[PATCH 076/165] drm/radeon/kms: add dpm support for rv6xx
Christian König
deathsimple at vodafone.de
Wed Jun 26 09:45:53 PDT 2013
Am 26.06.2013 15:22, schrieb alexdeucher at gmail.com:
> From: Alex Deucher <alexander.deucher at amd.com>
>
> This adds dpm support for rv6xx asics. This includes:
> - clockgating
> - dynamic engine clock scaling
> - dynamic memory clock scaling
> - dynamic voltage scaling
> - dynamic pcie gen1/gen2 switching
>
> Set radeon.dpm=1 to enable.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/radeon/Makefile | 2 +-
> drivers/gpu/drm/radeon/r600.c | 27 +
> drivers/gpu/drm/radeon/r600_dpm.c | 45 +
> drivers/gpu/drm/radeon/r600_dpm.h | 8 +
> drivers/gpu/drm/radeon/r600d.h | 13 +
> drivers/gpu/drm/radeon/radeon.h | 3 +
> drivers/gpu/drm/radeon/radeon_asic.c | 12 +
> drivers/gpu/drm/radeon/radeon_asic.h | 12 +
> drivers/gpu/drm/radeon/radeon_atombios.c | 4 +-
> drivers/gpu/drm/radeon/radeon_irq_kms.c | 2 +
> drivers/gpu/drm/radeon/radeon_mode.h | 2 +
> drivers/gpu/drm/radeon/radeon_pm.c | 9 +
> drivers/gpu/drm/radeon/rs780_dpm.c | 12 +
> drivers/gpu/drm/radeon/rv6xx_dpm.c | 1991 ++++++++++++++++++++++++++++++
> drivers/gpu/drm/radeon/rv6xx_dpm.h | 95 ++
> drivers/gpu/drm/radeon/rv6xxd.h | 246 ++++
> 16 files changed, 2480 insertions(+), 3 deletions(-)
> create mode 100644 drivers/gpu/drm/radeon/rv6xx_dpm.c
> create mode 100644 drivers/gpu/drm/radeon/rv6xx_dpm.h
> create mode 100644 drivers/gpu/drm/radeon/rv6xxd.h
>
> diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
> index e44b046..3aa20dc 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 rs780_dpm.o
> + r600_dpm.o rs780_dpm.o rv6xx_dpm.o
>
> radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
> radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
> diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
> index 4678ed1..7ea81c8 100644
> --- a/drivers/gpu/drm/radeon/r600.c
> +++ b/drivers/gpu/drm/radeon/r600.c
> @@ -3998,6 +3998,7 @@ int r600_irq_set(struct radeon_device *rdev)
> u32 hdmi0, hdmi1;
> u32 d1grph = 0, d2grph = 0;
> u32 dma_cntl;
> + u32 thermal_int = 0;
>
> if (!rdev->irq.installed) {
> WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
> @@ -4032,8 +4033,18 @@ int r600_irq_set(struct radeon_device *rdev)
> hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
> hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
> }
> +
> dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
>
> + if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
> + thermal_int = RREG32(CG_THERMAL_INT) &
> + ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
> + if (rdev->irq.dpm_thermal) {
> + DRM_DEBUG("dpm thermal\n");
> + thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
> + }
> + }
> +
> if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
> DRM_DEBUG("r600_irq_set: sw int\n");
> cp_int_cntl |= RB_INT_ENABLE;
> @@ -4115,6 +4126,9 @@ int r600_irq_set(struct radeon_device *rdev)
> WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
> WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
> }
> + if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
> + WREG32(CG_THERMAL_INT, thermal_int);
> + }
>
> return 0;
> }
> @@ -4306,6 +4320,7 @@ int r600_irq_process(struct radeon_device *rdev)
> u32 ring_index;
> bool queue_hotplug = false;
> bool queue_hdmi = false;
> + bool queue_thermal = false;
>
> if (!rdev->ih.enabled || rdev->shutdown)
> return IRQ_NONE;
> @@ -4473,6 +4488,16 @@ restart_ih:
> DRM_DEBUG("IH: DMA trap\n");
> radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
> break;
> + case 230: /* thermal low to high */
> + DRM_DEBUG("IH: thermal low to high\n");
> + rdev->pm.dpm.thermal.high_to_low = false;
> + queue_thermal = true;
> + break;
> + case 231: /* thermal high to low */
> + DRM_DEBUG("IH: thermal high to low\n");
> + rdev->pm.dpm.thermal.high_to_low = true;
> + queue_thermal = true;
> + break;
> case 233: /* GUI IDLE */
> DRM_DEBUG("IH: GUI idle\n");
> break;
> @@ -4489,6 +4514,8 @@ restart_ih:
> schedule_work(&rdev->hotplug_work);
> if (queue_hdmi)
> schedule_work(&rdev->audio_work);
> + if (queue_thermal)
> + schedule_work(&rdev->pm.dpm.thermal.work);
> rdev->ih.rptr = rptr;
> WREG32(IH_RB_RPTR, rdev->ih.rptr);
> atomic_set(&rdev->ih.lock, 0);
> diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
> index 91bc5ab..bf396a0 100644
> --- a/drivers/gpu/drm/radeon/r600_dpm.c
> +++ b/drivers/gpu/drm/radeon/r600_dpm.c
> @@ -676,3 +676,48 @@ bool r600_is_uvd_state(u32 class, u32 class2)
> return true;
> return false;
> }
> +
> +int r600_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;
> +}
> +
> +bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
> +{
> + switch (sensor) {
> + case THERMAL_TYPE_RV6XX:
> + case THERMAL_TYPE_RV770:
> + case THERMAL_TYPE_EVERGREEN:
> + case THERMAL_TYPE_SUMO:
> + case THERMAL_TYPE_NI:
> + return true;
> + case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
> + case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
> + return false; /* need special handling */
> + case THERMAL_TYPE_NONE:
> + case THERMAL_TYPE_EXTERNAL:
> + case THERMAL_TYPE_EXTERNAL_GPIO:
> + default:
> + return false;
> + }
> +}
> diff --git a/drivers/gpu/drm/radeon/r600_dpm.h b/drivers/gpu/drm/radeon/r600_dpm.h
> index 240a7ed..bd33aa1 100644
> --- a/drivers/gpu/drm/radeon/r600_dpm.h
> +++ b/drivers/gpu/drm/radeon/r600_dpm.h
> @@ -92,6 +92,10 @@
> #define R600_PM_NUMBER_OF_VOLTAGE_LEVELS 4
> #define R600_PM_NUMBER_OF_ACTIVITY_LEVELS 3
>
> +/* XXX are these ok? */
> +#define R600_TEMP_RANGE_MIN (90 * 1000)
> +#define R600_TEMP_RANGE_MAX (120 * 1000)
> +
> enum r600_power_level {
> R600_POWER_LEVEL_LOW = 0,
> R600_POWER_LEVEL_MEDIUM = 1,
> @@ -207,4 +211,8 @@ void r600_wait_for_power_level(struct radeon_device *rdev,
> void r600_start_dpm(struct radeon_device *rdev);
> void r600_stop_dpm(struct radeon_device *rdev);
>
> +int r600_set_thermal_temperature_range(struct radeon_device *rdev,
> + int min_temp, int max_temp);
> +bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor);
> +
> #endif
> diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
> index d6d385a..3bca4db 100644
> --- a/drivers/gpu/drm/radeon/r600d.h
> +++ b/drivers/gpu/drm/radeon/r600d.h
> @@ -302,10 +302,23 @@
> #define GRBM_SOFT_RESET 0x8020
> #define SOFT_RESET_CP (1<<0)
>
> +#define CG_THERMAL_CTRL 0x7F0
> +#define DIG_THERM_DPM(x) ((x) << 12)
> +#define DIG_THERM_DPM_MASK 0x000FF000
> +#define DIG_THERM_DPM_SHIFT 12
> #define CG_THERMAL_STATUS 0x7F4
> #define ASIC_T(x) ((x) << 0)
> #define ASIC_T_MASK 0x1FF
> #define ASIC_T_SHIFT 0
> +#define CG_THERMAL_INT 0x7F8
> +#define DIG_THERM_INTH(x) ((x) << 8)
> +#define DIG_THERM_INTH_MASK 0x0000FF00
> +#define DIG_THERM_INTH_SHIFT 8
> +#define DIG_THERM_INTL(x) ((x) << 16)
> +#define DIG_THERM_INTL_MASK 0x00FF0000
> +#define DIG_THERM_INTL_SHIFT 16
> +#define THERM_INT_MASK_HIGH (1 << 24)
> +#define THERM_INT_MASK_LOW (1 << 25)
>
> #define HDP_HOST_PATH_CNTL 0x2C00
> #define HDP_NONSURFACE_BASE 0x2C04
> diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
> index 7adc7a1..ce36130 100644
> --- a/drivers/gpu/drm/radeon/radeon.h
> +++ b/drivers/gpu/drm/radeon/radeon.h
> @@ -227,6 +227,8 @@ void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
> u32 eng_clock, u32 mem_clock);
> int radeon_atom_get_voltage_step(struct radeon_device *rdev,
> u8 voltage_type, u16 *voltage_step);
> +int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
> + u16 voltage_id, u16 *voltage);
> int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
> u8 voltage_type,
> u16 nominal_voltage,
> @@ -681,6 +683,7 @@ struct radeon_irq {
> bool hpd[RADEON_MAX_HPD_PINS];
> bool afmt[RADEON_MAX_AFMT_BLOCKS];
> union radeon_irq_stat_regs stat_regs;
> + bool dpm_thermal;
> };
>
> int radeon_irq_kms_init(struct radeon_device *rdev);
> diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
> index db3c930..4705b02 100644
> --- a/drivers/gpu/drm/radeon/radeon_asic.c
> +++ b/drivers/gpu/drm/radeon/radeon_asic.c
> @@ -1105,6 +1105,18 @@ static struct radeon_asic rv6xx_asic = {
> .set_clock_gating = NULL,
> .get_temperature = &rv6xx_get_temp,
> },
> + .dpm = {
> + .init = &rv6xx_dpm_init,
> + .setup_asic = &rv6xx_setup_asic,
> + .enable = &rv6xx_dpm_enable,
> + .disable = &rv6xx_dpm_disable,
> + .set_power_state = &rv6xx_dpm_set_power_state,
> + .display_configuration_changed = &rv6xx_dpm_display_configuration_changed,
> + .fini = &rv6xx_dpm_fini,
> + .get_sclk = &rv6xx_dpm_get_sclk,
> + .get_mclk = &rv6xx_dpm_get_mclk,
> + .print_power_state = &rv6xx_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 134bf57..878766624 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);
> +/* rv6xx dpm */
> +int rv6xx_dpm_init(struct radeon_device *rdev);
> +int rv6xx_dpm_enable(struct radeon_device *rdev);
> +void rv6xx_dpm_disable(struct radeon_device *rdev);
> +int rv6xx_dpm_set_power_state(struct radeon_device *rdev);
> +void rv6xx_setup_asic(struct radeon_device *rdev);
> +void rv6xx_dpm_display_configuration_changed(struct radeon_device *rdev);
> +void rv6xx_dpm_fini(struct radeon_device *rdev);
> +u32 rv6xx_dpm_get_sclk(struct radeon_device *rdev, bool low);
> +u32 rv6xx_dpm_get_mclk(struct radeon_device *rdev, bool low);
> +void rv6xx_dpm_print_power_state(struct radeon_device *rdev,
> + struct radeon_ps *ps);
> /* rs780 dpm */
> int rs780_dpm_init(struct radeon_device *rdev);
> int rs780_dpm_enable(struct radeon_device *rdev);
> diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
> index 90401fd..612d9bc 100644
> --- a/drivers/gpu/drm/radeon/radeon_atombios.c
> +++ b/drivers/gpu/drm/radeon/radeon_atombios.c
> @@ -2268,8 +2268,8 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r
> }
> }
>
> -static void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
> - u16 *vddc, u16 *vddci)
> +void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
> + u16 *vddc, u16 *vddci)
> {
> struct radeon_mode_info *mode_info = &rdev->mode_info;
> int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
> diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
> index dbffeca..bcdefd1 100644
> --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
> +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
> @@ -116,6 +116,7 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
> /* Disable *all* interrupts */
> for (i = 0; i < RADEON_NUM_RINGS; i++)
> atomic_set(&rdev->irq.ring_int[i], 0);
> + rdev->irq.dpm_thermal = false;
> for (i = 0; i < RADEON_MAX_HPD_PINS; i++)
> rdev->irq.hpd[i] = false;
> for (i = 0; i < RADEON_MAX_CRTCS; i++) {
> @@ -163,6 +164,7 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
> /* Disable *all* interrupts */
> for (i = 0; i < RADEON_NUM_RINGS; i++)
> atomic_set(&rdev->irq.ring_int[i], 0);
> + rdev->irq.dpm_thermal = false;
> for (i = 0; i < RADEON_MAX_HPD_PINS; i++)
> rdev->irq.hpd[i] = false;
> for (i = 0; i < RADEON_MAX_CRTCS; i++) {
> diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
> index 5a1c69e..02bf4a7 100644
> --- a/drivers/gpu/drm/radeon/radeon_mode.h
> +++ b/drivers/gpu/drm/radeon/radeon_mode.h
> @@ -580,6 +580,8 @@ extern enum radeon_tv_std
> radeon_combios_get_tv_info(struct radeon_device *rdev);
> extern enum radeon_tv_std
> radeon_atombios_get_tv_info(struct radeon_device *rdev);
> +extern void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
> + u16 *vddc, u16 *vddci);
>
> extern struct drm_connector *
> radeon_get_connector_for_encoder(struct drm_encoder *encoder);
> diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
> index 853a8a2..5cb01f2 100644
> --- a/drivers/gpu/drm/radeon/radeon_pm.c
> +++ b/drivers/gpu/drm/radeon/radeon_pm.c
> @@ -565,6 +565,9 @@ static void radeon_dpm_thermal_work_handler(struct work_struct *work)
> if (!rdev->pm.dpm_enabled)
> return;
>
> + if (!rdev->pm.dpm_enabled)
> + return;
> +
Looks like the check is already present here. With that fixed the patch is:
Reviewed-by: Christian König <christian.koenig at amd.com>
> if (rdev->asic->pm.get_temperature) {
> int temp = radeon_get_temperature(rdev);
>
> @@ -1030,6 +1033,11 @@ int radeon_pm_init(struct radeon_device *rdev)
> {
> /* enable dpm on rv6xx+ */
> switch (rdev->family) {
> + case CHIP_RV610:
> + case CHIP_RV630:
> + case CHIP_RV620:
> + case CHIP_RV635:
> + case CHIP_RV670:
> case CHIP_RS780:
> case CHIP_RS880:
> if (radeon_dpm == 1)
> @@ -1114,6 +1122,7 @@ static void radeon_pm_compute_clocks_old(struct radeon_device *rdev)
> if (rdev->pm.num_power_states < 2)
> return;
>
> + INIT_WORK(&rdev->pm.dpm.thermal.work, radeon_dpm_thermal_work_handler);
> mutex_lock(&rdev->pm.mutex);
>
> rdev->pm.active_crtcs = 0;
> diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c
> index f594900..a1497a6 100644
> --- a/drivers/gpu/drm/radeon/rs780_dpm.c
> +++ b/drivers/gpu/drm/radeon/rs780_dpm.c
> @@ -560,6 +560,12 @@ int rs780_dpm_enable(struct radeon_device *rdev)
> if (pi->gfx_clock_gating)
> r600_gfx_clockgating_enable(rdev, true);
>
> + if (rdev->irq.installed && (rdev->pm.int_thermal_type == THERMAL_TYPE_RV6XX)) {
> + r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
> + rdev->irq.dpm_thermal = true;
> + radeon_irq_set(rdev);
> + }
> +
> return 0;
> }
>
> @@ -574,6 +580,12 @@ void rs780_dpm_disable(struct radeon_device *rdev)
>
> if (pi->gfx_clock_gating)
> r600_gfx_clockgating_enable(rdev, false);
> +
> + if (rdev->irq.installed &&
> + (rdev->pm.int_thermal_type == THERMAL_TYPE_RV6XX)) {
> + rdev->irq.dpm_thermal = false;
> + radeon_irq_set(rdev);
> + }
> }
>
> int rs780_dpm_set_power_state(struct radeon_device *rdev)
> diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
> new file mode 100644
> index 0000000..fa4beb2
> --- /dev/null
> +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
> @@ -0,0 +1,1991 @@
> +/*
> + * 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 "rv6xxd.h"
> +#include "r600_dpm.h"
> +#include "rv6xx_dpm.h"
> +#include "atom.h"
> +
> +static u32 rv6xx_scale_count_given_unit(struct radeon_device *rdev,
> + u32 unscaled_count, u32 unit);
> +
> +static struct rv6xx_ps *rv6xx_get_ps(struct radeon_ps *rps)
> +{
> + struct rv6xx_ps *ps = rps->ps_priv;
> +
> + return ps;
> +}
> +
> +static struct rv6xx_power_info *rv6xx_get_pi(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rdev->pm.dpm.priv;
> +
> + return pi;
> +}
> +
> +static void rv6xx_force_pcie_gen1(struct radeon_device *rdev)
> +{
> + u32 tmp;
> + int i;
> +
> + tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
> + tmp &= LC_GEN2_EN;
> + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
> +
> + tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
> + tmp |= LC_INITIATE_LINK_SPEED_CHANGE;
> + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
> +
> + for (i = 0; i < rdev->usec_timeout; i++) {
> + if (!(RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL) & LC_CURRENT_DATA_RATE))
> + break;
> + udelay(1);
> + }
> +
> + tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
> + tmp &= ~LC_INITIATE_LINK_SPEED_CHANGE;
> + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
> +}
> +
> +static void rv6xx_enable_pcie_gen2_support(struct radeon_device *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)) {
> + tmp |= LC_GEN2_EN;
> + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
> + }
> +}
> +
> +static void rv6xx_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
> + bool enable)
> +{
> + u32 tmp;
> +
> + tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL) & ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
> + if (enable)
> + tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
> + else
> + tmp |= LC_HW_VOLTAGE_IF_CONTROL(0);
> + WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
> +}
> +
> +static void rv6xx_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 rv6xx_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 rv6xx_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 int rv6xx_convert_clock_to_stepping(struct radeon_device *rdev,
> + u32 clock, struct rv6xx_sclk_stepping *step)
> +{
> + int ret;
> + struct atom_clock_dividers dividers;
> +
> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
> + clock, false, ÷rs);
> + if (ret)
> + return ret;
> +
> + if (dividers.enable_post_div)
> + step->post_divider = 2 + (dividers.post_div & 0xF) + (dividers.post_div >> 4);
> + else
> + step->post_divider = 1;
> +
> + step->vco_frequency = clock * step->post_divider;
> +
> + return 0;
> +}
> +
> +static void rv6xx_output_stepping(struct radeon_device *rdev,
> + u32 step_index, struct rv6xx_sclk_stepping *step)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + u32 ref_clk = rdev->clock.spll.reference_freq;
> + u32 fb_divider;
> + u32 spll_step_count = rv6xx_scale_count_given_unit(rdev,
> + R600_SPLLSTEPTIME_DFLT *
> + pi->spll_ref_div,
> + R600_SPLLSTEPUNIT_DFLT);
> +
> + r600_engine_clock_entry_enable(rdev, step_index, true);
> + r600_engine_clock_entry_enable_pulse_skipping(rdev, step_index, false);
> +
> + if (step->post_divider == 1)
> + r600_engine_clock_entry_enable_post_divider(rdev, step_index, false);
> + else {
> + u32 lo_len = (step->post_divider - 2) / 2;
> + u32 hi_len = step->post_divider - 2 - lo_len;
> +
> + r600_engine_clock_entry_enable_post_divider(rdev, step_index, true);
> + r600_engine_clock_entry_set_post_divider(rdev, step_index, (hi_len << 4) | lo_len);
> + }
> +
> + fb_divider = ((step->vco_frequency * pi->spll_ref_div) / ref_clk) >>
> + pi->fb_div_scale;
> +
> + r600_engine_clock_entry_set_reference_divider(rdev, step_index,
> + pi->spll_ref_div - 1);
> + r600_engine_clock_entry_set_feedback_divider(rdev, step_index, fb_divider);
> + r600_engine_clock_entry_set_step_time(rdev, step_index, spll_step_count);
> +
> +}
> +
> +static struct rv6xx_sclk_stepping rv6xx_next_vco_step(struct radeon_device *rdev,
> + struct rv6xx_sclk_stepping *cur,
> + bool increasing_vco, u32 step_size)
> +{
> + struct rv6xx_sclk_stepping next;
> +
> + next.post_divider = cur->post_divider;
> +
> + if (increasing_vco)
> + next.vco_frequency = (cur->vco_frequency * (100 + step_size)) / 100;
> + else
> + next.vco_frequency = (cur->vco_frequency * 100 + 99 + step_size) / (100 + step_size);
> +
> + return next;
> +}
> +
> +static bool rv6xx_can_step_post_div(struct radeon_device *rdev,
> + struct rv6xx_sclk_stepping *cur,
> + struct rv6xx_sclk_stepping *target)
> +{
> + return (cur->post_divider > target->post_divider) &&
> + ((cur->vco_frequency * target->post_divider) <=
> + (target->vco_frequency * (cur->post_divider - 1)));
> +}
> +
> +static struct rv6xx_sclk_stepping rv6xx_next_post_div_step(struct radeon_device *rdev,
> + struct rv6xx_sclk_stepping *cur,
> + struct rv6xx_sclk_stepping *target)
> +{
> + struct rv6xx_sclk_stepping next = *cur;
> +
> + while (rv6xx_can_step_post_div(rdev, &next, target))
> + next.post_divider--;
> +
> + return next;
> +}
> +
> +static bool rv6xx_reached_stepping_target(struct radeon_device *rdev,
> + struct rv6xx_sclk_stepping *cur,
> + struct rv6xx_sclk_stepping *target,
> + bool increasing_vco)
> +{
> + return (increasing_vco && (cur->vco_frequency >= target->vco_frequency)) ||
> + (!increasing_vco && (cur->vco_frequency <= target->vco_frequency));
> +}
> +
> +static void rv6xx_generate_steps(struct radeon_device *rdev,
> + u32 low, u32 high,
> + u32 start_index, u8 *end_index)
> +{
> + struct rv6xx_sclk_stepping cur;
> + struct rv6xx_sclk_stepping target;
> + bool increasing_vco;
> + u32 step_index = start_index;
> +
> + rv6xx_convert_clock_to_stepping(rdev, low, &cur);
> + rv6xx_convert_clock_to_stepping(rdev, high, &target);
> +
> + rv6xx_output_stepping(rdev, step_index++, &cur);
> +
> + increasing_vco = (target.vco_frequency >= cur.vco_frequency);
> +
> + if (target.post_divider > cur.post_divider)
> + cur.post_divider = target.post_divider;
> +
> + while (1) {
> + struct rv6xx_sclk_stepping next;
> +
> + if (rv6xx_can_step_post_div(rdev, &cur, &target))
> + next = rv6xx_next_post_div_step(rdev, &cur, &target);
> + else
> + next = rv6xx_next_vco_step(rdev, &cur, increasing_vco, R600_VCOSTEPPCT_DFLT);
> +
> + if (rv6xx_reached_stepping_target(rdev, &next, &target, increasing_vco)) {
> + struct rv6xx_sclk_stepping tiny =
> + rv6xx_next_vco_step(rdev, &target, !increasing_vco, R600_ENDINGVCOSTEPPCT_DFLT);
> + tiny.post_divider = next.post_divider;
> +
> + if (!rv6xx_reached_stepping_target(rdev, &tiny, &cur, !increasing_vco))
> + rv6xx_output_stepping(rdev, step_index++, &tiny);
> +
> + if ((next.post_divider != target.post_divider) &&
> + (next.vco_frequency != target.vco_frequency)) {
> + struct rv6xx_sclk_stepping final_vco;
> +
> + final_vco.vco_frequency = target.vco_frequency;
> + final_vco.post_divider = next.post_divider;
> +
> + rv6xx_output_stepping(rdev, step_index++, &final_vco);
> + }
> +
> + rv6xx_output_stepping(rdev, step_index++, &target);
> + break;
> + } else
> + rv6xx_output_stepping(rdev, step_index++, &next);
> +
> + cur = next;
> + }
> +
> + *end_index = (u8)step_index - 1;
> +
> +}
> +
> +static void rv6xx_generate_single_step(struct radeon_device *rdev,
> + u32 clock, u32 index)
> +{
> + struct rv6xx_sclk_stepping step;
> +
> + rv6xx_convert_clock_to_stepping(rdev, clock, &step);
> + rv6xx_output_stepping(rdev, index, &step);
> +}
> +
> +static void rv6xx_invalidate_intermediate_steps_range(struct radeon_device *rdev,
> + u32 start_index, u32 end_index)
> +{
> + u32 step_index;
> +
> + for (step_index = start_index + 1; step_index < end_index; step_index++)
> + r600_engine_clock_entry_enable(rdev, step_index, false);
> +}
> +
> +static void rv6xx_set_engine_spread_spectrum_clk_s(struct radeon_device *rdev,
> + u32 index, u32 clk_s)
> +{
> + WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
> + CLKS(clk_s), ~CLKS_MASK);
> +}
> +
> +static void rv6xx_set_engine_spread_spectrum_clk_v(struct radeon_device *rdev,
> + u32 index, u32 clk_v)
> +{
> + WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
> + CLKV(clk_v), ~CLKV_MASK);
> +}
> +
> +static void rv6xx_enable_engine_spread_spectrum(struct radeon_device *rdev,
> + u32 index, bool enable)
> +{
> + if (enable)
> + WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
> + SSEN, ~SSEN);
> + else
> + WREG32_P(CG_SPLL_SPREAD_SPECTRUM_LOW + (index * 4),
> + 0, ~SSEN);
> +}
> +
> +static void rv6xx_set_memory_spread_spectrum_clk_s(struct radeon_device *rdev,
> + u32 clk_s)
> +{
> + WREG32_P(CG_MPLL_SPREAD_SPECTRUM, CLKS(clk_s), ~CLKS_MASK);
> +}
> +
> +static void rv6xx_set_memory_spread_spectrum_clk_v(struct radeon_device *rdev,
> + u32 clk_v)
> +{
> + WREG32_P(CG_MPLL_SPREAD_SPECTRUM, CLKV(clk_v), ~CLKV_MASK);
> +}
> +
> +static void rv6xx_enable_memory_spread_spectrum(struct radeon_device *rdev,
> + bool enable)
> +{
> + if (enable)
> + WREG32_P(CG_MPLL_SPREAD_SPECTRUM, SSEN, ~SSEN);
> + else
> + WREG32_P(CG_MPLL_SPREAD_SPECTRUM, 0, ~SSEN);
> +}
> +
> +static void rv6xx_enable_dynamic_spread_spectrum(struct radeon_device *rdev,
> + bool enable)
> +{
> + if (enable)
> + WREG32_P(GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, ~DYN_SPREAD_SPECTRUM_EN);
> + else
> + WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN);
> +}
> +
> +static void rv6xx_memory_clock_entry_enable_post_divider(struct radeon_device *rdev,
> + u32 index, bool enable)
> +{
> + if (enable)
> + WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4),
> + LEVEL0_MPLL_DIV_EN, ~LEVEL0_MPLL_DIV_EN);
> + else
> + WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4), 0, ~LEVEL0_MPLL_DIV_EN);
> +}
> +
> +static void rv6xx_memory_clock_entry_set_post_divider(struct radeon_device *rdev,
> + u32 index, u32 divider)
> +{
> + WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4),
> + LEVEL0_MPLL_POST_DIV(divider), ~LEVEL0_MPLL_POST_DIV_MASK);
> +}
> +
> +static void rv6xx_memory_clock_entry_set_feedback_divider(struct radeon_device *rdev,
> + u32 index, u32 divider)
> +{
> + WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4), LEVEL0_MPLL_FB_DIV(divider),
> + ~LEVEL0_MPLL_FB_DIV_MASK);
> +}
> +
> +static void rv6xx_memory_clock_entry_set_reference_divider(struct radeon_device *rdev,
> + u32 index, u32 divider)
> +{
> + WREG32_P(MPLL_FREQ_LEVEL_0 + (index * 4),
> + LEVEL0_MPLL_REF_DIV(divider), ~LEVEL0_MPLL_REF_DIV_MASK);
> +}
> +
> +static void rv6xx_vid_response_set_brt(struct radeon_device *rdev, u32 rt)
> +{
> + WREG32_P(VID_RT, BRT(rt), ~BRT_MASK);
> +}
> +
> +static void rv6xx_enable_engine_feedback_and_reference_sync(struct radeon_device *rdev)
> +{
> + WREG32_P(SPLL_CNTL_MODE, SPLL_DIV_SYNC, ~SPLL_DIV_SYNC);
> +}
> +
> +static u64 rv6xx_clocks_per_unit(u32 unit)
> +{
> + u64 tmp = 1 << (2 * unit);
> +
> + return tmp;
> +}
> +
> +static u32 rv6xx_scale_count_given_unit(struct radeon_device *rdev,
> + u32 unscaled_count, u32 unit)
> +{
> + u32 count_per_unit = (u32)rv6xx_clocks_per_unit(unit);
> +
> + return (unscaled_count + count_per_unit - 1) / count_per_unit;
> +}
> +
> +static u32 rv6xx_compute_count_for_delay(struct radeon_device *rdev,
> + u32 delay_us, u32 unit)
> +{
> + u32 ref_clk = rdev->clock.spll.reference_freq;
> +
> + return rv6xx_scale_count_given_unit(rdev, delay_us * (ref_clk / 100), unit);
> +}
> +
> +static void rv6xx_calculate_engine_speed_stepping_parameters(struct radeon_device *rdev,
> + struct rv6xx_ps *state)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + pi->hw.sclks[R600_POWER_LEVEL_LOW] =
> + state->low.sclk;
> + pi->hw.sclks[R600_POWER_LEVEL_MEDIUM] =
> + state->medium.sclk;
> + pi->hw.sclks[R600_POWER_LEVEL_HIGH] =
> + state->high.sclk;
> +
> + pi->hw.low_sclk_index = R600_POWER_LEVEL_LOW;
> + pi->hw.medium_sclk_index = R600_POWER_LEVEL_MEDIUM;
> + pi->hw.high_sclk_index = R600_POWER_LEVEL_HIGH;
> +}
> +
> +static void rv6xx_calculate_memory_clock_stepping_parameters(struct radeon_device *rdev,
> + struct rv6xx_ps *state)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + pi->hw.mclks[R600_POWER_LEVEL_CTXSW] =
> + state->high.mclk;
> + pi->hw.mclks[R600_POWER_LEVEL_HIGH] =
> + state->high.mclk;
> + pi->hw.mclks[R600_POWER_LEVEL_MEDIUM] =
> + state->medium.mclk;
> + pi->hw.mclks[R600_POWER_LEVEL_LOW] =
> + state->low.mclk;
> +
> + pi->hw.high_mclk_index = R600_POWER_LEVEL_HIGH;
> +
> + if (state->high.mclk == state->medium.mclk)
> + pi->hw.medium_mclk_index =
> + pi->hw.high_mclk_index;
> + else
> + pi->hw.medium_mclk_index = R600_POWER_LEVEL_MEDIUM;
> +
> +
> + if (state->medium.mclk == state->low.mclk)
> + pi->hw.low_mclk_index =
> + pi->hw.medium_mclk_index;
> + else
> + pi->hw.low_mclk_index = R600_POWER_LEVEL_LOW;
> +}
> +
> +static void rv6xx_calculate_voltage_stepping_parameters(struct radeon_device *rdev,
> + struct rv6xx_ps *state)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + pi->hw.vddc[R600_POWER_LEVEL_CTXSW] = state->high.vddc;
> + pi->hw.vddc[R600_POWER_LEVEL_HIGH] = state->high.vddc;
> + pi->hw.vddc[R600_POWER_LEVEL_MEDIUM] = state->medium.vddc;
> + pi->hw.vddc[R600_POWER_LEVEL_LOW] = state->low.vddc;
> +
> + pi->hw.backbias[R600_POWER_LEVEL_CTXSW] =
> + (state->high.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
> + pi->hw.backbias[R600_POWER_LEVEL_HIGH] =
> + (state->high.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
> + pi->hw.backbias[R600_POWER_LEVEL_MEDIUM] =
> + (state->medium.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
> + pi->hw.backbias[R600_POWER_LEVEL_LOW] =
> + (state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? true : false;
> +
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_HIGH] =
> + (state->high.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? true : false;
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_MEDIUM] =
> + (state->medium.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? true : false;
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW] =
> + (state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? true : false;
> +
> + pi->hw.high_vddc_index = R600_POWER_LEVEL_HIGH;
> +
> + if ((state->high.vddc == state->medium.vddc) &&
> + ((state->high.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ==
> + (state->medium.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE)))
> + pi->hw.medium_vddc_index =
> + pi->hw.high_vddc_index;
> + else
> + pi->hw.medium_vddc_index = R600_POWER_LEVEL_MEDIUM;
> +
> + if ((state->medium.vddc == state->low.vddc) &&
> + ((state->medium.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ==
> + (state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE)))
> + pi->hw.low_vddc_index =
> + pi->hw.medium_vddc_index;
> + else
> + pi->hw.medium_vddc_index = R600_POWER_LEVEL_LOW;
> +}
> +
> +static inline u32 rv6xx_calculate_vco_frequency(u32 ref_clock,
> + struct atom_clock_dividers *dividers,
> + u32 fb_divider_scale)
> +{
> + return ref_clock * ((dividers->fb_div & ~1) << fb_divider_scale) /
> + (dividers->ref_div + 1);
> +}
> +
> +static inline u32 rv6xx_calculate_spread_spectrum_clk_v(u32 vco_freq, u32 ref_freq,
> + u32 ss_rate, u32 ss_percent,
> + u32 fb_divider_scale)
> +{
> + u32 fb_divider = vco_freq / ref_freq;
> +
> + return (ss_percent * ss_rate * 4 * (fb_divider * fb_divider) /
> + (5375 * ((vco_freq * 10) / (4096 >> fb_divider_scale))));
> +}
> +
> +static inline u32 rv6xx_calculate_spread_spectrum_clk_s(u32 ss_rate, u32 ref_freq)
> +{
> + return (((ref_freq * 10) / (ss_rate * 2)) - 1) / 4;
> +}
> +
> +static void rv6xx_program_engine_spread_spectrum(struct radeon_device *rdev,
> + u32 clock, enum r600_power_level level)
> +{
> + u32 ref_clk = rdev->clock.spll.reference_freq;
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + struct atom_clock_dividers dividers;
> + struct radeon_atom_ss ss;
> + u32 vco_freq, clk_v, clk_s;
> +
> + rv6xx_enable_engine_spread_spectrum(rdev, level, false);
> +
> + if (clock && pi->sclk_ss) {
> + if (radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, clock, false, ÷rs) == 0) {
> + vco_freq = rv6xx_calculate_vco_frequency(ref_clk, ÷rs,
> + pi->fb_div_scale);
> +
> + if (radeon_atombios_get_asic_ss_info(rdev, &ss,
> + ASIC_INTERNAL_ENGINE_SS, vco_freq)) {
> + clk_v = rv6xx_calculate_spread_spectrum_clk_v(vco_freq,
> + (ref_clk / (dividers.ref_div + 1)),
> + ss.rate,
> + ss.percentage,
> + pi->fb_div_scale);
> +
> + clk_s = rv6xx_calculate_spread_spectrum_clk_s(ss.rate,
> + (ref_clk / (dividers.ref_div + 1)));
> +
> + rv6xx_set_engine_spread_spectrum_clk_v(rdev, level, clk_v);
> + rv6xx_set_engine_spread_spectrum_clk_s(rdev, level, clk_s);
> + rv6xx_enable_engine_spread_spectrum(rdev, level, true);
> + }
> + }
> + }
> +}
> +
> +static void rv6xx_program_sclk_spread_spectrum_parameters_except_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_program_engine_spread_spectrum(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_HIGH],
> + R600_POWER_LEVEL_HIGH);
> +
> + rv6xx_program_engine_spread_spectrum(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_MEDIUM],
> + R600_POWER_LEVEL_MEDIUM);
> +
> +}
> +
> +static int rv6xx_program_mclk_stepping_entry(struct radeon_device *rdev,
> + u32 entry, u32 clock)
> +{
> + struct atom_clock_dividers dividers;
> +
> + if (radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM, clock, false, ÷rs))
> + return -EINVAL;
> +
> +
> + rv6xx_memory_clock_entry_set_reference_divider(rdev, entry, dividers.ref_div);
> + rv6xx_memory_clock_entry_set_feedback_divider(rdev, entry, dividers.fb_div);
> + rv6xx_memory_clock_entry_set_post_divider(rdev, entry, dividers.post_div);
> +
> + if (dividers.enable_post_div)
> + rv6xx_memory_clock_entry_enable_post_divider(rdev, entry, true);
> + else
> + rv6xx_memory_clock_entry_enable_post_divider(rdev, entry, false);
> +
> + return 0;
> +}
> +
> +static void rv6xx_program_mclk_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + int i;
> +
> + for (i = 1; i < R600_PM_NUMBER_OF_MCLKS; i++) {
> + if (pi->hw.mclks[i])
> + rv6xx_program_mclk_stepping_entry(rdev, i,
> + pi->hw.mclks[i]);
> + }
> +}
> +
> +static void rv6xx_find_memory_clock_with_highest_vco(struct radeon_device *rdev,
> + u32 requested_memory_clock,
> + u32 ref_clk,
> + struct atom_clock_dividers *dividers,
> + u32 *vco_freq)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + struct atom_clock_dividers req_dividers;
> + u32 vco_freq_temp;
> +
> + if (radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
> + requested_memory_clock, false, &req_dividers) == 0) {
> + vco_freq_temp = rv6xx_calculate_vco_frequency(ref_clk, &req_dividers,
> + pi->fb_div_scale);
> +
> + if (vco_freq_temp > *vco_freq) {
> + *dividers = req_dividers;
> + *vco_freq = vco_freq_temp;
> + }
> + }
> +}
> +
> +static void rv6xx_program_mclk_spread_spectrum_parameters(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + u32 ref_clk = rdev->clock.mpll.reference_freq;
> + struct atom_clock_dividers dividers;
> + struct radeon_atom_ss ss;
> + u32 vco_freq = 0, clk_v, clk_s;
> +
> + rv6xx_enable_memory_spread_spectrum(rdev, false);
> +
> + if (pi->mclk_ss) {
> + rv6xx_find_memory_clock_with_highest_vco(rdev,
> + pi->hw.mclks[pi->hw.high_mclk_index],
> + ref_clk,
> + ÷rs,
> + &vco_freq);
> +
> + rv6xx_find_memory_clock_with_highest_vco(rdev,
> + pi->hw.mclks[pi->hw.medium_mclk_index],
> + ref_clk,
> + ÷rs,
> + &vco_freq);
> +
> + rv6xx_find_memory_clock_with_highest_vco(rdev,
> + pi->hw.mclks[pi->hw.low_mclk_index],
> + ref_clk,
> + ÷rs,
> + &vco_freq);
> +
> + if (vco_freq) {
> + if (radeon_atombios_get_asic_ss_info(rdev, &ss,
> + ASIC_INTERNAL_MEMORY_SS, vco_freq)) {
> + clk_v = rv6xx_calculate_spread_spectrum_clk_v(vco_freq,
> + (ref_clk / (dividers.ref_div + 1)),
> + ss.rate,
> + ss.percentage,
> + pi->fb_div_scale);
> +
> + clk_s = rv6xx_calculate_spread_spectrum_clk_s(ss.rate,
> + (ref_clk / (dividers.ref_div + 1)));
> +
> + rv6xx_set_memory_spread_spectrum_clk_v(rdev, clk_v);
> + rv6xx_set_memory_spread_spectrum_clk_s(rdev, clk_s);
> + rv6xx_enable_memory_spread_spectrum(rdev, true);
> + }
> + }
> + }
> +}
> +
> +static int rv6xx_program_voltage_stepping_entry(struct radeon_device *rdev,
> + u32 entry, u16 voltage)
> +{
> + u32 mask, set_pins;
> + int ret;
> +
> + ret = radeon_atom_get_voltage_gpio_settings(rdev, voltage,
> + SET_VOLTAGE_TYPE_ASIC_VDDC,
> + &set_pins, &mask);
> + if (ret)
> + return ret;
> +
> + r600_voltage_control_program_voltages(rdev, entry, set_pins);
> +
> + return 0;
> +}
> +
> +static void rv6xx_program_voltage_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + int i;
> +
> + for (i = 1; i < R600_PM_NUMBER_OF_VOLTAGE_LEVELS; i++)
> + rv6xx_program_voltage_stepping_entry(rdev, i,
> + pi->hw.vddc[i]);
> +
> +}
> +
> +static void rv6xx_program_backbias_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (pi->hw.backbias[1])
> + WREG32_P(VID_UPPER_GPIO_CNTL, MEDIUM_BACKBIAS_VALUE, ~MEDIUM_BACKBIAS_VALUE);
> + else
> + WREG32_P(VID_UPPER_GPIO_CNTL, 0, ~MEDIUM_BACKBIAS_VALUE);
> +
> + if (pi->hw.backbias[2])
> + WREG32_P(VID_UPPER_GPIO_CNTL, HIGH_BACKBIAS_VALUE, ~HIGH_BACKBIAS_VALUE);
> + else
> + WREG32_P(VID_UPPER_GPIO_CNTL, 0, ~HIGH_BACKBIAS_VALUE);
> +}
> +
> +static void rv6xx_program_sclk_spread_spectrum_parameters_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_program_engine_spread_spectrum(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_LOW],
> + R600_POWER_LEVEL_LOW);
> +}
> +
> +static void rv6xx_program_mclk_stepping_parameters_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (pi->hw.mclks[0])
> + rv6xx_program_mclk_stepping_entry(rdev, 0,
> + pi->hw.mclks[0]);
> +}
> +
> +static void rv6xx_program_voltage_stepping_parameters_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_program_voltage_stepping_entry(rdev, 0,
> + pi->hw.vddc[0]);
> +
> +}
> +
> +static void rv6xx_program_backbias_stepping_parameters_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (pi->hw.backbias[0])
> + WREG32_P(VID_UPPER_GPIO_CNTL, LOW_BACKBIAS_VALUE, ~LOW_BACKBIAS_VALUE);
> + else
> + WREG32_P(VID_UPPER_GPIO_CNTL, 0, ~LOW_BACKBIAS_VALUE);
> +}
> +
> +static u32 calculate_memory_refresh_rate(struct radeon_device *rdev,
> + u32 engine_clock)
> +{
> + u32 dram_rows, dram_refresh_rate;
> + u32 tmp;
> +
> + tmp = (RREG32(RAMCFG) & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
> + dram_rows = 1 << (tmp + 10);
> + dram_refresh_rate = 1 << ((RREG32(MC_SEQ_RESERVE_M) & 0x3) + 3);
> +
> + return ((engine_clock * 10) * dram_refresh_rate / dram_rows - 32) / 64;
> +}
> +
> +static void rv6xx_program_memory_timing_parameters(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + u32 sqm_ratio;
> + u32 arb_refresh_rate;
> + u32 high_clock;
> +
> + if (pi->hw.sclks[R600_POWER_LEVEL_HIGH] <
> + (pi->hw.sclks[R600_POWER_LEVEL_LOW] * 0xFF / 0x40))
> + high_clock = pi->hw.sclks[R600_POWER_LEVEL_HIGH];
> + else
> + high_clock =
> + pi->hw.sclks[R600_POWER_LEVEL_LOW] * 0xFF / 0x40;
> +
> + radeon_atom_set_engine_dram_timings(rdev, high_clock, 0);
> +
> + sqm_ratio = (STATE0(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_LOW]) |
> + STATE1(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_MEDIUM]) |
> + STATE2(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_HIGH]) |
> + STATE3(64 * high_clock / pi->hw.sclks[R600_POWER_LEVEL_HIGH]));
> + WREG32(SQM_RATIO, sqm_ratio);
> +
> + arb_refresh_rate =
> + (POWERMODE0(calculate_memory_refresh_rate(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_LOW])) |
> + POWERMODE1(calculate_memory_refresh_rate(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_MEDIUM])) |
> + POWERMODE2(calculate_memory_refresh_rate(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_MEDIUM])) |
> + POWERMODE3(calculate_memory_refresh_rate(rdev,
> + pi->hw.sclks[R600_POWER_LEVEL_HIGH])));
> + WREG32(ARB_RFSH_RATE, arb_refresh_rate);
> +}
> +
> +static void rv6xx_program_mpll_timing_parameters(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + r600_set_mpll_lock_time(rdev, R600_MPLLLOCKTIME_DFLT *
> + pi->mpll_ref_div);
> + r600_set_mpll_reset_time(rdev, R600_MPLLRESETTIME_DFLT);
> +}
> +
> +static void rv6xx_program_bsp(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + u32 ref_clk = rdev->clock.spll.reference_freq;
> +
> + r600_calculate_u_and_p(R600_ASI_DFLT,
> + ref_clk, 16,
> + &pi->bsp,
> + &pi->bsu);
> +
> + r600_set_bsp(rdev, pi->bsu, pi->bsp);
> +}
> +
> +static void rv6xx_program_at(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + r600_set_at(rdev,
> + (pi->hw.rp[0] * pi->bsp) / 200,
> + (pi->hw.rp[1] * pi->bsp) / 200,
> + (pi->hw.lp[2] * pi->bsp) / 200,
> + (pi->hw.lp[1] * pi->bsp) / 200);
> +}
> +
> +static void rv6xx_program_git(struct radeon_device *rdev)
> +{
> + r600_set_git(rdev, R600_GICST_DFLT);
> +}
> +
> +static void rv6xx_program_tp(struct radeon_device *rdev)
> +{
> + int i;
> +
> + for (i = 0; i < R600_PM_NUMBER_OF_TC; i++)
> + r600_set_tc(rdev, i, r600_utc[i], r600_dtc[i]);
> +
> + r600_select_td(rdev, R600_TD_DFLT);
> +}
> +
> +static void rv6xx_program_vc(struct radeon_device *rdev)
> +{
> + r600_set_vrc(rdev, R600_VRC_DFLT);
> +}
> +
> +static void rv6xx_clear_vc(struct radeon_device *rdev)
> +{
> + r600_set_vrc(rdev, 0);
> +}
> +
> +static void rv6xx_program_tpp(struct radeon_device *rdev)
> +{
> + r600_set_tpu(rdev, R600_TPU_DFLT);
> + r600_set_tpc(rdev, R600_TPC_DFLT);
> +}
> +
> +static void rv6xx_program_sstp(struct radeon_device *rdev)
> +{
> + r600_set_sstu(rdev, R600_SSTU_DFLT);
> + r600_set_sst(rdev, R600_SST_DFLT);
> +}
> +
> +static void rv6xx_program_fcp(struct radeon_device *rdev)
> +{
> + r600_set_fctu(rdev, R600_FCTU_DFLT);
> + r600_set_fct(rdev, R600_FCT_DFLT);
> +}
> +
> +static void rv6xx_program_vddc3d_parameters(struct radeon_device *rdev)
> +{
> + 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);
> +}
> +
> +static void rv6xx_program_voltage_timing_parameters(struct radeon_device *rdev)
> +{
> + u32 rt;
> +
> + r600_vid_rt_set_vru(rdev, R600_VRU_DFLT);
> +
> + r600_vid_rt_set_vrt(rdev,
> + rv6xx_compute_count_for_delay(rdev,
> + rdev->pm.dpm.voltage_response_time,
> + R600_VRU_DFLT));
> +
> + rt = rv6xx_compute_count_for_delay(rdev,
> + rdev->pm.dpm.backbias_response_time,
> + R600_VRU_DFLT);
> +
> + rv6xx_vid_response_set_brt(rdev, (rt + 0x1F) >> 5);
> +}
> +
> +static void rv6xx_program_engine_speed_parameters(struct radeon_device *rdev)
> +{
> + r600_vid_rt_set_ssu(rdev, R600_SPLLSTEPUNIT_DFLT);
> + rv6xx_enable_engine_feedback_and_reference_sync(rdev);
> +}
> +
> +static u64 rv6xx_get_master_voltage_mask(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> + u64 master_mask = 0;
> + int i;
> +
> + for (i = 0; i < R600_PM_NUMBER_OF_VOLTAGE_LEVELS; i++) {
> + u32 tmp_mask, tmp_set_pins;
> + int ret;
> +
> + ret = radeon_atom_get_voltage_gpio_settings(rdev,
> + pi->hw.vddc[i],
> + SET_VOLTAGE_TYPE_ASIC_VDDC,
> + &tmp_set_pins, &tmp_mask);
> +
> + if (ret == 0)
> + master_mask |= tmp_mask;
> + }
> +
> + return master_mask;
> +}
> +
> +static void rv6xx_program_voltage_gpio_pins(struct radeon_device *rdev)
> +{
> + r600_voltage_control_enable_pins(rdev,
> + rv6xx_get_master_voltage_mask(rdev));
> +}
> +
> +static void rv6xx_enable_static_voltage_control(struct radeon_device *rdev, bool enable)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> +
> + if (enable)
> + radeon_atom_set_voltage(rdev,
> + new_state->low.vddc,
> + SET_VOLTAGE_TYPE_ASIC_VDDC);
> + else
> + r600_voltage_control_deactivate_static_control(rdev,
> + rv6xx_get_master_voltage_mask(rdev));
> +}
> +
> +static void rv6xx_enable_display_gap(struct radeon_device *rdev, bool enable)
> +{
> + if (enable) {
> + u32 tmp = (DISP1_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM) |
> + DISP2_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM) |
> + DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) |
> + DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) |
> + VBI_TIMER_COUNT(0x3FFF) |
> + VBI_TIMER_UNIT(7));
> + WREG32(CG_DISPLAY_GAP_CNTL, tmp);
> +
> + WREG32_P(MCLK_PWRMGT_CNTL, USE_DISPLAY_GAP, ~USE_DISPLAY_GAP);
> + } else
> + WREG32_P(MCLK_PWRMGT_CNTL, 0, ~USE_DISPLAY_GAP);
> +}
> +
> +static void rv6xx_program_power_level_enter_state(struct radeon_device *rdev)
> +{
> + r600_power_level_set_enter_index(rdev, R600_POWER_LEVEL_MEDIUM);
> +}
> +
> +static void rv6xx_calculate_t(u32 l_f, u32 h_f, int h,
> + int d_l, int d_r, u8 *l, u8 *r)
> +{
> + int a_n, a_d, h_r, l_r;
> +
> + h_r = d_l;
> + l_r = 100 - d_r;
> +
> + a_n = (int)h_f * d_l + (int)l_f * (h - d_r);
> + a_d = (int)l_f * l_r + (int)h_f * h_r;
> +
> + if (a_d != 0) {
> + *l = d_l - h_r * a_n / a_d;
> + *r = d_r + l_r * a_n / a_d;
> + }
> +}
> +
> +static void rv6xx_calculate_ap(struct radeon_device *rdev,
> + struct rv6xx_ps *state)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + pi->hw.lp[0] = 0;
> + pi->hw.rp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS - 1]
> + = 100;
> +
> + rv6xx_calculate_t(state->low.sclk,
> + state->medium.sclk,
> + R600_AH_DFLT,
> + R600_LMP_DFLT,
> + R600_RLP_DFLT,
> + &pi->hw.lp[1],
> + &pi->hw.rp[0]);
> +
> + rv6xx_calculate_t(state->medium.sclk,
> + state->high.sclk,
> + R600_AH_DFLT,
> + R600_LHP_DFLT,
> + R600_RMP_DFLT,
> + &pi->hw.lp[2],
> + &pi->hw.rp[1]);
> +
> +}
> +
> +static void rv6xx_calculate_stepping_parameters(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> +
> + rv6xx_calculate_engine_speed_stepping_parameters(rdev, new_state);
> + rv6xx_calculate_memory_clock_stepping_parameters(rdev, new_state);
> + rv6xx_calculate_voltage_stepping_parameters(rdev, new_state);
> + rv6xx_calculate_ap(rdev, new_state);
> +}
> +
> +static void rv6xx_program_stepping_parameters_except_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_program_mclk_stepping_parameters_except_lowest_entry(rdev);
> + if (pi->voltage_control)
> + rv6xx_program_voltage_stepping_parameters_except_lowest_entry(rdev);
> + rv6xx_program_backbias_stepping_parameters_except_lowest_entry(rdev);
> + rv6xx_program_sclk_spread_spectrum_parameters_except_lowest_entry(rdev);
> + rv6xx_program_mclk_spread_spectrum_parameters(rdev);
> + rv6xx_program_memory_timing_parameters(rdev);
> +}
> +
> +static void rv6xx_program_stepping_parameters_lowest_entry(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_program_mclk_stepping_parameters_lowest_entry(rdev);
> + if (pi->voltage_control)
> + rv6xx_program_voltage_stepping_parameters_lowest_entry(rdev);
> + rv6xx_program_backbias_stepping_parameters_lowest_entry(rdev);
> + rv6xx_program_sclk_spread_spectrum_parameters_lowest_entry(rdev);
> +}
> +
> +static void rv6xx_program_power_level_low(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_LOW,
> + pi->hw.low_vddc_index);
> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_LOW,
> + pi->hw.low_mclk_index);
> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_LOW,
> + pi->hw.low_sclk_index);
> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_LOW,
> + R600_DISPLAY_WATERMARK_LOW);
> + r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_LOW,
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW]);
> +}
> +
> +static void rv6xx_program_power_level_low_to_lowest_state(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_LOW, 0);
> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_LOW, 0);
> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_LOW, 0);
> +
> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_LOW,
> + R600_DISPLAY_WATERMARK_LOW);
> +
> + r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_LOW,
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW]);
> +
> +}
> +
> +static void rv6xx_program_power_level_medium(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_MEDIUM,
> + pi->hw.medium_vddc_index);
> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
> + pi->hw.medium_mclk_index);
> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
> + pi->hw.medium_sclk_index);
> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_MEDIUM,
> + R600_DISPLAY_WATERMARK_LOW);
> + r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_MEDIUM,
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_MEDIUM]);
> +}
> +
> +static void rv6xx_program_power_level_medium_for_transition(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_program_mclk_stepping_entry(rdev,
> + R600_POWER_LEVEL_CTXSW,
> + pi->hw.mclks[pi->hw.low_mclk_index]);
> +
> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_MEDIUM, 1);
> +
> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
> + R600_POWER_LEVEL_CTXSW);
> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_MEDIUM,
> + pi->hw.medium_sclk_index);
> +
> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_MEDIUM,
> + R600_DISPLAY_WATERMARK_LOW);
> +
> + rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_MEDIUM, false);
> +
> + r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_MEDIUM,
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_LOW]);
> +}
> +
> +static void rv6xx_program_power_level_high(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + r600_power_level_set_voltage_index(rdev, R600_POWER_LEVEL_HIGH,
> + pi->hw.high_vddc_index);
> + r600_power_level_set_mem_clock_index(rdev, R600_POWER_LEVEL_HIGH,
> + pi->hw.high_mclk_index);
> + r600_power_level_set_eng_clock_index(rdev, R600_POWER_LEVEL_HIGH,
> + pi->hw.high_sclk_index);
> +
> + r600_power_level_set_watermark_id(rdev, R600_POWER_LEVEL_HIGH,
> + R600_DISPLAY_WATERMARK_HIGH);
> +
> + r600_power_level_set_pcie_gen2(rdev, R600_POWER_LEVEL_HIGH,
> + pi->hw.pcie_gen2[R600_POWER_LEVEL_HIGH]);
> +}
> +
> +static void rv6xx_enable_backbias(struct radeon_device *rdev, bool enable)
> +{
> + if (enable)
> + WREG32_P(GENERAL_PWRMGT, BACKBIAS_PAD_EN | BACKBIAS_DPM_CNTL,
> + ~(BACKBIAS_PAD_EN | BACKBIAS_DPM_CNTL));
> + else
> + WREG32_P(GENERAL_PWRMGT, 0,
> + ~(BACKBIAS_VALUE | BACKBIAS_PAD_EN | BACKBIAS_DPM_CNTL));
> +}
> +
> +static void rv6xx_program_display_gap(struct radeon_device *rdev)
> +{
> + u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL);
> +
> + tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK);
> + if (RREG32(AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
> + tmp |= DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK);
> + tmp |= DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE);
> + } else if (RREG32(AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
> + 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 rv6xx_set_sw_voltage_to_safe(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> + u16 safe_voltage;
> +
> + safe_voltage = (new_state->low.vddc >= old_state->low.vddc) ?
> + new_state->low.vddc : old_state->low.vddc;
> +
> + rv6xx_program_voltage_stepping_entry(rdev, R600_POWER_LEVEL_CTXSW,
> + safe_voltage);
> +
> + WREG32_P(GENERAL_PWRMGT, SW_GPIO_INDEX(R600_POWER_LEVEL_CTXSW),
> + ~SW_GPIO_INDEX_MASK);
> +}
> +
> +static void rv6xx_set_sw_voltage_to_low(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> +
> + rv6xx_program_voltage_stepping_entry(rdev, R600_POWER_LEVEL_CTXSW,
> + old_state->low.vddc);
> +
> + WREG32_P(GENERAL_PWRMGT, SW_GPIO_INDEX(R600_POWER_LEVEL_CTXSW),
> + ~SW_GPIO_INDEX_MASK);
> +}
> +
> +static void rv6xx_set_safe_backbias(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> +
> + if ((new_state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) &&
> + (old_state->low.flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE))
> + WREG32_P(GENERAL_PWRMGT, BACKBIAS_VALUE, ~BACKBIAS_VALUE);
> + else
> + WREG32_P(GENERAL_PWRMGT, 0, ~BACKBIAS_VALUE);
> +}
> +
> +static void rv6xx_set_safe_pcie_gen2(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> +
> + if ((new_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) !=
> + (old_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2))
> + rv6xx_force_pcie_gen1(rdev);
> +}
> +
> +static void rv6xx_enable_dynamic_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 rv6xx_enable_dynamic_backbias_control(struct radeon_device *rdev,
> + bool enable)
> +{
> + if (enable)
> + WREG32_P(GENERAL_PWRMGT, BACKBIAS_DPM_CNTL, ~BACKBIAS_DPM_CNTL);
> + else
> + WREG32_P(GENERAL_PWRMGT, 0, ~BACKBIAS_DPM_CNTL);
> +}
> +
> +static int rv6xx_step_sw_voltage(struct radeon_device *rdev,
> + u16 initial_voltage,
> + u16 target_voltage)
> +{
> + u16 current_voltage;
> + u16 true_target_voltage;
> + u16 voltage_step;
> + int signed_voltage_step;
> +
> + if ((radeon_atom_get_voltage_step(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
> + &voltage_step)) ||
> + (radeon_atom_round_to_true_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
> + initial_voltage, ¤t_voltage)) ||
> + (radeon_atom_round_to_true_voltage(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
> + target_voltage, &true_target_voltage)))
> + return -EINVAL;
> +
> + if (true_target_voltage < current_voltage)
> + signed_voltage_step = -(int)voltage_step;
> + else
> + signed_voltage_step = voltage_step;
> +
> + while (current_voltage != true_target_voltage) {
> + current_voltage += signed_voltage_step;
> + rv6xx_program_voltage_stepping_entry(rdev, R600_POWER_LEVEL_CTXSW,
> + current_voltage);
> + msleep((rdev->pm.dpm.voltage_response_time + 999) / 1000);
> + }
> +
> + return 0;
> +}
> +
> +static int rv6xx_step_voltage_if_increasing(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> +
> + if (new_state->low.vddc > old_state->low.vddc)
> + return rv6xx_step_sw_voltage(rdev,
> + old_state->low.vddc,
> + new_state->low.vddc);
> +
> + return 0;
> +}
> +
> +static int rv6xx_step_voltage_if_decreasing(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> +
> + if (new_state->low.vddc < old_state->low.vddc)
> + return rv6xx_step_sw_voltage(rdev,
> + old_state->low.vddc,
> + new_state->low.vddc);
> + else
> + return 0;
> +}
> +
> +static void rv6xx_enable_high(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if ((pi->restricted_levels < 1) ||
> + (pi->restricted_levels == 3))
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, true);
> +}
> +
> +static void rv6xx_enable_medium(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (pi->restricted_levels < 2)
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
> +}
> +
> +static void rv6xx_set_dpm_event_sources(struct radeon_device *rdev, u32 sources)
> +{
> + struct rv6xx_power_info *pi = rv6xx_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);
> + }
> +}
> +
> +static void rv6xx_enable_auto_throttle_source(struct radeon_device *rdev,
> + enum radeon_dpm_auto_throttle_src source,
> + bool enable)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (enable) {
> + if (!(pi->active_auto_throttle_sources & (1 << source))) {
> + pi->active_auto_throttle_sources |= 1 << source;
> + rv6xx_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);
> + rv6xx_set_dpm_event_sources(rdev, pi->active_auto_throttle_sources);
> + }
> + }
> +}
> +
> +
> +static void rv6xx_enable_thermal_protection(struct radeon_device *rdev,
> + bool enable)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (pi->active_auto_throttle_sources)
> + r600_enable_thermal_protection(rdev, enable);
> +}
> +
> +static void rv6xx_generate_transition_stepping(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_ps *old_state = rv6xx_get_ps(rdev->pm.dpm.current_ps);
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_generate_steps(rdev,
> + old_state->low.sclk,
> + new_state->low.sclk,
> + 0, &pi->hw.medium_sclk_index);
> +}
> +
> +static void rv6xx_generate_low_step(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + pi->hw.low_sclk_index = 0;
> + rv6xx_generate_single_step(rdev,
> + new_state->low.sclk,
> + 0);
> +}
> +
> +static void rv6xx_invalidate_intermediate_steps(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_invalidate_intermediate_steps_range(rdev, 0,
> + pi->hw.medium_sclk_index);
> +}
> +
> +static void rv6xx_generate_stepping_table(struct radeon_device *rdev)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + pi->hw.low_sclk_index = 0;
> +
> + rv6xx_generate_steps(rdev,
> + new_state->low.sclk,
> + new_state->medium.sclk,
> + 0,
> + &pi->hw.medium_sclk_index);
> + rv6xx_generate_steps(rdev,
> + new_state->medium.sclk,
> + new_state->high.sclk,
> + pi->hw.medium_sclk_index,
> + &pi->hw.high_sclk_index);
> +}
> +
> +static void rv6xx_enable_spread_spectrum(struct radeon_device *rdev,
> + bool enable)
> +{
> + if (enable)
> + rv6xx_enable_dynamic_spread_spectrum(rdev, true);
> + else {
> + rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_LOW, false);
> + rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_MEDIUM, false);
> + rv6xx_enable_engine_spread_spectrum(rdev, R600_POWER_LEVEL_HIGH, false);
> + rv6xx_enable_dynamic_spread_spectrum(rdev, false);
> + rv6xx_enable_memory_spread_spectrum(rdev, false);
> + }
> +}
> +
> +static void rv6xx_reset_lvtm_data_sync(struct radeon_device *rdev)
> +{
> + if (ASIC_IS_DCE3(rdev))
> + WREG32_P(DCE3_LVTMA_DATA_SYNCHRONIZATION, LVTMA_PFREQCHG, ~LVTMA_PFREQCHG);
> + else
> + WREG32_P(LVTMA_DATA_SYNCHRONIZATION, LVTMA_PFREQCHG, ~LVTMA_PFREQCHG);
> +}
> +
> +static void rv6xx_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
> + bool enable)
> +{
> + struct rv6xx_ps *new_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> +
> + if (enable) {
> + rv6xx_enable_bif_dynamic_pcie_gen2(rdev, true);
> + rv6xx_enable_pcie_gen2_support(rdev);
> + r600_enable_dynamic_pcie_gen2(rdev, true);
> + } else {
> + if (!(new_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2))
> + rv6xx_force_pcie_gen1(rdev);
> + rv6xx_enable_bif_dynamic_pcie_gen2(rdev, false);
> + r600_enable_dynamic_pcie_gen2(rdev, false);
> + }
> +}
> +
> +int rv6xx_dpm_enable(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (r600_dynamicpm_enabled(rdev))
> + return -EINVAL;
> +
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
> + rv6xx_enable_backbias(rdev, true);
> +
> + if (pi->dynamic_ss)
> + rv6xx_enable_spread_spectrum(rdev, true);
> +
> + rv6xx_program_mpll_timing_parameters(rdev);
> + rv6xx_program_bsp(rdev);
> + rv6xx_program_git(rdev);
> + rv6xx_program_tp(rdev);
> + rv6xx_program_tpp(rdev);
> + rv6xx_program_sstp(rdev);
> + rv6xx_program_fcp(rdev);
> + rv6xx_program_vddc3d_parameters(rdev);
> + rv6xx_program_voltage_timing_parameters(rdev);
> + rv6xx_program_engine_speed_parameters(rdev);
> +
> + rv6xx_enable_display_gap(rdev, true);
> + if (pi->display_gap == false)
> + rv6xx_enable_display_gap(rdev, false);
> +
> + rv6xx_program_power_level_enter_state(rdev);
> +
> + rv6xx_calculate_stepping_parameters(rdev);
> +
> + if (pi->voltage_control)
> + rv6xx_program_voltage_gpio_pins(rdev);
> +
> + rv6xx_generate_stepping_table(rdev);
> +
> + rv6xx_program_stepping_parameters_except_lowest_entry(rdev);
> + rv6xx_program_stepping_parameters_lowest_entry(rdev);
> +
> + rv6xx_program_power_level_low(rdev);
> + rv6xx_program_power_level_medium(rdev);
> + rv6xx_program_power_level_high(rdev);
> + rv6xx_program_vc(rdev);
> + rv6xx_program_at(rdev);
> +
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, true);
> +
> + if (rdev->irq.installed &&
> + r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
> + r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
> + rdev->irq.dpm_thermal = true;
> + radeon_irq_set(rdev);
> + }
> +
> + rv6xx_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
> +
> + r600_start_dpm(rdev);
> +
> + if (pi->voltage_control)
> + rv6xx_enable_static_voltage_control(rdev, false);
> +
> + if (pi->dynamic_pcie_gen2)
> + rv6xx_enable_dynamic_pcie_gen2(rdev, true);
> +
> + if (pi->gfx_clock_gating)
> + r600_gfx_clockgating_enable(rdev, true);
> +
> + return 0;
> +}
> +
> +void rv6xx_dpm_disable(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + if (!r600_dynamicpm_enabled(rdev))
> + return;
> +
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
> + rv6xx_enable_display_gap(rdev, false);
> + rv6xx_clear_vc(rdev);
> + r600_set_at(rdev, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF);
> +
> + if (pi->thermal_protection)
> + r600_enable_thermal_protection(rdev, false);
> +
> + r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, false);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
> +
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
> + rv6xx_enable_backbias(rdev, false);
> +
> + rv6xx_enable_spread_spectrum(rdev, false);
> +
> + if (pi->voltage_control)
> + rv6xx_enable_static_voltage_control(rdev, true);
> +
> + if (pi->dynamic_pcie_gen2)
> + rv6xx_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)
> + r600_gfx_clockgating_enable(rdev, false);
> +
> + r600_stop_dpm(rdev);
> +}
> +
> +int rv6xx_dpm_set_power_state(struct radeon_device *rdev)
> +{
> + struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);
> +
> + rv6xx_clear_vc(rdev);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
> + r600_set_at(rdev, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF);
> +
> + if (pi->thermal_protection)
> + r600_enable_thermal_protection(rdev, false);
> +
> + r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_HIGH, false);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
> +
> + rv6xx_generate_transition_stepping(rdev);
> + rv6xx_program_power_level_medium_for_transition(rdev);
> +
> + if (pi->voltage_control) {
> + rv6xx_set_sw_voltage_to_safe(rdev);
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
> + rv6xx_set_sw_voltage_to_low(rdev);
> + }
> +
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
> + rv6xx_set_safe_backbias(rdev);
> +
> + if (pi->dynamic_pcie_gen2)
> + rv6xx_set_safe_pcie_gen2(rdev);
> +
> + if (pi->voltage_control)
> + rv6xx_enable_dynamic_voltage_control(rdev, false);
> +
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
> + rv6xx_enable_dynamic_backbias_control(rdev, false);
> +
> + if (pi->voltage_control) {
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
> + rv6xx_step_voltage_if_increasing(rdev);
> + msleep((rdev->pm.dpm.voltage_response_time + 999) / 1000);
> + }
> +
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, true);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, false);
> + r600_wait_for_power_level_unequal(rdev, R600_POWER_LEVEL_LOW);
> +
> + rv6xx_generate_low_step(rdev);
> + rv6xx_invalidate_intermediate_steps(rdev);
> + rv6xx_calculate_stepping_parameters(rdev);
> + rv6xx_program_stepping_parameters_lowest_entry(rdev);
> + rv6xx_program_power_level_low_to_lowest_state(rdev);
> +
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_LOW, true);
> + r600_wait_for_power_level(rdev, R600_POWER_LEVEL_LOW);
> + r600_power_level_enable(rdev, R600_POWER_LEVEL_MEDIUM, false);
> +
> + if (pi->voltage_control) {
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
> + rv6xx_step_voltage_if_decreasing(rdev);
> + rv6xx_enable_dynamic_voltage_control(rdev, true);
> + }
> +
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
> + rv6xx_enable_dynamic_backbias_control(rdev, true);
> +
> + if (pi->dynamic_pcie_gen2)
> + rv6xx_enable_dynamic_pcie_gen2(rdev, true);
> +
> + rv6xx_reset_lvtm_data_sync(rdev);
> +
> + rv6xx_generate_stepping_table(rdev);
> + rv6xx_program_stepping_parameters_except_lowest_entry(rdev);
> + rv6xx_program_power_level_low(rdev);
> + rv6xx_program_power_level_medium(rdev);
> + rv6xx_program_power_level_high(rdev);
> + rv6xx_enable_medium(rdev);
> + rv6xx_enable_high(rdev);
> +
> + if (pi->thermal_protection)
> + rv6xx_enable_thermal_protection(rdev, true);
> + rv6xx_program_vc(rdev);
> + rv6xx_program_at(rdev);
> +
> + return 0;
> +}
> +
> +void rv6xx_setup_asic(struct radeon_device *rdev)
> +{
> + r600_enable_acpi_pm(rdev);
> +
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s)
> + rv6xx_enable_l0s(rdev);
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1)
> + rv6xx_enable_l1(rdev);
> + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1)
> + rv6xx_enable_pll_sleep_in_l1(rdev);
> +}
> +
> +void rv6xx_dpm_display_configuration_changed(struct radeon_device *rdev)
> +{
> + rv6xx_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 rv6xx_parse_pplib_non_clock_info(struct radeon_device *rdev,
> + struct radeon_ps *rps,
> + struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info)
> +{
> + 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 (r600_is_uvd_state(rps->class, rps->class2)) {
> + rps->vclk = RV6XX_DEFAULT_VCLK_FREQ;
> + rps->dclk = RV6XX_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 rv6xx_parse_pplib_clock_info(struct radeon_device *rdev,
> + struct radeon_ps *rps, int index,
> + union pplib_clock_info *clock_info)
> +{
> + struct rv6xx_ps *ps = rv6xx_get_ps(rps);
> + u32 sclk, mclk;
> + u16 vddc;
> + struct rv6xx_pl *pl;
> +
> + switch (index) {
> + case 0:
> + pl = &ps->low;
> + break;
> + case 1:
> + pl = &ps->medium;
> + break;
> + case 2:
> + default:
> + pl = &ps->high;
> + break;
> + }
> +
> + 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->mclk = mclk;
> + pl->sclk = sclk;
> + pl->vddc = le16_to_cpu(clock_info->r600.usVDDC);
> + pl->flags = le32_to_cpu(clock_info->r600.ulFlags);
> +
> + /* patch up vddc if necessary */
> + if (pl->vddc == 0xff01) {
> + if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0)
> + pl->vddc = vddc;
> + }
> +
> + /* fix up pcie gen2 */
> + if (pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) {
> + if ((rdev->family == CHIP_RV610) || (rdev->family == CHIP_RV630)) {
> + if (pl->vddc < 1100)
> + pl->flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
> + }
> + }
> +
> + /* patch up boot state */
> + if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
> + u16 vddc, vddci;
> + radeon_atombios_get_default_voltages(rdev, &vddc, &vddci);
> + pl->mclk = rdev->clock.default_mclk;
> + pl->sclk = rdev->clock.default_sclk;
> + pl->vddc = vddc;
> + }
> +}
> +
> +static int rv6xx_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 rv6xx_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) {
> + ps = kzalloc(sizeof(struct rv6xx_ps), GFP_KERNEL);
> + if (ps == NULL) {
> + kfree(rdev->pm.dpm.ps);
> + return -ENOMEM;
> + }
> + rdev->pm.dpm.ps[i].ps_priv = ps;
> + rv6xx_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
> + non_clock_info);
> + 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) +
> + (power_state->v1.ucClockStateIndices[j] *
> + power_info->pplib.ucClockInfoSize));
> + rv6xx_parse_pplib_clock_info(rdev,
> + &rdev->pm.dpm.ps[i], j,
> + clock_info);
> + }
> + }
> + }
> + rdev->pm.dpm.num_ps = power_info->pplib.ucNumStates;
> + return 0;
> +}
> +
> +int rv6xx_dpm_init(struct radeon_device *rdev)
> +{
> + int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
> + uint16_t data_offset, size;
> + uint8_t frev, crev;
> + struct atom_clock_dividers dividers;
> + struct rv6xx_power_info *pi;
> + int ret;
> +
> + pi = kzalloc(sizeof(struct rv6xx_power_info), GFP_KERNEL);
> + if (pi == NULL)
> + return -ENOMEM;
> + rdev->pm.dpm.priv = pi;
> +
> + ret = rv6xx_parse_power_table(rdev);
> + if (ret)
> + return ret;
> +
> + if (rdev->pm.dpm.voltage_response_time == 0)
> + rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
> + if (rdev->pm.dpm.backbias_response_time == 0)
> + rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
> +
> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
> + 0, false, ÷rs);
> + if (ret)
> + pi->spll_ref_div = dividers.ref_div + 1;
> + else
> + pi->spll_ref_div = R600_REFERENCEDIVIDER_DFLT;
> +
> + ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM,
> + 0, false, ÷rs);
> + if (ret)
> + pi->mpll_ref_div = dividers.ref_div + 1;
> + else
> + pi->mpll_ref_div = R600_REFERENCEDIVIDER_DFLT;
> +
> + if (rdev->family >= CHIP_RV670)
> + pi->fb_div_scale = 1;
> + else
> + pi->fb_div_scale = 0;
> +
> + pi->voltage_control =
> + radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC);
> +
> + pi->gfx_clock_gating = true;
> +
> + if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
> + &frev, &crev, &data_offset)) {
> + pi->sclk_ss = true;
> + pi->mclk_ss = true;
> + pi->dynamic_ss = true;
> + } else {
> + pi->sclk_ss = false;
> + pi->mclk_ss = false;
> + pi->dynamic_ss = false;
> + }
> +
> + pi->dynamic_pcie_gen2 = true;
> +
> + if (pi->gfx_clock_gating &&
> + (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
> + pi->thermal_protection = true;
> + else
> + pi->thermal_protection = false;
> +
> + pi->display_gap = true;
> +
> + return 0;
> +}
> +
> +void rv6xx_dpm_print_power_state(struct radeon_device *rdev,
> + struct radeon_ps *rps)
> +{
> + struct rv6xx_ps *ps = rv6xx_get_ps(rps);
> + struct rv6xx_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);
> + 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 rv6xx_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 rv6xx_dpm_get_sclk(struct radeon_device *rdev, bool low)
> +{
> + struct rv6xx_ps *requested_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> +
> + if (low)
> + return requested_state->low.sclk;
> + else
> + return requested_state->high.sclk;
> +}
> +
> +u32 rv6xx_dpm_get_mclk(struct radeon_device *rdev, bool low)
> +{
> + struct rv6xx_ps *requested_state = rv6xx_get_ps(rdev->pm.dpm.requested_ps);
> +
> + if (low)
> + return requested_state->low.mclk;
> + else
> + return requested_state->high.mclk;
> +}
> diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.h b/drivers/gpu/drm/radeon/rv6xx_dpm.h
> new file mode 100644
> index 0000000..8035d53
> --- /dev/null
> +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.h
> @@ -0,0 +1,95 @@
> +/*
> + * 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
> + */
> +
> +#ifndef __RV6XX_DPM_H__
> +#define __RV6XX_DPM_H__
> +
> +#include "r600_dpm.h"
> +
> +/* Represents a single SCLK step. */
> +struct rv6xx_sclk_stepping
> +{
> + u32 vco_frequency;
> + u32 post_divider;
> +};
> +
> +struct rv6xx_pm_hw_state {
> + u32 sclks[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
> + u32 mclks[R600_PM_NUMBER_OF_MCLKS];
> + u16 vddc[R600_PM_NUMBER_OF_VOLTAGE_LEVELS];
> + bool backbias[R600_PM_NUMBER_OF_VOLTAGE_LEVELS];
> + bool pcie_gen2[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
> + u8 high_sclk_index;
> + u8 medium_sclk_index;
> + u8 low_sclk_index;
> + u8 high_mclk_index;
> + u8 medium_mclk_index;
> + u8 low_mclk_index;
> + u8 high_vddc_index;
> + u8 medium_vddc_index;
> + u8 low_vddc_index;
> + u8 rp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
> + u8 lp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
> +};
> +
> +struct rv6xx_power_info {
> + /* flags */
> + bool voltage_control;
> + bool sclk_ss;
> + bool mclk_ss;
> + bool dynamic_ss;
> + bool dynamic_pcie_gen2;
> + bool thermal_protection;
> + bool display_gap;
> + bool gfx_clock_gating;
> + /* clk values */
> + u32 fb_div_scale;
> + u32 spll_ref_div;
> + u32 mpll_ref_div;
> + u32 bsu;
> + u32 bsp;
> + /* */
> + u32 active_auto_throttle_sources;
> + /* current power state */
> + u32 restricted_levels;
> + struct rv6xx_pm_hw_state hw;
> +};
> +
> +struct rv6xx_pl {
> + u32 sclk;
> + u32 mclk;
> + u16 vddc;
> + u32 flags;
> +};
> +
> +struct rv6xx_ps {
> + struct rv6xx_pl high;
> + struct rv6xx_pl medium;
> + struct rv6xx_pl low;
> +};
> +
> +#define RV6XX_DEFAULT_VCLK_FREQ 40000 /* 10 khz */
> +#define RV6XX_DEFAULT_DCLK_FREQ 30000 /* 10 khz */
> +
> +#endif
> diff --git a/drivers/gpu/drm/radeon/rv6xxd.h b/drivers/gpu/drm/radeon/rv6xxd.h
> new file mode 100644
> index 0000000..34e86f9
> --- /dev/null
> +++ b/drivers/gpu/drm/radeon/rv6xxd.h
> @@ -0,0 +1,246 @@
> +/*
> + * 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 RV6XXD_H
> +#define RV6XXD_H
> +
> +/* RV6xx power management */
> +#define SPLL_CNTL_MODE 0x60c
> +# define SPLL_DIV_SYNC (1 << 5)
> +
> +#define GENERAL_PWRMGT 0x618
> +# define GLOBAL_PWRMGT_EN (1 << 0)
> +# define STATIC_PM_EN (1 << 1)
> +# define MOBILE_SU (1 << 2)
> +# define THERMAL_PROTECTION_DIS (1 << 3)
> +# define THERMAL_PROTECTION_TYPE (1 << 4)
> +# define ENABLE_GEN2PCIE (1 << 5)
> +# define SW_GPIO_INDEX(x) ((x) << 6)
> +# define SW_GPIO_INDEX_MASK (3 << 6)
> +# define LOW_VOLT_D2_ACPI (1 << 8)
> +# define LOW_VOLT_D3_ACPI (1 << 9)
> +# define VOLT_PWRMGT_EN (1 << 10)
> +# define BACKBIAS_PAD_EN (1 << 16)
> +# define BACKBIAS_VALUE (1 << 17)
> +# define BACKBIAS_DPM_CNTL (1 << 18)
> +# define DYN_SPREAD_SPECTRUM_EN (1 << 21)
> +
> +#define MCLK_PWRMGT_CNTL 0x624
> +# define MPLL_PWRMGT_OFF (1 << 0)
> +# define YCLK_TURNOFF (1 << 1)
> +# define MPLL_TURNOFF (1 << 2)
> +# define SU_MCLK_USE_BCLK (1 << 3)
> +# define DLL_READY (1 << 4)
> +# define MC_BUSY (1 << 5)
> +# define MC_INT_CNTL (1 << 7)
> +# define MRDCKA_SLEEP (1 << 8)
> +# define MRDCKB_SLEEP (1 << 9)
> +# define MRDCKC_SLEEP (1 << 10)
> +# define MRDCKD_SLEEP (1 << 11)
> +# define MRDCKE_SLEEP (1 << 12)
> +# define MRDCKF_SLEEP (1 << 13)
> +# define MRDCKG_SLEEP (1 << 14)
> +# define MRDCKH_SLEEP (1 << 15)
> +# define MRDCKA_RESET (1 << 16)
> +# define MRDCKB_RESET (1 << 17)
> +# define MRDCKC_RESET (1 << 18)
> +# define MRDCKD_RESET (1 << 19)
> +# define MRDCKE_RESET (1 << 20)
> +# define MRDCKF_RESET (1 << 21)
> +# define MRDCKG_RESET (1 << 22)
> +# define MRDCKH_RESET (1 << 23)
> +# define DLL_READY_READ (1 << 24)
> +# define USE_DISPLAY_GAP (1 << 25)
> +# define USE_DISPLAY_URGENT_NORMAL (1 << 26)
> +# define USE_DISPLAY_GAP_CTXSW (1 << 27)
> +# define MPLL_TURNOFF_D2 (1 << 28)
> +# define USE_DISPLAY_URGENT_CTXSW (1 << 29)
> +
> +#define MPLL_FREQ_LEVEL_0 0x6e8
> +# define LEVEL0_MPLL_POST_DIV(x) ((x) << 0)
> +# define LEVEL0_MPLL_POST_DIV_MASK (0xff << 0)
> +# define LEVEL0_MPLL_FB_DIV(x) ((x) << 8)
> +# define LEVEL0_MPLL_FB_DIV_MASK (0xfff << 8)
> +# define LEVEL0_MPLL_REF_DIV(x) ((x) << 20)
> +# define LEVEL0_MPLL_REF_DIV_MASK (0x3f << 20)
> +# define LEVEL0_MPLL_DIV_EN (1 << 28)
> +# define LEVEL0_DLL_BYPASS (1 << 29)
> +# define LEVEL0_DLL_RESET (1 << 30)
> +
> +#define VID_RT 0x6f8
> +# define VID_CRT(x) ((x) << 0)
> +# define VID_CRT_MASK (0x1fff << 0)
> +# define VID_CRTU(x) ((x) << 13)
> +# define VID_CRTU_MASK (7 << 13)
> +# define SSTU(x) ((x) << 16)
> +# define SSTU_MASK (7 << 16)
> +# define VID_SWT(x) ((x) << 19)
> +# define VID_SWT_MASK (0x1f << 19)
> +# define BRT(x) ((x) << 24)
> +# define BRT_MASK (0xff << 24)
> +
> +#define TARGET_AND_CURRENT_PROFILE_INDEX 0x70c
> +# define TARGET_PROFILE_INDEX_MASK (3 << 0)
> +# define TARGET_PROFILE_INDEX_SHIFT 0
> +# define CURRENT_PROFILE_INDEX_MASK (3 << 2)
> +# define CURRENT_PROFILE_INDEX_SHIFT 2
> +# define DYN_PWR_ENTER_INDEX(x) ((x) << 4)
> +# define DYN_PWR_ENTER_INDEX_MASK (3 << 4)
> +# define DYN_PWR_ENTER_INDEX_SHIFT 4
> +# define CURR_MCLK_INDEX_MASK (3 << 6)
> +# define CURR_MCLK_INDEX_SHIFT 6
> +# define CURR_SCLK_INDEX_MASK (0x1f << 8)
> +# define CURR_SCLK_INDEX_SHIFT 8
> +# define CURR_VID_INDEX_MASK (3 << 13)
> +# define CURR_VID_INDEX_SHIFT 13
> +
> +#define VID_UPPER_GPIO_CNTL 0x740
> +# define CTXSW_UPPER_GPIO_VALUES(x) ((x) << 0)
> +# define CTXSW_UPPER_GPIO_VALUES_MASK (7 << 0)
> +# define HIGH_UPPER_GPIO_VALUES(x) ((x) << 3)
> +# define HIGH_UPPER_GPIO_VALUES_MASK (7 << 3)
> +# define MEDIUM_UPPER_GPIO_VALUES(x) ((x) << 6)
> +# define MEDIUM_UPPER_GPIO_VALUES_MASK (7 << 6)
> +# define LOW_UPPER_GPIO_VALUES(x) ((x) << 9)
> +# define LOW_UPPER_GPIO_VALUES_MASK (7 << 9)
> +# define CTXSW_BACKBIAS_VALUE (1 << 12)
> +# define HIGH_BACKBIAS_VALUE (1 << 13)
> +# define MEDIUM_BACKBIAS_VALUE (1 << 14)
> +# define LOW_BACKBIAS_VALUE (1 << 15)
> +
> +#define CG_DISPLAY_GAP_CNTL 0x7dc
> +# define DISP1_GAP(x) ((x) << 0)
> +# define DISP1_GAP_MASK (3 << 0)
> +# define DISP2_GAP(x) ((x) << 2)
> +# define DISP2_GAP_MASK (3 << 2)
> +# define VBI_TIMER_COUNT(x) ((x) << 4)
> +# define VBI_TIMER_COUNT_MASK (0x3fff << 4)
> +# define VBI_TIMER_UNIT(x) ((x) << 20)
> +# define VBI_TIMER_UNIT_MASK (7 << 20)
> +# define DISP1_GAP_MCHG(x) ((x) << 24)
> +# define DISP1_GAP_MCHG_MASK (3 << 24)
> +# define DISP2_GAP_MCHG(x) ((x) << 26)
> +# define DISP2_GAP_MCHG_MASK (3 << 26)
> +
> +#define CG_THERMAL_CTRL 0x7f0
> +# define DPM_EVENT_SRC(x) ((x) << 0)
> +# define DPM_EVENT_SRC_MASK (7 << 0)
> +# define THERM_INC_CLK (1 << 3)
> +# define TOFFSET(x) ((x) << 4)
> +# define TOFFSET_MASK (0xff << 4)
> +# define DIG_THERM_DPM(x) ((x) << 12)
> +# define DIG_THERM_DPM_MASK (0xff << 12)
> +# define CTF_SEL(x) ((x) << 20)
> +# define CTF_SEL_MASK (7 << 20)
> +# define CTF_PAD_POLARITY (1 << 23)
> +# define CTF_PAD_EN (1 << 24)
> +
> +#define CG_SPLL_SPREAD_SPECTRUM_LOW 0x820
> +# define SSEN (1 << 0)
> +# define CLKS(x) ((x) << 3)
> +# define CLKS_MASK (0xff << 3)
> +# define CLKS_SHIFT 3
> +# define CLKV(x) ((x) << 11)
> +# define CLKV_MASK (0x7ff << 11)
> +# define CLKV_SHIFT 11
> +#define CG_MPLL_SPREAD_SPECTRUM 0x830
> +
> +#define CITF_CNTL 0x200c
> +# define BLACKOUT_RD (1 << 0)
> +# define BLACKOUT_WR (1 << 1)
> +
> +#define RAMCFG 0x2408
> +#define NOOFBANK_SHIFT 0
> +#define NOOFBANK_MASK 0x00000001
> +#define NOOFRANK_SHIFT 1
> +#define NOOFRANK_MASK 0x00000002
> +#define NOOFROWS_SHIFT 2
> +#define NOOFROWS_MASK 0x0000001C
> +#define NOOFCOLS_SHIFT 5
> +#define NOOFCOLS_MASK 0x00000060
> +#define CHANSIZE_SHIFT 7
> +#define CHANSIZE_MASK 0x00000080
> +#define BURSTLENGTH_SHIFT 8
> +#define BURSTLENGTH_MASK 0x00000100
> +#define CHANSIZE_OVERRIDE (1 << 10)
> +
> +#define SQM_RATIO 0x2424
> +# define STATE0(x) ((x) << 0)
> +# define STATE0_MASK (0xff << 0)
> +# define STATE1(x) ((x) << 8)
> +# define STATE1_MASK (0xff << 8)
> +# define STATE2(x) ((x) << 16)
> +# define STATE2_MASK (0xff << 16)
> +# define STATE3(x) ((x) << 24)
> +# define STATE3_MASK (0xff << 24)
> +
> +#define ARB_RFSH_CNTL 0x2460
> +# define ENABLE (1 << 0)
> +#define ARB_RFSH_RATE 0x2464
> +# define POWERMODE0(x) ((x) << 0)
> +# define POWERMODE0_MASK (0xff << 0)
> +# define POWERMODE1(x) ((x) << 8)
> +# define POWERMODE1_MASK (0xff << 8)
> +# define POWERMODE2(x) ((x) << 16)
> +# define POWERMODE2_MASK (0xff << 16)
> +# define POWERMODE3(x) ((x) << 24)
> +# define POWERMODE3_MASK (0xff << 24)
> +
> +#define MC_SEQ_DRAM 0x2608
> +# define CKE_DYN (1 << 12)
> +
> +#define MC_SEQ_CMD 0x26c4
> +
> +#define MC_SEQ_RESERVE_S 0x2890
> +#define MC_SEQ_RESERVE_M 0x2894
> +
> +#define LVTMA_DATA_SYNCHRONIZATION 0x7adc
> +# define LVTMA_PFREQCHG (1 << 8)
> +#define DCE3_LVTMA_DATA_SYNCHRONIZATION 0x7f98
> +
> +/* PCIE indirect regs */
> +#define PCIE_P_CNTL 0x40
> +# define P_PLL_PWRDN_IN_L1L23 (1 << 3)
> +# define P_PLL_BUF_PDNB (1 << 4)
> +# define P_PLL_PDNB (1 << 9)
> +# define P_ALLOW_PRX_FRONTEND_SHUTOFF (1 << 12)
> +/* PCIE PORT indirect regs */
> +#define PCIE_LC_CNTL 0xa0
> +# define LC_L0S_INACTIVITY(x) ((x) << 8)
> +# define LC_L0S_INACTIVITY_MASK (0xf << 8)
> +# define LC_L0S_INACTIVITY_SHIFT 8
> +# define LC_L1_INACTIVITY(x) ((x) << 12)
> +# define LC_L1_INACTIVITY_MASK (0xf << 12)
> +# define LC_L1_INACTIVITY_SHIFT 12
> +# define LC_PMI_TO_L1_DIS (1 << 16)
> +# define LC_ASPM_TO_L1_DIS (1 << 24)
> +#define PCIE_LC_SPEED_CNTL 0xa4
> +# define LC_GEN2_EN (1 << 0)
> +# define LC_INITIATE_LINK_SPEED_CHANGE (1 << 7)
> +# define LC_CURRENT_DATA_RATE (1 << 11)
> +# define LC_HW_VOLTAGE_IF_CONTROL(x) ((x) << 12)
> +# define LC_HW_VOLTAGE_IF_CONTROL_MASK (3 << 12)
> +# define LC_HW_VOLTAGE_IF_CONTROL_SHIFT 12
> +# define LC_OTHER_SIDE_EVER_SENT_GEN2 (1 << 23)
> +# define LC_OTHER_SIDE_SUPPORTS_GEN2 (1 << 24)
> +
> +#endif
More information about the dri-devel
mailing list