diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 286 |
1 files changed, 194 insertions, 92 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 984097b907e..e447e390d09 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -73,8 +73,10 @@ void radeon_pm_acpi_event_handler(struct radeon_device *rdev) rdev->pm.dpm.ac_power = true; else rdev->pm.dpm.ac_power = false; - if (rdev->asic->dpm.enable_bapm) - radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power); + if (rdev->family == CHIP_ARUBA) { + if (rdev->asic->dpm.enable_bapm) + radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power); + } mutex_unlock(&rdev->pm.mutex); } else if (rdev->pm.pm_method == PM_METHOD_PROFILE) { if (rdev->pm.profile == PM_PROFILE_AUTO) { @@ -260,7 +262,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev) if (!ring->ready) { continue; } - r = radeon_fence_wait_empty_locked(rdev, i); + r = radeon_fence_wait_empty(rdev, i); if (r) { /* needs a GPU reset dont reset here */ mutex_unlock(&rdev->ring_lock); @@ -361,6 +363,11 @@ static ssize_t radeon_set_pm_profile(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct radeon_device *rdev = ddev->dev_private; + /* Can't set profile when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + mutex_lock(&rdev->pm.mutex); if (rdev->pm.pm_method == PM_METHOD_PROFILE) { if (strncmp("default", buf, strlen("default")) == 0) @@ -409,6 +416,13 @@ static ssize_t radeon_set_pm_method(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct radeon_device *rdev = ddev->dev_private; + /* Can't set method when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) { + count = -EINVAL; + goto fail; + } + /* we don't support the legacy modes with dpm */ if (rdev->pm.pm_method == PM_METHOD_DPM) { count = -EINVAL; @@ -446,6 +460,10 @@ static ssize_t radeon_get_dpm_state(struct device *dev, struct radeon_device *rdev = ddev->dev_private; enum radeon_pm_state_type pm = rdev->pm.dpm.user_state; + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return snprintf(buf, PAGE_SIZE, "off\n"); + return snprintf(buf, PAGE_SIZE, "%s\n", (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance"); @@ -459,6 +477,11 @@ static ssize_t radeon_set_dpm_state(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct radeon_device *rdev = ddev->dev_private; + /* Can't set dpm state when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + mutex_lock(&rdev->pm.mutex); if (strncmp("battery", buf, strlen("battery")) == 0) rdev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY; @@ -485,6 +508,10 @@ static ssize_t radeon_get_dpm_forced_performance_level(struct device *dev, struct radeon_device *rdev = ddev->dev_private; enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level; + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return snprintf(buf, PAGE_SIZE, "off\n"); + return snprintf(buf, PAGE_SIZE, "%s\n", (level == RADEON_DPM_FORCED_LEVEL_AUTO) ? "auto" : (level == RADEON_DPM_FORCED_LEVEL_LOW) ? "low" : "high"); @@ -500,6 +527,11 @@ static ssize_t radeon_set_dpm_forced_performance_level(struct device *dev, enum radeon_dpm_forced_level level; int ret = 0; + /* Can't force performance level when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + mutex_lock(&rdev->pm.mutex); if (strncmp("low", buf, strlen("low")) == 0) { level = RADEON_DPM_FORCED_LEVEL_LOW; @@ -538,8 +570,14 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev, char *buf) { struct radeon_device *rdev = dev_get_drvdata(dev); + struct drm_device *ddev = rdev->ddev; int temp; + /* Can't get temperature when the card is off */ + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (rdev->asic->pm.get_temperature) temp = radeon_get_temperature(rdev); else @@ -603,7 +641,6 @@ static const struct attribute_group *hwmon_groups[] = { static int radeon_hwmon_init(struct radeon_device *rdev) { int err = 0; - struct device *hwmon_dev; switch (rdev->pm.int_thermal_type) { case THERMAL_TYPE_RV6XX: @@ -616,11 +653,11 @@ static int radeon_hwmon_init(struct radeon_device *rdev) case THERMAL_TYPE_KV: if (rdev->asic->pm.get_temperature == NULL) return err; - hwmon_dev = hwmon_device_register_with_groups(rdev->dev, - "radeon", rdev, - hwmon_groups); - if (IS_ERR(hwmon_dev)) { - err = PTR_ERR(hwmon_dev); + rdev->pm.int_hwmon_dev = hwmon_device_register_with_groups(rdev->dev, + "radeon", rdev, + hwmon_groups); + if (IS_ERR(rdev->pm.int_hwmon_dev)) { + err = PTR_ERR(rdev->pm.int_hwmon_dev); dev_err(rdev->dev, "Unable to register hwmon device: %d\n", err); } @@ -632,6 +669,12 @@ static int radeon_hwmon_init(struct radeon_device *rdev) return err; } +static void radeon_hwmon_fini(struct radeon_device *rdev) +{ + if (rdev->pm.int_hwmon_dev) + hwmon_device_unregister(rdev->pm.int_hwmon_dev); +} + static void radeon_dpm_thermal_work_handler(struct work_struct *work) { struct radeon_device *rdev = @@ -826,6 +869,9 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) /* no need to reprogram if nothing changed unless we are on BTC+ */ if (rdev->pm.dpm.current_ps == rdev->pm.dpm.requested_ps) { + /* vce just modifies an existing state so force a change */ + if (ps->vce_active != rdev->pm.dpm.vce_active) + goto force; if ((rdev->family < CHIP_BARTS) || (rdev->flags & RADEON_IS_IGP)) { /* for pre-BTC and APUs if the num crtcs changed but state is the same, * all we need to do is update the display configuration. @@ -862,16 +908,21 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) } } +force: if (radeon_dpm == 1) { printk("switching from power state:\n"); radeon_dpm_print_power_state(rdev, rdev->pm.dpm.current_ps); printk("switching to power state:\n"); radeon_dpm_print_power_state(rdev, rdev->pm.dpm.requested_ps); } + mutex_lock(&rdev->ddev->struct_mutex); down_write(&rdev->pm.mclk_lock); mutex_lock(&rdev->ring_lock); + /* update whether vce is active */ + ps->vce_active = rdev->pm.dpm.vce_active; + ret = radeon_dpm_pre_set_power_state(rdev); if (ret) goto done; @@ -888,7 +939,7 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) for (i = 0; i < RADEON_NUM_RINGS; i++) { struct radeon_ring *ring = &rdev->ring[i]; if (ring->ready) - radeon_fence_wait_empty_locked(rdev, i); + radeon_fence_wait_empty(rdev, i); } /* program the new power state */ @@ -924,6 +975,10 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) if (rdev->asic->dpm.powergate_uvd) { mutex_lock(&rdev->pm.mutex); + /* don't powergate anything if we + have active but pause streams */ + enable |= rdev->pm.dpm.sd > 0; + enable |= rdev->pm.dpm.hd > 0; /* enable/disable UVD */ radeon_dpm_powergate_uvd(rdev, !enable); mutex_unlock(&rdev->pm.mutex); @@ -956,6 +1011,23 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) } } +void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable) +{ + if (enable) { + mutex_lock(&rdev->pm.mutex); + rdev->pm.dpm.vce_active = true; + /* XXX select vce level based on ring/task */ + rdev->pm.dpm.vce_level = RADEON_VCE_LEVEL_AC_ALL; + mutex_unlock(&rdev->pm.mutex); + } else { + mutex_lock(&rdev->pm.mutex); + rdev->pm.dpm.vce_active = false; + mutex_unlock(&rdev->pm.mutex); + } + + radeon_pm_compute_clocks(rdev); +} + static void radeon_pm_suspend_old(struct radeon_device *rdev) { mutex_lock(&rdev->pm.mutex); @@ -1010,8 +1082,10 @@ static void radeon_pm_resume_old(struct radeon_device *rdev) rdev->pm.current_clock_mode_index = 0; rdev->pm.current_sclk = rdev->pm.default_sclk; rdev->pm.current_mclk = rdev->pm.default_mclk; - rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; - rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; + if (rdev->pm.power_state) { + rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage; + rdev->pm.current_vddci = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.vddci; + } if (rdev->pm.pm_method == PM_METHOD_DYNPM && rdev->pm.dynpm_state == DYNPM_STATE_SUSPENDED) { rdev->pm.dynpm_state = DYNPM_STATE_ACTIVE; @@ -1032,25 +1106,26 @@ static void radeon_pm_resume_dpm(struct radeon_device *rdev) radeon_dpm_setup_asic(rdev); ret = radeon_dpm_enable(rdev); mutex_unlock(&rdev->pm.mutex); - if (ret) { - DRM_ERROR("radeon: dpm resume failed\n"); - if ((rdev->family >= CHIP_BARTS) && - (rdev->family <= CHIP_CAYMAN) && - rdev->mc_fw) { - if (rdev->pm.default_vddc) - radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, - SET_VOLTAGE_TYPE_ASIC_VDDC); - if (rdev->pm.default_vddci) - radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, - SET_VOLTAGE_TYPE_ASIC_VDDCI); - if (rdev->pm.default_sclk) - radeon_set_engine_clock(rdev, rdev->pm.default_sclk); - if (rdev->pm.default_mclk) - radeon_set_memory_clock(rdev, rdev->pm.default_mclk); - } - } else { - rdev->pm.dpm_enabled = true; - radeon_pm_compute_clocks(rdev); + if (ret) + goto dpm_resume_fail; + rdev->pm.dpm_enabled = true; + return; + +dpm_resume_fail: + DRM_ERROR("radeon: dpm resume failed\n"); + if ((rdev->family >= CHIP_BARTS) && + (rdev->family <= CHIP_CAYMAN) && + rdev->mc_fw) { + if (rdev->pm.default_vddc) + radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, + SET_VOLTAGE_TYPE_ASIC_VDDC); + if (rdev->pm.default_vddci) + radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, + SET_VOLTAGE_TYPE_ASIC_VDDCI); + if (rdev->pm.default_sclk) + radeon_set_engine_clock(rdev, rdev->pm.default_sclk); + if (rdev->pm.default_mclk) + radeon_set_memory_clock(rdev, rdev->pm.default_mclk); } } @@ -1170,51 +1245,50 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev) radeon_dpm_setup_asic(rdev); ret = radeon_dpm_enable(rdev); mutex_unlock(&rdev->pm.mutex); - if (ret) { - rdev->pm.dpm_enabled = false; - if ((rdev->family >= CHIP_BARTS) && - (rdev->family <= CHIP_CAYMAN) && - rdev->mc_fw) { - if (rdev->pm.default_vddc) - radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, - SET_VOLTAGE_TYPE_ASIC_VDDC); - if (rdev->pm.default_vddci) - radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, - SET_VOLTAGE_TYPE_ASIC_VDDCI); - if (rdev->pm.default_sclk) - radeon_set_engine_clock(rdev, rdev->pm.default_sclk); - if (rdev->pm.default_mclk) - radeon_set_memory_clock(rdev, rdev->pm.default_mclk); - } - DRM_ERROR("radeon: dpm initialization failed\n"); - return ret; - } + if (ret) + goto dpm_failed; rdev->pm.dpm_enabled = true; - radeon_pm_compute_clocks(rdev); - if (rdev->pm.num_power_states > 1) { - ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); - if (ret) - DRM_ERROR("failed to create device file for dpm state\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); - if (ret) - DRM_ERROR("failed to create device file for dpm state\n"); - /* XXX: these are noops for dpm but are here for backwards compat */ - ret = device_create_file(rdev->dev, &dev_attr_power_profile); - if (ret) - DRM_ERROR("failed to create device file for power profile\n"); - ret = device_create_file(rdev->dev, &dev_attr_power_method); - if (ret) - DRM_ERROR("failed to create device file for power method\n"); - - if (radeon_debugfs_pm_init(rdev)) { - DRM_ERROR("Failed to register debugfs file for dpm!\n"); - } + ret = device_create_file(rdev->dev, &dev_attr_power_dpm_state); + if (ret) + DRM_ERROR("failed to create device file for dpm state\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_dpm_force_performance_level); + if (ret) + DRM_ERROR("failed to create device file for dpm state\n"); + /* XXX: these are noops for dpm but are here for backwards compat */ + ret = device_create_file(rdev->dev, &dev_attr_power_profile); + if (ret) + DRM_ERROR("failed to create device file for power profile\n"); + ret = device_create_file(rdev->dev, &dev_attr_power_method); + if (ret) + DRM_ERROR("failed to create device file for power method\n"); - DRM_INFO("radeon: dpm initialized\n"); + if (radeon_debugfs_pm_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for dpm!\n"); } + DRM_INFO("radeon: dpm initialized\n"); + return 0; + +dpm_failed: + rdev->pm.dpm_enabled = false; + if ((rdev->family >= CHIP_BARTS) && + (rdev->family <= CHIP_CAYMAN) && + rdev->mc_fw) { + if (rdev->pm.default_vddc) + radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, + SET_VOLTAGE_TYPE_ASIC_VDDC); + if (rdev->pm.default_vddci) + radeon_atom_set_voltage(rdev, rdev->pm.default_vddci, + SET_VOLTAGE_TYPE_ASIC_VDDCI); + if (rdev->pm.default_sclk) + radeon_set_engine_clock(rdev, rdev->pm.default_sclk); + if (rdev->pm.default_mclk) + radeon_set_memory_clock(rdev, rdev->pm.default_mclk); + } + DRM_ERROR("radeon: dpm initialization failed\n"); + return ret; } int radeon_pm_init(struct radeon_device *rdev) @@ -1228,11 +1302,11 @@ int radeon_pm_init(struct radeon_device *rdev) case CHIP_RV670: case CHIP_RS780: case CHIP_RS880: + case CHIP_RV770: + case CHIP_BARTS: + case CHIP_TURKS: + case CHIP_CAICOS: case CHIP_CAYMAN: - case CHIP_BONAIRE: - case CHIP_KABINI: - case CHIP_KAVERI: - case CHIP_HAWAII: /* DPM requires the RLC, RV770+ dGPU requires SMC */ if (!rdev->rlc_fw) rdev->pm.pm_method = PM_METHOD_PROFILE; @@ -1245,7 +1319,6 @@ int radeon_pm_init(struct radeon_device *rdev) else rdev->pm.pm_method = PM_METHOD_PROFILE; break; - case CHIP_RV770: case CHIP_RV730: case CHIP_RV710: case CHIP_RV740: @@ -1257,15 +1330,17 @@ int radeon_pm_init(struct radeon_device *rdev) case CHIP_PALM: case CHIP_SUMO: case CHIP_SUMO2: - case CHIP_BARTS: - case CHIP_TURKS: - case CHIP_CAICOS: case CHIP_ARUBA: case CHIP_TAHITI: case CHIP_PITCAIRN: case CHIP_VERDE: case CHIP_OLAND: case CHIP_HAINAN: + case CHIP_BONAIRE: + case CHIP_KABINI: + case CHIP_KAVERI: + case CHIP_HAWAII: + case CHIP_MULLINS: /* DPM requires the RLC, RV770+ dGPU requires SMC */ if (!rdev->rlc_fw) rdev->pm.pm_method = PM_METHOD_PROFILE; @@ -1290,6 +1365,18 @@ int radeon_pm_init(struct radeon_device *rdev) return radeon_pm_init_old(rdev); } +int radeon_pm_late_init(struct radeon_device *rdev) +{ + int ret = 0; + + if (rdev->pm.pm_method == PM_METHOD_DPM) { + mutex_lock(&rdev->pm.mutex); + ret = radeon_dpm_late_enable(rdev); + mutex_unlock(&rdev->pm.mutex); + } + return ret; +} + static void radeon_pm_fini_old(struct radeon_device *rdev) { if (rdev->pm.num_power_states > 1) { @@ -1312,6 +1399,8 @@ static void radeon_pm_fini_old(struct radeon_device *rdev) device_remove_file(rdev->dev, &dev_attr_power_method); } + radeon_hwmon_fini(rdev); + if (rdev->pm.power_state) kfree(rdev->pm.power_state); } @@ -1331,6 +1420,8 @@ static void radeon_pm_fini_dpm(struct radeon_device *rdev) } radeon_dpm_fini(rdev); + radeon_hwmon_fini(rdev); + if (rdev->pm.power_state) kfree(rdev->pm.power_state); } @@ -1356,12 +1447,14 @@ static void radeon_pm_compute_clocks_old(struct radeon_device *rdev) rdev->pm.active_crtcs = 0; rdev->pm.active_crtc_count = 0; - list_for_each_entry(crtc, - &ddev->mode_config.crtc_list, head) { - radeon_crtc = to_radeon_crtc(crtc); - if (radeon_crtc->enabled) { - rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); - rdev->pm.active_crtc_count++; + if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, + &ddev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (radeon_crtc->enabled) { + rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id); + rdev->pm.active_crtc_count++; + } } } @@ -1420,17 +1513,22 @@ static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev) struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; + if (!rdev->pm.dpm_enabled) + return; + mutex_lock(&rdev->pm.mutex); /* update active crtc counts */ rdev->pm.dpm.new_active_crtcs = 0; rdev->pm.dpm.new_active_crtc_count = 0; - list_for_each_entry(crtc, - &ddev->mode_config.crtc_list, head) { - radeon_crtc = to_radeon_crtc(crtc); - if (crtc->enabled) { - rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id); - rdev->pm.dpm.new_active_crtc_count++; + if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) { + list_for_each_entry(crtc, + &ddev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (crtc->enabled) { + rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id); + rdev->pm.dpm.new_active_crtc_count++; + } } } @@ -1464,7 +1562,7 @@ static bool radeon_pm_in_vbl(struct radeon_device *rdev) */ for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) { if (rdev->pm.active_crtcs & (1 << crtc)) { - vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, &vpos, &hpos, NULL, NULL); + vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, 0, &vpos, &hpos, NULL, NULL); if ((vbl_status & DRM_SCANOUTPOS_VALID) && !(vbl_status & DRM_SCANOUTPOS_INVBL)) in_vbl = false; @@ -1556,8 +1654,12 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct radeon_device *rdev = dev->dev_private; + struct drm_device *ddev = rdev->ddev; - if (rdev->pm.dpm_enabled) { + if ((rdev->flags & RADEON_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) { + seq_printf(m, "PX asic powered off\n"); + } else if (rdev->pm.dpm_enabled) { mutex_lock(&rdev->pm.mutex); if (rdev->asic->dpm.debugfs_print_current_performance_level) radeon_dpm_debugfs_print_current_performance_level(rdev, m); |