drm/radeon: add dpm UVD handling for evergreen/btc asics

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 221d4c6..6af91b7 100644 (file)
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -1510,6 +1510,46 @@ static int btc_init_smc_table(struct radeon_device *rdev)
                                       pi->sram_end);
 }
 
+static void btc_set_at_for_uvd(struct radeon_device *rdev)
+{
+       struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+       struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+       struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
+       int idx = 0;
+
+       if (r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2))
+               idx = 1;
+
+       if ((idx == 1) && !eg_pi->smu_uvd_hs) {
+               pi->rlp = 10;
+               pi->rmp = 100;
+               pi->lhp = 100;
+               pi->lmp = 10;
+       } else {
+               pi->rlp = eg_pi->ats[idx].rlp;
+               pi->rmp = eg_pi->ats[idx].rmp;
+               pi->lhp = eg_pi->ats[idx].lhp;
+               pi->lmp = eg_pi->ats[idx].lmp;
+       }
+
+}
+
+static void btc_notify_uvd_to_smc(struct radeon_device *rdev)
+{
+       struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
+       struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+
+       if (r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
+               rv770_write_smc_soft_register(rdev,
+                                             RV770_SMC_SOFT_REGISTER_uvd_enabled, 1);
+               eg_pi->uvd_enabled = true;
+       } else {
+               rv770_write_smc_soft_register(rdev,
+                                             RV770_SMC_SOFT_REGISTER_uvd_enabled, 0);
+               eg_pi->uvd_enabled = false;
+       }
+}
+
 static int btc_reset_to_default(struct radeon_device *rdev)
 {
        if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ResetToDefaults) != PPSMC_Result_OK)
@@ -1880,7 +1920,11 @@ int btc_dpm_set_power_state(struct radeon_device *rdev)
        if (eg_pi->pcie_performance_request)
                cypress_notify_link_speed_change_before_state_change(rdev);
 
+       rv770_set_uvd_clock_before_set_eng_clock(rdev);
        rv770_halt_smc(rdev);
+       btc_set_at_for_uvd(rdev);
+       if (eg_pi->smu_uvd_hs)
+               btc_notify_uvd_to_smc(rdev);
        cypress_upload_sw_state(rdev);
 
        if (eg_pi->dynamic_ac_timing)
@@ -1890,6 +1934,7 @@ int btc_dpm_set_power_state(struct radeon_device *rdev)
 
        rv770_resume_smc(rdev);
        rv770_set_sw_state(rdev);
+       rv770_set_uvd_clock_after_set_eng_clock(rdev);
 
        if (eg_pi->pcie_performance_request)
                cypress_notify_link_speed_change_after_state_change(rdev);
@@ -2098,6 +2143,23 @@ int btc_dpm_init(struct radeon_device *rdev)
        pi->mclk_edc_enable_threshold = 40000;
        eg_pi->mclk_edc_wr_enable_threshold = 40000;
 
+       pi->rlp = RV770_RLP_DFLT;
+       pi->rmp = RV770_RMP_DFLT;
+       pi->lhp = RV770_LHP_DFLT;
+       pi->lmp = RV770_LMP_DFLT;
+
+       eg_pi->ats[0].rlp = RV770_RLP_DFLT;
+       eg_pi->ats[0].rmp = RV770_RMP_DFLT;
+       eg_pi->ats[0].lhp = RV770_LHP_DFLT;
+       eg_pi->ats[0].lmp = RV770_LMP_DFLT;
+
+       eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
+       eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
+       eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
+       eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;
+
+       eg_pi->smu_uvd_hs = true;
+
        pi->voltage_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC);
 

diff --git a/drivers/gpu/drm/radeon/btc_dpm.h b/drivers/gpu/drm/radeon/btc_dpm.h
index a095d40..56b1957 100644 (file)
--- a/drivers/gpu/drm/radeon/btc_dpm.h
+++ b/drivers/gpu/drm/radeon/btc_dpm.h
@@ -23,6 +23,10 @@
 #ifndef __BTC_DPM_H__
 #define __BTC_DPM_H__
 
+#define BTC_RLP_UVD_DFLT                              20
+#define BTC_RMP_UVD_DFLT                              50
+#define BTC_LHP_UVD_DFLT                              50
+#define BTC_LMP_UVD_DFLT                              20
 #define BARTS_MGCGCGTSSMCTRL_DFLT                     0x81944000
 #define TURKS_MGCGCGTSSMCTRL_DFLT                     0x6e944000
 #define CAICOS_MGCGCGTSSMCTRL_DFLT                    0x46944040

diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 91434ac..ce79619 100644 (file)
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -690,7 +690,8 @@ int cypress_convert_power_level_to_smc(struct radeon_device *rdev,
 
        level->mcFlags =  0;
        if (pi->mclk_stutter_mode_threshold &&
-           (pl->mclk <= pi->mclk_stutter_mode_threshold)) {
+           (pl->mclk <= pi->mclk_stutter_mode_threshold) &&
+           !eg_pi->uvd_enabled) {
                level->mcFlags |= SMC_MC_STUTTER_EN;
                if (eg_pi->sclk_deep_sleep)
                        level->stateFlags |= PPSMC_STATEFLAG_AUTO_PULSE_SKIP;
@@ -1938,6 +1939,7 @@ int cypress_dpm_set_power_state(struct radeon_device *rdev)
        if (eg_pi->pcie_performance_request)
                cypress_notify_link_speed_change_before_state_change(rdev);
 
+       rv770_set_uvd_clock_before_set_eng_clock(rdev);
        rv770_halt_smc(rdev);
        cypress_upload_sw_state(rdev);
 
@@ -1948,6 +1950,7 @@ int cypress_dpm_set_power_state(struct radeon_device *rdev)
 
        rv770_resume_smc(rdev);
        rv770_set_sw_state(rdev);
+       rv770_set_uvd_clock_after_set_eng_clock(rdev);
 
        if (eg_pi->pcie_performance_request)
                cypress_notify_link_speed_change_after_state_change(rdev);
@@ -2012,6 +2015,11 @@ int cypress_dpm_init(struct radeon_device *rdev)
        pi->mclk_edc_enable_threshold = 40000;
        eg_pi->mclk_edc_wr_enable_threshold = 40000;
 
+       pi->rlp = RV770_RLP_DFLT;
+       pi->rmp = RV770_RMP_DFLT;
+       pi->lhp = RV770_LHP_DFLT;
+       pi->lmp = RV770_LMP_DFLT;
+
        pi->voltage_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC);
 

diff --git a/drivers/gpu/drm/radeon/cypress_dpm.h b/drivers/gpu/drm/radeon/cypress_dpm.h
index 6cc3d3f..029bc9d 100644 (file)
--- a/drivers/gpu/drm/radeon/cypress_dpm.h
+++ b/drivers/gpu/drm/radeon/cypress_dpm.h
@@ -51,6 +51,13 @@ struct evergreen_arb_registers {
        u32 mc_arb_burst_time;
 };
 
+struct at {
+       u32 rlp;
+       u32 rmp;
+       u32 lhp;
+       u32 lmp;
+};
+
 struct evergreen_power_info {
        /* must be first! */
        struct rv7xx_power_info rv7xx;
@@ -66,6 +73,8 @@ struct evergreen_power_info {
        bool sclk_deep_sleep;
        bool dll_default_on;
        bool ls_clock_gating;
+       bool smu_uvd_hs;
+       bool uvd_enabled;
        /* stored values */
        u16 acpi_vddci;
        u8 mvdd_high_index;
@@ -76,6 +85,7 @@ struct evergreen_power_info {
        struct atom_voltage_table vddci_voltage_table;
        struct evergreen_arb_registers bootup_arb_registers;
        struct evergreen_ulv_param ulv;
+       struct at ats[2];
        /* smc offsets */
        u16 mc_reg_table_start;
 };

diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 8cdad4f..75062c4 100644 (file)
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -265,22 +265,21 @@ int rv770_populate_smc_t(struct radeon_device *rdev,
        l[0] = 0;
        r[2] = 100;
 
-       a_n = (int)state->medium.sclk * RV770_LMP_DFLT +
-               (int)state->low.sclk * (R600_AH_DFLT - RV770_RLP_DFLT);
-       a_d = (int)state->low.sclk * (100 - (int)RV770_RLP_DFLT) +
-               (int)state->medium.sclk * RV770_LMP_DFLT;
+       a_n = (int)state->medium.sclk * pi->lmp +
+               (int)state->low.sclk * (R600_AH_DFLT - pi->rlp);
+       a_d = (int)state->low.sclk * (100 - (int)pi->rlp) +
+               (int)state->medium.sclk * pi->lmp;
 
-       l[1] = (u8)(RV770_LMP_DFLT - (int)RV770_LMP_DFLT * a_n / a_d);
-       r[0] = (u8)(RV770_RLP_DFLT + (100 - (int)RV770_RLP_DFLT) * a_n / a_d);
+       l[1] = (u8)(pi->lmp - (int)pi->lmp * a_n / a_d);
+       r[0] = (u8)(pi->rlp + (100 - (int)pi->rlp) * a_n / a_d);
 
-       a_n = (int)state->high.sclk * RV770_LHP_DFLT +
-               (int)state->medium.sclk *
-               (R600_AH_DFLT - RV770_RMP_DFLT);
-       a_d = (int)state->medium.sclk * (100 - (int)RV770_RMP_DFLT) +
-               (int)state->high.sclk * RV770_LHP_DFLT;
+       a_n = (int)state->high.sclk * pi->lhp + (int)state->medium.sclk *
+               (R600_AH_DFLT - pi->rmp);
+       a_d = (int)state->medium.sclk * (100 - (int)pi->rmp) +
+               (int)state->high.sclk * pi->lhp;
 
-       l[2] = (u8)(RV770_LHP_DFLT - (int)RV770_LHP_DFLT * a_n / a_d);
-       r[1] = (u8)(RV770_RMP_DFLT + (100 - (int)RV770_RMP_DFLT) * a_n / a_d);
+       l[2] = (u8)(pi->lhp - (int)pi->lhp * a_n / a_d);
+       r[1] = (u8)(pi->rmp + (100 - (int)pi->rmp) * a_n / a_d);
 
        for (i = 0; i < (RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1); i++) {
                a_t = CG_R(r[i] * pi->bsp / 200) | CG_L(l[i] * pi->bsp / 200);
@@ -2281,6 +2280,11 @@ int rv770_dpm_init(struct radeon_device *rdev)
        pi->mclk_strobe_mode_threshold = 30000;
        pi->mclk_edc_enable_threshold = 30000;
 
+       pi->rlp = RV770_RLP_DFLT;
+       pi->rmp = RV770_RMP_DFLT;
+       pi->lhp = RV770_LHP_DFLT;
+       pi->lmp = RV770_LMP_DFLT;
+
        pi->voltage_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC);
 

diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h
index f1c9da5..d1fb1cf 100644 (file)
--- a/drivers/gpu/drm/radeon/rv770_dpm.h
+++ b/drivers/gpu/drm/radeon/rv770_dpm.h
@@ -126,6 +126,10 @@ struct rv7xx_power_info {
        u32 pasi;
        u32 vrc;
        u32 restricted_levels;
+       u32 rlp;
+       u32 rmp;
+       u32 lhp;
+       u32 lmp;
        /* smc offsets */
        u16 state_table_start;
        u16 soft_regs_start;

diff --git a/drivers/gpu/drm/radeon/rv770_smc.h b/drivers/gpu/drm/radeon/rv770_smc.h
index bdb652c..f78d92a 100644 (file)
--- a/drivers/gpu/drm/radeon/rv770_smc.h
+++ b/drivers/gpu/drm/radeon/rv770_smc.h
@@ -184,6 +184,7 @@ typedef struct RV770_SMC_STATETABLE RV770_SMC_STATETABLE;
 #define RV770_SMC_SOFT_REGISTER_mvdd_chg_time           0x68
 #define RV770_SMC_SOFT_REGISTER_mclk_switch_lim         0x78
 #define RV770_SMC_SOFT_REGISTER_mc_block_delay          0x90
+#define RV770_SMC_SOFT_REGISTER_uvd_enabled             0x9C
 #define RV770_SMC_SOFT_REGISTER_is_asic_lombok          0xA0
 
 int rv770_set_smc_sram_address(struct radeon_device *rdev,