On Wed, Jun 26, 2013 at 6:46 AM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote:
> On Wed, Jun 26, 2013 at 09:22:35AM -0400, alexdeucher@xxxxxxxxx wrote:
>> From: Alex Deucher <alexander.deucher@xxxxxxx>
>>
>> This adds dpm support for rs780/rs880 asics. This includes:
>> - clockgating
>> - dynamic engine clock scaling
>> - dynamic voltage scaling
>>
>> set radeon.dpm=1 to enable it.
>>
>> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
>
> Depending on the answer to inline question :
>
> Reviewed-by: Jerome Glisse <jglisse@xxxxxxxxxx>
>
>> ---
>> drivers/gpu/drm/radeon/Makefile | 2 +-
>> drivers/gpu/drm/radeon/radeon_asic.c | 12 +
>> drivers/gpu/drm/radeon/radeon_asic.h | 12 +
>> drivers/gpu/drm/radeon/radeon_pm.c | 7 +
>> drivers/gpu/drm/radeon/rs780_dpm.c | 894 ++++++++++++++++++++++++++++++++++
>> drivers/gpu/drm/radeon/rs780_dpm.h | 109 ++++
>> drivers/gpu/drm/radeon/rs780d.h | 168 +++++++
>> 7 files changed, 1203 insertions(+), 1 deletions(-)
>> create mode 100644 drivers/gpu/drm/radeon/rs780_dpm.c
>> create mode 100644 drivers/gpu/drm/radeon/rs780_dpm.h
>> create mode 100644 drivers/gpu/drm/radeon/rs780d.h
>>
>> diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
>> index a131a13..e44b046 100644
>> --- a/drivers/gpu/drm/radeon/Makefile
>> +++ b/drivers/gpu/drm/radeon/Makefile
>> @@ -77,7 +77,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
>> evergreen_hdmi.o radeon_trace_points.o ni.o cayman_blit_shaders.o \
>> atombios_encoders.o radeon_semaphore.o radeon_sa.o atombios_i2c.o si.o \
>> si_blit_shaders.o radeon_prime.o radeon_uvd.o cik.o cik_blit_shaders.o \
>> - r600_dpm.o
>> + r600_dpm.o rs780_dpm.o
>>
>> radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
>> radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
>> diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
>> index d9c8e9a..db3c930 100644
>> --- a/drivers/gpu/drm/radeon/radeon_asic.c
>> +++ b/drivers/gpu/drm/radeon/radeon_asic.c
>> @@ -1194,6 +1194,18 @@ static struct radeon_asic rs780_asic = {
>> .set_clock_gating = NULL,
>> .get_temperature = &rv6xx_get_temp,
>> },
>> + .dpm = {
>> + .init = &rs780_dpm_init,
>> + .setup_asic = &rs780_dpm_setup_asic,
>> + .enable = &rs780_dpm_enable,
>> + .disable = &rs780_dpm_disable,
>> + .set_power_state = &rs780_dpm_set_power_state,
>> + .display_configuration_changed = &rs780_dpm_display_configuration_changed,
>> + .fini = &rs780_dpm_fini,
>> + .get_sclk = &rs780_dpm_get_sclk,
>> + .get_mclk = &rs780_dpm_get_mclk,
>> + .print_power_state = &rs780_dpm_print_power_state,
>> + },
>> .pflip = {
>> .pre_page_flip = &rs600_pre_page_flip,
>> .page_flip = &rs600_page_flip,
>> diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
>> index 8507cae..134bf57 100644
>> --- a/drivers/gpu/drm/radeon/radeon_asic.h
>> +++ b/drivers/gpu/drm/radeon/radeon_asic.h
>> @@ -396,6 +396,18 @@ int r600_mc_wait_for_idle(struct radeon_device *rdev);
>> u32 r600_get_xclk(struct radeon_device *rdev);
>> uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev);
>> int rv6xx_get_temp(struct radeon_device *rdev);
>> +/* rs780 dpm */
>> +int rs780_dpm_init(struct radeon_device *rdev);
>> +int rs780_dpm_enable(struct radeon_device *rdev);
>> +void rs780_dpm_disable(struct radeon_device *rdev);
>> +int rs780_dpm_set_power_state(struct radeon_device *rdev);
>> +void rs780_dpm_setup_asic(struct radeon_device *rdev);
>> +void rs780_dpm_display_configuration_changed(struct radeon_device *rdev);
>> +void rs780_dpm_fini(struct radeon_device *rdev);
>> +u32 rs780_dpm_get_sclk(struct radeon_device *rdev, bool low);
>> +u32 rs780_dpm_get_mclk(struct radeon_device *rdev, bool low);
>> +void rs780_dpm_print_power_state(struct radeon_device *rdev,
>> + struct radeon_ps *ps);
>>
>> /* uvd */
>> int r600_uvd_init(struct radeon_device *rdev);
>> diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
>> index 4f5422e..853a8a2 100644
>> --- a/drivers/gpu/drm/radeon/radeon_pm.c
>> +++ b/drivers/gpu/drm/radeon/radeon_pm.c
>> @@ -1030,6 +1030,13 @@ int radeon_pm_init(struct radeon_device *rdev)
>> {
>> /* enable dpm on rv6xx+ */
>> switch (rdev->family) {
>> + case CHIP_RS780:
>> + case CHIP_RS880:
>> + if (radeon_dpm == 1)
>> + rdev->pm.pm_method = PM_METHOD_DPM;
>> + else
>> + rdev->pm.pm_method = PM_METHOD_PROFILE;
>> + break;
>> default:
>> /* default to profile method */
>> rdev->pm.pm_method = PM_METHOD_PROFILE;
>> diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c
>> new file mode 100644
>> index 0000000..f594900
>> --- /dev/null
>> +++ b/drivers/gpu/drm/radeon/rs780_dpm.c
>> @@ -0,0 +1,894 @@
>> +/*
>> + * 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 "rs780d.h"
>> +#include "r600_dpm.h"
>> +#include "rs780_dpm.h"
>> +#include "atom.h"
>> +
>> +static struct igp_ps *rs780_get_ps(struct radeon_ps *rps)
>> +{
>> + struct igp_ps *ps = rps->ps_priv;
>> +
>> + return ps;
>> +}
>> +
>> +static struct igp_power_info *rs780_get_pi(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rdev->pm.dpm.priv;
>> +
>> + return pi;
>> +}
>> +
>> +static void rs780_get_pm_mode_parameters(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> + struct radeon_mode_info *minfo = &rdev->mode_info;
>> + struct drm_crtc *crtc;
>> + struct radeon_crtc *radeon_crtc;
>> + int i;
>> +
>> + /* defaults */
>> + pi->crtc_id = 0;
>> + pi->refresh_rate = 60;
>> +
>> + for (i = 0; i < rdev->num_crtc; i++) {
>> + crtc = (struct drm_crtc *)minfo->crtcs[i];
>> + if (crtc && crtc->enabled) {
>> + radeon_crtc = to_radeon_crtc(crtc);
>> + pi->crtc_id = radeon_crtc->crtc_id;
>> + if (crtc->mode.htotal && crtc->mode.vtotal)
>> + pi->refresh_rate =
>> + (crtc->mode.clock * 1000) /
>> + (crtc->mode.htotal * crtc->mode.vtotal);
>> + break;
>> + }
>> + }
>
> Ok this looks wrong to me you look for the first enabled crtc but on those iirc
> there could be 2 so first one might be a low refresh rate and second one an higher
> one. Thus returning the first one might lead to PM decision that are wrong.
>
On RS780/RS880, the hardware can only synchronize with a single crtc,
so it doesn't really matter which one we pick as long as it's active.
>> +}
>> +
>> +static void rs780_voltage_scaling_enable(struct radeon_device *rdev, bool enable);
>> +
>> +static int rs780_initialize_dpm_power_state(struct radeon_device *rdev)
>> +{
>> + struct atom_clock_dividers dividers;
>> + struct igp_ps *default_state = rs780_get_ps(rdev->pm.dpm.boot_ps);
>> + int i, ret;
>> +
>> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
>> + default_state->sclk_low, false, ÷rs);
>> + if (ret)
>> + return ret;
>> +
>> + r600_engine_clock_entry_set_reference_divider(rdev, 0, dividers.ref_div);
>> + r600_engine_clock_entry_set_feedback_divider(rdev, 0, dividers.fb_div);
>> + r600_engine_clock_entry_set_post_divider(rdev, 0, dividers.post_div);
>> +
>> + if (dividers.enable_post_div)
>> + r600_engine_clock_entry_enable_post_divider(rdev, 0, true);
>> + else
>> + r600_engine_clock_entry_enable_post_divider(rdev, 0, false);
>> +
>> + r600_engine_clock_entry_set_step_time(rdev, 0, R600_SST_DFLT);
>> + r600_engine_clock_entry_enable_pulse_skipping(rdev, 0, false);
>> +
>> + r600_engine_clock_entry_enable(rdev, 0, true);
>> + for (i = 1; i < R600_PM_NUMBER_OF_SCLKS; i++)
>> + r600_engine_clock_entry_enable(rdev, i, false);
>> +
>> + r600_enable_mclk_control(rdev, false);
>> + r600_voltage_control_enable_pins(rdev, 0);
>> +
>> + return 0;
>> +}
>> +
>> +static int rs780_initialize_dpm_parameters(struct radeon_device *rdev)
>> +{
>> + int ret = 0;
>> + int i;
>> +
>> + r600_set_bsp(rdev, R600_BSU_DFLT, R600_BSP_DFLT);
>> +
>> + r600_set_at(rdev, 0, 0, 0, 0);
>> +
>> + r600_set_git(rdev, R600_GICST_DFLT);
>> +
>> + for (i = 0; i < R600_PM_NUMBER_OF_TC; i++)
>> + r600_set_tc(rdev, i, 0, 0);
>> +
>> + r600_select_td(rdev, R600_TD_DFLT);
>> + r600_set_vrc(rdev, 0);
>> +
>> + r600_set_tpu(rdev, R600_TPU_DFLT);
>> + r600_set_tpc(rdev, R600_TPC_DFLT);
>> +
>> + r600_set_sstu(rdev, R600_SSTU_DFLT);
>> + r600_set_sst(rdev, R600_SST_DFLT);
>> +
>> + r600_set_fctu(rdev, R600_FCTU_DFLT);
>> + r600_set_fct(rdev, R600_FCT_DFLT);
>> +
>> + r600_set_vddc3d_oorsu(rdev, R600_VDDC3DOORSU_DFLT);
>> + r600_set_vddc3d_oorphc(rdev, R600_VDDC3DOORPHC_DFLT);
>> + r600_set_vddc3d_oorsdc(rdev, R600_VDDC3DOORSDC_DFLT);
>> + r600_set_ctxcgtt3d_rphc(rdev, R600_CTXCGTT3DRPHC_DFLT);
>> + r600_set_ctxcgtt3d_rsdc(rdev, R600_CTXCGTT3DRSDC_DFLT);
>> +
>> + r600_vid_rt_set_vru(rdev, R600_VRU_DFLT);
>> + r600_vid_rt_set_vrt(rdev, R600_VOLTAGERESPONSETIME_DFLT);
>> + r600_vid_rt_set_ssu(rdev, R600_SPLLSTEPUNIT_DFLT);
>> +
>> + ret = rs780_initialize_dpm_power_state(rdev);
>> +
>> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_LOW, 0);
>> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_MEDIUM, 0);
>> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_HIGH, 0);
>> +
>> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_LOW, 0);
>> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_MEDIUM, 0);
>> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_HIGH, 0);
>> +
>> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_LOW, 0);
>> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_MEDIUM, 0);
>> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_HIGH, 0);
>> +
>> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_LOW, R600_DISPLAY_WATERMARK_HIGH);
>> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_MEDIUM, R600_DISPLAY_WATERMARK_HIGH);
>> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_HIGH, R600_DISPLAY_WATERMARK_HIGH);
>> +
>> + r600_power_level_enable(rdev, R600_POWER_LEVEL_CTXSW, false);
>> + r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, false);
>> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
>> + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
>> +
>> + r600_power_level_set_enter_index(rdev, R600_POWER_LEVEL_LOW);
>> +
>> + r600_set_vrc(rdev, RS780_CGFTV_DFLT);
>> +
>> + return ret;
>> +}
>> +
>> +static void rs780_start_dpm(struct radeon_device *rdev)
>> +{
>> + r600_enable_sclk_control(rdev, false);
>> + r600_enable_mclk_control(rdev, false);
>> +
>> + r600_dynamicpm_enable(rdev, true);
>> +
>> + radeon_wait_for_vblank(rdev, 0);
>> + radeon_wait_for_vblank(rdev, 1);
>> +
>> + r600_enable_spll_bypass(rdev, true);
>> + r600_wait_for_spll_change(rdev);
>> + r600_enable_spll_bypass(rdev, false);
>> + r600_wait_for_spll_change(rdev);
>> +
>> + r600_enable_spll_bypass(rdev, true);
>> + r600_wait_for_spll_change(rdev);
>> + r600_enable_spll_bypass(rdev, false);
>> + r600_wait_for_spll_change(rdev);
>> +
>> + r600_enable_sclk_control(rdev, true);
>> +}
>> +
>> +
>> +static void rs780_preset_ranges_slow_clk_fbdiv_en(struct radeon_device *rdev)
>> +{
>> + WREG32_P(FVTHROT_SLOW_CLK_FEEDBACK_DIV_REG1, RANGE_SLOW_CLK_FEEDBACK_DIV_EN,
>> + ~RANGE_SLOW_CLK_FEEDBACK_DIV_EN);
>> +
>> + WREG32_P(FVTHROT_SLOW_CLK_FEEDBACK_DIV_REG1,
>> + RANGE0_SLOW_CLK_FEEDBACK_DIV(RS780_SLOWCLKFEEDBACKDIV_DFLT),
>> + ~RANGE0_SLOW_CLK_FEEDBACK_DIV_MASK);
>> +}
>> +
>> +static void rs780_preset_starting_fbdiv(struct radeon_device *rdev)
>> +{
>> + u32 fbdiv = (RREG32(CG_SPLL_FUNC_CNTL) & SPLL_FB_DIV_MASK) >> SPLL_FB_DIV_SHIFT;
>> +
>> + WREG32_P(FVTHROT_FBDIV_REG1, STARTING_FEEDBACK_DIV(fbdiv),
>> + ~STARTING_FEEDBACK_DIV_MASK);
>> +
>> + WREG32_P(FVTHROT_FBDIV_REG2, FORCED_FEEDBACK_DIV(fbdiv),
>> + ~FORCED_FEEDBACK_DIV_MASK);
>> +
>> + WREG32_P(FVTHROT_FBDIV_REG1, FORCE_FEEDBACK_DIV, ~FORCE_FEEDBACK_DIV);
>> +}
>> +
>> +static void rs780_voltage_scaling_init(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> + struct drm_device *dev = rdev->ddev;
>> + u32 fv_throt_pwm_fb_div_range[3];
>> + u32 fv_throt_pwm_range[4];
>> +
>> + if (dev->pdev->device == 0x9614) {
>> + fv_throt_pwm_fb_div_range[0] = RS780D_FVTHROTPWMFBDIVRANGEREG0_DFLT;
>> + fv_throt_pwm_fb_div_range[1] = RS780D_FVTHROTPWMFBDIVRANGEREG1_DFLT;
>> + fv_throt_pwm_fb_div_range[2] = RS780D_FVTHROTPWMFBDIVRANGEREG2_DFLT;
>> + } else if ((dev->pdev->device == 0x9714) ||
>> + (dev->pdev->device == 0x9715)) {
>> + fv_throt_pwm_fb_div_range[0] = RS880D_FVTHROTPWMFBDIVRANGEREG0_DFLT;
>> + fv_throt_pwm_fb_div_range[1] = RS880D_FVTHROTPWMFBDIVRANGEREG1_DFLT;
>> + fv_throt_pwm_fb_div_range[2] = RS880D_FVTHROTPWMFBDIVRANGEREG2_DFLT;
>> + } else {
>> + fv_throt_pwm_fb_div_range[0] = RS780_FVTHROTPWMFBDIVRANGEREG0_DFLT;
>> + fv_throt_pwm_fb_div_range[1] = RS780_FVTHROTPWMFBDIVRANGEREG1_DFLT;
>> + fv_throt_pwm_fb_div_range[2] = RS780_FVTHROTPWMFBDIVRANGEREG2_DFLT;
>> + }
>> +
>> + if (pi->pwm_voltage_control) {
>> + fv_throt_pwm_range[0] = pi->min_voltage;
>> + fv_throt_pwm_range[1] = pi->min_voltage;
>> + fv_throt_pwm_range[2] = pi->max_voltage;
>> + fv_throt_pwm_range[3] = pi->max_voltage;
>> + } else {
>> + fv_throt_pwm_range[0] = pi->invert_pwm_required ?
>> + RS780_FVTHROTPWMRANGE3_GPIO_DFLT : RS780_FVTHROTPWMRANGE0_GPIO_DFLT;
>> + fv_throt_pwm_range[1] = pi->invert_pwm_required ?
>> + RS780_FVTHROTPWMRANGE2_GPIO_DFLT : RS780_FVTHROTPWMRANGE1_GPIO_DFLT;
>> + fv_throt_pwm_range[2] = pi->invert_pwm_required ?
>> + RS780_FVTHROTPWMRANGE1_GPIO_DFLT : RS780_FVTHROTPWMRANGE2_GPIO_DFLT;
>> + fv_throt_pwm_range[3] = pi->invert_pwm_required ?
>> + RS780_FVTHROTPWMRANGE0_GPIO_DFLT : RS780_FVTHROTPWMRANGE3_GPIO_DFLT;
>> + }
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0,
>> + STARTING_PWM_HIGHTIME(pi->max_voltage),
>> + ~STARTING_PWM_HIGHTIME_MASK);
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0,
>> + NUMBER_OF_CYCLES_IN_PERIOD(pi->num_of_cycles_in_period),
>> + ~NUMBER_OF_CYCLES_IN_PERIOD_MASK);
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0, FORCE_STARTING_PWM_HIGHTIME,
>> + ~FORCE_STARTING_PWM_HIGHTIME);
>> +
>> + if (pi->invert_pwm_required)
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0, INVERT_PWM_WAVEFORM, ~INVERT_PWM_WAVEFORM);
>> + else
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0, 0, ~INVERT_PWM_WAVEFORM);
>> +
>> + rs780_voltage_scaling_enable(rdev, true);
>> +
>> + WREG32(FVTHROT_PWM_CTRL_REG1,
>> + (MIN_PWM_HIGHTIME(pi->min_voltage) |
>> + MAX_PWM_HIGHTIME(pi->max_voltage)));
>> +
>> + WREG32(FVTHROT_PWM_US_REG0, RS780_FVTHROTPWMUSREG0_DFLT);
>> + WREG32(FVTHROT_PWM_US_REG1, RS780_FVTHROTPWMUSREG1_DFLT);
>> + WREG32(FVTHROT_PWM_DS_REG0, RS780_FVTHROTPWMDSREG0_DFLT);
>> + WREG32(FVTHROT_PWM_DS_REG1, RS780_FVTHROTPWMDSREG1_DFLT);
>> +
>> + WREG32_P(FVTHROT_PWM_FEEDBACK_DIV_REG1,
>> + RANGE0_PWM_FEEDBACK_DIV(fv_throt_pwm_fb_div_range[0]),
>> + ~RANGE0_PWM_FEEDBACK_DIV_MASK);
>> +
>> + WREG32(FVTHROT_PWM_FEEDBACK_DIV_REG2,
>> + (RANGE1_PWM_FEEDBACK_DIV(fv_throt_pwm_fb_div_range[1]) |
>> + RANGE2_PWM_FEEDBACK_DIV(fv_throt_pwm_fb_div_range[2])));
>> +
>> + WREG32(FVTHROT_PWM_FEEDBACK_DIV_REG3,
>> + (RANGE0_PWM(fv_throt_pwm_range[1]) |
>> + RANGE1_PWM(fv_throt_pwm_range[2])));
>> + WREG32(FVTHROT_PWM_FEEDBACK_DIV_REG4,
>> + (RANGE2_PWM(fv_throt_pwm_range[1]) |
>> + RANGE3_PWM(fv_throt_pwm_range[2])));
>> +}
>> +
>> +static void rs780_clk_scaling_enable(struct radeon_device *rdev, bool enable)
>> +{
>> + if (enable)
>> + WREG32_P(FVTHROT_CNTRL_REG, ENABLE_FV_THROT | ENABLE_FV_UPDATE,
>> + ~(ENABLE_FV_THROT | ENABLE_FV_UPDATE));
>> + else
>> + WREG32_P(FVTHROT_CNTRL_REG, 0,
>> + ~(ENABLE_FV_THROT | ENABLE_FV_UPDATE));
>> +}
>> +
>> +static void rs780_voltage_scaling_enable(struct radeon_device *rdev, bool enable)
>> +{
>> + if (enable)
>> + WREG32_P(FVTHROT_CNTRL_REG, ENABLE_FV_THROT_IO, ~ENABLE_FV_THROT_IO);
>> + else
>> + WREG32_P(FVTHROT_CNTRL_REG, 0, ~ENABLE_FV_THROT_IO);
>> +}
>> +
>> +static void rs780_set_engine_clock_wfc(struct radeon_device *rdev)
>> +{
>> + WREG32(FVTHROT_UTC0, RS780_FVTHROTUTC0_DFLT);
>> + WREG32(FVTHROT_UTC1, RS780_FVTHROTUTC1_DFLT);
>> + WREG32(FVTHROT_UTC2, RS780_FVTHROTUTC2_DFLT);
>> + WREG32(FVTHROT_UTC3, RS780_FVTHROTUTC3_DFLT);
>> + WREG32(FVTHROT_UTC4, RS780_FVTHROTUTC4_DFLT);
>> +
>> + WREG32(FVTHROT_DTC0, RS780_FVTHROTDTC0_DFLT);
>> + WREG32(FVTHROT_DTC1, RS780_FVTHROTDTC1_DFLT);
>> + WREG32(FVTHROT_DTC2, RS780_FVTHROTDTC2_DFLT);
>> + WREG32(FVTHROT_DTC3, RS780_FVTHROTDTC3_DFLT);
>> + WREG32(FVTHROT_DTC4, RS780_FVTHROTDTC4_DFLT);
>> +}
>> +
>> +static void rs780_set_engine_clock_sc(struct radeon_device *rdev)
>> +{
>> + WREG32_P(FVTHROT_FBDIV_REG2,
>> + FB_DIV_TIMER_VAL(RS780_FBDIVTIMERVAL_DFLT),
>> + ~FB_DIV_TIMER_VAL_MASK);
>> +
>> + WREG32_P(FVTHROT_CNTRL_REG,
>> + REFRESH_RATE_DIVISOR(0) | MINIMUM_CIP(0xf),
>> + ~(REFRESH_RATE_DIVISOR_MASK | MINIMUM_CIP_MASK));
>> +}
>> +
>> +static void rs780_set_engine_clock_tdc(struct radeon_device *rdev)
>> +{
>> + WREG32_P(FVTHROT_CNTRL_REG, 0, ~(FORCE_TREND_SEL | TREND_SEL_MODE));
>> +}
>> +
>> +static void rs780_set_engine_clock_ssc(struct radeon_device *rdev)
>> +{
>> + WREG32(FVTHROT_FB_US_REG0, RS780_FVTHROTFBUSREG0_DFLT);
>> + WREG32(FVTHROT_FB_US_REG1, RS780_FVTHROTFBUSREG1_DFLT);
>> + WREG32(FVTHROT_FB_DS_REG0, RS780_FVTHROTFBDSREG0_DFLT);
>> + WREG32(FVTHROT_FB_DS_REG1, RS780_FVTHROTFBDSREG1_DFLT);
>> +
>> + WREG32_P(FVTHROT_FBDIV_REG1, MAX_FEEDBACK_STEP(1), ~MAX_FEEDBACK_STEP_MASK);
>> +}
>> +
>> +static void rs780_program_at(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + WREG32(FVTHROT_TARGET_REG, 30000000 / pi->refresh_rate);
>> + WREG32(FVTHROT_CB1, 1000000 * 5 / pi->refresh_rate);
>> + WREG32(FVTHROT_CB2, 1000000 * 10 / pi->refresh_rate);
>> + WREG32(FVTHROT_CB3, 1000000 * 30 / pi->refresh_rate);
>> + WREG32(FVTHROT_CB4, 1000000 * 50 / pi->refresh_rate);
>> +}
>> +
>> +static void rs780_disable_vbios_powersaving(struct radeon_device *rdev)
>> +{
>> + WREG32_P(CG_INTGFX_MISC, 0, ~0xFFF00000);
>> +}
>> +
>> +static void rs780_force_voltage_to_high(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> + struct igp_ps *current_state = rs780_get_ps(rdev->pm.dpm.current_ps);
>> +
>> + if ((current_state->max_voltage == RS780_VDDC_LEVEL_HIGH) &&
>> + (current_state->min_voltage == RS780_VDDC_LEVEL_HIGH))
>> + return;
>> +
>> + WREG32_P(GFX_MACRO_BYPASS_CNTL, SPLL_BYPASS_CNTL, ~SPLL_BYPASS_CNTL);
>> +
>> + udelay(1);
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0,
>> + STARTING_PWM_HIGHTIME(pi->max_voltage),
>> + ~STARTING_PWM_HIGHTIME_MASK);
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0,
>> + FORCE_STARTING_PWM_HIGHTIME, ~FORCE_STARTING_PWM_HIGHTIME);
>> +
>> + WREG32_P(FVTHROT_PWM_FEEDBACK_DIV_REG1, 0,
>> + ~RANGE_PWM_FEEDBACK_DIV_EN);
>> +
>> + udelay(1);
>> +
>> + WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~SPLL_BYPASS_CNTL);
>> +}
>> +
>> +static int rs780_set_engine_clock_scaling(struct radeon_device *rdev)
>> +{
>> + struct atom_clock_dividers min_dividers, max_dividers, current_max_dividers;
>> + struct igp_ps *new_state = rs780_get_ps(rdev->pm.dpm.requested_ps);
>> + struct igp_ps *old_state = rs780_get_ps(rdev->pm.dpm.current_ps);
>> + int ret;
>> +
>> + if ((new_state->sclk_high == old_state->sclk_high) &&
>> + (new_state->sclk_low == old_state->sclk_low))
>> + return 0;
>> +
>> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
>> + new_state->sclk_low, false, &min_dividers);
>> + if (ret)
>> + return ret;
>> +
>> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
>> + new_state->sclk_high, false, &max_dividers);
>> + if (ret)
>> + return ret;
>> +
>> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
>> + old_state->sclk_high, false, ¤t_max_dividers);
>> + if (ret)
>> + return ret;
>> +
>> + WREG32_P(GFX_MACRO_BYPASS_CNTL, SPLL_BYPASS_CNTL, ~SPLL_BYPASS_CNTL);
>> +
>> + WREG32_P(FVTHROT_FBDIV_REG2, FORCED_FEEDBACK_DIV(max_dividers.fb_div),
>> + ~FORCED_FEEDBACK_DIV_MASK);
>> + WREG32_P(FVTHROT_FBDIV_REG1, STARTING_FEEDBACK_DIV(max_dividers.fb_div),
>> + ~STARTING_FEEDBACK_DIV_MASK);
>> + WREG32_P(FVTHROT_FBDIV_REG1, FORCE_FEEDBACK_DIV, ~FORCE_FEEDBACK_DIV);
>> +
>> + udelay(100);
>> +
>> + WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~SPLL_BYPASS_CNTL);
>> +
>> + if (max_dividers.fb_div > min_dividers.fb_div) {
>> + WREG32_P(FVTHROT_FBDIV_REG0,
>> + MIN_FEEDBACK_DIV(min_dividers.fb_div) |
>> + MAX_FEEDBACK_DIV(max_dividers.fb_div),
>> + ~(MIN_FEEDBACK_DIV_MASK | MAX_FEEDBACK_DIV_MASK));
>> +
>> + WREG32_P(FVTHROT_FBDIV_REG1, 0, ~FORCE_FEEDBACK_DIV);
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static void rs780_set_engine_clock_spc(struct radeon_device *rdev)
>> +{
>> + struct igp_ps *new_state = rs780_get_ps(rdev->pm.dpm.requested_ps);
>> + struct igp_ps *old_state = rs780_get_ps(rdev->pm.dpm.current_ps);
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + if ((new_state->sclk_high == old_state->sclk_high) &&
>> + (new_state->sclk_low == old_state->sclk_low))
>> + return;
>> +
>> + if (pi->crtc_id == 0)
>> + WREG32_P(CG_INTGFX_MISC, 0, ~FVTHROT_VBLANK_SEL);
>> + else
>> + WREG32_P(CG_INTGFX_MISC, FVTHROT_VBLANK_SEL, ~FVTHROT_VBLANK_SEL);
>> +
>> +}
>> +
>> +static void rs780_activate_engine_clk_scaling(struct radeon_device *rdev)
>> +{
>> + struct igp_ps *new_state = rs780_get_ps(rdev->pm.dpm.requested_ps);
>> + struct igp_ps *old_state = rs780_get_ps(rdev->pm.dpm.current_ps);
>> +
>> + if ((new_state->sclk_high == old_state->sclk_high) &&
>> + (new_state->sclk_low == old_state->sclk_low))
>> + return;
>> +
>> + rs780_clk_scaling_enable(rdev, true);
>> +}
>> +
>> +static u32 rs780_get_voltage_for_vddc_level(struct radeon_device *rdev,
>> + enum rs780_vddc_level vddc)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + if (vddc == RS780_VDDC_LEVEL_HIGH)
>> + return pi->max_voltage;
>> + else if (vddc == RS780_VDDC_LEVEL_LOW)
>> + return pi->min_voltage;
>> + else
>> + return pi->max_voltage;
>> +}
>> +
>> +static void rs780_enable_voltage_scaling(struct radeon_device *rdev)
>> +{
>> + struct igp_ps *new_state = rs780_get_ps(rdev->pm.dpm.requested_ps);
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> + enum rs780_vddc_level vddc_high, vddc_low;
>> +
>> + udelay(100);
>> +
>> + if ((new_state->max_voltage == RS780_VDDC_LEVEL_HIGH) &&
>> + (new_state->min_voltage == RS780_VDDC_LEVEL_HIGH))
>> + return;
>> +
>> + vddc_high = rs780_get_voltage_for_vddc_level(rdev,
>> + new_state->max_voltage);
>> + vddc_low = rs780_get_voltage_for_vddc_level(rdev,
>> + new_state->min_voltage);
>> +
>> + WREG32_P(GFX_MACRO_BYPASS_CNTL, SPLL_BYPASS_CNTL, ~SPLL_BYPASS_CNTL);
>> +
>> + udelay(1);
>> + if (vddc_high > vddc_low) {
>> + WREG32_P(FVTHROT_PWM_FEEDBACK_DIV_REG1,
>> + RANGE_PWM_FEEDBACK_DIV_EN, ~RANGE_PWM_FEEDBACK_DIV_EN);
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0, 0, ~FORCE_STARTING_PWM_HIGHTIME);
>> + } else if (vddc_high == vddc_low) {
>> + if (pi->max_voltage != vddc_high) {
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0,
>> + STARTING_PWM_HIGHTIME(vddc_high),
>> + ~STARTING_PWM_HIGHTIME_MASK);
>> +
>> + WREG32_P(FVTHROT_PWM_CTRL_REG0,
>> + FORCE_STARTING_PWM_HIGHTIME,
>> + ~FORCE_STARTING_PWM_HIGHTIME);
>> + }
>> + }
>> +
>> + WREG32_P(GFX_MACRO_BYPASS_CNTL, 0, ~SPLL_BYPASS_CNTL);
>> +}
>> +
>> +int rs780_dpm_enable(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + rs780_get_pm_mode_parameters(rdev);
>> + rs780_disable_vbios_powersaving(rdev);
>> +
>> + if (r600_dynamicpm_enabled(rdev))
>> + return -EINVAL;
>> + if (rs780_initialize_dpm_parameters(rdev))
>> + return -EINVAL;
>> + rs780_start_dpm(rdev);
>> +
>> + rs780_preset_ranges_slow_clk_fbdiv_en(rdev);
>> + rs780_preset_starting_fbdiv(rdev);
>> + if (pi->voltage_control)
>> + rs780_voltage_scaling_init(rdev);
>> + rs780_clk_scaling_enable(rdev, true);
>> + rs780_set_engine_clock_sc(rdev);
>> + rs780_set_engine_clock_wfc(rdev);
>> + rs780_program_at(rdev);
>> + rs780_set_engine_clock_tdc(rdev);
>> + rs780_set_engine_clock_ssc(rdev);
>> +
>> + if (pi->gfx_clock_gating)
>> + r600_gfx_clockgating_enable(rdev, true);
>> +
>> + return 0;
>> +}
>> +
>> +void rs780_dpm_disable(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + r600_dynamicpm_enable(rdev, false);
>> +
>> + rs780_clk_scaling_enable(rdev, false);
>> + rs780_voltage_scaling_enable(rdev, false);
>> +
>> + if (pi->gfx_clock_gating)
>> + r600_gfx_clockgating_enable(rdev, false);
>> +}
>> +
>> +int rs780_dpm_set_power_state(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + rs780_get_pm_mode_parameters(rdev);
>> +
>> + if (pi->voltage_control) {
>> + rs780_force_voltage_to_high(rdev);
>> + mdelay(5);
>> + }
>> +
>> + rs780_set_engine_clock_scaling(rdev);
>> + rs780_set_engine_clock_spc(rdev);
>> +
>> + rs780_activate_engine_clk_scaling(rdev);
>> +
>> + if (pi->voltage_control)
>> + rs780_enable_voltage_scaling(rdev);
>> +
>> + return 0;
>> +}
>> +
>> +void rs780_dpm_setup_asic(struct radeon_device *rdev)
>> +{
>> +
>> +}
>> +
>> +void rs780_dpm_display_configuration_changed(struct radeon_device *rdev)
>> +{
>> + rs780_get_pm_mode_parameters(rdev);
>> + rs780_program_at(rdev);
>> +}
>> +
>> +union igp_info {
>> + struct _ATOM_INTEGRATED_SYSTEM_INFO info;
>> + struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
>> +};
>> +
>> +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 rs780_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 if (r600_is_uvd_state(rps->class, rps->class2)) {
>> + rps->vclk = RS780_DEFAULT_VCLK_FREQ;
>> + rps->dclk = RS780_DEFAULT_DCLK_FREQ;
>> + } else {
>> + rps->vclk = 0;
>> + rps->dclk = 0;
>> + }
>> +
>> + 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 rs780_parse_pplib_clock_info(struct radeon_device *rdev,
>> + struct radeon_ps *rps,
>> + union pplib_clock_info *clock_info)
>> +{
>> + struct igp_ps *ps = rs780_get_ps(rps);
>> + u32 sclk;
>> +
>> + sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow);
>> + sclk |= clock_info->rs780.ucLowEngineClockHigh << 16;
>> + ps->sclk_low = sclk;
>> + sclk = le16_to_cpu(clock_info->rs780.usHighEngineClockLow);
>> + sclk |= clock_info->rs780.ucHighEngineClockHigh << 16;
>> + ps->sclk_high = sclk;
>> + switch (le16_to_cpu(clock_info->rs780.usVDDC)) {
>> + case ATOM_PPLIB_RS780_VOLTAGE_NONE:
>> + default:
>> + ps->min_voltage = RS780_VDDC_LEVEL_UNKNOWN;
>> + ps->max_voltage = RS780_VDDC_LEVEL_UNKNOWN;
>> + break;
>> + case ATOM_PPLIB_RS780_VOLTAGE_LOW:
>> + ps->min_voltage = RS780_VDDC_LEVEL_LOW;
>> + ps->max_voltage = RS780_VDDC_LEVEL_LOW;
>> + break;
>> + case ATOM_PPLIB_RS780_VOLTAGE_HIGH:
>> + ps->min_voltage = RS780_VDDC_LEVEL_HIGH;
>> + ps->max_voltage = RS780_VDDC_LEVEL_HIGH;
>> + break;
>> + case ATOM_PPLIB_RS780_VOLTAGE_VARIABLE:
>> + ps->min_voltage = RS780_VDDC_LEVEL_LOW;
>> + ps->max_voltage = RS780_VDDC_LEVEL_HIGH;
>> + break;
>> + }
>> + ps->flags = le32_to_cpu(clock_info->rs780.ulFlags);
>> +
>> + if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
>> + ps->sclk_low = rdev->clock.default_sclk;
>> + ps->sclk_high = rdev->clock.default_sclk;
>> + ps->min_voltage = RS780_VDDC_LEVEL_HIGH;
>> + ps->max_voltage = RS780_VDDC_LEVEL_HIGH;
>> + }
>> +}
>> +
>> +static int rs780_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;
>> + union pplib_clock_info *clock_info;
>> + union power_info *power_info;
>> + int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
>> + u16 data_offset;
>> + u8 frev, crev;
>> + struct igp_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;
>> + rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
>> + rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
>> + rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
>> +
>> + 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) {
>> + clock_info = (union pplib_clock_info *)
>> + (mode_info->atom_context->bios + data_offset +
>> + le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
>> + (power_state->v1.ucClockStateIndices[0] *
>> + power_info->pplib.ucClockInfoSize));
>> + ps = kzalloc(sizeof(struct igp_ps), GFP_KERNEL);
>> + if (ps == NULL) {
>> + kfree(rdev->pm.dpm.ps);
>> + return -ENOMEM;
>> + }
>> + rdev->pm.dpm.ps[i].ps_priv = ps;
>> + rs780_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
>> + non_clock_info,
>> + power_info->pplib.ucNonClockSize);
>> + rs780_parse_pplib_clock_info(rdev,
>> + &rdev->pm.dpm.ps[i],
>> + clock_info);
>> + }
>> + }
>> + rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
>> + return 0;
>> +}
>> +
>> +int rs780_dpm_init(struct radeon_device *rdev)
>> +{
>> + struct igp_power_info *pi;
>> + int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
>> + union igp_info *info;
>> + u16 data_offset;
>> + u8 frev, crev;
>> + int ret;
>> +
>> + pi = kzalloc(sizeof(struct igp_power_info), GFP_KERNEL);
>> + if (pi == NULL)
>> + return -ENOMEM;
>> + rdev->pm.dpm.priv = pi;
>> +
>> + ret = rs780_parse_power_table(rdev);
>> + if (ret)
>> + return ret;
>> +
>> + pi->voltage_control = false;
>> + pi->gfx_clock_gating = true;
>> +
>> + if (atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
>> + &frev, &crev, &data_offset)) {
>> + info = (union igp_info *)(rdev->mode_info.atom_context->bios + data_offset);
>> +
>> + /* Get various system informations from bios */
>> + switch (crev) {
>> + case 1:
>> + pi->num_of_cycles_in_period =
>> + info->info.ucNumberOfCyclesInPeriod;
>> + pi->num_of_cycles_in_period |=
>> + info->info.ucNumberOfCyclesInPeriodHi << 8;
>> + pi->invert_pwm_required =
>> + (pi->num_of_cycles_in_period & 0x8000) ? true : false;
>> + pi->boot_voltage = info->info.ucStartingPWM_HighTime;
>> + pi->max_voltage = info->info.ucMaxNBVoltage;
>> + pi->max_voltage |= info->info.ucMaxNBVoltageHigh << 8;
>> + pi->min_voltage = info->info.ucMinNBVoltage;
>> + pi->min_voltage |= info->info.ucMinNBVoltageHigh << 8;
>> + pi->inter_voltage_low =
>> + le16_to_cpu(info->info.usInterNBVoltageLow);
>> + pi->inter_voltage_high =
>> + le16_to_cpu(info->info.usInterNBVoltageHigh);
>> + pi->voltage_control = true;
>> + pi->bootup_uma_clk = info->info.usK8MemoryClock * 100;
>> + break;
>> + case 2:
>> + pi->num_of_cycles_in_period =
>> + le16_to_cpu(info->info_2.usNumberOfCyclesInPeriod);
>> + pi->invert_pwm_required =
>> + (pi->num_of_cycles_in_period & 0x8000) ? true : false;
>> + pi->boot_voltage =
>> + le16_to_cpu(info->info_2.usBootUpNBVoltage);
>> + pi->max_voltage =
>> + le16_to_cpu(info->info_2.usMaxNBVoltage);
>> + pi->min_voltage =
>> + le16_to_cpu(info->info_2.usMinNBVoltage);
>> + pi->system_config =
>> + le32_to_cpu(info->info_2.ulSystemConfig);
>> + pi->pwm_voltage_control =
>> + (pi->system_config & 0x4) ? true : false;
>> + pi->voltage_control = true;
>> + pi->bootup_uma_clk = le32_to_cpu(info->info_2.ulBootUpUMAClock);
>> + break;
>> + default:
>> + DRM_ERROR("No integrated system info for your GPU\n");
>> + return -EINVAL;
>> + }
>> + if (pi->min_voltage > pi->max_voltage)
>> + pi->voltage_control = false;
>> + if (pi->pwm_voltage_control) {
>> + if ((pi->num_of_cycles_in_period == 0) ||
>> + (pi->max_voltage == 0) ||
>> + (pi->min_voltage == 0))
>> + pi->voltage_control = false;
>> + } else {
>> + if ((pi->num_of_cycles_in_period == 0) ||
>> + (pi->max_voltage == 0))
>> + pi->voltage_control = false;
>> + }
>> +
>> + return 0;
>> + }
>> + radeon_dpm_fini(rdev);
>> + return -EINVAL;
>> +}
>> +
>> +void rs780_dpm_print_power_state(struct radeon_device *rdev,
>> + struct radeon_ps *rps)
>> +{
>> + struct igp_ps *ps = rs780_get_ps(rps);
>> +
>> + 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);
>> + printk("\t\tpower level 0 sclk: %u vddc_index: %d\n",
>> + ps->sclk_low, ps->min_voltage);
>> + printk("\t\tpower level 1 sclk: %u vddc_index: %d\n",
>> + ps->sclk_high, ps->max_voltage);
>> + r600_dpm_print_ps_status(rdev, rps);
>> +}
>> +
>> +void rs780_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 rs780_dpm_get_sclk(struct radeon_device *rdev, bool low)
>> +{
>> + struct igp_ps *requested_state = rs780_get_ps(rdev->pm.dpm.requested_ps);
>> +
>> + if (low)
>> + return requested_state->sclk_low;
>> + else
>> + return requested_state->sclk_high;
>> +}
>> +
>> +u32 rs780_dpm_get_mclk(struct radeon_device *rdev, bool low)
>> +{
>> + struct igp_power_info *pi = rs780_get_pi(rdev);
>> +
>> + return pi->bootup_uma_clk;
>> +}
>> diff --git a/drivers/gpu/drm/radeon/rs780_dpm.h b/drivers/gpu/drm/radeon/rs780_dpm.h
>> new file mode 100644
>> index 0000000..47a40b1
>> --- /dev/null
>> +++ b/drivers/gpu/drm/radeon/rs780_dpm.h
>> @@ -0,0 +1,109 @@
>> +/*
>> + * 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.
>> + *
>> + */
>> +#ifndef __RS780_DPM_H__
>> +#define __RS780_DPM_H__
>> +
>> +enum rs780_vddc_level {
>> + RS780_VDDC_LEVEL_UNKNOWN = 0,
>> + RS780_VDDC_LEVEL_LOW = 1,
>> + RS780_VDDC_LEVEL_HIGH = 2,
>> +};
>> +
>> +struct igp_power_info {
>> + /* flags */
>> + bool invert_pwm_required;
>> + bool pwm_voltage_control;
>> + bool voltage_control;
>> + bool gfx_clock_gating;
>> + /* stored values */
>> + u32 system_config;
>> + u32 bootup_uma_clk;
>> + u16 max_voltage;
>> + u16 min_voltage;
>> + u16 boot_voltage;
>> + u16 inter_voltage_low;
>> + u16 inter_voltage_high;
>> + u16 num_of_cycles_in_period;
>> + /* variable */
>> + int crtc_id;
>> + int refresh_rate;
>> +};
>> +
>> +struct igp_ps {
>> + enum rs780_vddc_level min_voltage;
>> + enum rs780_vddc_level max_voltage;
>> + u32 sclk_low;
>> + u32 sclk_high;
>> + u32 flags;
>> +};
>> +
>> +#define RS780_CGFTV_DFLT 0x0303000f
>> +#define RS780_FBDIVTIMERVAL_DFLT 0x2710
>> +
>> +#define RS780_FVTHROTUTC0_DFLT 0x04010040
>> +#define RS780_FVTHROTUTC1_DFLT 0x04010040
>> +#define RS780_FVTHROTUTC2_DFLT 0x04010040
>> +#define RS780_FVTHROTUTC3_DFLT 0x04010040
>> +#define RS780_FVTHROTUTC4_DFLT 0x04010040
>> +
>> +#define RS780_FVTHROTDTC0_DFLT 0x04010040
>> +#define RS780_FVTHROTDTC1_DFLT 0x04010040
>> +#define RS780_FVTHROTDTC2_DFLT 0x04010040
>> +#define RS780_FVTHROTDTC3_DFLT 0x04010040
>> +#define RS780_FVTHROTDTC4_DFLT 0x04010040
>> +
>> +#define RS780_FVTHROTFBUSREG0_DFLT 0x00001001
>> +#define RS780_FVTHROTFBUSREG1_DFLT 0x00002002
>> +#define RS780_FVTHROTFBDSREG0_DFLT 0x00004001
>> +#define RS780_FVTHROTFBDSREG1_DFLT 0x00020010
>> +
>> +#define RS780_FVTHROTPWMUSREG0_DFLT 0x00002001
>> +#define RS780_FVTHROTPWMUSREG1_DFLT 0x00004003
>> +#define RS780_FVTHROTPWMDSREG0_DFLT 0x00002001
>> +#define RS780_FVTHROTPWMDSREG1_DFLT 0x00004003
>> +
>> +#define RS780_FVTHROTPWMFBDIVRANGEREG0_DFLT 0x37
>> +#define RS780_FVTHROTPWMFBDIVRANGEREG1_DFLT 0x4b
>> +#define RS780_FVTHROTPWMFBDIVRANGEREG2_DFLT 0x8b
>> +
>> +#define RS780D_FVTHROTPWMFBDIVRANGEREG0_DFLT 0x8b
>> +#define RS780D_FVTHROTPWMFBDIVRANGEREG1_DFLT 0x8c
>> +#define RS780D_FVTHROTPWMFBDIVRANGEREG2_DFLT 0xb5
>> +
>> +#define RS880D_FVTHROTPWMFBDIVRANGEREG0_DFLT 0x8d
>> +#define RS880D_FVTHROTPWMFBDIVRANGEREG1_DFLT 0x8e
>> +#define RS880D_FVTHROTPWMFBDIVRANGEREG2_DFLT 0xBa
>> +
>> +#define RS780_FVTHROTPWMRANGE0_GPIO_DFLT 0x1a
>> +#define RS780_FVTHROTPWMRANGE1_GPIO_DFLT 0x1a
>> +#define RS780_FVTHROTPWMRANGE2_GPIO_DFLT 0x0
>> +#define RS780_FVTHROTPWMRANGE3_GPIO_DFLT 0x0
>> +
>> +#define RS780_SLOWCLKFEEDBACKDIV_DFLT 110
>> +
>> +#define RS780_CGCLKGATING_DFLT 0x0000E204
>> +
>> +#define RS780_DEFAULT_VCLK_FREQ 53300 /* 10 khz */
>> +#define RS780_DEFAULT_DCLK_FREQ 40000 /* 10 khz */
>> +
>> +#endif
>> diff --git a/drivers/gpu/drm/radeon/rs780d.h b/drivers/gpu/drm/radeon/rs780d.h
>> new file mode 100644
>> index 0000000..b1142ed
>> --- /dev/null
>> +++ b/drivers/gpu/drm/radeon/rs780d.h
>> @@ -0,0 +1,168 @@
>> +/*
>> + * 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.
>> + *
>> + */
>> +#ifndef __RS780D_H__
>> +#define __RS780D_H__
>> +
>> +#define CG_SPLL_FUNC_CNTL 0x600
>> +# define SPLL_RESET (1 << 0)
>> +# define SPLL_SLEEP (1 << 1)
>> +# define SPLL_REF_DIV(x) ((x) << 2)
>> +# define SPLL_REF_DIV_MASK (7 << 2)
>> +# define SPLL_FB_DIV(x) ((x) << 5)
>> +# define SPLL_FB_DIV_MASK (0xff << 2)
>> +# define SPLL_FB_DIV_SHIFT 2
>> +# define SPLL_PULSEEN (1 << 13)
>> +# define SPLL_PULSENUM(x) ((x) << 14)
>> +# define SPLL_PULSENUM_MASK (3 << 14)
>> +# define SPLL_SW_HILEN(x) ((x) << 16)
>> +# define SPLL_SW_HILEN_MASK (0xf << 16)
>> +# define SPLL_SW_LOLEN(x) ((x) << 20)
>> +# define SPLL_SW_LOLEN_MASK (0xf << 20)
>> +# define SPLL_DIVEN (1 << 24)
>> +# define SPLL_BYPASS_EN (1 << 25)
>> +# define SPLL_CHG_STATUS (1 << 29)
>> +# define SPLL_CTLREQ (1 << 30)
>> +# define SPLL_CTLACK (1 << 31)
>> +
>> +/* RS780/RS880 PM */
>> +#define FVTHROT_CNTRL_REG 0x3000
>> +#define DONT_WAIT_FOR_FBDIV_WRAP (1 << 0)
>> +#define MINIMUM_CIP(x) ((x) << 1)
>> +#define MINIMUM_CIP_SHIFT 1
>> +#define MINIMUM_CIP_MASK 0x1fffffe
>> +#define REFRESH_RATE_DIVISOR(x) ((x) << 25)
>> +#define REFRESH_RATE_DIVISOR_SHIFT 25
>> +#define REFRESH_RATE_DIVISOR_MASK (0x3 << 25)
>> +#define ENABLE_FV_THROT (1 << 27)
>> +#define ENABLE_FV_UPDATE (1 << 28)
>> +#define TREND_SEL_MODE (1 << 29)
>> +#define FORCE_TREND_SEL (1 << 30)
>> +#define ENABLE_FV_THROT_IO (1 << 31)
>> +#define FVTHROT_TARGET_REG 0x3004
>> +#define TARGET_IDLE_COUNT(x) ((x) << 0)
>> +#define TARGET_IDLE_COUNT_MASK 0xffffff
>> +#define TARGET_IDLE_COUNT_SHIFT 0
>> +#define FVTHROT_CB1 0x3008
>> +#define FVTHROT_CB2 0x300c
>> +#define FVTHROT_CB3 0x3010
>> +#define FVTHROT_CB4 0x3014
>> +#define FVTHROT_UTC0 0x3018
>> +#define FVTHROT_UTC1 0x301c
>> +#define FVTHROT_UTC2 0x3020
>> +#define FVTHROT_UTC3 0x3024
>> +#define FVTHROT_UTC4 0x3028
>> +#define FVTHROT_DTC0 0x302c
>> +#define FVTHROT_DTC1 0x3030
>> +#define FVTHROT_DTC2 0x3034
>> +#define FVTHROT_DTC3 0x3038
>> +#define FVTHROT_DTC4 0x303c
>> +#define FVTHROT_FBDIV_REG0 0x3040
>> +#define MIN_FEEDBACK_DIV(x) ((x) << 0)
>> +#define MIN_FEEDBACK_DIV_MASK 0xfff
>> +#define MIN_FEEDBACK_DIV_SHIFT 0
>> +#define MAX_FEEDBACK_DIV(x) ((x) << 12)
>> +#define MAX_FEEDBACK_DIV_MASK (0xfff << 12)
>> +#define MAX_FEEDBACK_DIV_SHIFT 12
>> +#define FVTHROT_FBDIV_REG1 0x3044
>> +#define MAX_FEEDBACK_STEP(x) ((x) << 0)
>> +#define MAX_FEEDBACK_STEP_MASK 0xfff
>> +#define MAX_FEEDBACK_STEP_SHIFT 0
>> +#define STARTING_FEEDBACK_DIV(x) ((x) << 12)
>> +#define STARTING_FEEDBACK_DIV_MASK (0xfff << 12)
>> +#define STARTING_FEEDBACK_DIV_SHIFT 12
>> +#define FORCE_FEEDBACK_DIV (1 << 24)
>> +#define FVTHROT_FBDIV_REG2 0x3048
>> +#define FORCED_FEEDBACK_DIV(x) ((x) << 0)
>> +#define FORCED_FEEDBACK_DIV_MASK 0xfff
>> +#define FORCED_FEEDBACK_DIV_SHIFT 0
>> +#define FB_DIV_TIMER_VAL(x) ((x) << 12)
>> +#define FB_DIV_TIMER_VAL_MASK (0xffff << 12)
>> +#define FB_DIV_TIMER_VAL_SHIFT 12
>> +#define FVTHROT_FB_US_REG0 0x304c
>> +#define FVTHROT_FB_US_REG1 0x3050
>> +#define FVTHROT_FB_DS_REG0 0x3054
>> +#define FVTHROT_FB_DS_REG1 0x3058
>> +#define FVTHROT_PWM_CTRL_REG0 0x305c
>> +#define STARTING_PWM_HIGHTIME(x) ((x) << 0)
>> +#define STARTING_PWM_HIGHTIME_MASK 0xfff
>> +#define STARTING_PWM_HIGHTIME_SHIFT 0
>> +#define NUMBER_OF_CYCLES_IN_PERIOD(x) ((x) << 12)
>> +#define NUMBER_OF_CYCLES_IN_PERIOD_MASK (0xfff << 12)
>> +#define NUMBER_OF_CYCLES_IN_PERIOD_SHIFT 12
>> +#define FORCE_STARTING_PWM_HIGHTIME (1 << 24)
>> +#define INVERT_PWM_WAVEFORM (1 << 25)
>> +#define FVTHROT_PWM_CTRL_REG1 0x3060
>> +#define MIN_PWM_HIGHTIME(x) ((x) << 0)
>> +#define MIN_PWM_HIGHTIME_MASK 0xfff
>> +#define MIN_PWM_HIGHTIME_SHIFT 0
>> +#define MAX_PWM_HIGHTIME(x) ((x) << 12)
>> +#define MAX_PWM_HIGHTIME_MASK (0xfff << 12)
>> +#define MAX_PWM_HIGHTIME_SHIFT 12
>> +#define FVTHROT_PWM_US_REG0 0x3064
>> +#define FVTHROT_PWM_US_REG1 0x3068
>> +#define FVTHROT_PWM_DS_REG0 0x306c
>> +#define FVTHROT_PWM_DS_REG1 0x3070
>> +#define FVTHROT_STATUS_REG0 0x3074
>> +#define CURRENT_FEEDBACK_DIV_MASK 0xfff
>> +#define CURRENT_FEEDBACK_DIV_SHIFT 0
>> +#define FVTHROT_STATUS_REG1 0x3078
>> +#define FVTHROT_STATUS_REG2 0x307c
>> +#define CG_INTGFX_MISC 0x3080
>> +#define FVTHROT_VBLANK_SEL (1 << 9)
>> +#define FVTHROT_PWM_FEEDBACK_DIV_REG1 0x308c
>> +#define RANGE0_PWM_FEEDBACK_DIV(x) ((x) << 0)
>> +#define RANGE0_PWM_FEEDBACK_DIV_MASK 0xfff
>> +#define RANGE0_PWM_FEEDBACK_DIV_SHIFT 0
>> +#define RANGE_PWM_FEEDBACK_DIV_EN (1 << 12)
>> +#define FVTHROT_PWM_FEEDBACK_DIV_REG2 0x3090
>> +#define RANGE1_PWM_FEEDBACK_DIV(x) ((x) << 0)
>> +#define RANGE1_PWM_FEEDBACK_DIV_MASK 0xfff
>> +#define RANGE1_PWM_FEEDBACK_DIV_SHIFT 0
>> +#define RANGE2_PWM_FEEDBACK_DIV(x) ((x) << 12)
>> +#define RANGE2_PWM_FEEDBACK_DIV_MASK (0xfff << 12)
>> +#define RANGE2_PWM_FEEDBACK_DIV_SHIFT 12
>> +#define FVTHROT_PWM_FEEDBACK_DIV_REG3 0x3094
>> +#define RANGE0_PWM(x) ((x) << 0)
>> +#define RANGE0_PWM_MASK 0xfff
>> +#define RANGE0_PWM_SHIFT 0
>> +#define RANGE1_PWM(x) ((x) << 12)
>> +#define RANGE1_PWM_MASK (0xfff << 12)
>> +#define RANGE1_PWM_SHIFT 12
>> +#define FVTHROT_PWM_FEEDBACK_DIV_REG4 0x3098
>> +#define RANGE2_PWM(x) ((x) << 0)
>> +#define RANGE2_PWM_MASK 0xfff
>> +#define RANGE2_PWM_SHIFT 0
>> +#define RANGE3_PWM(x) ((x) << 12)
>> +#define RANGE3_PWM_MASK (0xfff << 12)
>> +#define RANGE3_PWM_SHIFT 12
>> +#define FVTHROT_SLOW_CLK_FEEDBACK_DIV_REG1 0x30ac
>> +#define RANGE0_SLOW_CLK_FEEDBACK_DIV(x) ((x) << 0)
>> +#define RANGE0_SLOW_CLK_FEEDBACK_DIV_MASK 0xfff
>> +#define RANGE0_SLOW_CLK_FEEDBACK_DIV_SHIFT 0
>> +#define RANGE_SLOW_CLK_FEEDBACK_DIV_EN (1 << 12)
>> +
>> +#define GFX_MACRO_BYPASS_CNTL 0x30c0
>> +#define SPLL_BYPASS_CNTL (1 << 0)
>> +#define UPLL_BYPASS_CNTL (1 << 1)
>> +
>> +#endif
>> --
>> 1.7.7.5
>>
>> _______________________________________________
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>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
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