From: Evan Quan Date: Thu, 13 Aug 2020 05:37:52 +0000 (+0800) Subject: drm/amd/powerplay: put those exposed power interfaces in amdgpu_dpm.c X-Git-Tag: v5.10.7~1332^2~30^2~135 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e9372d23715d6802fd6d3763cb19c5a0c07ad641;p=platform%2Fkernel%2Flinux-rpi.git drm/amd/powerplay: put those exposed power interfaces in amdgpu_dpm.c As other power interfaces. Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Acked-by: Nirmoy Das Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index 3465fdd..e480b54 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -28,6 +28,11 @@ #include "amdgpu_dpm.h" #include "atom.h" #include "amd_pcie.h" +#include "amdgpu_display.h" +#include "hwmgr.h" +#include + +#define WIDTH_4K 3840 void amdgpu_dpm_print_class_info(u32 class, u32 class2) { @@ -1262,3 +1267,423 @@ int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev, return ret; } + +void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) +{ + if (adev->pm.dpm_enabled) { + mutex_lock(&adev->pm.mutex); + if (power_supply_is_system_supplied() > 0) + adev->pm.ac_power = true; + else + adev->pm.ac_power = false; + if (adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->enable_bapm) + amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power); + mutex_unlock(&adev->pm.mutex); + + if (is_support_sw_smu(adev)) + smu_set_ac_dc(&adev->smu); + } +} + +int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + + if (!data || !size) + return -EINVAL; + + if (is_support_sw_smu(adev)) + ret = smu_read_sensor(&adev->smu, sensor, data, size); + else { + if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) + ret = adev->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, + sensor, data, size); + else + ret = -EINVAL; + } + + return ret; +} + +void amdgpu_dpm_thermal_work_handler(struct work_struct *work) +{ + struct amdgpu_device *adev = + container_of(work, struct amdgpu_device, + pm.dpm.thermal.work); + /* switch to the thermal state */ + enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL; + int temp, size = sizeof(temp); + + if (!adev->pm.dpm_enabled) + return; + + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, + (void *)&temp, &size)) { + if (temp < adev->pm.dpm.thermal.min_temp) + /* switch back the user state */ + dpm_state = adev->pm.dpm.user_state; + } else { + if (adev->pm.dpm.thermal.high_to_low) + /* switch back the user state */ + dpm_state = adev->pm.dpm.user_state; + } + mutex_lock(&adev->pm.mutex); + if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL) + adev->pm.dpm.thermal_active = true; + else + adev->pm.dpm.thermal_active = false; + adev->pm.dpm.state = dpm_state; + mutex_unlock(&adev->pm.mutex); + + amdgpu_pm_compute_clocks(adev); +} + +static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev, + enum amd_pm_state_type dpm_state) +{ + int i; + struct amdgpu_ps *ps; + u32 ui_class; + bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ? + true : false; + + /* check if the vblank period is too short to adjust the mclk */ + if (single_display && adev->powerplay.pp_funcs->vblank_too_short) { + if (amdgpu_dpm_vblank_too_short(adev)) + single_display = false; + } + + /* certain older asics have a separare 3D performance state, + * so try that first if the user selected performance + */ + if (dpm_state == POWER_STATE_TYPE_PERFORMANCE) + dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF; + /* balanced states don't exist at the moment */ + if (dpm_state == POWER_STATE_TYPE_BALANCED) + dpm_state = POWER_STATE_TYPE_PERFORMANCE; + +restart_search: + /* Pick the best power state based on current conditions */ + for (i = 0; i < adev->pm.dpm.num_ps; i++) { + ps = &adev->pm.dpm.ps[i]; + ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK; + switch (dpm_state) { + /* user states */ + case POWER_STATE_TYPE_BATTERY: + if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) { + if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { + if (single_display) + return ps; + } else + return ps; + } + break; + case POWER_STATE_TYPE_BALANCED: + if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) { + if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { + if (single_display) + return ps; + } else + return ps; + } + break; + case POWER_STATE_TYPE_PERFORMANCE: + if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) { + if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { + if (single_display) + return ps; + } else + return ps; + } + break; + /* internal states */ + case POWER_STATE_TYPE_INTERNAL_UVD: + if (adev->pm.dpm.uvd_ps) + return adev->pm.dpm.uvd_ps; + else + break; + case POWER_STATE_TYPE_INTERNAL_UVD_SD: + if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_UVD_HD: + if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_UVD_HD2: + if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_UVD_MVC: + if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_BOOT: + return adev->pm.dpm.boot_ps; + case POWER_STATE_TYPE_INTERNAL_THERMAL: + if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_ACPI: + if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_ULV: + if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) + return ps; + break; + case POWER_STATE_TYPE_INTERNAL_3DPERF: + if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) + return ps; + break; + default: + break; + } + } + /* use a fallback state if we didn't match */ + switch (dpm_state) { + case POWER_STATE_TYPE_INTERNAL_UVD_SD: + dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD; + goto restart_search; + case POWER_STATE_TYPE_INTERNAL_UVD_HD: + case POWER_STATE_TYPE_INTERNAL_UVD_HD2: + case POWER_STATE_TYPE_INTERNAL_UVD_MVC: + if (adev->pm.dpm.uvd_ps) { + return adev->pm.dpm.uvd_ps; + } else { + dpm_state = POWER_STATE_TYPE_PERFORMANCE; + goto restart_search; + } + case POWER_STATE_TYPE_INTERNAL_THERMAL: + dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI; + goto restart_search; + case POWER_STATE_TYPE_INTERNAL_ACPI: + dpm_state = POWER_STATE_TYPE_BATTERY; + goto restart_search; + case POWER_STATE_TYPE_BATTERY: + case POWER_STATE_TYPE_BALANCED: + case POWER_STATE_TYPE_INTERNAL_3DPERF: + dpm_state = POWER_STATE_TYPE_PERFORMANCE; + goto restart_search; + default: + break; + } + + return NULL; +} + +static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev) +{ + struct amdgpu_ps *ps; + enum amd_pm_state_type dpm_state; + int ret; + bool equal = false; + + /* if dpm init failed */ + if (!adev->pm.dpm_enabled) + return; + + if (adev->pm.dpm.user_state != adev->pm.dpm.state) { + /* add other state override checks here */ + if ((!adev->pm.dpm.thermal_active) && + (!adev->pm.dpm.uvd_active)) + adev->pm.dpm.state = adev->pm.dpm.user_state; + } + dpm_state = adev->pm.dpm.state; + + ps = amdgpu_dpm_pick_power_state(adev, dpm_state); + if (ps) + adev->pm.dpm.requested_ps = ps; + else + return; + + if (amdgpu_dpm == 1 && adev->powerplay.pp_funcs->print_power_state) { + printk("switching from power state:\n"); + amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps); + printk("switching to power state:\n"); + amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps); + } + + /* update whether vce is active */ + ps->vce_active = adev->pm.dpm.vce_active; + if (adev->powerplay.pp_funcs->display_configuration_changed) + amdgpu_dpm_display_configuration_changed(adev); + + ret = amdgpu_dpm_pre_set_power_state(adev); + if (ret) + return; + + if (adev->powerplay.pp_funcs->check_state_equal) { + if (0 != amdgpu_dpm_check_state_equal(adev, adev->pm.dpm.current_ps, adev->pm.dpm.requested_ps, &equal)) + equal = false; + } + + if (equal) + return; + + amdgpu_dpm_set_power_state(adev); + amdgpu_dpm_post_set_power_state(adev); + + adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs; + adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count; + + if (adev->powerplay.pp_funcs->force_performance_level) { + if (adev->pm.dpm.thermal_active) { + enum amd_dpm_forced_level level = adev->pm.dpm.forced_level; + /* force low perf level for thermal */ + amdgpu_dpm_force_performance_level(adev, AMD_DPM_FORCED_LEVEL_LOW); + /* save the user's level */ + adev->pm.dpm.forced_level = level; + } else { + /* otherwise, user selected level */ + amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level); + } + } +} + +void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) +{ + int i = 0; + + if (!adev->pm.dpm_enabled) + return; + + if (adev->mode_info.num_crtc) + amdgpu_display_bandwidth_update(adev); + + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + if (ring && ring->sched.ready) + amdgpu_fence_wait_empty(ring); + } + + if (is_support_sw_smu(adev)) { + struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm; + smu_handle_task(&adev->smu, + smu_dpm->dpm_level, + AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, + true); + } else { + if (adev->powerplay.pp_funcs->dispatch_tasks) { + if (!amdgpu_device_has_dc_support(adev)) { + mutex_lock(&adev->pm.mutex); + amdgpu_dpm_get_active_displays(adev); + adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count; + adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev); + adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev); + /* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */ + if (adev->pm.pm_display_cfg.vrefresh > 120) + adev->pm.pm_display_cfg.min_vblank_time = 0; + if (adev->powerplay.pp_funcs->display_configuration_change) + adev->powerplay.pp_funcs->display_configuration_change( + adev->powerplay.pp_handle, + &adev->pm.pm_display_cfg); + mutex_unlock(&adev->pm.mutex); + } + amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL); + } else { + mutex_lock(&adev->pm.mutex); + amdgpu_dpm_get_active_displays(adev); + amdgpu_dpm_change_power_state_locked(adev); + mutex_unlock(&adev->pm.mutex); + } + } +} + +void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable) +{ + int ret = 0; + + if (adev->family == AMDGPU_FAMILY_SI) { + mutex_lock(&adev->pm.mutex); + if (enable) { + adev->pm.dpm.uvd_active = true; + adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD; + } else { + adev->pm.dpm.uvd_active = false; + } + mutex_unlock(&adev->pm.mutex); + + amdgpu_pm_compute_clocks(adev); + } else { + ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable); + if (ret) + DRM_ERROR("Dpm %s uvd failed, ret = %d. \n", + enable ? "enable" : "disable", ret); + + /* enable/disable Low Memory PState for UVD (4k videos) */ + if (adev->asic_type == CHIP_STONEY && + adev->uvd.decode_image_width >= WIDTH_4K) { + struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle; + + if (hwmgr && hwmgr->hwmgr_func && + hwmgr->hwmgr_func->update_nbdpm_pstate) + hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr, + !enable, + true); + } + } +} + +void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable) +{ + int ret = 0; + + if (adev->family == AMDGPU_FAMILY_SI) { + mutex_lock(&adev->pm.mutex); + if (enable) { + adev->pm.dpm.vce_active = true; + /* XXX select vce level based on ring/task */ + adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL; + } else { + adev->pm.dpm.vce_active = false; + } + mutex_unlock(&adev->pm.mutex); + + amdgpu_pm_compute_clocks(adev); + } else { + ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable); + if (ret) + DRM_ERROR("Dpm %s vce failed, ret = %d. \n", + enable ? "enable" : "disable", ret); + } +} + +void amdgpu_pm_print_power_states(struct amdgpu_device *adev) +{ + int i; + + if (adev->powerplay.pp_funcs->print_power_state == NULL) + return; + + for (i = 0; i < adev->pm.dpm.num_ps; i++) + amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]); + +} + +void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable) +{ + int ret = 0; + + ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable); + if (ret) + DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n", + enable ? "enable" : "disable", ret); +} + +int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version) +{ + int r; + + if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) { + r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle); + if (r) { + pr_err("smu firmware loading failed\n"); + return r; + } + *smu_version = adev->pm.fw_version; + } + return 0; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h index 5a2344f..dff4a5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h @@ -548,4 +548,18 @@ int amdgpu_dpm_set_clockgating_by_smu(struct amdgpu_device *adev, int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev, bool acquire); +void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev); + +int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor, + void *data, uint32_t *size); + +void amdgpu_dpm_thermal_work_handler(struct work_struct *work); + +void amdgpu_pm_compute_clocks(struct amdgpu_device *adev); +void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable); +void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable); +void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable); +void amdgpu_pm_print_power_states(struct amdgpu_device *adev); +int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version); + #endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 65ad174..5fc6a9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -29,17 +29,14 @@ #include "amdgpu_drv.h" #include "amdgpu_pm.h" #include "amdgpu_dpm.h" -#include "amdgpu_display.h" #include "amdgpu_smu.h" #include "atom.h" -#include #include #include #include #include #include #include "hwmgr.h" -#define WIDTH_4K 3840 static const struct cg_flag_name clocks[] = { {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"}, @@ -81,45 +78,6 @@ static const struct hwmon_temp_label { {PP_TEMP_MEM, "mem"}, }; -void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) -{ - if (adev->pm.dpm_enabled) { - mutex_lock(&adev->pm.mutex); - if (power_supply_is_system_supplied() > 0) - adev->pm.ac_power = true; - else - adev->pm.ac_power = false; - if (adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->enable_bapm) - amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power); - mutex_unlock(&adev->pm.mutex); - - if (is_support_sw_smu(adev)) - smu_set_ac_dc(&adev->smu); - } -} - -int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor, - void *data, uint32_t *size) -{ - int ret = 0; - - if (!data || !size) - return -EINVAL; - - if (is_support_sw_smu(adev)) - ret = smu_read_sensor(&adev->smu, sensor, data, size); - else { - if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) - ret = adev->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, - sensor, data, size); - else - ret = -EINVAL; - } - - return ret; -} - /** * DOC: power_dpm_state * @@ -3425,338 +3383,6 @@ static const struct attribute_group *hwmon_groups[] = { NULL }; -void amdgpu_dpm_thermal_work_handler(struct work_struct *work) -{ - struct amdgpu_device *adev = - container_of(work, struct amdgpu_device, - pm.dpm.thermal.work); - /* switch to the thermal state */ - enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL; - int temp, size = sizeof(temp); - - if (!adev->pm.dpm_enabled) - return; - - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, - (void *)&temp, &size)) { - if (temp < adev->pm.dpm.thermal.min_temp) - /* switch back the user state */ - dpm_state = adev->pm.dpm.user_state; - } else { - if (adev->pm.dpm.thermal.high_to_low) - /* switch back the user state */ - dpm_state = adev->pm.dpm.user_state; - } - mutex_lock(&adev->pm.mutex); - if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL) - adev->pm.dpm.thermal_active = true; - else - adev->pm.dpm.thermal_active = false; - adev->pm.dpm.state = dpm_state; - mutex_unlock(&adev->pm.mutex); - - amdgpu_pm_compute_clocks(adev); -} - -static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev, - enum amd_pm_state_type dpm_state) -{ - int i; - struct amdgpu_ps *ps; - u32 ui_class; - bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ? - true : false; - - /* check if the vblank period is too short to adjust the mclk */ - if (single_display && adev->powerplay.pp_funcs->vblank_too_short) { - if (amdgpu_dpm_vblank_too_short(adev)) - single_display = false; - } - - /* certain older asics have a separare 3D performance state, - * so try that first if the user selected performance - */ - if (dpm_state == POWER_STATE_TYPE_PERFORMANCE) - dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF; - /* balanced states don't exist at the moment */ - if (dpm_state == POWER_STATE_TYPE_BALANCED) - dpm_state = POWER_STATE_TYPE_PERFORMANCE; - -restart_search: - /* Pick the best power state based on current conditions */ - for (i = 0; i < adev->pm.dpm.num_ps; i++) { - ps = &adev->pm.dpm.ps[i]; - ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK; - switch (dpm_state) { - /* user states */ - case POWER_STATE_TYPE_BATTERY: - if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) { - if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { - if (single_display) - return ps; - } else - return ps; - } - break; - case POWER_STATE_TYPE_BALANCED: - if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) { - if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { - if (single_display) - return ps; - } else - return ps; - } - break; - case POWER_STATE_TYPE_PERFORMANCE: - if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) { - if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { - if (single_display) - return ps; - } else - return ps; - } - break; - /* internal states */ - case POWER_STATE_TYPE_INTERNAL_UVD: - if (adev->pm.dpm.uvd_ps) - return adev->pm.dpm.uvd_ps; - else - break; - case POWER_STATE_TYPE_INTERNAL_UVD_SD: - if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_UVD_HD: - if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_UVD_HD2: - if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_UVD_MVC: - if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_BOOT: - return adev->pm.dpm.boot_ps; - case POWER_STATE_TYPE_INTERNAL_THERMAL: - if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_ACPI: - if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_ULV: - if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) - return ps; - break; - case POWER_STATE_TYPE_INTERNAL_3DPERF: - if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) - return ps; - break; - default: - break; - } - } - /* use a fallback state if we didn't match */ - switch (dpm_state) { - case POWER_STATE_TYPE_INTERNAL_UVD_SD: - dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD; - goto restart_search; - case POWER_STATE_TYPE_INTERNAL_UVD_HD: - case POWER_STATE_TYPE_INTERNAL_UVD_HD2: - case POWER_STATE_TYPE_INTERNAL_UVD_MVC: - if (adev->pm.dpm.uvd_ps) { - return adev->pm.dpm.uvd_ps; - } else { - dpm_state = POWER_STATE_TYPE_PERFORMANCE; - goto restart_search; - } - case POWER_STATE_TYPE_INTERNAL_THERMAL: - dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI; - goto restart_search; - case POWER_STATE_TYPE_INTERNAL_ACPI: - dpm_state = POWER_STATE_TYPE_BATTERY; - goto restart_search; - case POWER_STATE_TYPE_BATTERY: - case POWER_STATE_TYPE_BALANCED: - case POWER_STATE_TYPE_INTERNAL_3DPERF: - dpm_state = POWER_STATE_TYPE_PERFORMANCE; - goto restart_search; - default: - break; - } - - return NULL; -} - -static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev) -{ - struct amdgpu_ps *ps; - enum amd_pm_state_type dpm_state; - int ret; - bool equal = false; - - /* if dpm init failed */ - if (!adev->pm.dpm_enabled) - return; - - if (adev->pm.dpm.user_state != adev->pm.dpm.state) { - /* add other state override checks here */ - if ((!adev->pm.dpm.thermal_active) && - (!adev->pm.dpm.uvd_active)) - adev->pm.dpm.state = adev->pm.dpm.user_state; - } - dpm_state = adev->pm.dpm.state; - - ps = amdgpu_dpm_pick_power_state(adev, dpm_state); - if (ps) - adev->pm.dpm.requested_ps = ps; - else - return; - - if (amdgpu_dpm == 1 && adev->powerplay.pp_funcs->print_power_state) { - printk("switching from power state:\n"); - amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps); - printk("switching to power state:\n"); - amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps); - } - - /* update whether vce is active */ - ps->vce_active = adev->pm.dpm.vce_active; - if (adev->powerplay.pp_funcs->display_configuration_changed) - amdgpu_dpm_display_configuration_changed(adev); - - ret = amdgpu_dpm_pre_set_power_state(adev); - if (ret) - return; - - if (adev->powerplay.pp_funcs->check_state_equal) { - if (0 != amdgpu_dpm_check_state_equal(adev, adev->pm.dpm.current_ps, adev->pm.dpm.requested_ps, &equal)) - equal = false; - } - - if (equal) - return; - - amdgpu_dpm_set_power_state(adev); - amdgpu_dpm_post_set_power_state(adev); - - adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs; - adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count; - - if (adev->powerplay.pp_funcs->force_performance_level) { - if (adev->pm.dpm.thermal_active) { - enum amd_dpm_forced_level level = adev->pm.dpm.forced_level; - /* force low perf level for thermal */ - amdgpu_dpm_force_performance_level(adev, AMD_DPM_FORCED_LEVEL_LOW); - /* save the user's level */ - adev->pm.dpm.forced_level = level; - } else { - /* otherwise, user selected level */ - amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level); - } - } -} - -void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable) -{ - int ret = 0; - - if (adev->family == AMDGPU_FAMILY_SI) { - mutex_lock(&adev->pm.mutex); - if (enable) { - adev->pm.dpm.uvd_active = true; - adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD; - } else { - adev->pm.dpm.uvd_active = false; - } - mutex_unlock(&adev->pm.mutex); - - amdgpu_pm_compute_clocks(adev); - } else { - ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable); - if (ret) - DRM_ERROR("Dpm %s uvd failed, ret = %d. \n", - enable ? "enable" : "disable", ret); - - /* enable/disable Low Memory PState for UVD (4k videos) */ - if (adev->asic_type == CHIP_STONEY && - adev->uvd.decode_image_width >= WIDTH_4K) { - struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle; - - if (hwmgr && hwmgr->hwmgr_func && - hwmgr->hwmgr_func->update_nbdpm_pstate) - hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr, - !enable, - true); - } - } -} - -void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable) -{ - int ret = 0; - - if (adev->family == AMDGPU_FAMILY_SI) { - mutex_lock(&adev->pm.mutex); - if (enable) { - adev->pm.dpm.vce_active = true; - /* XXX select vce level based on ring/task */ - adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL; - } else { - adev->pm.dpm.vce_active = false; - } - mutex_unlock(&adev->pm.mutex); - - amdgpu_pm_compute_clocks(adev); - } else { - ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable); - if (ret) - DRM_ERROR("Dpm %s vce failed, ret = %d. \n", - enable ? "enable" : "disable", ret); - } -} - -void amdgpu_pm_print_power_states(struct amdgpu_device *adev) -{ - int i; - - if (adev->powerplay.pp_funcs->print_power_state == NULL) - return; - - for (i = 0; i < adev->pm.dpm.num_ps; i++) - amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]); - -} - -void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable) -{ - int ret = 0; - - ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable); - if (ret) - DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n", - enable ? "enable" : "disable", ret); -} - -int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version) -{ - int r; - - if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) { - r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle); - if (r) { - pr_err("smu firmware loading failed\n"); - return r; - } - *smu_version = adev->pm.fw_version; - } - return 0; -} - int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) { int ret; @@ -3817,55 +3443,6 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) amdgpu_device_attr_remove_groups(adev, &adev->pm.pm_attr_list); } -void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) -{ - int i = 0; - - if (!adev->pm.dpm_enabled) - return; - - if (adev->mode_info.num_crtc) - amdgpu_display_bandwidth_update(adev); - - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - if (ring && ring->sched.ready) - amdgpu_fence_wait_empty(ring); - } - - if (is_support_sw_smu(adev)) { - struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm; - smu_handle_task(&adev->smu, - smu_dpm->dpm_level, - AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, - true); - } else { - if (adev->powerplay.pp_funcs->dispatch_tasks) { - if (!amdgpu_device_has_dc_support(adev)) { - mutex_lock(&adev->pm.mutex); - amdgpu_dpm_get_active_displays(adev); - adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count; - adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev); - adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev); - /* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */ - if (adev->pm.pm_display_cfg.vrefresh > 120) - adev->pm.pm_display_cfg.min_vblank_time = 0; - if (adev->powerplay.pp_funcs->display_configuration_change) - adev->powerplay.pp_funcs->display_configuration_change( - adev->powerplay.pp_handle, - &adev->pm.pm_display_cfg); - mutex_unlock(&adev->pm.mutex); - } - amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL); - } else { - mutex_lock(&adev->pm.mutex); - amdgpu_dpm_get_active_displays(adev); - amdgpu_dpm_change_power_state_locked(adev); - mutex_unlock(&adev->pm.mutex); - } - } -} - /* * Debugfs info */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h index d9ae2b4..45a22e1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h @@ -79,18 +79,10 @@ struct amdgpu_device_attr_entry { amdgpu_get_##_name, NULL, \ _flags, ##__VA_ARGS__) -void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev); int amdgpu_pm_sysfs_init(struct amdgpu_device *adev); int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev); void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev); void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev); -void amdgpu_pm_print_power_states(struct amdgpu_device *adev); -int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version); -void amdgpu_pm_compute_clocks(struct amdgpu_device *adev); -void amdgpu_dpm_thermal_work_handler(struct work_struct *work); -void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable); -void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable); -void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable); int amdgpu_debugfs_pm_init(struct amdgpu_device *adev);