]> rtime.felk.cvut.cz Git - linux-imx.git/commitdiff
drm/radeon/kms: add dpm support for sumo asics (v2)
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 12 Apr 2013 18:56:21 +0000 (14:56 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 27 Jun 2013 23:15:44 +0000 (19:15 -0400)
This adds dpm support for sumo asics.  This includes:
- clockgating
- powergating
- dynamic engine clock scaling
- dynamic voltage scaling

set radeon.dpm=1 to enable it.

v2: fix indention

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
drivers/gpu/drm/radeon/Makefile
drivers/gpu/drm/radeon/radeon_asic.c
drivers/gpu/drm/radeon/radeon_asic.h
drivers/gpu/drm/radeon/radeon_pm.c
drivers/gpu/drm/radeon/sumo_dpm.c [new file with mode: 0644]
drivers/gpu/drm/radeon/sumo_dpm.h [new file with mode: 0644]
drivers/gpu/drm/radeon/sumo_smc.c [new file with mode: 0644]
drivers/gpu/drm/radeon/sumod.h [new file with mode: 0644]

index af3dd8fa0ca355fd6aaba2419b2477783e9a7d5b..7c77e1d8b5ce169e60d98fb86434477ab4361f19 100644 (file)
@@ -78,7 +78,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.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 rv6xx_dpm.o rv770_dpm.o rv730_dpm.o rv740_dpm.o \
-       rv770_smc.o cypress_dpm.o btc_dpm.o
+       rv770_smc.o cypress_dpm.o btc_dpm.o sumo_dpm.o sumo_smc.o
 
 radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
 radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
index f9c3f1c1f3e2b61de4ad7d8afd2492b68b96926f..1419eddf5e1d660e8430268746dbbd8246aaf673 100644 (file)
@@ -1614,6 +1614,18 @@ static struct radeon_asic sumo_asic = {
                .set_uvd_clocks = &sumo_set_uvd_clocks,
                .get_temperature = &sumo_get_temp,
        },
+       .dpm = {
+               .init = &sumo_dpm_init,
+               .setup_asic = &sumo_dpm_setup_asic,
+               .enable = &sumo_dpm_enable,
+               .disable = &sumo_dpm_disable,
+               .set_power_state = &sumo_dpm_set_power_state,
+               .display_configuration_changed = &sumo_dpm_display_configuration_changed,
+               .fini = &sumo_dpm_fini,
+               .get_sclk = &sumo_dpm_get_sclk,
+               .get_mclk = &sumo_dpm_get_mclk,
+               .print_power_state = &sumo_dpm_print_power_state,
+       },
        .pflip = {
                .pre_page_flip = &evergreen_pre_page_flip,
                .page_flip = &evergreen_page_flip,
index c41a54523a1d345e43c89e40fcb3dfe6ecfbcca9..336e3b63cfd6a989a712dd1824963951fea8a4c7 100644 (file)
@@ -542,6 +542,17 @@ int btc_dpm_enable(struct radeon_device *rdev);
 void btc_dpm_disable(struct radeon_device *rdev);
 int btc_dpm_set_power_state(struct radeon_device *rdev);
 void btc_dpm_fini(struct radeon_device *rdev);
+int sumo_dpm_init(struct radeon_device *rdev);
+int sumo_dpm_enable(struct radeon_device *rdev);
+void sumo_dpm_disable(struct radeon_device *rdev);
+int sumo_dpm_set_power_state(struct radeon_device *rdev);
+void sumo_dpm_setup_asic(struct radeon_device *rdev);
+void sumo_dpm_display_configuration_changed(struct radeon_device *rdev);
+void sumo_dpm_fini(struct radeon_device *rdev);
+u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low);
+u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low);
+void sumo_dpm_print_power_state(struct radeon_device *rdev,
+                               struct radeon_ps *ps);
 
 /*
  * cayman
index 7e4377f8c477c9ae8d573dc9708a94ea9693f715..8e913a9ec8b2b4da73d9853384586cbc30c91c74 100644 (file)
@@ -1046,6 +1046,9 @@ int radeon_pm_init(struct radeon_device *rdev)
        case CHIP_JUNIPER:
        case CHIP_CYPRESS:
        case CHIP_HEMLOCK:
+       case CHIP_PALM:
+       case CHIP_SUMO:
+       case CHIP_SUMO2:
        case CHIP_BARTS:
        case CHIP_TURKS:
        case CHIP_CAICOS:
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c
new file mode 100644 (file)
index 0000000..fa2a72e
--- /dev/null
@@ -0,0 +1,1677 @@
+/*
+ * Copyright 2012 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.
+ *
+ */
+
+#include "drmP.h"
+#include "radeon.h"
+#include "sumod.h"
+#include "r600_dpm.h"
+#include "cypress_dpm.h"
+#include "sumo_dpm.h"
+#include "atom.h"
+
+#define SUMO_MAX_DEEPSLEEP_DIVIDER_ID 5
+#define SUMO_MINIMUM_ENGINE_CLOCK 800
+#define BOOST_DPM_LEVEL 7
+
+static const u32 sumo_utc[SUMO_PM_NUMBER_OF_TC] =
+{
+       SUMO_UTC_DFLT_00,
+       SUMO_UTC_DFLT_01,
+       SUMO_UTC_DFLT_02,
+       SUMO_UTC_DFLT_03,
+       SUMO_UTC_DFLT_04,
+       SUMO_UTC_DFLT_05,
+       SUMO_UTC_DFLT_06,
+       SUMO_UTC_DFLT_07,
+       SUMO_UTC_DFLT_08,
+       SUMO_UTC_DFLT_09,
+       SUMO_UTC_DFLT_10,
+       SUMO_UTC_DFLT_11,
+       SUMO_UTC_DFLT_12,
+       SUMO_UTC_DFLT_13,
+       SUMO_UTC_DFLT_14,
+};
+
+static const u32 sumo_dtc[SUMO_PM_NUMBER_OF_TC] =
+{
+       SUMO_DTC_DFLT_00,
+       SUMO_DTC_DFLT_01,
+       SUMO_DTC_DFLT_02,
+       SUMO_DTC_DFLT_03,
+       SUMO_DTC_DFLT_04,
+       SUMO_DTC_DFLT_05,
+       SUMO_DTC_DFLT_06,
+       SUMO_DTC_DFLT_07,
+       SUMO_DTC_DFLT_08,
+       SUMO_DTC_DFLT_09,
+       SUMO_DTC_DFLT_10,
+       SUMO_DTC_DFLT_11,
+       SUMO_DTC_DFLT_12,
+       SUMO_DTC_DFLT_13,
+       SUMO_DTC_DFLT_14,
+};
+
+struct sumo_ps *sumo_get_ps(struct radeon_ps *rps)
+{
+       struct sumo_ps *ps = rps->ps_priv;
+
+       return ps;
+}
+
+struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = rdev->pm.dpm.priv;
+
+       return pi;
+}
+
+u32 sumo_get_xclk(struct radeon_device *rdev)
+{
+       return rdev->clock.spll.reference_freq;
+}
+
+static void sumo_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
+{
+       if (enable)
+               WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
+       else {
+               WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
+               WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
+               WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
+               RREG32(GB_ADDR_CONFIG);
+       }
+}
+
+#define CGCG_CGTT_LOCAL0_MASK 0xE5BFFFFF
+#define CGCG_CGTT_LOCAL1_MASK 0xEFFF07FF
+
+static void sumo_mg_clockgating_enable(struct radeon_device *rdev, bool enable)
+{
+       u32 local0;
+       u32 local1;
+
+       local0 = RREG32(CG_CGTT_LOCAL_0);
+       local1 = RREG32(CG_CGTT_LOCAL_1);
+
+       if (enable) {
+               WREG32(CG_CGTT_LOCAL_0, (0 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
+               WREG32(CG_CGTT_LOCAL_1, (0 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
+       } else {
+               WREG32(CG_CGTT_LOCAL_0, (0xFFFFFFFF & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
+               WREG32(CG_CGTT_LOCAL_1, (0xFFFFCFFF & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
+       }
+}
+
+static void sumo_program_git(struct radeon_device *rdev)
+{
+       u32 p, u;
+       u32 xclk = sumo_get_xclk(rdev);
+
+       r600_calculate_u_and_p(SUMO_GICST_DFLT,
+                              xclk, 16, &p, &u);
+
+       WREG32_P(CG_GIT, CG_GICST(p), ~CG_GICST_MASK);
+}
+
+static void sumo_program_grsd(struct radeon_device *rdev)
+{
+       u32 p, u;
+       u32 xclk = sumo_get_xclk(rdev);
+       u32 grs = 256 * 25 / 100;
+
+       r600_calculate_u_and_p(1, xclk, 14, &p, &u);
+
+       WREG32(CG_GCOOR, PHC(grs) | SDC(p) | SU(u));
+}
+
+static void sumo_gfx_clockgating_initialize(struct radeon_device *rdev)
+{
+       sumo_program_git(rdev);
+       sumo_program_grsd(rdev);
+}
+
+static void sumo_gfx_powergating_initialize(struct radeon_device *rdev)
+{
+       u32 rcu_pwr_gating_cntl;
+       u32 p, u;
+       u32 p_c, p_p, d_p;
+       u32 r_t, i_t;
+       u32 xclk = sumo_get_xclk(rdev);
+
+       if (rdev->family == CHIP_PALM) {
+               p_c = 4;
+               d_p = 10;
+               r_t = 10;
+               i_t = 4;
+               p_p = 50 + 1000/200 + 6 * 32;
+       } else {
+               p_c = 16;
+               d_p = 50;
+               r_t = 50;
+               i_t  = 50;
+               p_p = 113;
+       }
+
+       WREG32(CG_SCRATCH2, 0x01B60A17);
+
+       r600_calculate_u_and_p(SUMO_GFXPOWERGATINGT_DFLT,
+                              xclk, 16, &p, &u);
+
+       WREG32_P(CG_PWR_GATING_CNTL, PGP(p) | PGU(u),
+                ~(PGP_MASK | PGU_MASK));
+
+       r600_calculate_u_and_p(SUMO_VOLTAGEDROPT_DFLT,
+                              xclk, 16, &p, &u);
+
+       WREG32_P(CG_CG_VOLTAGE_CNTL, PGP(p) | PGU(u),
+                ~(PGP_MASK | PGU_MASK));
+
+       if (rdev->family == CHIP_PALM) {
+               WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x10103210);
+               WREG32_RCU(RCU_PWR_GATING_SEQ1, 0x10101010);
+       } else {
+               WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x76543210);
+               WREG32_RCU(RCU_PWR_GATING_SEQ1, 0xFEDCBA98);
+       }
+
+       rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
+       rcu_pwr_gating_cntl &=
+               ~(RSVD_MASK | PCV_MASK | PGS_MASK);
+       rcu_pwr_gating_cntl |= PCV(p_c) | PGS(1) | PWR_GATING_EN;
+       if (rdev->family == CHIP_PALM) {
+               rcu_pwr_gating_cntl &= ~PCP_MASK;
+               rcu_pwr_gating_cntl |= PCP(0x77);
+       }
+       WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
+
+       rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
+       rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
+       rcu_pwr_gating_cntl |= MPPU(p_p) | MPPD(50);
+       WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
+
+       rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
+       rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
+       rcu_pwr_gating_cntl |= DPPU(d_p) | DPPD(50);
+       WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
+
+       rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_4);
+       rcu_pwr_gating_cntl &= ~(RT_MASK | IT_MASK);
+       rcu_pwr_gating_cntl |= RT(r_t) | IT(i_t);
+       WREG32_RCU(RCU_PWR_GATING_CNTL_4, rcu_pwr_gating_cntl);
+
+       if (rdev->family == CHIP_PALM)
+               WREG32_RCU(RCU_PWR_GATING_CNTL_5, 0xA02);
+
+       sumo_smu_pg_init(rdev);
+
+       rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
+       rcu_pwr_gating_cntl &=
+               ~(RSVD_MASK | PCV_MASK | PGS_MASK);
+       rcu_pwr_gating_cntl |= PCV(p_c) | PGS(4) | PWR_GATING_EN;
+       if (rdev->family == CHIP_PALM) {
+               rcu_pwr_gating_cntl &= ~PCP_MASK;
+               rcu_pwr_gating_cntl |= PCP(0x77);
+       }
+       WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
+
+       if (rdev->family == CHIP_PALM) {
+               rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
+               rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
+               rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50);
+               WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
+
+               rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
+               rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
+               rcu_pwr_gating_cntl |= DPPU(16) | DPPD(50);
+               WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
+       }
+
+       sumo_smu_pg_init(rdev);
+
+       rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
+       rcu_pwr_gating_cntl &=
+               ~(RSVD_MASK | PCV_MASK | PGS_MASK);
+       rcu_pwr_gating_cntl |= PGS(5) | PWR_GATING_EN;
+
+       if (rdev->family == CHIP_PALM) {
+               rcu_pwr_gating_cntl |= PCV(4);
+               rcu_pwr_gating_cntl &= ~PCP_MASK;
+               rcu_pwr_gating_cntl |= PCP(0x77);
+       } else
+               rcu_pwr_gating_cntl |= PCV(11);
+       WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
+
+       if (rdev->family == CHIP_PALM) {
+               rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
+               rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
+               rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50);
+               WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
+
+               rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
+               rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
+               rcu_pwr_gating_cntl |= DPPU(22) | DPPD(50);
+               WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
+       }
+
+       sumo_smu_pg_init(rdev);
+}
+
+static void sumo_gfx_powergating_enable(struct radeon_device *rdev, bool enable)
+{
+       if (enable)
+               WREG32_P(CG_PWR_GATING_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN);
+       else {
+               WREG32_P(CG_PWR_GATING_CNTL, 0, ~DYN_PWR_DOWN_EN);
+               RREG32(GB_ADDR_CONFIG);
+       }
+}
+
+static int sumo_enable_clock_power_gating(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (pi->enable_gfx_clock_gating)
+               sumo_gfx_clockgating_initialize(rdev);
+       if (pi->enable_gfx_power_gating)
+               sumo_gfx_powergating_initialize(rdev);
+       if (pi->enable_mg_clock_gating)
+               sumo_mg_clockgating_enable(rdev, true);
+       if (pi->enable_gfx_clock_gating)
+               sumo_gfx_clockgating_enable(rdev, true);
+       if (pi->enable_gfx_power_gating)
+               sumo_gfx_powergating_enable(rdev, true);
+
+       return 0;
+}
+
+static void sumo_disable_clock_power_gating(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (pi->enable_gfx_clock_gating)
+               sumo_gfx_clockgating_enable(rdev, false);
+       if (pi->enable_gfx_power_gating)
+               sumo_gfx_powergating_enable(rdev, false);
+       if (pi->enable_mg_clock_gating)
+               sumo_mg_clockgating_enable(rdev, false);
+}
+
+static void sumo_calculate_bsp(struct radeon_device *rdev,
+                              u32 high_clk)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 xclk = sumo_get_xclk(rdev);
+
+       pi->pasi = 65535 * 100 / high_clk;
+       pi->asi = 65535 * 100 / high_clk;
+
+       r600_calculate_u_and_p(pi->asi,
+                              xclk, 16, &pi->bsp, &pi->bsu);
+
+       r600_calculate_u_and_p(pi->pasi,
+                              xclk, 16, &pi->pbsp, &pi->pbsu);
+
+       pi->dsp = BSP(pi->bsp) | BSU(pi->bsu);
+       pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu);
+}
+
+static void sumo_init_bsp(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       WREG32(CG_BSP_0, pi->psp);
+}
+
+
+static void sumo_program_bsp(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct sumo_ps *ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       u32 i;
+       u32 highest_engine_clock = ps->levels[ps->num_levels - 1].sclk;
+
+       if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
+               highest_engine_clock = pi->boost_pl.sclk;
+
+       sumo_calculate_bsp(rdev, highest_engine_clock);
+
+       for (i = 0; i < ps->num_levels - 1; i++)
+               WREG32(CG_BSP_0 + (i * 4), pi->dsp);
+
+       WREG32(CG_BSP_0 + (i * 4), pi->psp);
+
+       if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
+               WREG32(CG_BSP_0 + (BOOST_DPM_LEVEL * 4), pi->psp);
+}
+
+static void sumo_write_at(struct radeon_device *rdev,
+                         u32 index, u32 value)
+{
+       if (index == 0)
+               WREG32(CG_AT_0, value);
+       else if (index == 1)
+               WREG32(CG_AT_1, value);
+       else if (index == 2)
+               WREG32(CG_AT_2, value);
+       else if (index == 3)
+               WREG32(CG_AT_3, value);
+       else if (index == 4)
+               WREG32(CG_AT_4, value);
+       else if (index == 5)
+               WREG32(CG_AT_5, value);
+       else if (index == 6)
+               WREG32(CG_AT_6, value);
+       else if (index == 7)
+               WREG32(CG_AT_7, value);
+}
+
+static void sumo_program_at(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct sumo_ps *ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       u32 asi;
+       u32 i;
+       u32 m_a;
+       u32 a_t;
+       u32 r[SUMO_MAX_HARDWARE_POWERLEVELS];
+       u32 l[SUMO_MAX_HARDWARE_POWERLEVELS];
+
+       r[0] = SUMO_R_DFLT0;
+       r[1] = SUMO_R_DFLT1;
+       r[2] = SUMO_R_DFLT2;
+       r[3] = SUMO_R_DFLT3;
+       r[4] = SUMO_R_DFLT4;
+
+       l[0] = SUMO_L_DFLT0;
+       l[1] = SUMO_L_DFLT1;
+       l[2] = SUMO_L_DFLT2;
+       l[3] = SUMO_L_DFLT3;
+       l[4] = SUMO_L_DFLT4;
+
+       for (i = 0; i < ps->num_levels; i++) {
+               asi = (i == ps->num_levels - 1) ? pi->pasi : pi->asi;
+
+               m_a = asi * ps->levels[i].sclk / 100;
+
+               a_t = CG_R(m_a * r[i] / 100) | CG_L(m_a * l[i] / 100);
+
+               sumo_write_at(rdev, i, a_t);
+       }
+
+       if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) {
+               asi = pi->pasi;
+
+               m_a = asi * pi->boost_pl.sclk / 100;
+
+               a_t = CG_R(m_a * r[ps->num_levels - 1] / 100) |
+                       CG_L(m_a * l[ps->num_levels - 1] / 100);
+
+               sumo_write_at(rdev, BOOST_DPM_LEVEL, a_t);
+       }
+}
+
+static void sumo_program_tp(struct radeon_device *rdev)
+{
+       int i;
+       enum r600_td td = R600_TD_DFLT;
+
+       for (i = 0; i < SUMO_PM_NUMBER_OF_TC; i++) {
+               WREG32_P(CG_FFCT_0 + (i * 4), UTC_0(sumo_utc[i]), ~UTC_0_MASK);
+               WREG32_P(CG_FFCT_0 + (i * 4), DTC_0(sumo_dtc[i]), ~DTC_0_MASK);
+       }
+
+       if (td == R600_TD_AUTO)
+               WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
+       else
+               WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
+
+       if (td == R600_TD_UP)
+               WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
+
+       if (td == R600_TD_DOWN)
+               WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
+}
+
+static void sumo_program_vc(struct radeon_device *rdev)
+{
+       WREG32(CG_FTV, SUMO_VRC_DFLT);
+}
+
+static void sumo_clear_vc(struct radeon_device *rdev)
+{
+       WREG32(CG_FTV, 0);
+}
+
+static void sumo_program_sstp(struct radeon_device *rdev)
+{
+       u32 p, u;
+       u32 xclk = sumo_get_xclk(rdev);
+
+       r600_calculate_u_and_p(SUMO_SST_DFLT,
+                              xclk, 16, &p, &u);
+
+       WREG32(CG_SSP, SSTU(u) | SST(p));
+}
+
+static void sumo_set_divider_value(struct radeon_device *rdev,
+                                  u32 index, u32 divider)
+{
+       u32 reg_index = index / 4;
+       u32 field_index = index % 4;
+
+       if (field_index == 0)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        SCLK_FSTATE_0_DIV(divider), ~SCLK_FSTATE_0_DIV_MASK);
+       else if (field_index == 1)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        SCLK_FSTATE_1_DIV(divider), ~SCLK_FSTATE_1_DIV_MASK);
+       else if (field_index == 2)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        SCLK_FSTATE_2_DIV(divider), ~SCLK_FSTATE_2_DIV_MASK);
+       else if (field_index == 3)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        SCLK_FSTATE_3_DIV(divider), ~SCLK_FSTATE_3_DIV_MASK);
+}
+
+static void sumo_set_ds_dividers(struct radeon_device *rdev,
+                                u32 index, u32 divider)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (pi->enable_sclk_ds) {
+               u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_6);
+
+               dpm_ctrl &= ~(0x7 << (index * 3));
+               dpm_ctrl |= (divider << (index * 3));
+               WREG32(CG_SCLK_DPM_CTRL_6, dpm_ctrl);
+       }
+}
+
+static void sumo_set_ss_dividers(struct radeon_device *rdev,
+                                u32 index, u32 divider)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (pi->enable_sclk_ds) {
+               u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_11);
+
+               dpm_ctrl &= ~(0x7 << (index * 3));
+               dpm_ctrl |= (divider << (index * 3));
+               WREG32(CG_SCLK_DPM_CTRL_11, dpm_ctrl);
+       }
+}
+
+static void sumo_set_vid(struct radeon_device *rdev, u32 index, u32 vid)
+{
+       u32 voltage_cntl = RREG32(CG_DPM_VOLTAGE_CNTL);
+
+       voltage_cntl &= ~(DPM_STATE0_LEVEL_MASK << (index * 2));
+       voltage_cntl |= (vid << (DPM_STATE0_LEVEL_SHIFT + index * 2));
+       WREG32(CG_DPM_VOLTAGE_CNTL, voltage_cntl);
+}
+
+static void sumo_set_allos_gnb_slow(struct radeon_device *rdev, u32 index, u32 gnb_slow)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 temp = gnb_slow;
+       u32 cg_sclk_dpm_ctrl_3;
+
+       if (pi->driver_nbps_policy_disable)
+               temp = 1;
+
+       cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3);
+       cg_sclk_dpm_ctrl_3 &= ~(GNB_SLOW_FSTATE_0_MASK << index);
+       cg_sclk_dpm_ctrl_3 |= (temp << (GNB_SLOW_FSTATE_0_SHIFT + index));
+
+       WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3);
+}
+
+static void sumo_program_power_level(struct radeon_device *rdev,
+                                    struct sumo_pl *pl, u32 index)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       int ret;
+       struct atom_clock_dividers dividers;
+       u32 ds_en = RREG32(DEEP_SLEEP_CNTL) & ENABLE_DS;
+
+       ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+                                            pl->sclk, false, &dividers);
+       if (ret)
+               return;
+
+       sumo_set_divider_value(rdev, index, dividers.post_div);
+
+       sumo_set_vid(rdev, index, pl->vddc_index);
+
+       if (pl->ss_divider_index == 0 || pl->ds_divider_index == 0) {
+               if (ds_en)
+                       WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS);
+       } else {
+               sumo_set_ss_dividers(rdev, index, pl->ss_divider_index);
+               sumo_set_ds_dividers(rdev, index, pl->ds_divider_index);
+
+               if (!ds_en)
+                       WREG32_P(DEEP_SLEEP_CNTL, ENABLE_DS, ~ENABLE_DS);
+       }
+
+       sumo_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow);
+
+       if (pi->enable_boost)
+               sumo_set_tdp_limit(rdev, index, pl->sclk_dpm_tdp_limit);
+}
+
+static void sumo_power_level_enable(struct radeon_device *rdev, u32 index, bool enable)
+{
+       u32 reg_index = index / 4;
+       u32 field_index = index % 4;
+
+       if (field_index == 0)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        enable ? SCLK_FSTATE_0_VLD : 0, ~SCLK_FSTATE_0_VLD);
+       else if (field_index == 1)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        enable ? SCLK_FSTATE_1_VLD : 0, ~SCLK_FSTATE_1_VLD);
+       else if (field_index == 2)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        enable ? SCLK_FSTATE_2_VLD : 0, ~SCLK_FSTATE_2_VLD);
+       else if (field_index == 3)
+               WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
+                        enable ? SCLK_FSTATE_3_VLD : 0, ~SCLK_FSTATE_3_VLD);
+}
+
+static bool sumo_dpm_enabled(struct radeon_device *rdev)
+{
+       if (RREG32(CG_SCLK_DPM_CTRL_3) & DPM_SCLK_ENABLE)
+               return true;
+       else
+               return false;
+}
+
+static void sumo_start_dpm(struct radeon_device *rdev)
+{
+       WREG32_P(CG_SCLK_DPM_CTRL_3, DPM_SCLK_ENABLE, ~DPM_SCLK_ENABLE);
+}
+
+static void sumo_stop_dpm(struct radeon_device *rdev)
+{
+       WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~DPM_SCLK_ENABLE);
+}
+
+static void sumo_set_forced_mode(struct radeon_device *rdev, bool enable)
+{
+       if (enable)
+               WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE_EN, ~FORCE_SCLK_STATE_EN);
+       else
+               WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_SCLK_STATE_EN);
+}
+
+static void sumo_set_forced_mode_enabled(struct radeon_device *rdev)
+{
+       int i;
+
+       sumo_set_forced_mode(rdev, true);
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if (RREG32(CG_SCLK_STATUS) & SCLK_OVERCLK_DETECT)
+                       break;
+               udelay(1);
+       }
+}
+
+static void sumo_wait_for_level_0(struct radeon_device *rdev)
+{
+       int i;
+
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) == 0)
+                       break;
+               udelay(1);
+       }
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) == 0)
+                       break;
+               udelay(1);
+       }
+}
+
+static void sumo_set_forced_mode_disabled(struct radeon_device *rdev)
+{
+       sumo_set_forced_mode(rdev, false);
+}
+
+static void sumo_enable_power_level_0(struct radeon_device *rdev)
+{
+       sumo_power_level_enable(rdev, 0, true);
+}
+
+static void sumo_patch_boost_state(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+
+       if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) {
+               pi->boost_pl = new_ps->levels[new_ps->num_levels - 1];
+               pi->boost_pl.sclk = pi->sys_info.boost_sclk;
+               pi->boost_pl.vddc_index = pi->sys_info.boost_vid_2bit;
+               pi->boost_pl.sclk_dpm_tdp_limit = pi->sys_info.sclk_dpm_tdp_limit_boost;
+       }
+}
+
+static void sumo_pre_notify_alt_vddnb_change(struct radeon_device *rdev)
+{
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       struct sumo_ps *old_ps = sumo_get_ps(rdev->pm.dpm.current_ps);
+       u32 nbps1_old = 0;
+       u32 nbps1_new = 0;
+
+       if (old_ps != NULL)
+               nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0;
+
+       nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0;
+
+       if (nbps1_old == 1 && nbps1_new == 0)
+               sumo_smu_notify_alt_vddnb_change(rdev, 0, 0);
+}
+
+static void sumo_post_notify_alt_vddnb_change(struct radeon_device *rdev)
+{
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       struct sumo_ps *old_ps = sumo_get_ps(rdev->pm.dpm.current_ps);
+       u32 nbps1_old = 0;
+       u32 nbps1_new = 0;
+
+       if (old_ps != NULL)
+               nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0;
+
+       nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0;
+
+       if (nbps1_old == 0 && nbps1_new == 1)
+               sumo_smu_notify_alt_vddnb_change(rdev, 1, 1);
+}
+
+static void sumo_enable_boost(struct radeon_device *rdev, bool enable)
+{
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+
+       if (enable) {
+               if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
+                       sumo_boost_state_enable(rdev, true);
+       } else
+               sumo_boost_state_enable(rdev, false);
+}
+
+static void sumo_update_current_power_levels(struct radeon_device *rdev)
+{
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       pi->current_ps = *new_ps;
+}
+
+static void sumo_set_forced_level(struct radeon_device *rdev, u32 index)
+{
+       WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE(index), ~FORCE_SCLK_STATE_MASK);
+}
+
+static void sumo_set_forced_level_0(struct radeon_device *rdev)
+{
+       sumo_set_forced_level(rdev, 0);
+}
+
+static void sumo_program_wl(struct radeon_device *rdev)
+{
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4);
+
+       dpm_ctrl4 &= 0xFFFFFF00;
+       dpm_ctrl4 |= (1 << (new_ps->num_levels - 1));
+
+       if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
+               dpm_ctrl4 |= (1 << BOOST_DPM_LEVEL);
+
+       WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4);
+}
+
+static void sumo_program_power_levels_0_to_n(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+       struct sumo_ps *old_ps = sumo_get_ps(rdev->pm.dpm.current_ps);
+       u32 i;
+       u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels;
+
+       for (i = 0; i < new_ps->num_levels; i++) {
+               sumo_program_power_level(rdev, &new_ps->levels[i], i);
+               sumo_power_level_enable(rdev, i, true);
+       }
+
+       for (i = new_ps->num_levels; i < n_current_state_levels; i++)
+               sumo_power_level_enable(rdev, i, false);
+
+       if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
+               sumo_program_power_level(rdev, &pi->boost_pl, BOOST_DPM_LEVEL);
+}
+
+static void sumo_enable_acpi_pm(struct radeon_device *rdev)
+{
+       WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
+}
+
+static void sumo_program_power_level_enter_state(struct radeon_device *rdev)
+{
+       WREG32_P(CG_SCLK_DPM_CTRL_5, SCLK_FSTATE_BOOTUP(0), ~SCLK_FSTATE_BOOTUP_MASK);
+}
+
+static void sumo_program_acpi_power_level(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct atom_clock_dividers dividers;
+       int ret;
+
+        ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+                                             pi->acpi_pl.sclk,
+                                            false, &dividers);
+       if (ret)
+               return;
+
+       WREG32_P(CG_ACPI_CNTL, SCLK_ACPI_DIV(dividers.post_div), ~SCLK_ACPI_DIV_MASK);
+       WREG32_P(CG_ACPI_VOLTAGE_CNTL, 0, ~ACPI_VOLTAGE_EN);
+}
+
+static void sumo_program_bootup_state(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4);
+       u32 i;
+
+       sumo_program_power_level(rdev, &pi->boot_pl, 0);
+
+       dpm_ctrl4 &= 0xFFFFFF00;
+       WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4);
+
+       for (i = 1; i < 8; i++)
+               sumo_power_level_enable(rdev, i, false);
+}
+
+static void sumo_take_smu_control(struct radeon_device *rdev, bool enable)
+{
+       u32 v = RREG32(DOUT_SCRATCH3);
+
+       if (enable)
+               v |= 0x4;
+       else
+               v &= 0xFFFFFFFB;
+
+       WREG32(DOUT_SCRATCH3, v);
+}
+
+static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable)
+{
+       if (enable) {
+               u32 deep_sleep_cntl = RREG32(DEEP_SLEEP_CNTL);
+               u32 deep_sleep_cntl2 = RREG32(DEEP_SLEEP_CNTL2);
+               u32 t = 1;
+
+               deep_sleep_cntl &= ~R_DIS;
+               deep_sleep_cntl &= ~HS_MASK;
+               deep_sleep_cntl |= HS(t > 4095 ? 4095 : t);
+
+               deep_sleep_cntl2 |= LB_UFP_EN;
+               deep_sleep_cntl2 &= INOUT_C_MASK;
+               deep_sleep_cntl2 |= INOUT_C(0xf);
+
+               WREG32(DEEP_SLEEP_CNTL2, deep_sleep_cntl2);
+               WREG32(DEEP_SLEEP_CNTL, deep_sleep_cntl);
+       } else
+               WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS);
+}
+
+static void sumo_program_bootup_at(struct radeon_device *rdev)
+{
+       WREG32_P(CG_AT_0, CG_R(0xffff), ~CG_R_MASK);
+       WREG32_P(CG_AT_0, CG_L(0), ~CG_L_MASK);
+}
+
+static void sumo_reset_am(struct radeon_device *rdev)
+{
+       WREG32_P(SCLK_PWRMGT_CNTL, FIR_RESET, ~FIR_RESET);
+}
+
+static void sumo_start_am(struct radeon_device *rdev)
+{
+       WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_RESET);
+}
+
+static void sumo_program_ttp(struct radeon_device *rdev)
+{
+       u32 xclk = sumo_get_xclk(rdev);
+       u32 p, u;
+       u32 cg_sclk_dpm_ctrl_5 = RREG32(CG_SCLK_DPM_CTRL_5);
+
+       r600_calculate_u_and_p(1000,
+                              xclk, 16, &p, &u);
+
+       cg_sclk_dpm_ctrl_5 &= ~(TT_TP_MASK | TT_TU_MASK);
+       cg_sclk_dpm_ctrl_5 |= TT_TP(p) | TT_TU(u);
+
+       WREG32(CG_SCLK_DPM_CTRL_5, cg_sclk_dpm_ctrl_5);
+}
+
+static void sumo_program_ttt(struct radeon_device *rdev)
+{
+       u32 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3);
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       cg_sclk_dpm_ctrl_3 &= ~(GNB_TT_MASK | GNB_THERMTHRO_MASK);
+       cg_sclk_dpm_ctrl_3 |= GNB_TT(pi->thermal_auto_throttling + 49);
+
+       WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3);
+}
+
+
+static void sumo_enable_voltage_scaling(struct radeon_device *rdev, bool enable)
+{
+       if (enable) {
+               WREG32_P(CG_DPM_VOLTAGE_CNTL, DPM_VOLTAGE_EN, ~DPM_VOLTAGE_EN);
+               WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~CG_VOLTAGE_EN);
+       } else {
+               WREG32_P(CG_CG_VOLTAGE_CNTL, CG_VOLTAGE_EN, ~CG_VOLTAGE_EN);
+               WREG32_P(CG_DPM_VOLTAGE_CNTL, 0, ~DPM_VOLTAGE_EN);
+       }
+}
+
+static void sumo_override_cnb_thermal_events(struct radeon_device *rdev)
+{
+       WREG32_P(CG_SCLK_DPM_CTRL_3, CNB_THERMTHRO_MASK_SCLK,
+                ~CNB_THERMTHRO_MASK_SCLK);
+}
+
+static void sumo_program_dc_hto(struct radeon_device *rdev)
+{
+       u32 cg_sclk_dpm_ctrl_4 = RREG32(CG_SCLK_DPM_CTRL_4);
+       u32 p, u;
+       u32 xclk = sumo_get_xclk(rdev);
+
+       r600_calculate_u_and_p(100000,
+                              xclk, 14, &p, &u);
+
+       cg_sclk_dpm_ctrl_4 &= ~(DC_HDC_MASK | DC_HU_MASK);
+       cg_sclk_dpm_ctrl_4 |= DC_HDC(p) | DC_HU(u);
+
+       WREG32(CG_SCLK_DPM_CTRL_4, cg_sclk_dpm_ctrl_4);
+}
+
+static void sumo_force_nbp_state(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct sumo_ps *new_ps = sumo_get_ps(rdev->pm.dpm.requested_ps);
+
+       if (!pi->driver_nbps_policy_disable) {
+               if (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)
+                       WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_NB_PSTATE_1, ~FORCE_NB_PSTATE_1);
+               else
+                       WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_NB_PSTATE_1);
+       }
+}
+
+static u32 sumo_get_sleep_divider_from_id(u32 id)
+{
+       return 1 << id;
+}
+
+static u32 sumo_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
+                                               u32 sclk,
+                                               u32 min_sclk_in_sr)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i;
+       u32 temp;
+       u32 min = (min_sclk_in_sr > SUMO_MINIMUM_ENGINE_CLOCK) ?
+               min_sclk_in_sr : SUMO_MINIMUM_ENGINE_CLOCK;
+
+       if (sclk < min)
+               return 0;
+
+       if (!pi->enable_sclk_ds)
+               return 0;
+
+       for (i = SUMO_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
+               temp = sclk / sumo_get_sleep_divider_from_id(i);
+
+               if (temp >= min || i == 0)
+                       break;
+       }
+       return i;
+}
+
+static u32 sumo_get_valid_engine_clock(struct radeon_device *rdev,
+                                      u32 lower_limit)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i;
+
+       for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) {
+               if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit)
+                       return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency;
+       }
+
+       return pi->sys_info.sclk_voltage_mapping_table.entries[pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1].sclk_frequency;
+}
+
+static void sumo_patch_thermal_state(struct radeon_device *rdev,
+                                    struct sumo_ps *ps,
+                                    struct sumo_ps *current_ps)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
+       u32 current_vddc;
+       u32 current_sclk;
+       u32 current_index = 0;
+
+       if (current_ps) {
+               current_vddc = current_ps->levels[current_index].vddc_index;
+               current_sclk = current_ps->levels[current_index].sclk;
+       } else {
+               current_vddc = pi->boot_pl.vddc_index;
+               current_sclk = pi->boot_pl.sclk;
+       }
+
+       ps->levels[0].vddc_index = current_vddc;
+
+       if (ps->levels[0].sclk > current_sclk)
+               ps->levels[0].sclk = current_sclk;
+
+       ps->levels[0].ss_divider_index =
+               sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr);
+
+       ps->levels[0].ds_divider_index =
+               sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, SUMO_MINIMUM_ENGINE_CLOCK);
+
+       if (ps->levels[0].ds_divider_index > ps->levels[0].ss_divider_index + 1)
+               ps->levels[0].ds_divider_index = ps->levels[0].ss_divider_index + 1;
+
+       if (ps->levels[0].ss_divider_index == ps->levels[0].ds_divider_index) {
+               if (ps->levels[0].ss_divider_index > 1)
+                       ps->levels[0].ss_divider_index = ps->levels[0].ss_divider_index - 1;
+       }
+
+       if (ps->levels[0].ss_divider_index == 0)
+               ps->levels[0].ds_divider_index = 0;
+
+       if (ps->levels[0].ds_divider_index == 0)
+               ps->levels[0].ss_divider_index = 0;
+}
+
+static void sumo_apply_state_adjust_rules(struct radeon_device *rdev)
+{
+       struct radeon_ps *rps = rdev->pm.dpm.requested_ps;
+       struct sumo_ps *ps = sumo_get_ps(rps);
+       struct sumo_ps *current_ps = sumo_get_ps(rdev->pm.dpm.current_ps);
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 min_voltage = 0; /* ??? */
+       u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */
+       u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
+       u32 i;
+
+       if (rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
+               return sumo_patch_thermal_state(rdev, ps, current_ps);
+
+       if (pi->enable_boost) {
+               if (rps->class & ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE)
+                       ps->flags |= SUMO_POWERSTATE_FLAGS_BOOST_STATE;
+       }
+
+       if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) ||
+           (rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) ||
+           (rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE))
+               ps->flags |= SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE;
+
+       for (i = 0; i < ps->num_levels; i++) {
+               if (ps->levels[i].vddc_index < min_voltage)
+                       ps->levels[i].vddc_index = min_voltage;
+
+               if (ps->levels[i].sclk < min_sclk)
+                       ps->levels[i].sclk =
+                               sumo_get_valid_engine_clock(rdev, min_sclk);
+
+               ps->levels[i].ss_divider_index =
+                       sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr);
+
+               ps->levels[i].ds_divider_index =
+                       sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, SUMO_MINIMUM_ENGINE_CLOCK);
+
+               if (ps->levels[i].ds_divider_index > ps->levels[i].ss_divider_index + 1)
+                       ps->levels[i].ds_divider_index = ps->levels[i].ss_divider_index + 1;
+
+               if (ps->levels[i].ss_divider_index == ps->levels[i].ds_divider_index) {
+                       if (ps->levels[i].ss_divider_index > 1)
+                               ps->levels[i].ss_divider_index = ps->levels[i].ss_divider_index - 1;
+               }
+
+               if (ps->levels[i].ss_divider_index == 0)
+                       ps->levels[i].ds_divider_index = 0;
+
+               if (ps->levels[i].ds_divider_index == 0)
+                       ps->levels[i].ss_divider_index = 0;
+
+               if (ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)
+                       ps->levels[i].allow_gnb_slow = 1;
+               else if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) ||
+                        (rps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC))
+                       ps->levels[i].allow_gnb_slow = 0;
+               else if (i == ps->num_levels - 1)
+                       ps->levels[i].allow_gnb_slow = 0;
+               else
+                       ps->levels[i].allow_gnb_slow = 1;
+       }
+}
+
+static void sumo_cleanup_asic(struct radeon_device *rdev)
+{
+       sumo_take_smu_control(rdev, false);
+}
+
+static int sumo_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(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK);
+       WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK);
+
+       rdev->pm.dpm.thermal.min_temp = low_temp;
+       rdev->pm.dpm.thermal.max_temp = high_temp;
+
+       return 0;
+}
+
+int sumo_dpm_enable(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (sumo_dpm_enabled(rdev))
+               return -EINVAL;
+
+       sumo_enable_clock_power_gating(rdev);
+       sumo_program_bootup_state(rdev);
+       sumo_init_bsp(rdev);
+       sumo_reset_am(rdev);
+       sumo_program_tp(rdev);
+       sumo_program_bootup_at(rdev);
+       sumo_start_am(rdev);
+       if (pi->enable_auto_thermal_throttling) {
+               sumo_program_ttp(rdev);
+               sumo_program_ttt(rdev);
+       }
+       sumo_program_dc_hto(rdev);
+       sumo_program_power_level_enter_state(rdev);
+       sumo_enable_voltage_scaling(rdev, true);
+       sumo_program_sstp(rdev);
+       sumo_program_vc(rdev);
+       sumo_override_cnb_thermal_events(rdev);
+       sumo_start_dpm(rdev);
+       sumo_wait_for_level_0(rdev);
+       if (pi->enable_sclk_ds)
+               sumo_enable_sclk_ds(rdev, true);
+       if (pi->enable_boost)
+               sumo_enable_boost_timer(rdev);
+
+       if (rdev->irq.installed &&
+           r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
+               sumo_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
+               rdev->irq.dpm_thermal = true;
+               radeon_irq_set(rdev);
+       }
+
+       return 0;
+}
+
+void sumo_dpm_disable(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (!sumo_dpm_enabled(rdev))
+               return;
+       sumo_disable_clock_power_gating(rdev);
+       if (pi->enable_sclk_ds)
+               sumo_enable_sclk_ds(rdev, false);
+       sumo_clear_vc(rdev);
+       sumo_wait_for_level_0(rdev);
+       sumo_stop_dpm(rdev);
+       sumo_enable_voltage_scaling(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);
+       }
+}
+
+int sumo_dpm_set_power_state(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       if (pi->enable_dynamic_patch_ps)
+               sumo_apply_state_adjust_rules(rdev);
+       sumo_update_current_power_levels(rdev);
+       if (pi->enable_boost) {
+               sumo_enable_boost(rdev, false);
+               sumo_patch_boost_state(rdev);
+       }
+       if (pi->enable_dpm) {
+               sumo_pre_notify_alt_vddnb_change(rdev);
+               sumo_enable_power_level_0(rdev);
+               sumo_set_forced_level_0(rdev);
+               sumo_set_forced_mode_enabled(rdev);
+               sumo_wait_for_level_0(rdev);
+               sumo_program_power_levels_0_to_n(rdev);
+               sumo_program_wl(rdev);
+               sumo_program_bsp(rdev);
+               sumo_program_at(rdev);
+               sumo_force_nbp_state(rdev);
+               sumo_set_forced_mode_disabled(rdev);
+               sumo_set_forced_mode_enabled(rdev);
+               sumo_set_forced_mode_disabled(rdev);
+               sumo_post_notify_alt_vddnb_change(rdev);
+       }
+       if (pi->enable_boost)
+               sumo_enable_boost(rdev, true);
+
+       return 0;
+}
+
+void sumo_dpm_reset_asic(struct radeon_device *rdev)
+{
+       sumo_program_bootup_state(rdev);
+       sumo_enable_power_level_0(rdev);
+       sumo_set_forced_level_0(rdev);
+       sumo_set_forced_mode_enabled(rdev);
+       sumo_wait_for_level_0(rdev);
+       sumo_set_forced_mode_disabled(rdev);
+       sumo_set_forced_mode_enabled(rdev);
+       sumo_set_forced_mode_disabled(rdev);
+}
+
+void sumo_dpm_setup_asic(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       sumo_initialize_m3_arb(rdev);
+       pi->fw_version = sumo_get_running_fw_version(rdev);
+       DRM_INFO("Found smc ucode version: 0x%08x\n", pi->fw_version);
+       sumo_program_acpi_power_level(rdev);
+       sumo_enable_acpi_pm(rdev);
+       sumo_take_smu_control(rdev, true);
+}
+
+void sumo_dpm_display_configuration_changed(struct radeon_device *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 sumo_patch_boot_state(struct radeon_device *rdev,
+                                 struct sumo_ps *ps)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       ps->num_levels = 1;
+       ps->flags = 0;
+       ps->levels[0] = pi->boot_pl;
+}
+
+static void sumo_parse_pplib_non_clock_info(struct radeon_device *rdev,
+                                           struct radeon_ps *rps,
+                                           struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
+                                           u8 table_rev)
+{
+       struct sumo_ps *ps = sumo_get_ps(rps);
+
+       rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+       rps->class = le16_to_cpu(non_clock_info->usClassification);
+       rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
+
+       if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
+               rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
+               rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
+       } else {
+               rps->vclk = 0;
+               rps->dclk = 0;
+       }
+
+       if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+               rdev->pm.dpm.boot_ps = rps;
+               sumo_patch_boot_state(rdev, ps);
+       }
+       if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
+               rdev->pm.dpm.uvd_ps = rps;
+}
+
+static void sumo_parse_pplib_clock_info(struct radeon_device *rdev,
+                                       struct radeon_ps *rps, int index,
+                                       union pplib_clock_info *clock_info)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct sumo_ps *ps = sumo_get_ps(rps);
+       struct sumo_pl *pl = &ps->levels[index];
+       u32 sclk;
+
+       sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
+       sclk |= clock_info->sumo.ucEngineClockHigh << 16;
+       pl->sclk = sclk;
+       pl->vddc_index = clock_info->sumo.vddcIndex;
+       pl->sclk_dpm_tdp_limit = clock_info->sumo.tdpLimit;
+
+       ps->num_levels = index + 1;
+
+       if (pi->enable_sclk_ds) {
+               pl->ds_divider_index = 5;
+               pl->ss_divider_index = 4;
+       }
+}
+
+static int sumo_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, k, non_clock_array_index, clock_array_index;
+       union pplib_clock_info *clock_info;
+       struct _StateArray *state_array;
+       struct _ClockInfoArray *clock_info_array;
+       struct _NonClockInfoArray *non_clock_info_array;
+       union power_info *power_info;
+       int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+        u16 data_offset;
+       u8 frev, crev;
+       u8 *power_state_offset;
+       struct sumo_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);
+
+       state_array = (struct _StateArray *)
+               (mode_info->atom_context->bios + data_offset +
+                le16_to_cpu(power_info->pplib.usStateArrayOffset));
+       clock_info_array = (struct _ClockInfoArray *)
+               (mode_info->atom_context->bios + data_offset +
+                le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
+       non_clock_info_array = (struct _NonClockInfoArray *)
+               (mode_info->atom_context->bios + data_offset +
+                le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
+
+       rdev->pm.dpm.ps = kzalloc(sizeof(struct radeon_ps) *
+                                 state_array->ucNumEntries, GFP_KERNEL);
+       if (!rdev->pm.dpm.ps)
+               return -ENOMEM;
+       power_state_offset = (u8 *)state_array->states;
+       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 < state_array->ucNumEntries; i++) {
+               power_state = (union pplib_power_state *)power_state_offset;
+               non_clock_array_index = power_state->v2.nonClockInfoIndex;
+               non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+                       &non_clock_info_array->nonClockInfo[non_clock_array_index];
+               if (!rdev->pm.power_state[i].clock_info)
+                       return -EINVAL;
+               ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL);
+               if (ps == NULL) {
+                       kfree(rdev->pm.dpm.ps);
+                       return -ENOMEM;
+               }
+               rdev->pm.dpm.ps[i].ps_priv = ps;
+               k = 0;
+               for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
+                       clock_array_index = power_state->v2.clockInfoIndex[j];
+                       if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
+                               break;
+                       clock_info = (union pplib_clock_info *)
+                               &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
+                       sumo_parse_pplib_clock_info(rdev,
+                                                   &rdev->pm.dpm.ps[i], k,
+                                                   clock_info);
+                       k++;
+               }
+               sumo_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
+                                               non_clock_info,
+                                               non_clock_info_array->ucEntrySize);
+               power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
+       }
+       rdev->pm.dpm.num_ps = state_array->ucNumEntries;
+       return 0;
+}
+
+static u32 sumo_convert_vid2_to_vid7(struct radeon_device *rdev, u32 vid_2bit)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i;
+
+       for (i = 0; i < pi->sys_info.vid_mapping_table.num_entries; i++) {
+               if (pi->sys_info.vid_mapping_table.entries[i].vid_2bit == vid_2bit)
+                       return pi->sys_info.vid_mapping_table.entries[i].vid_7bit;
+       }
+
+       return pi->sys_info.vid_mapping_table.entries[pi->sys_info.vid_mapping_table.num_entries - 1].vid_7bit;
+}
+
+static u16 sumo_convert_voltage_index_to_value(struct radeon_device *rdev,
+                                              u32 vid_2bit)
+{
+       u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, vid_2bit);
+
+       if (vid_7bit > 0x7C)
+               return 0;
+
+       return (15500 - vid_7bit * 125 + 5) / 10;
+}
+
+static void sumo_construct_display_voltage_mapping_table(struct radeon_device *rdev,
+                                                        ATOM_CLK_VOLT_CAPABILITY *table)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i;
+
+       for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
+               if (table[i].ulMaximumSupportedCLK == 0)
+                       break;
+
+               pi->sys_info.disp_clk_voltage_mapping_table.display_clock_frequency[i] =
+                       table[i].ulMaximumSupportedCLK;
+       }
+
+       pi->sys_info.disp_clk_voltage_mapping_table.num_max_voltage_levels = i;
+
+       if (pi->sys_info.disp_clk_voltage_mapping_table.num_max_voltage_levels == 0) {
+               pi->sys_info.disp_clk_voltage_mapping_table.display_clock_frequency[0] = 80000;
+               pi->sys_info.disp_clk_voltage_mapping_table.num_max_voltage_levels = 1;
+       }
+}
+
+static void sumo_construct_sclk_voltage_mapping_table(struct radeon_device *rdev,
+                                                     ATOM_AVAILABLE_SCLK_LIST *table)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i;
+       u32 n = 0;
+       u32 prev_sclk = 0;
+
+       for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
+               if (table[i].ulSupportedSCLK > prev_sclk) {
+                       pi->sys_info.sclk_voltage_mapping_table.entries[n].sclk_frequency =
+                               table[i].ulSupportedSCLK;
+                       pi->sys_info.sclk_voltage_mapping_table.entries[n].vid_2bit =
+                               table[i].usVoltageIndex;
+                       prev_sclk = table[i].ulSupportedSCLK;
+                       n++;
+               }
+       }
+
+       pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries = n;
+}
+
+static void sumo_construct_vid_mapping_table(struct radeon_device *rdev,
+                                            ATOM_AVAILABLE_SCLK_LIST *table)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i, j;
+
+       for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
+               if (table[i].ulSupportedSCLK != 0) {
+                       pi->sys_info.vid_mapping_table.entries[table[i].usVoltageIndex].vid_7bit =
+                               table[i].usVoltageID;
+                       pi->sys_info.vid_mapping_table.entries[table[i].usVoltageIndex].vid_2bit =
+                               table[i].usVoltageIndex;
+               }
+       }
+
+       for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
+               if (pi->sys_info.vid_mapping_table.entries[i].vid_7bit == 0) {
+                       for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
+                               if (pi->sys_info.vid_mapping_table.entries[j].vid_7bit != 0) {
+                                       pi->sys_info.vid_mapping_table.entries[i] =
+                                               pi->sys_info.vid_mapping_table.entries[j];
+                                       pi->sys_info.vid_mapping_table.entries[j].vid_7bit = 0;
+                                       break;
+                               }
+                       }
+
+                       if (j == SUMO_MAX_NUMBER_VOLTAGES)
+                               break;
+               }
+       }
+
+       pi->sys_info.vid_mapping_table.num_entries = i;
+}
+
+union igp_info {
+       struct _ATOM_INTEGRATED_SYSTEM_INFO info;
+       struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
+       struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
+       struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
+};
+
+static int sumo_parse_sys_info_table(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       struct radeon_mode_info *mode_info = &rdev->mode_info;
+       int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
+       union igp_info *igp_info;
+       u8 frev, crev;
+       u16 data_offset;
+       int i;
+
+       if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+                                  &frev, &crev, &data_offset)) {
+               igp_info = (union igp_info *)(mode_info->atom_context->bios +
+                                             data_offset);
+
+               if (crev != 6) {
+                       DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
+                       return -EINVAL;
+               }
+               pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_6.ulBootUpEngineClock);
+               pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_6.ulMinEngineClock);
+               pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_6.ulBootUpUMAClock);
+               pi->sys_info.bootup_nb_voltage_index =
+                       le16_to_cpu(igp_info->info_6.usBootUpNBVoltage);
+               if (igp_info->info_6.ucHtcTmpLmt == 0)
+                       pi->sys_info.htc_tmp_lmt = 203;
+               else
+                       pi->sys_info.htc_tmp_lmt = igp_info->info_6.ucHtcTmpLmt;
+               if (igp_info->info_6.ucHtcHystLmt == 0)
+                       pi->sys_info.htc_hyst_lmt = 5;
+               else
+                       pi->sys_info.htc_hyst_lmt = igp_info->info_6.ucHtcHystLmt;
+               if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
+                       DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
+               }
+               for (i = 0; i < NUMBER_OF_M3ARB_PARAM_SETS; i++) {
+                       pi->sys_info.csr_m3_arb_cntl_default[i] =
+                               le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_DEFAULT[i]);
+                       pi->sys_info.csr_m3_arb_cntl_uvd[i] =
+                               le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_UVD[i]);
+                       pi->sys_info.csr_m3_arb_cntl_fs3d[i] =
+                               le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_FS3D[i]);
+               }
+               pi->sys_info.sclk_dpm_boost_margin =
+                       le32_to_cpu(igp_info->info_6.SclkDpmBoostMargin);
+               pi->sys_info.sclk_dpm_throttle_margin =
+                       le32_to_cpu(igp_info->info_6.SclkDpmThrottleMargin);
+               pi->sys_info.sclk_dpm_tdp_limit_pg =
+                       le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitPG);
+               pi->sys_info.gnb_tdp_limit = le16_to_cpu(igp_info->info_6.GnbTdpLimit);
+               pi->sys_info.sclk_dpm_tdp_limit_boost =
+                       le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitBoost);
+               pi->sys_info.boost_sclk = le32_to_cpu(igp_info->info_6.ulBoostEngineCLock);
+               pi->sys_info.boost_vid_2bit = igp_info->info_6.ulBoostVid_2bit;
+               if (igp_info->info_6.EnableBoost)
+                       pi->sys_info.enable_boost = true;
+               else
+                       pi->sys_info.enable_boost = false;
+               sumo_construct_display_voltage_mapping_table(rdev,
+                                                            igp_info->info_6.sDISPCLK_Voltage);
+               sumo_construct_sclk_voltage_mapping_table(rdev,
+                                                         igp_info->info_6.sAvail_SCLK);
+               sumo_construct_vid_mapping_table(rdev, igp_info->info_6.sAvail_SCLK);
+
+       }
+       return 0;
+}
+
+static void sumo_construct_boot_and_acpi_state(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
+       pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
+       pi->boot_pl.ds_divider_index = 0;
+       pi->boot_pl.ss_divider_index = 0;
+       pi->boot_pl.allow_gnb_slow = 1;
+       pi->acpi_pl = pi->boot_pl;
+       pi->current_ps.num_levels = 1;
+       pi->current_ps.levels[0] = pi->boot_pl;
+}
+
+int sumo_dpm_init(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi;
+       u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT;
+       int ret;
+
+       pi = kzalloc(sizeof(struct sumo_power_info), GFP_KERNEL);
+       if (pi == NULL)
+               return -ENOMEM;
+       rdev->pm.dpm.priv = pi;
+
+       pi->driver_nbps_policy_disable = false;
+       if ((rdev->family == CHIP_PALM) && (hw_rev < 3))
+               pi->disable_gfx_power_gating_in_uvd = true;
+       else
+               pi->disable_gfx_power_gating_in_uvd = false;
+       pi->enable_alt_vddnb = true;
+       pi->enable_sclk_ds = true;
+       pi->enable_dynamic_m3_arbiter = false;
+       pi->enable_dynamic_patch_ps = true;
+       pi->enable_gfx_power_gating = true;
+       pi->enable_gfx_clock_gating = true;
+       pi->enable_mg_clock_gating = true;
+       pi->enable_auto_thermal_throttling = true;
+
+       ret = sumo_parse_sys_info_table(rdev);
+       if (ret)
+               return ret;
+
+       sumo_construct_boot_and_acpi_state(rdev);
+
+       ret = sumo_parse_power_table(rdev);
+       if (ret)
+               return ret;
+
+       pi->pasi = CYPRESS_HASI_DFLT;
+       pi->asi = RV770_ASI_DFLT;
+       pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt;
+       pi->enable_boost = pi->sys_info.enable_boost;
+       pi->enable_dpm = true;
+
+       return 0;
+}
+
+void sumo_dpm_print_power_state(struct radeon_device *rdev,
+                               struct radeon_ps *rps)
+{
+       int i;
+       struct sumo_ps *ps = sumo_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);
+       for (i = 0; i < ps->num_levels; i++) {
+               struct sumo_pl *pl = &ps->levels[i];
+               printk("\t\tpower level %d    sclk: %u vddc: %u\n",
+                      i, pl->sclk,
+                      sumo_convert_voltage_index_to_value(rdev, pl->vddc_index));
+       }
+       r600_dpm_print_ps_status(rdev, rps);
+}
+
+void sumo_dpm_fini(struct radeon_device *rdev)
+{
+       int i;
+
+       sumo_cleanup_asic(rdev); /* ??? */
+
+       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 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low)
+{
+       struct sumo_ps *requested_state = sumo_get_ps(rdev->pm.dpm.requested_ps);
+
+       if (low)
+               return requested_state->levels[0].sclk;
+       else
+               return requested_state->levels[requested_state->num_levels - 1].sclk;
+}
+
+u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+       return pi->sys_info.bootup_uma_clk;
+}
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.h b/drivers/gpu/drm/radeon/sumo_dpm.h
new file mode 100644 (file)
index 0000000..561bee1
--- /dev/null
@@ -0,0 +1,199 @@
+/*
+ * Copyright 2012 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 __SUMO_DPM_H__
+#define __SUMO_DPM_H__
+
+#define SUMO_MAX_HARDWARE_POWERLEVELS 5
+#define SUMO_PM_NUMBER_OF_TC 15
+
+struct sumo_pl {
+       u32 sclk;
+       u32 vddc_index;
+       u32 ds_divider_index;
+       u32 ss_divider_index;
+       u32 allow_gnb_slow;
+       u32 sclk_dpm_tdp_limit;
+};
+
+/* used for the flags field */
+#define SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE (1 << 0)
+#define SUMO_POWERSTATE_FLAGS_BOOST_STATE       (1 << 1)
+
+struct sumo_ps {
+       struct sumo_pl levels[SUMO_MAX_HARDWARE_POWERLEVELS];
+       u32 num_levels;
+       /* flags */
+       u32 flags;
+};
+
+#define NUMBER_OF_M3ARB_PARAM_SETS 10
+#define SUMO_MAX_NUMBER_VOLTAGES    4
+
+struct sumo_disp_clock_voltage_mapping_table {
+       u32 num_max_voltage_levels;
+       u32 display_clock_frequency[SUMO_MAX_NUMBER_VOLTAGES];
+};
+
+struct sumo_vid_mapping_entry {
+       u16 vid_2bit;
+       u16 vid_7bit;
+};
+
+struct sumo_vid_mapping_table {
+       u32 num_entries;
+       struct sumo_vid_mapping_entry entries[SUMO_MAX_NUMBER_VOLTAGES];
+};
+
+struct sumo_sclk_voltage_mapping_entry {
+       u32 sclk_frequency;
+       u16 vid_2bit;
+       u16 rsv;
+};
+
+struct sumo_sclk_voltage_mapping_table {
+       u32 num_max_dpm_entries;
+       struct sumo_sclk_voltage_mapping_entry entries[SUMO_MAX_HARDWARE_POWERLEVELS];
+};
+
+struct sumo_sys_info {
+       u32 bootup_sclk;
+       u32 min_sclk;
+       u32 bootup_uma_clk;
+       u16 bootup_nb_voltage_index;
+       u8 htc_tmp_lmt;
+       u8 htc_hyst_lmt;
+       struct sumo_sclk_voltage_mapping_table sclk_voltage_mapping_table;
+       struct sumo_disp_clock_voltage_mapping_table disp_clk_voltage_mapping_table;
+       struct sumo_vid_mapping_table vid_mapping_table;
+       u32 csr_m3_arb_cntl_default[NUMBER_OF_M3ARB_PARAM_SETS];
+       u32 csr_m3_arb_cntl_uvd[NUMBER_OF_M3ARB_PARAM_SETS];
+       u32 csr_m3_arb_cntl_fs3d[NUMBER_OF_M3ARB_PARAM_SETS];
+       u32 sclk_dpm_boost_margin;
+       u32 sclk_dpm_throttle_margin;
+       u32 sclk_dpm_tdp_limit_pg;
+       u32 gnb_tdp_limit;
+       u32 sclk_dpm_tdp_limit_boost;
+       u32 boost_sclk;
+       u32 boost_vid_2bit;
+       bool enable_boost;
+};
+
+struct sumo_power_info {
+       u32 asi;
+       u32 pasi;
+       u32 bsp;
+       u32 bsu;
+       u32 pbsp;
+       u32 pbsu;
+       u32 dsp;
+       u32 psp;
+       u32 thermal_auto_throttling;
+       u32 uvd_m3_arbiter;
+       u32 fw_version;
+       struct sumo_sys_info sys_info;
+       struct sumo_pl acpi_pl;
+       struct sumo_pl boot_pl;
+       struct sumo_pl boost_pl;
+       struct sumo_ps current_ps;
+       bool disable_gfx_power_gating_in_uvd;
+       bool driver_nbps_policy_disable;
+       bool enable_alt_vddnb;
+       bool enable_dynamic_m3_arbiter;
+       bool enable_gfx_clock_gating;
+       bool enable_gfx_power_gating;
+       bool enable_mg_clock_gating;
+       bool enable_sclk_ds;
+       bool enable_auto_thermal_throttling;
+       bool enable_dynamic_patch_ps;
+       bool enable_dpm;
+       bool enable_boost;
+};
+
+#define SUMO_UTC_DFLT_00                     0x48
+#define SUMO_UTC_DFLT_01                     0x44
+#define SUMO_UTC_DFLT_02                     0x44
+#define SUMO_UTC_DFLT_03                     0x44
+#define SUMO_UTC_DFLT_04                     0x44
+#define SUMO_UTC_DFLT_05                     0x44
+#define SUMO_UTC_DFLT_06                     0x44
+#define SUMO_UTC_DFLT_07                     0x44
+#define SUMO_UTC_DFLT_08                     0x44
+#define SUMO_UTC_DFLT_09                     0x44
+#define SUMO_UTC_DFLT_10                     0x44
+#define SUMO_UTC_DFLT_11                     0x44
+#define SUMO_UTC_DFLT_12                     0x44
+#define SUMO_UTC_DFLT_13                     0x44
+#define SUMO_UTC_DFLT_14                     0x44
+
+#define SUMO_DTC_DFLT_00                     0x48
+#define SUMO_DTC_DFLT_01                     0x44
+#define SUMO_DTC_DFLT_02                     0x44
+#define SUMO_DTC_DFLT_03                     0x44
+#define SUMO_DTC_DFLT_04                     0x44
+#define SUMO_DTC_DFLT_05                     0x44
+#define SUMO_DTC_DFLT_06                     0x44
+#define SUMO_DTC_DFLT_07                     0x44
+#define SUMO_DTC_DFLT_08                     0x44
+#define SUMO_DTC_DFLT_09                     0x44
+#define SUMO_DTC_DFLT_10                     0x44
+#define SUMO_DTC_DFLT_11                     0x44
+#define SUMO_DTC_DFLT_12                     0x44
+#define SUMO_DTC_DFLT_13                     0x44
+#define SUMO_DTC_DFLT_14                     0x44
+
+#define SUMO_AH_DFLT               5
+
+#define SUMO_R_DFLT0               70
+#define SUMO_R_DFLT1               70
+#define SUMO_R_DFLT2               70
+#define SUMO_R_DFLT3               70
+#define SUMO_R_DFLT4               100
+
+#define SUMO_L_DFLT0               0
+#define SUMO_L_DFLT1               20
+#define SUMO_L_DFLT2               20
+#define SUMO_L_DFLT3               20
+#define SUMO_L_DFLT4               20
+#define SUMO_VRC_DFLT              0x30033
+#define SUMO_MGCGTTLOCAL0_DFLT     0
+#define SUMO_MGCGTTLOCAL1_DFLT     0
+#define SUMO_GICST_DFLT            19
+#define SUMO_SST_DFLT              8
+#define SUMO_VOLTAGEDROPT_DFLT     1
+#define SUMO_GFXPOWERGATINGT_DFLT  100
+
+/* sumo_dpm.c */
+u32 sumo_get_xclk(struct radeon_device *rdev);
+
+
+/* sumo_smc.c */
+void sumo_initialize_m3_arb(struct radeon_device *rdev);
+void sumo_smu_pg_init(struct radeon_device *rdev);
+void sumo_set_tdp_limit(struct radeon_device *rdev, u32 index, u32 tdp_limit);
+void sumo_smu_notify_alt_vddnb_change(struct radeon_device *rdev,
+                                     bool powersaving, bool force_nbps1);
+void sumo_boost_state_enable(struct radeon_device *rdev, bool enable);
+void sumo_enable_boost_timer(struct radeon_device *rdev);
+u32 sumo_get_running_fw_version(struct radeon_device *rdev);
+
+#endif
diff --git a/drivers/gpu/drm/radeon/sumo_smc.c b/drivers/gpu/drm/radeon/sumo_smc.c
new file mode 100644 (file)
index 0000000..7abbca6
--- /dev/null
@@ -0,0 +1,224 @@
+/*
+ * Copyright 2012 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.
+ *
+ */
+
+#include <linux/firmware.h>
+#include "drmP.h"
+#include "radeon.h"
+#include "sumod.h"
+#include "sumo_dpm.h"
+#include "ppsmc.h"
+#include "radeon_ucode.h"
+
+#define SUMO_SMU_SERVICE_ROUTINE_PG_INIT        1
+#define SUMO_SMU_SERVICE_ROUTINE_ALTVDDNB_NOTIFY  27
+#define SUMO_SMU_SERVICE_ROUTINE_GFX_SRV_ID_20  20
+
+struct sumo_ps *sumo_get_ps(struct radeon_ps *rps);
+struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev);
+
+static void sumo_send_msg_to_smu(struct radeon_device *rdev, u32 id)
+{
+       u32 gfx_int_req;
+       int i;
+
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if (RREG32(GFX_INT_STATUS) & INT_DONE)
+                       break;
+               udelay(1);
+       }
+
+       gfx_int_req = SERV_INDEX(id) | INT_REQ;
+       WREG32(GFX_INT_REQ, gfx_int_req);
+
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if (RREG32(GFX_INT_REQ) & INT_REQ)
+                       break;
+               udelay(1);
+       }
+
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if (RREG32(GFX_INT_STATUS) & INT_ACK)
+                       break;
+               udelay(1);
+       }
+
+       for (i = 0; i < rdev->usec_timeout; i++) {
+               if (RREG32(GFX_INT_STATUS) & INT_DONE)
+                       break;
+               udelay(1);
+       }
+
+       gfx_int_req &= ~INT_REQ;
+       WREG32(GFX_INT_REQ, gfx_int_req);
+}
+
+void sumo_initialize_m3_arb(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 i;
+
+       if (!pi->enable_dynamic_m3_arbiter)
+               return;
+
+       for (i = 0; i < NUMBER_OF_M3ARB_PARAM_SETS; i++)
+               WREG32_RCU(MCU_M3ARB_PARAMS + (i * 4),
+                          pi->sys_info.csr_m3_arb_cntl_default[i]);
+
+       for (; i < NUMBER_OF_M3ARB_PARAM_SETS * 2; i++)
+               WREG32_RCU(MCU_M3ARB_PARAMS + (i * 4),
+                          pi->sys_info.csr_m3_arb_cntl_uvd[i % NUMBER_OF_M3ARB_PARAM_SETS]);
+
+       for (; i < NUMBER_OF_M3ARB_PARAM_SETS * 3; i++)
+               WREG32_RCU(MCU_M3ARB_PARAMS + (i * 4),
+                          pi->sys_info.csr_m3_arb_cntl_fs3d[i % NUMBER_OF_M3ARB_PARAM_SETS]);
+}
+
+static bool sumo_is_alt_vddnb_supported(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       bool return_code = false;
+
+       if (!pi->enable_alt_vddnb)
+               return return_code;
+
+       if ((rdev->family == CHIP_SUMO) || (rdev->family == CHIP_SUMO2)) {
+               if (pi->fw_version >= 0x00010C00)
+                       return_code = true;
+       }
+
+       return return_code;
+}
+
+void sumo_smu_notify_alt_vddnb_change(struct radeon_device *rdev,
+                                     bool powersaving, bool force_nbps1)
+{
+       u32 param = 0;
+
+       if (!sumo_is_alt_vddnb_supported(rdev))
+               return;
+
+       if (powersaving)
+               param |= 1;
+
+       if (force_nbps1)
+               param |= 2;
+
+       WREG32_RCU(RCU_ALTVDDNB_NOTIFY, param);
+
+       sumo_send_msg_to_smu(rdev, SUMO_SMU_SERVICE_ROUTINE_ALTVDDNB_NOTIFY);
+}
+
+void sumo_smu_pg_init(struct radeon_device *rdev)
+{
+       sumo_send_msg_to_smu(rdev, SUMO_SMU_SERVICE_ROUTINE_PG_INIT);
+}
+
+static u32 sumo_power_of_4(u32 unit)
+{
+       u32 ret = 1;
+       u32 i;
+
+       for (i = 0; i < unit; i++)
+               ret *= 4;
+
+       return ret;
+}
+
+void sumo_enable_boost_timer(struct radeon_device *rdev)
+{
+       struct sumo_power_info *pi = sumo_get_pi(rdev);
+       u32 period, unit, timer_value;
+       u32 xclk = sumo_get_xclk(rdev);
+
+       unit = (RREG32_RCU(RCU_LCLK_SCALING_CNTL) & LCLK_SCALING_TIMER_PRESCALER_MASK)
+               >> LCLK_SCALING_TIMER_PRESCALER_SHIFT;
+
+       period = 100 * (xclk / 100 / sumo_power_of_4(unit));
+
+       timer_value = (period << 16) | (unit << 4);
+
+       WREG32_RCU(RCU_GNB_PWR_REP_TIMER_CNTL, timer_value);
+       WREG32_RCU(RCU_BOOST_MARGIN, pi->sys_info.sclk_dpm_boost_margin);
+       WREG32_RCU(RCU_THROTTLE_MARGIN, pi->sys_info.sclk_dpm_throttle_margin);
+       WREG32_RCU(GNB_TDP_LIMIT, pi->sys_info.gnb_tdp_limit);
+       WREG32_RCU(RCU_SclkDpmTdpLimitPG, pi->sys_info.sclk_dpm_tdp_limit_pg);
+
+       sumo_send_msg_to_smu(rdev, SUMO_SMU_SERVICE_ROUTINE_GFX_SRV_ID_20);
+}
+
+void sumo_set_tdp_limit(struct radeon_device *rdev, u32 index, u32 tdp_limit)
+{
+       u32 regoffset = 0;
+       u32 shift = 0;
+       u32 mask = 0xFFF;
+       u32 sclk_dpm_tdp_limit;
+
+       switch (index) {
+       case 0:
+               regoffset = RCU_SclkDpmTdpLimit01;
+               shift = 16;
+               break;
+       case 1:
+               regoffset = RCU_SclkDpmTdpLimit01;
+               shift = 0;
+               break;
+       case 2:
+               regoffset = RCU_SclkDpmTdpLimit23;
+               shift = 16;
+               break;
+       case 3:
+               regoffset = RCU_SclkDpmTdpLimit23;
+               shift = 0;
+               break;
+       case 4:
+               regoffset = RCU_SclkDpmTdpLimit47;
+               shift = 16;
+               break;
+       case 7:
+               regoffset = RCU_SclkDpmTdpLimit47;
+               shift = 0;
+               break;
+       default:
+               break;
+       }
+
+       sclk_dpm_tdp_limit = RREG32_RCU(regoffset);
+       sclk_dpm_tdp_limit &= ~(mask << shift);
+       sclk_dpm_tdp_limit |= (tdp_limit << shift);
+       WREG32_RCU(regoffset, sclk_dpm_tdp_limit);
+}
+
+void sumo_boost_state_enable(struct radeon_device *rdev, bool enable)
+{
+       u32 boost_disable = RREG32_RCU(RCU_GPU_BOOST_DISABLE);
+
+       boost_disable &= 0xFFFFFFFE;
+       boost_disable |= (enable ? 0 : 1);
+       WREG32_RCU(RCU_GPU_BOOST_DISABLE, boost_disable);
+}
+
+u32 sumo_get_running_fw_version(struct radeon_device *rdev)
+{
+       return RREG32_RCU(RCU_FW_VERSION);
+}
+
diff --git a/drivers/gpu/drm/radeon/sumod.h b/drivers/gpu/drm/radeon/sumod.h
new file mode 100644 (file)
index 0000000..a5deba6
--- /dev/null
@@ -0,0 +1,362 @@
+/*
+ * Copyright 2012 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 _SUMOD_H_
+#define _SUMOD_H_
+
+/* pm registers */
+
+/* rcu */
+#define RCU_FW_VERSION                                  0x30c
+
+#define RCU_PWR_GATING_SEQ0                             0x408
+#define RCU_PWR_GATING_SEQ1                             0x40c
+#define RCU_PWR_GATING_CNTL                             0x410
+#       define PWR_GATING_EN                            (1 << 0)
+#       define RSVD_MASK                                (0x3 << 1)
+#       define PCV(x)                                   ((x) << 3)
+#       define PCV_MASK                                 (0x1f << 3)
+#       define PCV_SHIFT                                3
+#       define PCP(x)                                   ((x) << 8)
+#       define PCP_MASK                                 (0xf << 8)
+#       define PCP_SHIFT                                8
+#       define RPW(x)                                   ((x) << 16)
+#       define RPW_MASK                                 (0xf << 16)
+#       define RPW_SHIFT                                16
+#       define ID(x)                                    ((x) << 24)
+#       define ID_MASK                                  (0xf << 24)
+#       define ID_SHIFT                                 24
+#       define PGS(x)                                   ((x) << 28)
+#       define PGS_MASK                                 (0xf << 28)
+#       define PGS_SHIFT                                28
+
+#define RCU_ALTVDDNB_NOTIFY                             0x430
+#define RCU_LCLK_SCALING_CNTL                           0x434
+#       define LCLK_SCALING_EN                          (1 << 0)
+#       define LCLK_SCALING_TYPE                        (1 << 1)
+#       define LCLK_SCALING_TIMER_PRESCALER(x)          ((x) << 4)
+#       define LCLK_SCALING_TIMER_PRESCALER_MASK        (0xf << 4)
+#       define LCLK_SCALING_TIMER_PRESCALER_SHIFT       4
+#       define LCLK_SCALING_TIMER_PERIOD(x)             ((x) << 16)
+#       define LCLK_SCALING_TIMER_PERIOD_MASK           (0xf << 16)
+#       define LCLK_SCALING_TIMER_PERIOD_SHIFT          16
+
+#define RCU_PWR_GATING_CNTL_2                           0x4a0
+#       define MPPU(x)                                  ((x) << 0)
+#       define MPPU_MASK                                (0xffff << 0)
+#       define MPPU_SHIFT                               0
+#       define MPPD(x)                                  ((x) << 16)
+#       define MPPD_MASK                                (0xffff << 16)
+#       define MPPD_SHIFT                               16
+#define RCU_PWR_GATING_CNTL_3                           0x4a4
+#       define DPPU(x)                                  ((x) << 0)
+#       define DPPU_MASK                                (0xffff << 0)
+#       define DPPU_SHIFT                               0
+#       define DPPD(x)                                  ((x) << 16)
+#       define DPPD_MASK                                (0xffff << 16)
+#       define DPPD_SHIFT                               16
+#define RCU_PWR_GATING_CNTL_4                           0x4a8
+#       define RT(x)                                    ((x) << 0)
+#       define RT_MASK                                  (0xffff << 0)
+#       define RT_SHIFT                                 0
+#       define IT(x)                                    ((x) << 16)
+#       define IT_MASK                                  (0xffff << 16)
+#       define IT_SHIFT                                 16
+
+/* yes these two have the same address */
+#define RCU_PWR_GATING_CNTL_5                           0x504
+#define RCU_GPU_BOOST_DISABLE                           0x508
+
+#define MCU_M3ARB_INDEX                                 0x504
+#define MCU_M3ARB_PARAMS                                0x508
+
+#define RCU_GNB_PWR_REP_TIMER_CNTL                      0x50C
+
+#define RCU_SclkDpmTdpLimit01                           0x514
+#define RCU_SclkDpmTdpLimit23                           0x518
+#define RCU_SclkDpmTdpLimit47                           0x51C
+#define RCU_SclkDpmTdpLimitPG                           0x520
+
+#define GNB_TDP_LIMIT                                   0x540
+#define RCU_BOOST_MARGIN                                0x544
+#define RCU_THROTTLE_MARGIN                             0x548
+
+#define SMU_PCIE_PG_ARGS                                0x58C
+#define SMU_PCIE_PG_ARGS_2                              0x598
+#define SMU_PCIE_PG_ARGS_3                              0x59C
+
+/* mmio */
+#define RCU_STATUS                                      0x11c
+#       define GMC_PWR_GATER_BUSY                       (1 << 8)
+#       define GFX_PWR_GATER_BUSY                       (1 << 9)
+#       define UVD_PWR_GATER_BUSY                       (1 << 10)
+#       define PCIE_PWR_GATER_BUSY                      (1 << 11)
+#       define GMC_PWR_GATER_STATE                      (1 << 12)
+#       define GFX_PWR_GATER_STATE                      (1 << 13)
+#       define UVD_PWR_GATER_STATE                      (1 << 14)
+#       define PCIE_PWR_GATER_STATE                     (1 << 15)
+#       define GFX1_PWR_GATER_BUSY                      (1 << 16)
+#       define GFX2_PWR_GATER_BUSY                      (1 << 17)
+#       define GFX1_PWR_GATER_STATE                     (1 << 18)
+#       define GFX2_PWR_GATER_STATE                     (1 << 19)
+
+#define GFX_INT_REQ                                     0x120
+#       define INT_REQ                                  (1 << 0)
+#       define SERV_INDEX(x)                            ((x) << 1)
+#       define SERV_INDEX_MASK                          (0xff << 1)
+#       define SERV_INDEX_SHIFT                         1
+#define GFX_INT_STATUS                                  0x124
+#       define INT_ACK                                  (1 << 0)
+#       define INT_DONE                                 (1 << 1)
+
+#define CG_SCLK_CNTL                                    0x600
+#       define SCLK_DIVIDER(x)                          ((x) << 0)
+#       define SCLK_DIVIDER_MASK                        (0x7f << 0)
+#       define SCLK_DIVIDER_SHIFT                       0
+#define CG_SCLK_STATUS                                  0x604
+#       define SCLK_OVERCLK_DETECT                      (1 << 2)
+
+#define GENERAL_PWRMGT                                  0x63c
+#       define STATIC_PM_EN                             (1 << 1)
+
+#define SCLK_PWRMGT_CNTL                                0x644
+#       define SCLK_PWRMGT_OFF                          (1 << 0)
+#       define SCLK_LOW_D1                              (1 << 1)
+#       define FIR_RESET                                (1 << 4)
+#       define FIR_FORCE_TREND_SEL                      (1 << 5)
+#       define FIR_TREND_MODE                           (1 << 6)
+#       define DYN_GFX_CLK_OFF_EN                       (1 << 7)
+#       define GFX_CLK_FORCE_ON                         (1 << 8)
+#       define GFX_CLK_REQUEST_OFF                      (1 << 9)
+#       define GFX_CLK_FORCE_OFF                        (1 << 10)
+#       define GFX_CLK_OFF_ACPI_D1                      (1 << 11)
+#       define GFX_CLK_OFF_ACPI_D2                      (1 << 12)
+#       define GFX_CLK_OFF_ACPI_D3                      (1 << 13)
+#       define GFX_VOLTAGE_CHANGE_EN                    (1 << 16)
+#       define GFX_VOLTAGE_CHANGE_MODE                  (1 << 17)
+
+#define TARGET_AND_CURRENT_PROFILE_INDEX                0x66c
+#       define TARG_SCLK_INDEX(x)                       ((x) << 6)
+#       define TARG_SCLK_INDEX_MASK                     (0x7 << 6)
+#       define TARG_SCLK_INDEX_SHIFT                    6
+#       define CURR_SCLK_INDEX(x)                       ((x) << 9)
+#       define CURR_SCLK_INDEX_MASK                     (0x7 << 9)
+#       define CURR_SCLK_INDEX_SHIFT                    9
+#       define TARG_INDEX(x)                            ((x) << 12)
+#       define TARG_INDEX_MASK                          (0x7 << 12)
+#       define TARG_INDEX_SHIFT                         12
+#       define CURR_INDEX(x)                            ((x) << 15)
+#       define CURR_INDEX_MASK                          (0x7 << 15)
+#       define CURR_INDEX_SHIFT                         15
+
+#define CG_SCLK_DPM_CTRL                                0x684
+#       define SCLK_FSTATE_0_DIV(x)                     ((x) << 0)
+#       define SCLK_FSTATE_0_DIV_MASK                   (0x7f << 0)
+#       define SCLK_FSTATE_0_DIV_SHIFT                  0
+#       define SCLK_FSTATE_0_VLD                        (1 << 7)
+#       define SCLK_FSTATE_1_DIV(x)                     ((x) << 8)
+#       define SCLK_FSTATE_1_DIV_MASK                   (0x7f << 8)
+#       define SCLK_FSTATE_1_DIV_SHIFT                  8
+#       define SCLK_FSTATE_1_VLD                        (1 << 15)
+#       define SCLK_FSTATE_2_DIV(x)                     ((x) << 16)
+#       define SCLK_FSTATE_2_DIV_MASK                   (0x7f << 16)
+#       define SCLK_FSTATE_2_DIV_SHIFT                  16
+#       define SCLK_FSTATE_2_VLD                        (1 << 23)
+#       define SCLK_FSTATE_3_DIV(x)                     ((x) << 24)
+#       define SCLK_FSTATE_3_DIV_MASK                   (0x7f << 24)
+#       define SCLK_FSTATE_3_DIV_SHIFT                  24
+#       define SCLK_FSTATE_3_VLD                        (1 << 31)
+#define CG_SCLK_DPM_CTRL_2                              0x688
+#define CG_GCOOR                                        0x68c
+#       define PHC(x)                                   ((x) << 0)
+#       define PHC_MASK                                 (0x1f << 0)
+#       define PHC_SHIFT                                0
+#       define SDC(x)                                   ((x) << 9)
+#       define SDC_MASK                                 (0x3ff << 9)
+#       define SDC_SHIFT                                9
+#       define SU(x)                                    ((x) << 23)
+#       define SU_MASK                                  (0xf << 23)
+#       define SU_SHIFT                                 23
+#       define DIV_ID(x)                                ((x) << 28)
+#       define DIV_ID_MASK                              (0x7 << 28)
+#       define DIV_ID_SHIFT                             28
+
+#define CG_FTV                                          0x690
+#define CG_FFCT_0                                       0x694
+#       define UTC_0(x)                                 ((x) << 0)
+#       define UTC_0_MASK                               (0x3ff << 0)
+#       define UTC_0_SHIFT                              0
+#       define DTC_0(x)                                 ((x) << 10)
+#       define DTC_0_MASK                               (0x3ff << 10)
+#       define DTC_0_SHIFT                              10
+
+#define CG_GIT                                          0x6d8
+#       define CG_GICST(x)                              ((x) << 0)
+#       define CG_GICST_MASK                            (0xffff << 0)
+#       define CG_GICST_SHIFT                           0
+#       define CG_GIPOT(x)                              ((x) << 16)
+#       define CG_GIPOT_MASK                            (0xffff << 16)
+#       define CG_GIPOT_SHIFT                           16
+
+#define CG_SCLK_DPM_CTRL_3                              0x6e0
+#       define FORCE_SCLK_STATE(x)                      ((x) << 0)
+#       define FORCE_SCLK_STATE_MASK                    (0x7 << 0)
+#       define FORCE_SCLK_STATE_SHIFT                   0
+#       define FORCE_SCLK_STATE_EN                      (1 << 3)
+#       define GNB_TT(x)                                ((x) << 8)
+#       define GNB_TT_MASK                              (0xff << 8)
+#       define GNB_TT_SHIFT                             8
+#       define GNB_THERMTHRO_MASK                       (1 << 16)
+#       define CNB_THERMTHRO_MASK_SCLK                  (1 << 17)
+#       define DPM_SCLK_ENABLE                          (1 << 18)
+#       define GNB_SLOW_FSTATE_0_MASK                   (1 << 23)
+#       define GNB_SLOW_FSTATE_0_SHIFT                  23
+#       define FORCE_NB_PSTATE_1                        (1 << 31)
+
+#define CG_SSP                                          0x6e8
+#       define SST(x)                                   ((x) << 0)
+#       define SST_MASK                                 (0xffff << 0)
+#       define SST_SHIFT                                0
+#       define SSTU(x)                                  ((x) << 16)
+#       define SSTU_MASK                                (0xffff << 16)
+#       define SSTU_SHIFT                               16
+
+#define CG_ACPI_CNTL                                    0x70c
+#       define SCLK_ACPI_DIV(x)                         ((x) << 0)
+#       define SCLK_ACPI_DIV_MASK                       (0x7f << 0)
+#       define SCLK_ACPI_DIV_SHIFT                      0
+
+#define CG_SCLK_DPM_CTRL_4                              0x71c
+#       define DC_HDC(x)                                ((x) << 14)
+#       define DC_HDC_MASK                              (0x3fff << 14)
+#       define DC_HDC_SHIFT                             14
+#       define DC_HU(x)                                 ((x) << 28)
+#       define DC_HU_MASK                               (0xf << 28)
+#       define DC_HU_SHIFT                              28
+#define CG_SCLK_DPM_CTRL_5                              0x720
+#       define SCLK_FSTATE_BOOTUP(x)                    ((x) << 0)
+#       define SCLK_FSTATE_BOOTUP_MASK                  (0x7 << 0)
+#       define SCLK_FSTATE_BOOTUP_SHIFT                 0
+#       define TT_TP(x)                                 ((x) << 3)
+#       define TT_TP_MASK                               (0xffff << 3)
+#       define TT_TP_SHIFT                              3
+#       define TT_TU(x)                                 ((x) << 19)
+#       define TT_TU_MASK                               (0xff << 19)
+#       define TT_TU_SHIFT                              19
+#define CG_SCLK_DPM_CTRL_6                              0x724
+#define CG_AT_0                                         0x728
+#       define CG_R(x)                                  ((x) << 0)
+#       define CG_R_MASK                                (0xffff << 0)
+#       define CG_R_SHIFT                               0
+#       define CG_L(x)                                  ((x) << 16)
+#       define CG_L_MASK                                (0xffff << 16)
+#       define CG_L_SHIFT                               16
+#define CG_AT_1                                         0x72c
+#define CG_AT_2                                         0x730
+#define        CG_THERMAL_INT                                  0x734
+#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 CG_AT_3                                         0x738
+#define CG_AT_4                                         0x73c
+#define CG_AT_5                                         0x740
+#define CG_AT_6                                         0x744
+#define CG_AT_7                                         0x748
+
+#define CG_BSP_0                                        0x750
+#       define BSP(x)                                   ((x) << 0)
+#       define BSP_MASK                                 (0xffff << 0)
+#       define BSP_SHIFT                                0
+#       define BSU(x)                                   ((x) << 16)
+#       define BSU_MASK                                 (0xf << 16)
+#       define BSU_SHIFT                                16
+
+#define CG_CG_VOLTAGE_CNTL                              0x770
+#       define REQ                                      (1 << 0)
+#       define LEVEL(x)                                 ((x) << 1)
+#       define LEVEL_MASK                               (0x3 << 1)
+#       define LEVEL_SHIFT                              1
+#       define CG_VOLTAGE_EN                            (1 << 3)
+#       define FORCE                                    (1 << 4)
+#       define PERIOD(x)                                ((x) << 8)
+#       define PERIOD_MASK                              (0xffff << 8)
+#       define PERIOD_SHIFT                             8
+#       define UNIT(x)                                  ((x) << 24)
+#       define UNIT_MASK                                (0xf << 24)
+#       define UNIT_SHIFT                               24
+
+#define CG_ACPI_VOLTAGE_CNTL                            0x780
+#       define ACPI_VOLTAGE_EN                          (1 << 8)
+
+#define CG_DPM_VOLTAGE_CNTL                             0x788
+#       define DPM_STATE0_LEVEL_MASK                    (0x3 << 0)
+#       define DPM_STATE0_LEVEL_SHIFT                   0
+#       define DPM_VOLTAGE_EN                           (1 << 16)
+
+#define CG_PWR_GATING_CNTL                              0x7ac
+#       define DYN_PWR_DOWN_EN                          (1 << 0)
+#       define ACPI_PWR_DOWN_EN                         (1 << 1)
+#       define GFX_CLK_OFF_PWR_DOWN_EN                  (1 << 2)
+#       define IOC_DISGPU_PWR_DOWN_EN                   (1 << 3)
+#       define FORCE_POWR_ON                            (1 << 4)
+#       define PGP(x)                                   ((x) << 8)
+#       define PGP_MASK                                 (0xffff << 8)
+#       define PGP_SHIFT                                8
+#       define PGU(x)                                   ((x) << 24)
+#       define PGU_MASK                                 (0xf << 24)
+#       define PGU_SHIFT                                24
+
+#define CG_CGTT_LOCAL_0                                 0x7d0
+#define CG_CGTT_LOCAL_1                                 0x7d4
+
+#define DEEP_SLEEP_CNTL                                 0x818
+#       define R_DIS                                    (1 << 3)
+#       define HS(x)                                    ((x) << 4)
+#       define HS_MASK                                  (0xfff << 4)
+#       define HS_SHIFT                                 4
+#       define ENABLE_DS                                (1 << 31)
+#define DEEP_SLEEP_CNTL2                                0x81c
+#       define LB_UFP_EN                                (1 << 0)
+#       define INOUT_C(x)                               ((x) << 4)
+#       define INOUT_C_MASK                             (0xff << 4)
+#       define INOUT_C_SHIFT                            4
+
+#define CG_SCRATCH2                                     0x824
+
+#define CG_SCLK_DPM_CTRL_11                             0x830
+
+#define HW_REV                                         0x5564
+#       define ATI_REV_ID_MASK                          (0xf << 28)
+#       define ATI_REV_ID_SHIFT                         28
+/* 0 = A0, 1 = A1, 2 = B0, 3 = C0, etc. */
+
+#define DOUT_SCRATCH3                                  0x611c
+
+#define GB_ADDR_CONFIG                                 0x98f8
+
+#endif