spll_func_cntl_2 |= SCLK_MUX_SEL(4); table->ACPIState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl); table->ACPIState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2); table->ACPIState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl); table->ACPIState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2); table->ACPIState.levels[0].mclk.mclk770.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl); table->ACPIState.levels[0].mclk.mclk770.vDLL_CNTL = cpu_to_be32(dll_cntl); table->ACPIState.levels[0].mclk.mclk770.mclk_value = 0; table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl); table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2); table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3); table->ACPIState.levels[0].sclk.sclk_value = 0; cypress_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd); if (eg_pi->dynamic_ac_timing) table->ACPIState.levels[0].ACIndex = 1; table->ACPIState.levels[1] = table->ACPIState.levels[0]; table->ACPIState.levels[2] = table->ACPIState.levels[0]; return 0; } static void cypress_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev, struct atom_voltage_table *voltage_table) { unsigned int i, diff; if (voltage_table->count <= MAX_NO_VREG_STEPS) return; diff = voltage_table->count - MAX_NO_VREG_STEPS; for (i= 0; i < MAX_NO_VREG_STEPS; i++) voltage_table->entries[i] = voltage_table->entries[i + diff]; voltage_table->count = MAX_NO_VREG_STEPS; } int cypress_construct_voltage_tables(struct radeon_device *rdev) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); int ret; ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0, &eg_pi->vddc_voltage_table); if (ret) return ret; if (eg_pi->vddc_voltage_table.count > MAX_NO_VREG_STEPS) cypress_trim_voltage_table_to_fit_state_table(rdev, &eg_pi->vddc_voltage_table); if (eg_pi->vddci_control) { ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0, &eg_pi->vddci_voltage_table); if (ret) return ret; if (eg_pi->vddci_voltage_table.count > MAX_NO_VREG_STEPS) cypress_trim_voltage_table_to_fit_state_table(rdev, &eg_pi->vddci_voltage_table); } return 0; } static void cypress_populate_smc_voltage_table(struct radeon_device *rdev, struct atom_voltage_table *voltage_table, RV770_SMC_STATETABLE *table) { unsigned int i; for (i = 0; i < voltage_table->count; i++) { table->highSMIO[i] = 0; table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low); } } int cypress_populate_smc_voltage_tables(struct radeon_device *rdev, RV770_SMC_STATETABLE *table) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); unsigned char i; if (eg_pi->vddc_voltage_table.count) { cypress_populate_smc_voltage_table(rdev, &eg_pi->vddc_voltage_table, table); table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDC] = 0; table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDC] = cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) { if (pi->max_vddc_in_table <= eg_pi->vddc_voltage_table.entries[i].value) { table->maxVDDCIndexInPPTable = i; break; } } } if (eg_pi->vddci_voltage_table.count) { cypress_populate_smc_voltage_table(rdev, &eg_pi->vddci_voltage_table, table); table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] = cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } return 0; } static u32 cypress_get_mclk_split_point(struct atom_memory_info *memory_info) { if ((memory_info->mem_type == MEM_TYPE_GDDR3) || (memory_info->mem_type == MEM_TYPE_DDR3)) return 30000; return 0; } int cypress_get_mvdd_configuration(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u8 module_index; struct atom_memory_info memory_info; u32 tmp = RREG32(GENERAL_PWRMGT); if (!(tmp & BACKBIAS_PAD_EN)) { eg_pi->mvdd_high_index = 0; eg_pi->mvdd_low_index = 1; pi->mvdd_control = false; return 0; } if (tmp & BACKBIAS_VALUE) eg_pi->mvdd_high_index = 1; else eg_pi->mvdd_high_index = 0; eg_pi->mvdd_low_index = (eg_pi->mvdd_high_index == 0) ? 1 : 0; module_index = rv770_get_memory_module_index(rdev); if (radeon_atom_get_memory_info(rdev, module_index, &memory_info)) { pi->mvdd_control = false; return 0; } pi->mvdd_split_frequency = cypress_get_mclk_split_point(&memory_info); if (pi->mvdd_split_frequency == 0) { pi->mvdd_control = false; return 0; } return 0; } static int cypress_init_smc_table(struct radeon_device *rdev, struct radeon_ps *radeon_boot_state) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); RV770_SMC_STATETABLE *table = &pi->smc_statetable; int ret; memset(table, 0, sizeof(RV770_SMC_STATETABLE)); cypress_populate_smc_voltage_tables(rdev, table); switch (rdev->pm.int_thermal_type) { case THERMAL_TYPE_EVERGREEN: case THERMAL_TYPE_EMC2103_WITH_INTERNAL: table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL; break; case THERMAL_TYPE_NONE: table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE; break; default: table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL; break; } if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC) table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT) table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT; if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC) table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC; if (pi->mem_gddr5) table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5; ret = cypress_populate_smc_initial_state(rdev, radeon_boot_state, table); if (ret) return ret; ret = cypress_populate_smc_acpi_state(rdev, table); if (ret) return ret; table->driverState = table->initialState; return rv770_copy_bytes_to_smc(rdev, pi->state_table_start, (u8 *)table, sizeof(RV770_SMC_STATETABLE), pi->sram_end); } int cypress_populate_mc_reg_table(struct radeon_device *rdev, struct radeon_ps *radeon_boot_state) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); SMC_Evergreen_MCRegisters mc_reg_table = { 0 }; rv770_write_smc_soft_register(rdev, RV770_SMC_SOFT_REGISTER_seq_index, 1); cypress_populate_mc_reg_addresses(rdev, &mc_reg_table); cypress_convert_mc_reg_table_entry_to_smc(rdev, &boot_state->low, &mc_reg_table.data[0]); cypress_convert_mc_registers(&eg_pi->mc_reg_table.mc_reg_table_entry[0], &mc_reg_table.data[1], eg_pi->mc_reg_table.last, eg_pi->mc_reg_table.valid_flag); cypress_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, &mc_reg_table); return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start, (u8 *)&mc_reg_table, sizeof(SMC_Evergreen_MCRegisters), pi->sram_end); } int cypress_get_table_locations(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); u32 tmp; int ret; ret = rv770_read_smc_sram_dword(rdev, EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + EVERGREEN_SMC_FIRMWARE_HEADER_stateTable, &tmp, pi->sram_end); if (ret) return ret; pi->state_table_start = (u16)tmp; ret = rv770_read_smc_sram_dword(rdev, EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters, &tmp, pi->sram_end); if (ret) return ret; pi->soft_regs_start = (u16)tmp; ret = rv770_read_smc_sram_dword(rdev, EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable, &tmp, pi->sram_end); if (ret) return ret; eg_pi->mc_reg_table_start = (u16)tmp; return 0; } void cypress_enable_display_gap(struct radeon_device *rdev) { u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL); tmp &= ~(DISP1_GAP_MASK | DISP2_GAP_MASK); tmp |= (DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE) | DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE)); tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK); tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK) | DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE)); WREG32(CG_DISPLAY_GAP_CNTL, tmp); } static void cypress_program_display_gap(struct radeon_device *rdev) { u32 tmp, pipe; int i; tmp = RREG32(CG_DISPLAY_GAP_CNTL) & ~(DISP1_GAP_MASK | DISP2_GAP_MASK); if (rdev->pm.dpm.new_active_crtc_count > 0) tmp |= DISP1_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); else tmp |= DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE); if (rdev->pm.dpm.new_active_crtc_count > 1) tmp |= DISP2_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); else tmp |= DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE); WREG32(CG_DISPLAY_GAP_CNTL, tmp); tmp = RREG32(DCCG_DISP_SLOW_SELECT_REG); pipe = (tmp & DCCG_DISP1_SLOW_SELECT_MASK) >> DCCG_DISP1_SLOW_SELECT_SHIFT; if ((rdev->pm.dpm.new_active_crtc_count > 0) && (!(rdev->pm.dpm.new_active_crtcs & (1 << pipe)))) { /* find the first active crtc */ for (i = 0; i < rdev->num_crtc; i++) { if (rdev->pm.dpm.new_active_crtcs & (1 << i)) break; } if (i == rdev->num_crtc) pipe = 0; else pipe = i; tmp &= ~DCCG_DISP1_SLOW_SELECT_MASK; tmp |= DCCG_DISP1_SLOW_SELECT(pipe); WREG32(DCCG_DISP_SLOW_SELECT_REG, tmp); } cypress_notify_smc_display_change(rdev, rdev->pm.dpm.new_active_crtc_count > 0); } void cypress_dpm_setup_asic(struct radeon_device *rdev) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); rv740_read_clock_registers(rdev); rv770_read_voltage_smio_registers(rdev); rv770_get_max_vddc(rdev); rv770_get_memory_type(rdev); if (eg_pi->pcie_performance_request) eg_pi->pcie_performance_request_registered = false; if (eg_pi->pcie_performance_request) cypress_advertise_gen2_capability(rdev); rv770_get_pcie_gen2_status(rdev); rv770_enable_acpi_pm(rdev); } int cypress_dpm_enable(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; int ret; if (pi->gfx_clock_gating) rv770_restore_cgcg(rdev); if (rv770_dpm_enabled(rdev)) return -EINVAL; if (pi->voltage_control) { rv770_enable_voltage_control(rdev, true); ret = cypress_construct_voltage_tables(rdev); if (ret) { DRM_ERROR("cypress_construct_voltage_tables failed\n"); return ret; } } if (pi->mvdd_control) { ret = cypress_get_mvdd_configuration(rdev); if (ret) { DRM_ERROR("cypress_get_mvdd_configuration failed\n"); return ret; } } if (eg_pi->dynamic_ac_timing) { cypress_set_mc_reg_address_table(rdev); cypress_force_mc_use_s0(rdev, boot_ps); ret = cypress_initialize_mc_reg_table(rdev); if (ret) eg_pi->dynamic_ac_timing = false; cypress_force_mc_use_s1(rdev, boot_ps); } if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS) rv770_enable_backbias(rdev, true); if (pi->dynamic_ss) cypress_enable_spread_spectrum(rdev, true); if (pi->thermal_protection) rv770_enable_thermal_protection(rdev, true); rv770_setup_bsp(rdev); rv770_program_git(rdev); rv770_program_tp(rdev); rv770_program_tpp(rdev); rv770_program_sstp(rdev); rv770_program_engine_speed_parameters(rdev); cypress_enable_display_gap(rdev); rv770_program_vc(rdev); if (pi->dynamic_pcie_gen2) cypress_enable_dynamic_pcie_gen2(rdev, true); ret = rv770_upload_firmware(rdev); if (ret) { DRM_ERROR("rv770_upload_firmware failed\n"); return ret; } ret = cypress_get_table_locations(rdev); if (ret) { DRM_ERROR("cypress_get_table_locations failed\n"); return ret; } ret = cypress_init_smc_table(rdev, boot_ps); if (ret) { DRM_ERROR("cypress_init_smc_table failed\n"); return ret; } if (eg_pi->dynamic_ac_timing) { ret = cypress_populate_mc_reg_table(rdev, boot_ps); if (ret) { DRM_ERROR("cypress_populate_mc_reg_table failed\n"); return ret; } } cypress_program_response_times(rdev); r7xx_start_smc(rdev); ret = cypress_notify_smc_display_change(rdev, false); if (ret) { DRM_ERROR("cypress_notify_smc_display_change failed\n"); return ret; } cypress_enable_sclk_control(rdev, true); if (eg_pi->memory_transition) cypress_enable_mclk_control(rdev, true); cypress_start_dpm(rdev); if (pi->gfx_clock_gating) cypress_gfx_clock_gating_enable(rdev, true); if (pi->mg_clock_gating) cypress_mg_clock_gating_enable(rdev, true); rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); return 0; } void cypress_dpm_disable(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; if (!rv770_dpm_enabled(rdev)) return; rv770_clear_vc(rdev); if (pi->thermal_protection) rv770_enable_thermal_protection(rdev, false); if (pi->dynamic_pcie_gen2) cypress_enable_dynamic_pcie_gen2(rdev, false); if (rdev->irq.installed && r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { rdev->irq.dpm_thermal = false; radeon_irq_set(rdev); } if (pi->gfx_clock_gating) cypress_gfx_clock_gating_enable(rdev, false); if (pi->mg_clock_gating) cypress_mg_clock_gating_enable(rdev, false); rv770_stop_dpm(rdev); r7xx_stop_smc(rdev); cypress_enable_spread_spectrum(rdev, false); if (eg_pi->dynamic_ac_timing) cypress_force_mc_use_s1(rdev, boot_ps); rv770_reset_smio_status(rdev); } int cypress_dpm_set_power_state(struct radeon_device *rdev) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps; struct radeon_ps *old_ps = rdev->pm.dpm.current_ps; int ret; ret = rv770_restrict_performance_levels_before_switch(rdev); if (ret) { DRM_ERROR("rv770_restrict_performance_levels_before_switch failed\n"); return ret; } if (eg_pi->pcie_performance_request) cypress_notify_link_speed_change_before_state_change(rdev, new_ps, old_ps); rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); ret = rv770_halt_smc(rdev); if (ret) { DRM_ERROR("rv770_halt_smc failed\n"); return ret; } ret = cypress_upload_sw_state(rdev, new_ps); if (ret) { DRM_ERROR("cypress_upload_sw_state failed\n"); return ret; } if (eg_pi->dynamic_ac_timing) { ret = cypress_upload_mc_reg_table(rdev, new_ps); if (ret) { DRM_ERROR("cypress_upload_mc_reg_table failed\n"); return ret; } } cypress_program_memory_timing_parameters(rdev, new_ps); ret = rv770_resume_smc(rdev); if (ret) { DRM_ERROR("rv770_resume_smc failed\n"); return ret; } ret = rv770_set_sw_state(rdev); if (ret) { DRM_ERROR("rv770_set_sw_state failed\n"); return ret; } rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); if (eg_pi->pcie_performance_request) cypress_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps); return 0; } #if 0 void cypress_dpm_reset_asic(struct radeon_device *rdev) { rv770_restrict_performance_levels_before_switch(rdev); rv770_set_boot_state(rdev); } #endif void cypress_dpm_display_configuration_changed(struct radeon_device *rdev) { cypress_program_display_gap(rdev); } int cypress_dpm_init(struct radeon_device *rdev) { struct rv7xx_power_info *pi; struct evergreen_power_info *eg_pi; struct atom_clock_dividers dividers; int ret; eg_pi = kzalloc(sizeof(struct evergreen_power_info), GFP_KERNEL); if (eg_pi == NULL) return -ENOMEM; rdev->pm.dpm.priv = eg_pi; pi = &eg_pi->rv7xx; rv770_get_max_vddc(rdev); eg_pi->ulv.supported = false; pi->acpi_vddc = 0; eg_pi->acpi_vddci = 0; pi->min_vddc_in_table = 0; pi->max_vddc_in_table = 0; ret = r600_get_platform_caps(rdev); if (ret) return ret; ret = rv7xx_parse_power_table(rdev); if (ret) return ret; if (rdev->pm.dpm.voltage_response_time == 0) rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT; if (rdev->pm.dpm.backbias_response_time == 0) rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT; ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 0, false, ÷rs); if (ret) pi->ref_div = dividers.ref_div + 1; else pi->ref_div = R600_REFERENCEDIVIDER_DFLT; pi->mclk_strobe_mode_threshold = 40000; pi->mclk_edc_enable_threshold = 40000; eg_pi->mclk_edc_wr_enable_threshold = 40000; pi->rlp = RV770_RLP_DFLT; pi->rmp = RV770_RMP_DFLT; pi->lhp = RV770_LHP_DFLT; pi->lmp = RV770_LMP_DFLT; pi->voltage_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0); pi->mvdd_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0); eg_pi->vddci_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = CYPRESS_HASI_DFLT; pi->vrc = CYPRESS_VRC_DFLT; pi->power_gating = false; if ((rdev->family == CHIP_CYPRESS) || (rdev->family == CHIP_HEMLOCK)) pi->gfx_clock_gating = false; else pi->gfx_clock_gating = true; pi->mg_clock_gating = true; pi->mgcgtssm = true; eg_pi->ls_clock_gating = false; eg_pi->sclk_deep_sleep = false; pi->dynamic_pcie_gen2 = true; if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) pi->thermal_protection = true; else pi->thermal_protection = false; pi->display_gap = true; if (rdev->flags & RADEON_IS_MOBILITY) pi->dcodt = true; else pi->dcodt = false; pi->ulps = true; eg_pi->dynamic_ac_timing = true; eg_pi->abm = true; eg_pi->mcls = true; eg_pi->light_sleep = true; eg_pi->memory_transition = true; #if defined(CONFIG_ACPI) eg_pi->pcie_performance_request = radeon_acpi_is_pcie_performance_request_supported(rdev); #else eg_pi->pcie_performance_request = false; #endif if ((rdev->family == CHIP_CYPRESS) || (rdev->family == CHIP_HEMLOCK) || (rdev->family == CHIP_JUNIPER)) eg_pi->dll_default_on = true; else eg_pi->dll_default_on = false; eg_pi->sclk_deep_sleep = false; pi->mclk_stutter_mode_threshold = 0; pi->sram_end = SMC_RAM_END; return 0; } void cypress_dpm_fini(struct radeon_device *rdev) { int i; for (i = 0; i < rdev->pm.dpm.num_ps; i++) { kfree(rdev->pm.dpm.ps[i].ps_priv); } kfree(rdev->pm.dpm.ps); kfree(rdev->pm.dpm.priv); } bool cypress_dpm_vblank_too_short(struct radeon_device *rdev) { struct rv7xx_power_info *pi = rv770_get_pi(rdev); u32 vblank_time = r600_dpm_get_vblank_time(rdev); /* we never hit the non-gddr5 limit so disable it */ u32 switch_limit = pi->mem_gddr5 ? 450 : 0; if (vblank_time < switch_limit) return true; else return false; }
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