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linux/drivers/gpu/drm/radeon/rv770_dpm.c
Jérome Glisse 3cf8bb1ad1 drm/radeon: fix indentation. 
I hate doing this but it hurts my eyes to go over code that does not
comply with indentation rules. Only thing that is not only space change
is in atom.c all other files are space indentation issues.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-16 18:08:06 -04:00

2587 lines
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/*
* 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 "drmP.h"
#include "radeon.h"
#include "radeon_asic.h"
#include "rv770d.h"
#include "r600_dpm.h"
#include "rv770_dpm.h"
#include "cypress_dpm.h"
#include "atom.h"
#include <linux/seq_file.h>
#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 PCIE_BUS_CLK 10000
#define TCLK (PCIE_BUS_CLK / 10)
#define SMC_RAM_END 0xC000
struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps)
{
struct rv7xx_ps *ps = rps->ps_priv;
return ps;
}
struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rdev->pm.dpm.priv;
return pi;
}
struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev)
{
struct evergreen_power_info *pi = rdev->pm.dpm.priv;
return pi;
}
static void rv770_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
bool enable)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 tmp;
tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
if (enable) {
tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
tmp |= LC_GEN2_EN_STRAP;
} 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 rv770_enable_l0s(struct radeon_device *rdev)
{
u32 tmp;
tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL) & ~LC_L0S_INACTIVITY_MASK;
tmp |= LC_L0S_INACTIVITY(3);
WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
}
static void rv770_enable_l1(struct radeon_device *rdev)
{
u32 tmp;
tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL);
tmp &= ~LC_L1_INACTIVITY_MASK;
tmp |= LC_L1_INACTIVITY(4);
tmp &= ~LC_PMI_TO_L1_DIS;
tmp &= ~LC_ASPM_TO_L1_DIS;
WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
}
static void rv770_enable_pll_sleep_in_l1(struct radeon_device *rdev)
{
u32 tmp;
tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL) & ~LC_L1_INACTIVITY_MASK;
tmp |= LC_L1_INACTIVITY(8);
WREG32_PCIE_PORT(PCIE_LC_CNTL, tmp);
/* NOTE, this is a PCIE indirect reg, not PCIE PORT */
tmp = RREG32_PCIE(PCIE_P_CNTL);
tmp |= P_PLL_PWRDN_IN_L1L23;
tmp &= ~P_PLL_BUF_PDNB;
tmp &= ~P_PLL_PDNB;
tmp |= P_ALLOW_PRX_FRONTEND_SHUTOFF;
WREG32_PCIE(PCIE_P_CNTL, tmp);
}
static void rv770_gfx_clock_gating_enable(struct radeon_device *rdev,
bool enable)
{
if (enable)
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_TILING_CONFIG);
}
}
static void rv770_mg_clock_gating_enable(struct radeon_device *rdev,
bool enable)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if (enable) {
u32 mgcg_cgtt_local0;
if (rdev->family == CHIP_RV770)
mgcg_cgtt_local0 = RV770_MGCGTTLOCAL0_DFLT;
else
mgcg_cgtt_local0 = RV7XX_MGCGTTLOCAL0_DFLT;
WREG32(CG_CGTT_LOCAL_0, mgcg_cgtt_local0);
WREG32(CG_CGTT_LOCAL_1, (RV770_MGCGTTLOCAL1_DFLT & 0xFFFFCFFF));
if (pi->mgcgtssm)
WREG32(CGTS_SM_CTRL_REG, RV770_MGCGCGTSSMCTRL_DFLT);
} else {
WREG32(CG_CGTT_LOCAL_0, 0xFFFFFFFF);
WREG32(CG_CGTT_LOCAL_1, 0xFFFFCFFF);
}
}
void rv770_restore_cgcg(struct radeon_device *rdev)
{
bool dpm_en = false, cg_en = false;
if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
dpm_en = true;
if (RREG32(SCLK_PWRMGT_CNTL) & DYN_GFX_CLK_OFF_EN)
cg_en = true;
if (dpm_en && !cg_en)
WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
}
static void rv770_start_dpm(struct radeon_device *rdev)
{
WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
}
void rv770_stop_dpm(struct radeon_device *rdev)
{
PPSMC_Result result;
result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_TwoLevelsDisabled);
if (result != PPSMC_Result_OK)
DRM_DEBUG("Could not force DPM to low.\n");
WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
}
bool rv770_dpm_enabled(struct radeon_device *rdev)
{
if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
return true;
else
return false;
}
void rv770_enable_thermal_protection(struct radeon_device *rdev,
bool enable)
{
if (enable)
WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
else
WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
}
void rv770_enable_acpi_pm(struct radeon_device *rdev)
{
WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
}
u8 rv770_get_seq_value(struct radeon_device *rdev,
struct rv7xx_pl *pl)
{
return (pl->flags & ATOM_PPLIB_R600_FLAGS_LOWPOWER) ?
MC_CG_SEQ_DRAMCONF_S0 : MC_CG_SEQ_DRAMCONF_S1;
}
#if 0
int rv770_read_smc_soft_register(struct radeon_device *rdev,
u16 reg_offset, u32 *value)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
return rv770_read_smc_sram_dword(rdev,
pi->soft_regs_start + reg_offset,
value, pi->sram_end);
}
#endif
int rv770_write_smc_soft_register(struct radeon_device *rdev,
u16 reg_offset, u32 value)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
return rv770_write_smc_sram_dword(rdev,
pi->soft_regs_start + reg_offset,
value, pi->sram_end);
}
int rv770_populate_smc_t(struct radeon_device *rdev,
struct radeon_ps *radeon_state,
RV770_SMC_SWSTATE *smc_state)
{
struct rv7xx_ps *state = rv770_get_ps(radeon_state);
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
int i;
int a_n;
int a_d;
u8 l[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
u8 r[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
u32 a_t;
l[0] = 0;
r[2] = 100;
a_n = (int)state->medium.sclk * pi->lmp +
(int)state->low.sclk * (R600_AH_DFLT - pi->rlp);
a_d = (int)state->low.sclk * (100 - (int)pi->rlp) +
(int)state->medium.sclk * pi->lmp;
l[1] = (u8)(pi->lmp - (int)pi->lmp * a_n / a_d);
r[0] = (u8)(pi->rlp + (100 - (int)pi->rlp) * a_n / a_d);
a_n = (int)state->high.sclk * pi->lhp + (int)state->medium.sclk *
(R600_AH_DFLT - pi->rmp);
a_d = (int)state->medium.sclk * (100 - (int)pi->rmp) +
(int)state->high.sclk * pi->lhp;
l[2] = (u8)(pi->lhp - (int)pi->lhp * a_n / a_d);
r[1] = (u8)(pi->rmp + (100 - (int)pi->rmp) * a_n / a_d);
for (i = 0; i < (RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1); i++) {
a_t = CG_R(r[i] * pi->bsp / 200) | CG_L(l[i] * pi->bsp / 200);
smc_state->levels[i].aT = cpu_to_be32(a_t);
}
a_t = CG_R(r[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1] * pi->pbsp / 200) |
CG_L(l[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1] * pi->pbsp / 200);
smc_state->levels[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1].aT =
cpu_to_be32(a_t);
return 0;
}
int rv770_populate_smc_sp(struct radeon_device *rdev,
struct radeon_ps *radeon_state,
RV770_SMC_SWSTATE *smc_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
int i;
for (i = 0; i < (RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1); i++)
smc_state->levels[i].bSP = cpu_to_be32(pi->dsp);
smc_state->levels[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1].bSP =
cpu_to_be32(pi->psp);
return 0;
}
static void rv770_calculate_fractional_mpll_feedback_divider(u32 memory_clock,
u32 reference_clock,
bool gddr5,
struct atom_clock_dividers *dividers,
u32 *clkf,
u32 *clkfrac)
{
u32 post_divider, reference_divider, feedback_divider8;
u32 fyclk;
if (gddr5)
fyclk = (memory_clock * 8) / 2;
else
fyclk = (memory_clock * 4) / 2;
post_divider = dividers->post_div;
reference_divider = dividers->ref_div;
feedback_divider8 =
(8 * fyclk * reference_divider * post_divider) / reference_clock;
*clkf = feedback_divider8 / 8;
*clkfrac = feedback_divider8 % 8;
}
static int rv770_encode_yclk_post_div(u32 postdiv, u32 *encoded_postdiv)
{
int ret = 0;
switch (postdiv) {
case 1:
*encoded_postdiv = 0;
break;
case 2:
*encoded_postdiv = 1;
break;
case 4:
*encoded_postdiv = 2;
break;
case 8:
*encoded_postdiv = 3;
break;
case 16:
*encoded_postdiv = 4;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf)
{
if (clkf <= 0x10)
return 0x4B;
if (clkf <= 0x19)
return 0x5B;
if (clkf <= 0x21)
return 0x2B;
if (clkf <= 0x27)
return 0x6C;
if (clkf <= 0x31)
return 0x9D;
return 0xC6;
}
static int rv770_populate_mclk_value(struct radeon_device *rdev,
u32 engine_clock, u32 memory_clock,
RV7XX_SMC_MCLK_VALUE *mclk)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u8 encoded_reference_dividers[] = { 0, 16, 17, 20, 21 };
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;
struct atom_clock_dividers dividers;
u32 reference_clock = rdev->clock.mpll.reference_freq;
u32 clkf, clkfrac;
u32 postdiv_yclk;
u32 ibias;
int ret;
ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
memory_clock, false, &dividers);
if (ret)
return ret;
if ((dividers.ref_div < 1) || (dividers.ref_div > 5))
return -EINVAL;
rv770_calculate_fractional_mpll_feedback_divider(memory_clock, reference_clock,
pi->mem_gddr5,
&dividers, &clkf, &clkfrac);
ret = rv770_encode_yclk_post_div(dividers.post_div, &postdiv_yclk);
if (ret)
return ret;
ibias = rv770_map_clkf_to_ibias(rdev, clkf);
mpll_ad_func_cntl &= ~(CLKR_MASK |
YCLK_POST_DIV_MASK |
CLKF_MASK |
CLKFRAC_MASK |
IBIAS_MASK);
mpll_ad_func_cntl |= CLKR(encoded_reference_dividers[dividers.ref_div - 1]);
mpll_ad_func_cntl |= YCLK_POST_DIV(postdiv_yclk);
mpll_ad_func_cntl |= CLKF(clkf);
mpll_ad_func_cntl |= CLKFRAC(clkfrac);
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) {
rv770_calculate_fractional_mpll_feedback_divider(memory_clock,
reference_clock,
pi->mem_gddr5,
&dividers, &clkf, &clkfrac);
ibias = rv770_map_clkf_to_ibias(rdev, clkf);
ret = rv770_encode_yclk_post_div(dividers.post_div, &postdiv_yclk);
if (ret)
return ret;
mpll_dq_func_cntl &= ~(CLKR_MASK |
YCLK_POST_DIV_MASK |
CLKF_MASK |
CLKFRAC_MASK |
IBIAS_MASK);
mpll_dq_func_cntl |= CLKR(encoded_reference_dividers[dividers.ref_div - 1]);
mpll_dq_func_cntl |= YCLK_POST_DIV(postdiv_yclk);
mpll_dq_func_cntl |= CLKF(clkf);
mpll_dq_func_cntl |= CLKFRAC(clkfrac);
mpll_dq_func_cntl |= IBIAS(ibias);
if (dividers.vco_mode)
mpll_dq_func_cntl_2 |= VCO_MODE;
else
mpll_dq_func_cntl_2 &= ~VCO_MODE;
}
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);
return 0;
}
static int rv770_populate_sclk_value(struct radeon_device *rdev,
u32 engine_clock,
RV770_SMC_SCLK_VALUE *sclk)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct atom_clock_dividers dividers;
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 cg_spll_spread_spectrum =
pi->clk_regs.rv770.cg_spll_spread_spectrum;
u32 cg_spll_spread_spectrum_2 =
pi->clk_regs.rv770.cg_spll_spread_spectrum_2;
u64 tmp;
u32 reference_clock = rdev->clock.spll.reference_freq;
u32 reference_divider, post_divider;
u32 fbdiv;
int ret;
ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
engine_clock, false, &dividers);
if (ret)
return ret;
reference_divider = 1 + dividers.ref_div;
if (dividers.enable_post_div)
post_divider = (0x0f & (dividers.post_div >> 4)) + (0x0f & dividers.post_div) + 2;
else
post_divider = 1;
tmp = (u64) engine_clock * reference_divider * post_divider * 16384;
do_div(tmp, reference_clock);
fbdiv = (u32) tmp;
if (dividers.enable_post_div)
spll_func_cntl |= SPLL_DIVEN;
else
spll_func_cntl &= ~SPLL_DIVEN;
spll_func_cntl &= ~(SPLL_HILEN_MASK | SPLL_LOLEN_MASK | SPLL_REF_DIV_MASK);
spll_func_cntl |= SPLL_REF_DIV(dividers.ref_div);
spll_func_cntl |= SPLL_HILEN((dividers.post_div >> 4) & 0xf);
spll_func_cntl |= SPLL_LOLEN(dividers.post_div & 0xf);
spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK;
spll_func_cntl_2 |= SCLK_MUX_SEL(2);
spll_func_cntl_3 &= ~SPLL_FB_DIV_MASK;
spll_func_cntl_3 |= SPLL_FB_DIV(fbdiv);
spll_func_cntl_3 |= SPLL_DITHEN;
if (pi->sclk_ss) {
struct radeon_atom_ss ss;
u32 vco_freq = engine_clock * post_divider;
if (radeon_atombios_get_asic_ss_info(rdev, &ss,
ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
u32 clk_s = reference_clock * 5 / (reference_divider * ss.rate);
u32 clk_v = ss.percentage * fbdiv / (clk_s * 10000);
cg_spll_spread_spectrum &= ~CLKS_MASK;
cg_spll_spread_spectrum |= CLKS(clk_s);
cg_spll_spread_spectrum |= SSEN;
cg_spll_spread_spectrum_2 &= ~CLKV_MASK;
cg_spll_spread_spectrum_2 |= CLKV(clk_v);
}
}
sclk->sclk_value = cpu_to_be32(engine_clock);
sclk->vCG_SPLL_FUNC_CNTL = cpu_to_be32(spll_func_cntl);
sclk->vCG_SPLL_FUNC_CNTL_2 = cpu_to_be32(spll_func_cntl_2);
sclk->vCG_SPLL_FUNC_CNTL_3 = cpu_to_be32(spll_func_cntl_3);
sclk->vCG_SPLL_SPREAD_SPECTRUM = cpu_to_be32(cg_spll_spread_spectrum);
sclk->vCG_SPLL_SPREAD_SPECTRUM_2 = cpu_to_be32(cg_spll_spread_spectrum_2);
return 0;
}
int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
RV770_SMC_VOLTAGE_VALUE *voltage)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
int i;
if (!pi->voltage_control) {
voltage->index = 0;
voltage->value = 0;
return 0;
}
for (i = 0; i < pi->valid_vddc_entries; i++) {
if (vddc <= pi->vddc_table[i].vddc) {
voltage->index = pi->vddc_table[i].vddc_index;
voltage->value = cpu_to_be16(vddc);
break;
}
}
if (i == pi->valid_vddc_entries)
return -EINVAL;
return 0;
}
int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
RV770_SMC_VOLTAGE_VALUE *voltage)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if (!pi->mvdd_control) {
voltage->index = MVDD_HIGH_INDEX;
voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
return 0;
}
if (mclk <= pi->mvdd_split_frequency) {
voltage->index = MVDD_LOW_INDEX;
voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
} else {
voltage->index = MVDD_HIGH_INDEX;
voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
}
return 0;
}
static int rv770_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);
int ret;
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;
if (rdev->family == CHIP_RV740)
ret = rv740_populate_sclk_value(rdev, pl->sclk,
&level->sclk);
else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
ret = rv730_populate_sclk_value(rdev, pl->sclk,
&level->sclk);
else
ret = rv770_populate_sclk_value(rdev, pl->sclk,
&level->sclk);
if (ret)
return ret;
if (rdev->family == CHIP_RV740) {
if (pi->mem_gddr5) {
if (pl->mclk <= pi->mclk_strobe_mode_threshold)
level->strobeMode =
rv740_get_mclk_frequency_ratio(pl->mclk) | 0x10;
else
level->strobeMode = 0;
if (pl->mclk > pi->mclk_edc_enable_threshold)
level->mcFlags = SMC_MC_EDC_RD_FLAG | SMC_MC_EDC_WR_FLAG;
else
level->mcFlags = 0;
}
ret = rv740_populate_mclk_value(rdev, pl->sclk,
pl->mclk, &level->mclk);
} else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
ret = rv730_populate_mclk_value(rdev, pl->sclk,
pl->mclk, &level->mclk);
else
ret = rv770_populate_mclk_value(rdev, pl->sclk,
pl->mclk, &level->mclk);
if (ret)
return ret;
ret = rv770_populate_vddc_value(rdev, pl->vddc,
&level->vddc);
if (ret)
return ret;
ret = rv770_populate_mvdd_value(rdev, pl->mclk, &level->mvdd);
return ret;
}
static int rv770_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);
int ret;
if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC))
smc_state->flags |= PPSMC_SWSTATE_FLAG_DC;
ret = rv770_convert_power_level_to_smc(rdev,
&state->low,
&smc_state->levels[0],
PPSMC_DISPLAY_WATERMARK_LOW);
if (ret)
return ret;
ret = rv770_convert_power_level_to_smc(rdev,
&state->medium,
&smc_state->levels[1],
PPSMC_DISPLAY_WATERMARK_LOW);
if (ret)
return ret;
ret = rv770_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;
smc_state->levels[0].seqValue = rv770_get_seq_value(rdev,
&state->low);
smc_state->levels[1].seqValue = rv770_get_seq_value(rdev,
&state->medium);
smc_state->levels[2].seqValue = rv770_get_seq_value(rdev,
&state->high);
rv770_populate_smc_sp(rdev, radeon_state, smc_state);
return rv770_populate_smc_t(rdev, radeon_state, smc_state);
}
u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
u32 engine_clock)
{
u32 dram_rows;
u32 dram_refresh_rate;
u32 mc_arb_rfsh_rate;
u32 tmp;
tmp = (RREG32(MC_ARB_RAMCFG) & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
dram_rows = 1 << (tmp + 10);
tmp = RREG32(MC_SEQ_MISC0) & 3;
dram_refresh_rate = 1 << (tmp + 3);
mc_arb_rfsh_rate = ((engine_clock * 10) * dram_refresh_rate / dram_rows - 32) / 64;
return mc_arb_rfsh_rate;
}
static void rv770_program_memory_timing_parameters(struct radeon_device *rdev,
struct radeon_ps *radeon_state)
{
struct rv7xx_ps *state = rv770_get_ps(radeon_state);
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 sqm_ratio;
u32 arb_refresh_rate;
u32 high_clock;
if (state->high.sclk < (state->low.sclk * 0xFF / 0x40))
high_clock = state->high.sclk;
else
high_clock = (state->low.sclk * 0xFF / 0x40);
radeon_atom_set_engine_dram_timings(rdev, high_clock,
state->high.mclk);
sqm_ratio =
STATE0(64 * high_clock / pi->boot_sclk) |
STATE1(64 * high_clock / state->low.sclk) |
STATE2(64 * high_clock / state->medium.sclk) |
STATE3(64 * high_clock / state->high.sclk);
WREG32(MC_ARB_SQM_RATIO, sqm_ratio);
arb_refresh_rate =
POWERMODE0(rv770_calculate_memory_refresh_rate(rdev, pi->boot_sclk)) |
POWERMODE1(rv770_calculate_memory_refresh_rate(rdev, state->low.sclk)) |
POWERMODE2(rv770_calculate_memory_refresh_rate(rdev, state->medium.sclk)) |
POWERMODE3(rv770_calculate_memory_refresh_rate(rdev, state->high.sclk));
WREG32(MC_ARB_RFSH_RATE, arb_refresh_rate);
}
void rv770_enable_backbias(struct radeon_device *rdev,
bool enable)
{
if (enable)
WREG32_P(GENERAL_PWRMGT, BACKBIAS_PAD_EN, ~BACKBIAS_PAD_EN);
else
WREG32_P(GENERAL_PWRMGT, 0, ~(BACKBIAS_VALUE | BACKBIAS_PAD_EN));
}
static void rv770_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) {
if (rdev->family == CHIP_RV740)
rv740_enable_mclk_spread_spectrum(rdev, true);
}
} else {
WREG32_P(CG_SPLL_SPREAD_SPECTRUM, 0, ~SSEN);
WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN);
WREG32_P(CG_MPLL_SPREAD_SPECTRUM, 0, ~SSEN);
if (rdev->family == CHIP_RV740)
rv740_enable_mclk_spread_spectrum(rdev, false);
}
}
static void rv770_program_mpll_timing_parameters(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if ((rdev->family == CHIP_RV770) && !pi->mem_gddr5) {
WREG32(MPLL_TIME,
(MPLL_LOCK_TIME(R600_MPLLLOCKTIME_DFLT * pi->ref_div) |
MPLL_RESET_TIME(R600_MPLLRESETTIME_DFLT)));
}
}
void rv770_setup_bsp(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 xclk = radeon_get_xclk(rdev);
r600_calculate_u_and_p(pi->asi,
xclk,
16,
&pi->bsp,
&pi->bsu);
r600_calculate_u_and_p(pi->pasi,
xclk,
16,
&pi->pbsp,
&pi->pbsu);
pi->dsp = BSP(pi->bsp) | BSU(pi->bsu);
pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu);
WREG32(CG_BSP, pi->dsp);
}
void rv770_program_git(struct radeon_device *rdev)
{
WREG32_P(CG_GIT, CG_GICST(R600_GICST_DFLT), ~CG_GICST_MASK);
}
void rv770_program_tp(struct radeon_device *rdev)
{
int i;
enum r600_td td = R600_TD_DFLT;
for (i = 0; i < R600_PM_NUMBER_OF_TC; i++)
WREG32(CG_FFCT_0 + (i * 4), (UTC_0(r600_utc[i]) | DTC_0(r600_dtc[i])));
if (td == R600_TD_AUTO)
WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
else
WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
if (td == R600_TD_UP)
WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
if (td == R600_TD_DOWN)
WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
}
void rv770_program_tpp(struct radeon_device *rdev)
{
WREG32(CG_TPC, R600_TPC_DFLT);
}
void rv770_program_sstp(struct radeon_device *rdev)
{
WREG32(CG_SSP, (SSTU(R600_SSTU_DFLT) | SST(R600_SST_DFLT)));
}
void rv770_program_engine_speed_parameters(struct radeon_device *rdev)
{
WREG32_P(SPLL_CNTL_MODE, SPLL_DIV_SYNC, ~SPLL_DIV_SYNC);
}
static void rv770_enable_display_gap(struct radeon_device *rdev)
{
u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) |
DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE));
WREG32(CG_DISPLAY_GAP_CNTL, tmp);
}
void rv770_program_vc(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
WREG32(CG_FTV, pi->vrc);
}
void rv770_clear_vc(struct radeon_device *rdev)
{
WREG32(CG_FTV, 0);
}
int rv770_upload_firmware(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
int ret;
rv770_reset_smc(rdev);
rv770_stop_smc_clock(rdev);
ret = rv770_load_smc_ucode(rdev, pi->sram_end);
if (ret)
return ret;
return 0;
}
static int rv770_populate_smc_acpi_state(struct radeon_device *rdev,
RV770_SMC_STATETABLE *table)
{
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 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;
u32 dll_cntl;
table->ACPIState = table->initialState;
table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC;
if (pi->acpi_vddc) {
rv770_populate_vddc_value(rdev, 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 {
rv770_populate_vddc_value(rdev, pi->min_vddc_in_table,
&table->ACPIState.levels[0].vddc);
table->ACPIState.levels[0].gen2PCIE = 0;
}
mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN;
mclk_pwrmgt_cntl = (MRDCKA0_RESET |
MRDCKA1_RESET |
MRDCKB0_RESET |
MRDCKB1_RESET |
MRDCKC0_RESET |
MRDCKC1_RESET |
MRDCKD0_RESET |
MRDCKD1_RESET);
dll_cntl = 0xff000000;
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;
rv770_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd);
table->ACPIState.levels[1] = table->ACPIState.levels[0];
table->ACPIState.levels[2] = table->ACPIState.levels[0];
return 0;
}
int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
RV770_SMC_VOLTAGE_VALUE *voltage)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if ((pi->s0_vid_lower_smio_cntl & pi->mvdd_mask_low) ==
(pi->mvdd_low_smio[MVDD_LOW_INDEX] & pi->mvdd_mask_low) ) {
voltage->index = MVDD_LOW_INDEX;
voltage->value = cpu_to_be16(MVDD_LOW_VALUE);
} else {
voltage->index = MVDD_HIGH_INDEX;
voltage->value = cpu_to_be16(MVDD_HIGH_VALUE);
}
return 0;
}
static int rv770_populate_smc_initial_state(struct radeon_device *rdev,
struct radeon_ps *radeon_state,
RV770_SMC_STATETABLE *table)
{
struct rv7xx_ps *initial_state = rv770_get_ps(radeon_state);
struct rv7xx_power_info *pi = rv770_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].seqValue =
rv770_get_seq_value(rdev, &initial_state->low);
rv770_populate_vddc_value(rdev,
initial_state->low.vddc,
&table->initialState.levels[0].vddc);
rv770_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 (rdev->family == CHIP_RV740) {
if (pi->mem_gddr5) {
if (initial_state->low.mclk <= pi->mclk_strobe_mode_threshold)
table->initialState.levels[0].strobeMode =
rv740_get_mclk_frequency_ratio(initial_state->low.mclk) | 0x10;
else
table->initialState.levels[0].strobeMode = 0;
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;
}
static int rv770_populate_smc_vddc_table(struct radeon_device *rdev,
RV770_SMC_STATETABLE *table)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
int i;
for (i = 0; i < pi->valid_vddc_entries; i++) {
table->highSMIO[pi->vddc_table[i].vddc_index] =
pi->vddc_table[i].high_smio;
table->lowSMIO[pi->vddc_table[i].vddc_index] =
cpu_to_be32(pi->vddc_table[i].low_smio);
}
table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDC] = 0;
table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDC] =
cpu_to_be32(pi->vddc_mask_low);
for (i = 0;
((i < pi->valid_vddc_entries) &&
(pi->max_vddc_in_table >
pi->vddc_table[i].vddc));
i++);
table->maxVDDCIndexInPPTable =
pi->vddc_table[i].vddc_index;
return 0;
}
static int rv770_populate_smc_mvdd_table(struct radeon_device *rdev,
RV770_SMC_STATETABLE *table)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if (pi->mvdd_control) {
table->lowSMIO[MVDD_HIGH_INDEX] |=
cpu_to_be32(pi->mvdd_low_smio[MVDD_HIGH_INDEX]);
table->lowSMIO[MVDD_LOW_INDEX] |=
cpu_to_be32(pi->mvdd_low_smio[MVDD_LOW_INDEX]);
table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_MVDD] = 0;
table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_MVDD] =
cpu_to_be32(pi->mvdd_mask_low);
}
return 0;
}
static int rv770_init_smc_table(struct radeon_device *rdev,
struct radeon_ps *radeon_boot_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state);
RV770_SMC_STATETABLE *table = &pi->smc_statetable;
int ret;
memset(table, 0, sizeof(RV770_SMC_STATETABLE));
pi->boot_sclk = boot_state->low.sclk;
rv770_populate_smc_vddc_table(rdev, table);
rv770_populate_smc_mvdd_table(rdev, table);
switch (rdev->pm.int_thermal_type) {
case THERMAL_TYPE_RV770:
case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
break;
case THERMAL_TYPE_NONE:
table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
break;
case THERMAL_TYPE_EXTERNAL_GPIO:
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_DONT_WAIT_FOR_VBLANK_ON_ALERT)
table->extraFlags |= PPSMC_EXTRAFLAGS_AC2DC_DONT_WAIT_FOR_VBLANK;
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_GOTO_BOOT_ON_ALERT)
table->extraFlags |= PPSMC_EXTRAFLAGS_AC2DC_ACTION_GOTOINITIALSTATE;
}
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;
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
ret = rv730_populate_smc_initial_state(rdev, radeon_boot_state, table);
else
ret = rv770_populate_smc_initial_state(rdev, radeon_boot_state, table);
if (ret)
return ret;
if (rdev->family == CHIP_RV740)
ret = rv740_populate_smc_acpi_state(rdev, table);
else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
ret = rv730_populate_smc_acpi_state(rdev, table);
else
ret = rv770_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,
(const u8 *)table,
sizeof(RV770_SMC_STATETABLE),
pi->sram_end);
}
static int rv770_construct_vddc_table(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u16 min, max, step;
u32 steps = 0;
u8 vddc_index = 0;
u32 i;
radeon_atom_get_min_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, &min);
radeon_atom_get_max_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, &max);
radeon_atom_get_voltage_step(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, &step);
steps = (max - min) / step + 1;
if (steps > MAX_NO_VREG_STEPS)
return -EINVAL;
for (i = 0; i < steps; i++) {
u32 gpio_pins, gpio_mask;
pi->vddc_table[i].vddc = (u16)(min + i * step);
radeon_atom_get_voltage_gpio_settings(rdev,
pi->vddc_table[i].vddc,
SET_VOLTAGE_TYPE_ASIC_VDDC,
&gpio_pins, &gpio_mask);
pi->vddc_table[i].low_smio = gpio_pins & gpio_mask;
pi->vddc_table[i].high_smio = 0;
pi->vddc_mask_low = gpio_mask;
if (i > 0) {
if ((pi->vddc_table[i].low_smio !=
pi->vddc_table[i - 1].low_smio ) ||
(pi->vddc_table[i].high_smio !=
pi->vddc_table[i - 1].high_smio))
vddc_index++;
}
pi->vddc_table[i].vddc_index = vddc_index;
}
pi->valid_vddc_entries = (u8)steps;
return 0;
}
static u32 rv770_get_mclk_split_point(struct atom_memory_info *memory_info)
{
if (memory_info->mem_type == MEM_TYPE_GDDR3)
return 30000;
return 0;
}
static int rv770_get_mvdd_pin_configuration(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 gpio_pins, gpio_mask;
radeon_atom_get_voltage_gpio_settings(rdev,
MVDD_HIGH_VALUE, SET_VOLTAGE_TYPE_ASIC_MVDDC,
&gpio_pins, &gpio_mask);
pi->mvdd_mask_low = gpio_mask;
pi->mvdd_low_smio[MVDD_HIGH_INDEX] =
gpio_pins & gpio_mask;
radeon_atom_get_voltage_gpio_settings(rdev,
MVDD_LOW_VALUE, SET_VOLTAGE_TYPE_ASIC_MVDDC,
&gpio_pins, &gpio_mask);
pi->mvdd_low_smio[MVDD_LOW_INDEX] =
gpio_pins & gpio_mask;
return 0;
}
u8 rv770_get_memory_module_index(struct radeon_device *rdev)
{
return (u8) ((RREG32(BIOS_SCRATCH_4) >> 16) & 0xff);
}
static int rv770_get_mvdd_configuration(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u8 memory_module_index;
struct atom_memory_info memory_info;
memory_module_index = rv770_get_memory_module_index(rdev);
if (radeon_atom_get_memory_info(rdev, memory_module_index, &memory_info)) {
pi->mvdd_control = false;
return 0;
}
pi->mvdd_split_frequency =
rv770_get_mclk_split_point(&memory_info);
if (pi->mvdd_split_frequency == 0) {
pi->mvdd_control = false;
return 0;
}
return rv770_get_mvdd_pin_configuration(rdev);
}
void rv770_enable_voltage_control(struct radeon_device *rdev,
bool enable)
{
if (enable)
WREG32_P(GENERAL_PWRMGT, VOLT_PWRMGT_EN, ~VOLT_PWRMGT_EN);
else
WREG32_P(GENERAL_PWRMGT, 0, ~VOLT_PWRMGT_EN);
}
static void rv770_program_display_gap(struct radeon_device *rdev)
{
u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
if (rdev->pm.dpm.new_active_crtcs & 1) {
tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
} else if (rdev->pm.dpm.new_active_crtcs & 2) {
tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
} else {
tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
}
WREG32(CG_DISPLAY_GAP_CNTL, tmp);
}
static void rv770_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
bool enable)
{
rv770_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);
}
static void r7xx_program_memory_timing_parameters(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state)
{
if ((rdev->family == CHIP_RV730) ||
(rdev->family == CHIP_RV710) ||
(rdev->family == CHIP_RV740))
rv730_program_memory_timing_parameters(rdev, radeon_new_state);
else
rv770_program_memory_timing_parameters(rdev, radeon_new_state);
}
static int rv770_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 = rv770_convert_power_state_to_smc(rdev, radeon_new_state, &state);
if (ret)
return ret;
return rv770_copy_bytes_to_smc(rdev, address, (const u8 *)&state,
sizeof(RV770_SMC_SWSTATE),
pi->sram_end);
}
int rv770_halt_smc(struct radeon_device *rdev)
{
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_Halt) != PPSMC_Result_OK)
return -EINVAL;
if (rv770_wait_for_smc_inactive(rdev) != PPSMC_Result_OK)
return -EINVAL;
return 0;
}
int rv770_resume_smc(struct radeon_device *rdev)
{
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_Resume) != PPSMC_Result_OK)
return -EINVAL;
return 0;
}
int rv770_set_sw_state(struct radeon_device *rdev)
{
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToSwState) != PPSMC_Result_OK)
DRM_DEBUG("rv770_set_sw_state failed\n");
return 0;
}
int rv770_set_boot_state(struct radeon_device *rdev)
{
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToInitialState) != PPSMC_Result_OK)
return -EINVAL;
return 0;
}
void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_ps,
struct radeon_ps *old_ps)
{
struct rv7xx_ps *new_state = rv770_get_ps(new_ps);
struct rv7xx_ps *current_state = rv770_get_ps(old_ps);
if ((new_ps->vclk == old_ps->vclk) &&
(new_ps->dclk == old_ps->dclk))
return;
if (new_state->high.sclk >= current_state->high.sclk)
return;
radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
}
void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_ps,
struct radeon_ps *old_ps)
{
struct rv7xx_ps *new_state = rv770_get_ps(new_ps);
struct rv7xx_ps *current_state = rv770_get_ps(old_ps);
if ((new_ps->vclk == old_ps->vclk) &&
(new_ps->dclk == old_ps->dclk))
return;
if (new_state->high.sclk < current_state->high.sclk)
return;
radeon_set_uvd_clocks(rdev, new_ps->vclk, new_ps->dclk);
}
int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev)
{
if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_NoForcedLevel)) != PPSMC_Result_OK)
return -EINVAL;
if (rv770_send_msg_to_smc(rdev, (PPSMC_Msg)(PPSMC_MSG_TwoLevelsDisabled)) != PPSMC_Result_OK)
return -EINVAL;
return 0;
}
int rv770_dpm_force_performance_level(struct radeon_device *rdev,
enum radeon_dpm_forced_level level)
{
PPSMC_Msg msg;
if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ZeroLevelsDisabled) != PPSMC_Result_OK)
return -EINVAL;
msg = PPSMC_MSG_ForceHigh;
} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
return -EINVAL;
msg = (PPSMC_Msg)(PPSMC_MSG_TwoLevelsDisabled);
} else {
if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_NoForcedLevel) != PPSMC_Result_OK)
return -EINVAL;
msg = (PPSMC_Msg)(PPSMC_MSG_ZeroLevelsDisabled);
}
if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK)
return -EINVAL;
rdev->pm.dpm.forced_level = level;
return 0;
}
void r7xx_start_smc(struct radeon_device *rdev)
{
rv770_start_smc(rdev);
rv770_start_smc_clock(rdev);
}
void r7xx_stop_smc(struct radeon_device *rdev)
{
rv770_reset_smc(rdev);
rv770_stop_smc_clock(rdev);
}
static void rv770_read_clock_registers(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
pi->clk_regs.rv770.cg_spll_func_cntl =
RREG32(CG_SPLL_FUNC_CNTL);
pi->clk_regs.rv770.cg_spll_func_cntl_2 =
RREG32(CG_SPLL_FUNC_CNTL_2);
pi->clk_regs.rv770.cg_spll_func_cntl_3 =
RREG32(CG_SPLL_FUNC_CNTL_3);
pi->clk_regs.rv770.cg_spll_spread_spectrum =
RREG32(CG_SPLL_SPREAD_SPECTRUM);
pi->clk_regs.rv770.cg_spll_spread_spectrum_2 =
RREG32(CG_SPLL_SPREAD_SPECTRUM_2);
pi->clk_regs.rv770.mpll_ad_func_cntl =
RREG32(MPLL_AD_FUNC_CNTL);
pi->clk_regs.rv770.mpll_ad_func_cntl_2 =
RREG32(MPLL_AD_FUNC_CNTL_2);
pi->clk_regs.rv770.mpll_dq_func_cntl =
RREG32(MPLL_DQ_FUNC_CNTL);
pi->clk_regs.rv770.mpll_dq_func_cntl_2 =
RREG32(MPLL_DQ_FUNC_CNTL_2);
pi->clk_regs.rv770.mclk_pwrmgt_cntl =
RREG32(MCLK_PWRMGT_CNTL);
pi->clk_regs.rv770.dll_cntl = RREG32(DLL_CNTL);
}
static void r7xx_read_clock_registers(struct radeon_device *rdev)
{
if (rdev->family == CHIP_RV740)
rv740_read_clock_registers(rdev);
else if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
rv730_read_clock_registers(rdev);
else
rv770_read_clock_registers(rdev);
}
void rv770_read_voltage_smio_registers(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
pi->s0_vid_lower_smio_cntl =
RREG32(S0_VID_LOWER_SMIO_CNTL);
}
void rv770_reset_smio_status(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 sw_smio_index, vid_smio_cntl;
sw_smio_index =
(RREG32(GENERAL_PWRMGT) & SW_SMIO_INDEX_MASK) >> SW_SMIO_INDEX_SHIFT;
switch (sw_smio_index) {
case 3:
vid_smio_cntl = RREG32(S3_VID_LOWER_SMIO_CNTL);
break;
case 2:
vid_smio_cntl = RREG32(S2_VID_LOWER_SMIO_CNTL);
break;
case 1:
vid_smio_cntl = RREG32(S1_VID_LOWER_SMIO_CNTL);
break;
case 0:
return;
default:
vid_smio_cntl = pi->s0_vid_lower_smio_cntl;
break;
}
WREG32(S0_VID_LOWER_SMIO_CNTL, vid_smio_cntl);
WREG32_P(GENERAL_PWRMGT, SW_SMIO_INDEX(0), ~SW_SMIO_INDEX_MASK);
}
void rv770_get_memory_type(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 tmp;
tmp = RREG32(MC_SEQ_MISC0);
if (((tmp & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT) ==
MC_SEQ_MISC0_GDDR5_VALUE)
pi->mem_gddr5 = true;
else
pi->mem_gddr5 = false;
}
void rv770_get_pcie_gen2_status(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u32 tmp;
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) {
if (tmp & LC_CURRENT_DATA_RATE)
pi->boot_in_gen2 = true;
else
pi->boot_in_gen2 = false;
} else
pi->boot_in_gen2 = false;
}
#if 0
static int rv770_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_TILING_CONFIG);
}
WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower),
~HOST_SMC_MSG_MASK);
udelay(7000);
return 0;
}
static int rv770_exit_ulp_state(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
int i;
WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_ResumeFromMinimumPower),
~HOST_SMC_MSG_MASK);
udelay(7000);
for (i = 0; i < rdev->usec_timeout; i++) {
if (((RREG32(SMC_MSG) & HOST_SMC_RESP_MASK) >> HOST_SMC_RESP_SHIFT) == 1)
break;
udelay(1000);
}
if (pi->gfx_clock_gating)
WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
return 0;
}
#endif
static void rv770_get_mclk_odt_threshold(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u8 memory_module_index;
struct atom_memory_info memory_info;
pi->mclk_odt_threshold = 0;
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710)) {
memory_module_index = rv770_get_memory_module_index(rdev);
if (radeon_atom_get_memory_info(rdev, memory_module_index, &memory_info))
return;
if (memory_info.mem_type == MEM_TYPE_DDR2 ||
memory_info.mem_type == MEM_TYPE_DDR3)
pi->mclk_odt_threshold = 30000;
}
}
void rv770_get_max_vddc(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
u16 vddc;
if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc))
pi->max_vddc = 0;
else
pi->max_vddc = vddc;
}
void rv770_program_response_times(struct radeon_device *rdev)
{
u32 voltage_response_time, backbias_response_time;
u32 acpi_delay_time, vbi_time_out;
u32 vddc_dly, bb_dly, acpi_dly, vbi_dly;
u32 reference_clock;
voltage_response_time = (u32)rdev->pm.dpm.voltage_response_time;
backbias_response_time = (u32)rdev->pm.dpm.backbias_response_time;
if (voltage_response_time == 0)
voltage_response_time = 1000;
if (backbias_response_time == 0)
backbias_response_time = 1000;
acpi_delay_time = 15000;
vbi_time_out = 100000;
reference_clock = radeon_get_xclk(rdev);
vddc_dly = (voltage_response_time * reference_clock) / 1600;
bb_dly = (backbias_response_time * reference_clock) / 1600;
acpi_dly = (acpi_delay_time * reference_clock) / 1600;
vbi_dly = (vbi_time_out * reference_clock) / 1600;
rv770_write_smc_soft_register(rdev,
RV770_SMC_SOFT_REGISTER_delay_vreg, vddc_dly);
rv770_write_smc_soft_register(rdev,
RV770_SMC_SOFT_REGISTER_delay_bbias, bb_dly);
rv770_write_smc_soft_register(rdev,
RV770_SMC_SOFT_REGISTER_delay_acpi, acpi_dly);
rv770_write_smc_soft_register(rdev,
RV770_SMC_SOFT_REGISTER_mclk_chg_timeout, vbi_dly);
#if 0
/* XXX look up hw revision */
if (WEKIVA_A21)
rv770_write_smc_soft_register(rdev,
RV770_SMC_SOFT_REGISTER_baby_step_timer,
0x10);
#endif
}
static void rv770_program_dcodt_before_state_switch(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state,
struct radeon_ps *radeon_current_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state);
struct rv7xx_ps *current_state = rv770_get_ps(radeon_current_state);
bool current_use_dc = false;
bool new_use_dc = false;
if (pi->mclk_odt_threshold == 0)
return;
if (current_state->high.mclk <= pi->mclk_odt_threshold)
current_use_dc = true;
if (new_state->high.mclk <= pi->mclk_odt_threshold)
new_use_dc = true;
if (current_use_dc == new_use_dc)
return;
if (!current_use_dc && new_use_dc)
return;
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
rv730_program_dcodt(rdev, new_use_dc);
}
static void rv770_program_dcodt_after_state_switch(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state,
struct radeon_ps *radeon_current_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state);
struct rv7xx_ps *current_state = rv770_get_ps(radeon_current_state);
bool current_use_dc = false;
bool new_use_dc = false;
if (pi->mclk_odt_threshold == 0)
return;
if (current_state->high.mclk <= pi->mclk_odt_threshold)
current_use_dc = true;
if (new_state->high.mclk <= pi->mclk_odt_threshold)
new_use_dc = true;
if (current_use_dc == new_use_dc)
return;
if (current_use_dc && !new_use_dc)
return;
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
rv730_program_dcodt(rdev, new_use_dc);
}
static void rv770_retrieve_odt_values(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if (pi->mclk_odt_threshold == 0)
return;
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
rv730_get_odt_values(rdev);
}
static void rv770_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
bool want_thermal_protection;
enum radeon_dpm_event_src dpm_event_src;
switch (sources) {
case 0:
default:
want_thermal_protection = false;
break;
case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL):
want_thermal_protection = true;
dpm_event_src = RADEON_DPM_EVENT_SRC_DIGITAL;
break;
case (1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
want_thermal_protection = true;
dpm_event_src = RADEON_DPM_EVENT_SRC_EXTERNAL;
break;
case ((1 << RADEON_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
(1 << RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL)):
want_thermal_protection = true;
dpm_event_src = RADEON_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
break;
}
if (want_thermal_protection) {
WREG32_P(CG_THERMAL_CTRL, DPM_EVENT_SRC(dpm_event_src), ~DPM_EVENT_SRC_MASK);
if (pi->thermal_protection)
WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
} else {
WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
}
}
void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
enum radeon_dpm_auto_throttle_src source,
bool enable)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if (enable) {
if (!(pi->active_auto_throttle_sources & (1 << source))) {
pi->active_auto_throttle_sources |= 1 << source;
rv770_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
}
} else {
if (pi->active_auto_throttle_sources & (1 << source)) {
pi->active_auto_throttle_sources &= ~(1 << source);
rv770_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
}
}
}
static int rv770_set_thermal_temperature_range(struct radeon_device *rdev,
int min_temp, int max_temp)
{
int low_temp = 0 * 1000;
int high_temp = 255 * 1000;
if (low_temp < min_temp)
low_temp = min_temp;
if (high_temp > max_temp)
high_temp = max_temp;
if (high_temp < low_temp) {
DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
return -EINVAL;
}
WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
rdev->pm.dpm.thermal.min_temp = low_temp;
rdev->pm.dpm.thermal.max_temp = high_temp;
return 0;
}
int rv770_dpm_enable(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_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 = rv770_construct_vddc_table(rdev);
if (ret) {
DRM_ERROR("rv770_construct_vddc_table failed\n");
return ret;
}
}
if (pi->dcodt)
rv770_retrieve_odt_values(rdev);
if (pi->mvdd_control) {
ret = rv770_get_mvdd_configuration(rdev);
if (ret) {
DRM_ERROR("rv770_get_mvdd_configuration failed\n");
return ret;
}
}
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
rv770_enable_backbias(rdev, true);
rv770_enable_spread_spectrum(rdev, true);
if (pi->thermal_protection)
rv770_enable_thermal_protection(rdev, true);
rv770_program_mpll_timing_parameters(rdev);
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);
rv770_enable_display_gap(rdev);
rv770_program_vc(rdev);
if (pi->dynamic_pcie_gen2)
rv770_enable_dynamic_pcie_gen2(rdev, true);
ret = rv770_upload_firmware(rdev);
if (ret) {
DRM_ERROR("rv770_upload_firmware failed\n");
return ret;
}
ret = rv770_init_smc_table(rdev, boot_ps);
if (ret) {
DRM_ERROR("rv770_init_smc_table failed\n");
return ret;
}
rv770_program_response_times(rdev);
r7xx_start_smc(rdev);
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
rv730_start_dpm(rdev);
else
rv770_start_dpm(rdev);
if (pi->gfx_clock_gating)
rv770_gfx_clock_gating_enable(rdev, true);
if (pi->mg_clock_gating)
rv770_mg_clock_gating_enable(rdev, true);
rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
return 0;
}
int rv770_dpm_late_enable(struct radeon_device *rdev)
{
int ret;
if (rdev->irq.installed &&
r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
PPSMC_Result result;
ret = rv770_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
if (ret)
return ret;
rdev->irq.dpm_thermal = true;
radeon_irq_set(rdev);
result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableThermalInterrupt);
if (result != PPSMC_Result_OK)
DRM_DEBUG_KMS("Could not enable thermal interrupts.\n");
}
return 0;
}
void rv770_dpm_disable(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
if (!rv770_dpm_enabled(rdev))
return;
rv770_clear_vc(rdev);
if (pi->thermal_protection)
rv770_enable_thermal_protection(rdev, false);
rv770_enable_spread_spectrum(rdev, false);
if (pi->dynamic_pcie_gen2)
rv770_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)
rv770_gfx_clock_gating_enable(rdev, false);
if (pi->mg_clock_gating)
rv770_mg_clock_gating_enable(rdev, false);
if ((rdev->family == CHIP_RV730) || (rdev->family == CHIP_RV710))
rv730_stop_dpm(rdev);
else
rv770_stop_dpm(rdev);
r7xx_stop_smc(rdev);
rv770_reset_smio_status(rdev);
}
int rv770_dpm_set_power_state(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_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;
}
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 = rv770_upload_sw_state(rdev, new_ps);
if (ret) {
DRM_ERROR("rv770_upload_sw_state failed\n");
return ret;
}
r7xx_program_memory_timing_parameters(rdev, new_ps);
if (pi->dcodt)
rv770_program_dcodt_before_state_switch(rdev, new_ps, old_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;
}
if (pi->dcodt)
rv770_program_dcodt_after_state_switch(rdev, new_ps, old_ps);
rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
return 0;
}
#if 0
void rv770_dpm_reset_asic(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
rv770_restrict_performance_levels_before_switch(rdev);
if (pi->dcodt)
rv770_program_dcodt_before_state_switch(rdev, boot_ps, boot_ps);
rv770_set_boot_state(rdev);
if (pi->dcodt)
rv770_program_dcodt_after_state_switch(rdev, boot_ps, boot_ps);
}
#endif
void rv770_dpm_setup_asic(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
r7xx_read_clock_registers(rdev);
rv770_read_voltage_smio_registers(rdev);
rv770_get_memory_type(rdev);
if (pi->dcodt)
rv770_get_mclk_odt_threshold(rdev);
rv770_get_pcie_gen2_status(rdev);
rv770_enable_acpi_pm(rdev);
if (radeon_aspm != 0) {
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s)
rv770_enable_l0s(rdev);
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1)
rv770_enable_l1(rdev);
if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1)
rv770_enable_pll_sleep_in_l1(rdev);
}
}
void rv770_dpm_display_configuration_changed(struct radeon_device *rdev)
{
rv770_program_display_gap(rdev);
}
union power_info {
struct _ATOM_POWERPLAY_INFO info;
struct _ATOM_POWERPLAY_INFO_V2 info_2;
struct _ATOM_POWERPLAY_INFO_V3 info_3;
struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
};
union pplib_clock_info {
struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
};
union pplib_power_state {
struct _ATOM_PPLIB_STATE v1;
struct _ATOM_PPLIB_STATE_V2 v2;
};
static void rv7xx_parse_pplib_non_clock_info(struct radeon_device *rdev,
struct radeon_ps *rps,
struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
u8 table_rev)
{
rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
rps->class = le16_to_cpu(non_clock_info->usClassification);
rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
} else {
rps->vclk = 0;
rps->dclk = 0;
}
if (r600_is_uvd_state(rps->class, rps->class2)) {
if ((rps->vclk == 0) || (rps->dclk == 0)) {
rps->vclk = RV770_DEFAULT_VCLK_FREQ;
rps->dclk = RV770_DEFAULT_DCLK_FREQ;
}
}
if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT)
rdev->pm.dpm.boot_ps = rps;
if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
rdev->pm.dpm.uvd_ps = rps;
}
static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev,
struct radeon_ps *rps, int index,
union pplib_clock_info *clock_info)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
struct rv7xx_ps *ps = rv770_get_ps(rps);
u32 sclk, mclk;
struct rv7xx_pl *pl;
switch (index) {
case 0:
pl = &ps->low;
break;
case 1:
pl = &ps->medium;
break;
case 2:
default:
pl = &ps->high;
break;
}
if (rdev->family >= CHIP_CEDAR) {
sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);
} else {
sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
sclk |= clock_info->r600.ucEngineClockHigh << 16;
mclk = le16_to_cpu(clock_info->r600.usMemoryClockLow);
mclk |= clock_info->r600.ucMemoryClockHigh << 16;
pl->vddc = le16_to_cpu(clock_info->r600.usVDDC);
pl->flags = le32_to_cpu(clock_info->r600.ulFlags);
}
pl->mclk = mclk;
pl->sclk = sclk;
/* patch up vddc if necessary */
if (pl->vddc == 0xff01) {
if (pi->max_vddc)
pl->vddc = pi->max_vddc;
}
if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) {
pi->acpi_vddc = pl->vddc;
if (rdev->family >= CHIP_CEDAR)
eg_pi->acpi_vddci = pl->vddci;
if (ps->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2)
pi->acpi_pcie_gen2 = true;
else
pi->acpi_pcie_gen2 = false;
}
if (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) {
if (rdev->family >= CHIP_BARTS) {
eg_pi->ulv.supported = true;
eg_pi->ulv.pl = pl;
}
}
if (pi->min_vddc_in_table > pl->vddc)
pi->min_vddc_in_table = pl->vddc;
if (pi->max_vddc_in_table < pl->vddc)
pi->max_vddc_in_table = pl->vddc;
/* patch up boot state */
if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
u16 vddc, vddci, mvdd;
radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
pl->mclk = rdev->clock.default_mclk;
pl->sclk = rdev->clock.default_sclk;
pl->vddc = vddc;
pl->vddci = vddci;
}
if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
}
}
int rv7xx_parse_power_table(struct radeon_device *rdev)
{
struct radeon_mode_info *mode_info = &rdev->mode_info;
struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
union pplib_power_state *power_state;
int i, j;
union pplib_clock_info *clock_info;
union power_info *power_info;
int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
u16 data_offset;
u8 frev, crev;
struct rv7xx_ps *ps;
if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset))
return -EINVAL;
power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
rdev->pm.dpm.ps = kzalloc(sizeof(struct radeon_ps) *
power_info->pplib.ucNumStates, GFP_KERNEL);
if (!rdev->pm.dpm.ps)
return -ENOMEM;
for (i = 0; i < power_info->pplib.ucNumStates; i++) {
power_state = (union pplib_power_state *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib.usStateArrayOffset) +
i * power_info->pplib.ucStateEntrySize);
non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
(power_state->v1.ucNonClockStateIndex *
power_info->pplib.ucNonClockSize));
if (power_info->pplib.ucStateEntrySize - 1) {
u8 *idx;
ps = kzalloc(sizeof(struct rv7xx_ps), GFP_KERNEL);
if (ps == NULL) {
kfree(rdev->pm.dpm.ps);
return -ENOMEM;
}
rdev->pm.dpm.ps[i].ps_priv = ps;
rv7xx_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
non_clock_info,
power_info->pplib.ucNonClockSize);
idx = (u8 *)&power_state->v1.ucClockStateIndices[0];
for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
clock_info = (union pplib_clock_info *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
(idx[j] * power_info->pplib.ucClockInfoSize));
rv7xx_parse_pplib_clock_info(rdev,
&rdev->pm.dpm.ps[i], j,
clock_info);
}
}
}
rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
return 0;
}
void rv770_get_engine_memory_ss(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct radeon_atom_ss ss;
pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
ASIC_INTERNAL_ENGINE_SS, 0);
pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
ASIC_INTERNAL_MEMORY_SS, 0);
if (pi->sclk_ss || pi->mclk_ss)
pi->dynamic_ss = true;
else
pi->dynamic_ss = false;
}
int rv770_dpm_init(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi;
struct atom_clock_dividers dividers;
int ret;
pi = kzalloc(sizeof(struct rv7xx_power_info), GFP_KERNEL);
if (pi == NULL)
return -ENOMEM;
rdev->pm.dpm.priv = pi;
rv770_get_max_vddc(rdev);
pi->acpi_vddc = 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, &dividers);
if (ret)
pi->ref_div = dividers.ref_div + 1;
else
pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
pi->mclk_strobe_mode_threshold = 30000;
pi->mclk_edc_enable_threshold = 30000;
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);
rv770_get_engine_memory_ss(rdev);
pi->asi = RV770_ASI_DFLT;
pi->pasi = RV770_HASI_DFLT;
pi->vrc = RV770_VRC_DFLT;
pi->power_gating = false;
pi->gfx_clock_gating = true;
pi->mg_clock_gating = true;
pi->mgcgtssm = true;
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;
pi->mclk_stutter_mode_threshold = 0;
pi->sram_end = SMC_RAM_END;
pi->state_table_start = RV770_SMC_TABLE_ADDRESS;
pi->soft_regs_start = RV770_SMC_SOFT_REGISTERS_START;
return 0;
}
void rv770_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *rps)
{
struct rv7xx_ps *ps = rv770_get_ps(rps);
struct rv7xx_pl *pl;
r600_dpm_print_class_info(rps->class, rps->class2);
r600_dpm_print_cap_info(rps->caps);
printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
if (rdev->family >= CHIP_CEDAR) {
pl = &ps->low;
printk("\t\tpower level 0 sclk: %u mclk: %u vddc: %u vddci: %u\n",
pl->sclk, pl->mclk, pl->vddc, pl->vddci);
pl = &ps->medium;
printk("\t\tpower level 1 sclk: %u mclk: %u vddc: %u vddci: %u\n",
pl->sclk, pl->mclk, pl->vddc, pl->vddci);
pl = &ps->high;
printk("\t\tpower level 2 sclk: %u mclk: %u vddc: %u vddci: %u\n",
pl->sclk, pl->mclk, pl->vddc, pl->vddci);
} else {
pl = &ps->low;
printk("\t\tpower level 0 sclk: %u mclk: %u vddc: %u\n",
pl->sclk, pl->mclk, pl->vddc);
pl = &ps->medium;
printk("\t\tpower level 1 sclk: %u mclk: %u vddc: %u\n",
pl->sclk, pl->mclk, pl->vddc);
pl = &ps->high;
printk("\t\tpower level 2 sclk: %u mclk: %u vddc: %u\n",
pl->sclk, pl->mclk, pl->vddc);
}
r600_dpm_print_ps_status(rdev, rps);
}
void rv770_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
struct seq_file *m)
{
struct radeon_ps *rps = rdev->pm.dpm.current_ps;
struct rv7xx_ps *ps = rv770_get_ps(rps);
struct rv7xx_pl *pl;
u32 current_index =
(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
CURRENT_PROFILE_INDEX_SHIFT;
if (current_index > 2) {
seq_printf(m, "invalid dpm profile %d\n", current_index);
} else {
if (current_index == 0)
pl = &ps->low;
else if (current_index == 1)
pl = &ps->medium;
else /* current_index == 2 */
pl = &ps->high;
seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
if (rdev->family >= CHIP_CEDAR) {
seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n",
current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
} else {
seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
current_index, pl->sclk, pl->mclk, pl->vddc);
}
}
}
u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev)
{
struct radeon_ps *rps = rdev->pm.dpm.current_ps;
struct rv7xx_ps *ps = rv770_get_ps(rps);
struct rv7xx_pl *pl;
u32 current_index =
(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
CURRENT_PROFILE_INDEX_SHIFT;
if (current_index > 2) {
return 0;
} else {
if (current_index == 0)
pl = &ps->low;
else if (current_index == 1)
pl = &ps->medium;
else /* current_index == 2 */
pl = &ps->high;
return pl->sclk;
}
}
u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev)
{
struct radeon_ps *rps = rdev->pm.dpm.current_ps;
struct rv7xx_ps *ps = rv770_get_ps(rps);
struct rv7xx_pl *pl;
u32 current_index =
(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
CURRENT_PROFILE_INDEX_SHIFT;
if (current_index > 2) {
return 0;
} else {
if (current_index == 0)
pl = &ps->low;
else if (current_index == 1)
pl = &ps->medium;
else /* current_index == 2 */
pl = &ps->high;
return pl->mclk;
}
}
void rv770_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);
}
u32 rv770_dpm_get_sclk(struct radeon_device *rdev, bool low)
{
struct rv7xx_ps *requested_state = rv770_get_ps(rdev->pm.dpm.requested_ps);
if (low)
return requested_state->low.sclk;
else
return requested_state->high.sclk;
}
u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low)
{
struct rv7xx_ps *requested_state = rv770_get_ps(rdev->pm.dpm.requested_ps);
if (low)
return requested_state->low.mclk;
else
return requested_state->high.mclk;
}
bool rv770_dpm_vblank_too_short(struct radeon_device *rdev)
{
u32 vblank_time = r600_dpm_get_vblank_time(rdev);
u32 switch_limit = 200; /* 300 */
/* RV770 */
/* mclk switching doesn't seem to work reliably on desktop RV770s */
if ((rdev->family == CHIP_RV770) &&
!(rdev->flags & RADEON_IS_MOBILITY))
switch_limit = 0xffffffff; /* disable mclk switching */
if (vblank_time < switch_limit)
return true;
else
return false;
}
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