diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 355 |
1 files changed, 341 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 95a4a25d8df9..ff9597ce268c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -123,7 +123,9 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev, level = amdgpu_dpm_get_performance_level(adev); return snprintf(buf, PAGE_SIZE, "%s\n", (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" : - (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" : "high"); + (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" : + (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" : + (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" : "unknown"); } else { enum amdgpu_dpm_forced_level level; @@ -155,6 +157,8 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, level = AMDGPU_DPM_FORCED_LEVEL_HIGH; } else if (strncmp("auto", buf, strlen("auto")) == 0) { level = AMDGPU_DPM_FORCED_LEVEL_AUTO; + } else if (strncmp("manual", buf, strlen("manual")) == 0) { + level = AMDGPU_DPM_FORCED_LEVEL_MANUAL; } else { count = -EINVAL; goto fail; @@ -180,10 +184,293 @@ fail: return count; } +static ssize_t amdgpu_get_pp_num_states(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + struct pp_states_info data; + int i, buf_len; + + if (adev->pp_enabled) + amdgpu_dpm_get_pp_num_states(adev, &data); + + buf_len = snprintf(buf, PAGE_SIZE, "states: %d\n", data.nums); + for (i = 0; i < data.nums; i++) + buf_len += snprintf(buf + buf_len, PAGE_SIZE, "%d %s\n", i, + (data.states[i] == POWER_STATE_TYPE_INTERNAL_BOOT) ? "boot" : + (data.states[i] == POWER_STATE_TYPE_BATTERY) ? "battery" : + (data.states[i] == POWER_STATE_TYPE_BALANCED) ? "balanced" : + (data.states[i] == POWER_STATE_TYPE_PERFORMANCE) ? "performance" : "default"); + + return buf_len; +} + +static ssize_t amdgpu_get_pp_cur_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + struct pp_states_info data; + enum amd_pm_state_type pm = 0; + int i = 0; + + if (adev->pp_enabled) { + + pm = amdgpu_dpm_get_current_power_state(adev); + amdgpu_dpm_get_pp_num_states(adev, &data); + + for (i = 0; i < data.nums; i++) { + if (pm == data.states[i]) + break; + } + + if (i == data.nums) + i = -EINVAL; + } + + return snprintf(buf, PAGE_SIZE, "%d\n", i); +} + +static ssize_t amdgpu_get_pp_force_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + struct pp_states_info data; + enum amd_pm_state_type pm = 0; + int i; + + if (adev->pp_force_state_enabled && adev->pp_enabled) { + pm = amdgpu_dpm_get_current_power_state(adev); + amdgpu_dpm_get_pp_num_states(adev, &data); + + for (i = 0; i < data.nums; i++) { + if (pm == data.states[i]) + break; + } + + if (i == data.nums) + i = -EINVAL; + + return snprintf(buf, PAGE_SIZE, "%d\n", i); + + } else + return snprintf(buf, PAGE_SIZE, "\n"); +} + +static ssize_t amdgpu_set_pp_force_state(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + enum amd_pm_state_type state = 0; + long idx; + int ret; + + if (strlen(buf) == 1) + adev->pp_force_state_enabled = false; + else { + ret = kstrtol(buf, 0, &idx); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) { + struct pp_states_info data; + amdgpu_dpm_get_pp_num_states(adev, &data); + state = data.states[idx]; + /* only set user selected power states */ + if (state != POWER_STATE_TYPE_INTERNAL_BOOT && + state != POWER_STATE_TYPE_DEFAULT) { + amdgpu_dpm_dispatch_task(adev, + AMD_PP_EVENT_ENABLE_USER_STATE, &state, NULL); + adev->pp_force_state_enabled = true; + } + } + } +fail: + return count; +} + +static ssize_t amdgpu_get_pp_table(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + char *table = NULL; + int size, i; + + if (adev->pp_enabled) + size = amdgpu_dpm_get_pp_table(adev, &table); + else + return 0; + + if (size >= PAGE_SIZE) + size = PAGE_SIZE - 1; + + for (i = 0; i < size; i++) { + sprintf(buf + i, "%02x", table[i]); + } + sprintf(buf + i, "\n"); + + return size; +} + +static ssize_t amdgpu_set_pp_table(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + + if (adev->pp_enabled) + amdgpu_dpm_set_pp_table(adev, buf, count); + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + ssize_t size = 0; + + if (adev->pp_enabled) + size = amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + int ret; + long level; + + ret = kstrtol(buf, 0, &level); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) + amdgpu_dpm_force_clock_level(adev, PP_SCLK, level); +fail: + return count; +} + +static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + ssize_t size = 0; + + if (adev->pp_enabled) + size = amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + int ret; + long level; + + ret = kstrtol(buf, 0, &level); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) + amdgpu_dpm_force_clock_level(adev, PP_MCLK, level); +fail: + return count; +} + +static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + ssize_t size = 0; + + if (adev->pp_enabled) + size = amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + int ret; + long level; + + ret = kstrtol(buf, 0, &level); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) + amdgpu_dpm_force_clock_level(adev, PP_PCIE, level); +fail: + return count; +} + static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state); static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR, amdgpu_get_dpm_forced_performance_level, amdgpu_set_dpm_forced_performance_level); +static DEVICE_ATTR(pp_num_states, S_IRUGO, amdgpu_get_pp_num_states, NULL); +static DEVICE_ATTR(pp_cur_state, S_IRUGO, amdgpu_get_pp_cur_state, NULL); +static DEVICE_ATTR(pp_force_state, S_IRUGO | S_IWUSR, + amdgpu_get_pp_force_state, + amdgpu_set_pp_force_state); +static DEVICE_ATTR(pp_table, S_IRUGO | S_IWUSR, + amdgpu_get_pp_table, + amdgpu_set_pp_table); +static DEVICE_ATTR(pp_dpm_sclk, S_IRUGO | S_IWUSR, + amdgpu_get_pp_dpm_sclk, + amdgpu_set_pp_dpm_sclk); +static DEVICE_ATTR(pp_dpm_mclk, S_IRUGO | S_IWUSR, + amdgpu_get_pp_dpm_mclk, + amdgpu_set_pp_dpm_mclk); +static DEVICE_ATTR(pp_dpm_pcie, S_IRUGO | S_IWUSR, + amdgpu_get_pp_dpm_pcie, + amdgpu_set_pp_dpm_pcie); static ssize_t amdgpu_hwmon_show_temp(struct device *dev, struct device_attribute *attr, @@ -637,14 +924,12 @@ force: amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps); } - mutex_lock(&adev->ring_lock); - /* update whether vce is active */ ps->vce_active = adev->pm.dpm.vce_active; ret = amdgpu_dpm_pre_set_power_state(adev); if (ret) - goto done; + return; /* update display watermarks based on new power state */ amdgpu_display_bandwidth_update(adev); @@ -682,9 +967,6 @@ force: amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level); } } - -done: - mutex_unlock(&adev->ring_lock); } void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable) @@ -785,6 +1067,44 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) DRM_ERROR("failed to create device file for dpm state\n"); return ret; } + + if (adev->pp_enabled) { + ret = device_create_file(adev->dev, &dev_attr_pp_num_states); + if (ret) { + DRM_ERROR("failed to create device file pp_num_states\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_cur_state); + if (ret) { + DRM_ERROR("failed to create device file pp_cur_state\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_force_state); + if (ret) { + DRM_ERROR("failed to create device file pp_force_state\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_table); + if (ret) { + DRM_ERROR("failed to create device file pp_table\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_sclk\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_mclk\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_pcie\n"); + return ret; + } + } ret = amdgpu_debugfs_pm_init(adev); if (ret) { DRM_ERROR("Failed to register debugfs file for dpm!\n"); @@ -802,6 +1122,15 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) hwmon_device_unregister(adev->pm.int_hwmon_dev); device_remove_file(adev->dev, &dev_attr_power_dpm_state); device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level); + if (adev->pp_enabled) { + device_remove_file(adev->dev, &dev_attr_pp_num_states); + device_remove_file(adev->dev, &dev_attr_pp_cur_state); + device_remove_file(adev->dev, &dev_attr_pp_force_state); + device_remove_file(adev->dev, &dev_attr_pp_table); + device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk); + device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk); + device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie); + } } void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) @@ -817,13 +1146,11 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) int i = 0; amdgpu_display_bandwidth_update(adev); - mutex_lock(&adev->ring_lock); - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - if (ring && ring->ready) - amdgpu_fence_wait_empty(ring); - } - mutex_unlock(&adev->ring_lock); + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + if (ring && ring->ready) + amdgpu_fence_wait_empty(ring); + } amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE, NULL, NULL); } else { |