diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 1659 |
1 files changed, 0 insertions, 1659 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c deleted file mode 100644 index 7df503aedb69..000000000000 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ /dev/null @@ -1,1659 +0,0 @@ -/* - * 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: Rafał Miłecki <zajec5@gmail.com> - * Alex Deucher <alexdeucher@gmail.com> - */ -#include <drm/drmP.h> -#include "amdgpu.h" -#include "amdgpu_drv.h" -#include "amdgpu_pm.h" -#include "amdgpu_dpm.h" -#include "atom.h" -#include <linux/power_supply.h> -#include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> - -#include "amd_powerplay.h" - -static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev); - -static const struct cg_flag_name clocks[] = { - {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"}, - {AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"}, - {AMD_CG_SUPPORT_GFX_CGLS, "Graphics Coarse Grain memory Light Sleep"}, - {AMD_CG_SUPPORT_GFX_CGTS, "Graphics Coarse Grain Tree Shader Clock Gating"}, - {AMD_CG_SUPPORT_GFX_CGTS_LS, "Graphics Coarse Grain Tree Shader Light Sleep"}, - {AMD_CG_SUPPORT_GFX_CP_LS, "Graphics Command Processor Light Sleep"}, - {AMD_CG_SUPPORT_GFX_RLC_LS, "Graphics Run List Controller Light Sleep"}, - {AMD_CG_SUPPORT_GFX_3D_CGCG, "Graphics 3D Coarse Grain Clock Gating"}, - {AMD_CG_SUPPORT_GFX_3D_CGLS, "Graphics 3D Coarse Grain memory Light Sleep"}, - {AMD_CG_SUPPORT_MC_LS, "Memory Controller Light Sleep"}, - {AMD_CG_SUPPORT_MC_MGCG, "Memory Controller Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_SDMA_LS, "System Direct Memory Access Light Sleep"}, - {AMD_CG_SUPPORT_SDMA_MGCG, "System Direct Memory Access Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_BIF_MGCG, "Bus Interface Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_BIF_LS, "Bus Interface Light Sleep"}, - {AMD_CG_SUPPORT_UVD_MGCG, "Unified Video Decoder Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_VCE_MGCG, "Video Compression Engine Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_HDP_LS, "Host Data Path Light Sleep"}, - {AMD_CG_SUPPORT_HDP_MGCG, "Host Data Path Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_DRM_MGCG, "Digital Right Management Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_DRM_LS, "Digital Right Management Light Sleep"}, - {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"}, - {AMD_CG_SUPPORT_DF_MGCG, "Data Fabric Medium Grain Clock Gating"}, - {0, NULL}, -}; - -void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) -{ - if (adev->pp_enabled) - /* TODO */ - return; - - if (adev->pm.dpm_enabled) { - mutex_lock(&adev->pm.mutex); - if (power_supply_is_system_supplied() > 0) - adev->pm.dpm.ac_power = true; - else - adev->pm.dpm.ac_power = false; - if (adev->pm.funcs->enable_bapm) - amdgpu_dpm_enable_bapm(adev, adev->pm.dpm.ac_power); - mutex_unlock(&adev->pm.mutex); - } -} - -static ssize_t amdgpu_get_dpm_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; - enum amd_pm_state_type pm; - - if (adev->pp_enabled) { - pm = amdgpu_dpm_get_current_power_state(adev); - } else - pm = adev->pm.dpm.user_state; - - return snprintf(buf, PAGE_SIZE, "%s\n", - (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : - (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance"); -} - -static ssize_t amdgpu_set_dpm_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; - - if (strncmp("battery", buf, strlen("battery")) == 0) - state = POWER_STATE_TYPE_BATTERY; - else if (strncmp("balanced", buf, strlen("balanced")) == 0) - state = POWER_STATE_TYPE_BALANCED; - else if (strncmp("performance", buf, strlen("performance")) == 0) - state = POWER_STATE_TYPE_PERFORMANCE; - else { - count = -EINVAL; - goto fail; - } - - if (adev->pp_enabled) { - amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_ENABLE_USER_STATE, &state, NULL); - } else { - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.user_state = state; - mutex_unlock(&adev->pm.mutex); - - /* Can't set dpm state when the card is off */ - if (!(adev->flags & AMD_IS_PX) || - (ddev->switch_power_state == DRM_SWITCH_POWER_ON)) - amdgpu_pm_compute_clocks(adev); - } -fail: - return count; -} - -static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; - enum amd_dpm_forced_level level; - - if ((adev->flags & AMD_IS_PX) && - (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) - return snprintf(buf, PAGE_SIZE, "off\n"); - - 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" : - (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" : - (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" : - (level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) ? "profile_standard" : - (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) ? "profile_min_sclk" : - (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) ? "profile_min_mclk" : - (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) ? "profile_peak" : - "unknown"); -} - -static ssize_t amdgpu_set_dpm_forced_performance_level(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_dpm_forced_level level; - enum amd_dpm_forced_level current_level; - int ret = 0; - - /* Can't force performance level when the card is off */ - if ((adev->flags & AMD_IS_PX) && - (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) - return -EINVAL; - - current_level = amdgpu_dpm_get_performance_level(adev); - - if (strncmp("low", buf, strlen("low")) == 0) { - level = AMD_DPM_FORCED_LEVEL_LOW; - } else if (strncmp("high", buf, strlen("high")) == 0) { - level = AMD_DPM_FORCED_LEVEL_HIGH; - } else if (strncmp("auto", buf, strlen("auto")) == 0) { - level = AMD_DPM_FORCED_LEVEL_AUTO; - } else if (strncmp("manual", buf, strlen("manual")) == 0) { - level = AMD_DPM_FORCED_LEVEL_MANUAL; - } else if (strncmp("profile_exit", buf, strlen("profile_exit")) == 0) { - level = AMD_DPM_FORCED_LEVEL_PROFILE_EXIT; - } else if (strncmp("profile_standard", buf, strlen("profile_standard")) == 0) { - level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD; - } else if (strncmp("profile_min_sclk", buf, strlen("profile_min_sclk")) == 0) { - level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK; - } else if (strncmp("profile_min_mclk", buf, strlen("profile_min_mclk")) == 0) { - level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK; - } else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) { - level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; - } else { - count = -EINVAL; - goto fail; - } - - if (current_level == level) - return count; - - if (adev->pp_enabled) - amdgpu_dpm_force_performance_level(adev, level); - else { - mutex_lock(&adev->pm.mutex); - if (adev->pm.dpm.thermal_active) { - count = -EINVAL; - mutex_unlock(&adev->pm.mutex); - goto fail; - } - ret = amdgpu_dpm_force_performance_level(adev, level); - if (ret) - count = -EINVAL; - else - adev->pm.dpm.forced_level = level; - mutex_unlock(&adev->pm.mutex); - } - -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; - unsigned long idx; - int ret; - - if (strlen(buf) == 1) - adev->pp_force_state_enabled = false; - else if (adev->pp_enabled) { - struct pp_states_info data; - - ret = kstrtoul(buf, 0, &idx); - if (ret || idx >= ARRAY_SIZE(data.states)) { - count = -EINVAL; - goto fail; - } - - 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; - - if (adev->pp_enabled) - size = amdgpu_dpm_get_pp_table(adev, &table); - else - return 0; - - if (size >= PAGE_SIZE) - size = PAGE_SIZE - 1; - - memcpy(buf, table, size); - - 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); - else if (adev->pm.funcs->print_clock_levels) - size = adev->pm.funcs->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; - uint32_t i, mask = 0; - char sub_str[2]; - - for (i = 0; i < strlen(buf); i++) { - if (*(buf + i) == '\n') - continue; - sub_str[0] = *(buf + i); - sub_str[1] = '\0'; - ret = kstrtol(sub_str, 0, &level); - - if (ret) { - count = -EINVAL; - goto fail; - } - mask |= 1 << level; - } - - if (adev->pp_enabled) - amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask); - else if (adev->pm.funcs->force_clock_level) - adev->pm.funcs->force_clock_level(adev, PP_SCLK, mask); -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); - else if (adev->pm.funcs->print_clock_levels) - size = adev->pm.funcs->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; - uint32_t i, mask = 0; - char sub_str[2]; - - for (i = 0; i < strlen(buf); i++) { - if (*(buf + i) == '\n') - continue; - sub_str[0] = *(buf + i); - sub_str[1] = '\0'; - ret = kstrtol(sub_str, 0, &level); - - if (ret) { - count = -EINVAL; - goto fail; - } - mask |= 1 << level; - } - - if (adev->pp_enabled) - amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask); - else if (adev->pm.funcs->force_clock_level) - adev->pm.funcs->force_clock_level(adev, PP_MCLK, mask); -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); - else if (adev->pm.funcs->print_clock_levels) - size = adev->pm.funcs->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; - uint32_t i, mask = 0; - char sub_str[2]; - - for (i = 0; i < strlen(buf); i++) { - if (*(buf + i) == '\n') - continue; - sub_str[0] = *(buf + i); - sub_str[1] = '\0'; - ret = kstrtol(sub_str, 0, &level); - - if (ret) { - count = -EINVAL; - goto fail; - } - mask |= 1 << level; - } - - if (adev->pp_enabled) - amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask); - else if (adev->pm.funcs->force_clock_level) - adev->pm.funcs->force_clock_level(adev, PP_PCIE, mask); -fail: - return count; -} - -static ssize_t amdgpu_get_pp_sclk_od(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; - uint32_t value = 0; - - if (adev->pp_enabled) - value = amdgpu_dpm_get_sclk_od(adev); - else if (adev->pm.funcs->get_sclk_od) - value = adev->pm.funcs->get_sclk_od(adev); - - return snprintf(buf, PAGE_SIZE, "%d\n", value); -} - -static ssize_t amdgpu_set_pp_sclk_od(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 int value; - - ret = kstrtol(buf, 0, &value); - - if (ret) { - count = -EINVAL; - goto fail; - } - - if (adev->pp_enabled) { - amdgpu_dpm_set_sclk_od(adev, (uint32_t)value); - amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_READJUST_POWER_STATE, NULL, NULL); - } else if (adev->pm.funcs->set_sclk_od) { - adev->pm.funcs->set_sclk_od(adev, (uint32_t)value); - adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps; - amdgpu_pm_compute_clocks(adev); - } - -fail: - return count; -} - -static ssize_t amdgpu_get_pp_mclk_od(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; - uint32_t value = 0; - - if (adev->pp_enabled) - value = amdgpu_dpm_get_mclk_od(adev); - else if (adev->pm.funcs->get_mclk_od) - value = adev->pm.funcs->get_mclk_od(adev); - - return snprintf(buf, PAGE_SIZE, "%d\n", value); -} - -static ssize_t amdgpu_set_pp_mclk_od(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 int value; - - ret = kstrtol(buf, 0, &value); - - if (ret) { - count = -EINVAL; - goto fail; - } - - if (adev->pp_enabled) { - amdgpu_dpm_set_mclk_od(adev, (uint32_t)value); - amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_READJUST_POWER_STATE, NULL, NULL); - } else if (adev->pm.funcs->set_mclk_od) { - adev->pm.funcs->set_mclk_od(adev, (uint32_t)value); - adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps; - amdgpu_pm_compute_clocks(adev); - } - -fail: - return count; -} - -static ssize_t amdgpu_get_pp_power_profile(struct device *dev, - char *buf, struct amd_pp_profile *query) -{ - struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; - int ret = 0; - - if (adev->pp_enabled) - ret = amdgpu_dpm_get_power_profile_state( - adev, query); - else if (adev->pm.funcs->get_power_profile_state) - ret = adev->pm.funcs->get_power_profile_state( - adev, query); - - if (ret) - return ret; - - return snprintf(buf, PAGE_SIZE, - "%d %d %d %d %d\n", - query->min_sclk / 100, - query->min_mclk / 100, - query->activity_threshold, - query->up_hyst, - query->down_hyst); -} - -static ssize_t amdgpu_get_pp_gfx_power_profile(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amd_pp_profile query = {0}; - - query.type = AMD_PP_GFX_PROFILE; - - return amdgpu_get_pp_power_profile(dev, buf, &query); -} - -static ssize_t amdgpu_get_pp_compute_power_profile(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amd_pp_profile query = {0}; - - query.type = AMD_PP_COMPUTE_PROFILE; - - return amdgpu_get_pp_power_profile(dev, buf, &query); -} - -static ssize_t amdgpu_set_pp_power_profile(struct device *dev, - const char *buf, - size_t count, - struct amd_pp_profile *request) -{ - struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; - uint32_t loop = 0; - char *sub_str, buf_cpy[128], *tmp_str; - const char delimiter[3] = {' ', '\n', '\0'}; - long int value; - int ret = 0; - - if (strncmp("reset", buf, strlen("reset")) == 0) { - if (adev->pp_enabled) - ret = amdgpu_dpm_reset_power_profile_state( - adev, request); - else if (adev->pm.funcs->reset_power_profile_state) - ret = adev->pm.funcs->reset_power_profile_state( - adev, request); - if (ret) { - count = -EINVAL; - goto fail; - } - return count; - } - - if (strncmp("set", buf, strlen("set")) == 0) { - if (adev->pp_enabled) - ret = amdgpu_dpm_set_power_profile_state( - adev, request); - else if (adev->pm.funcs->set_power_profile_state) - ret = adev->pm.funcs->set_power_profile_state( - adev, request); - if (ret) { - count = -EINVAL; - goto fail; - } - return count; - } - - if (count + 1 >= 128) { - count = -EINVAL; - goto fail; - } - - memcpy(buf_cpy, buf, count + 1); - tmp_str = buf_cpy; - - while (tmp_str[0]) { - sub_str = strsep(&tmp_str, delimiter); - ret = kstrtol(sub_str, 0, &value); - if (ret) { - count = -EINVAL; - goto fail; - } - - switch (loop) { - case 0: - /* input unit MHz convert to dpm table unit 10KHz*/ - request->min_sclk = (uint32_t)value * 100; - break; - case 1: - /* input unit MHz convert to dpm table unit 10KHz*/ - request->min_mclk = (uint32_t)value * 100; - break; - case 2: - request->activity_threshold = (uint16_t)value; - break; - case 3: - request->up_hyst = (uint8_t)value; - break; - case 4: - request->down_hyst = (uint8_t)value; - break; - default: - break; - } - - loop++; - } - - if (adev->pp_enabled) - ret = amdgpu_dpm_set_power_profile_state( - adev, request); - else if (adev->pm.funcs->set_power_profile_state) - ret = adev->pm.funcs->set_power_profile_state( - adev, request); - - if (ret) - count = -EINVAL; - -fail: - return count; -} - -static ssize_t amdgpu_set_pp_gfx_power_profile(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct amd_pp_profile request = {0}; - - request.type = AMD_PP_GFX_PROFILE; - - return amdgpu_set_pp_power_profile(dev, buf, count, &request); -} - -static ssize_t amdgpu_set_pp_compute_power_profile(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct amd_pp_profile request = {0}; - - request.type = AMD_PP_COMPUTE_PROFILE; - - return amdgpu_set_pp_power_profile(dev, buf, count, &request); -} - -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 DEVICE_ATTR(pp_sclk_od, S_IRUGO | S_IWUSR, - amdgpu_get_pp_sclk_od, - amdgpu_set_pp_sclk_od); -static DEVICE_ATTR(pp_mclk_od, S_IRUGO | S_IWUSR, - amdgpu_get_pp_mclk_od, - amdgpu_set_pp_mclk_od); -static DEVICE_ATTR(pp_gfx_power_profile, S_IRUGO | S_IWUSR, - amdgpu_get_pp_gfx_power_profile, - amdgpu_set_pp_gfx_power_profile); -static DEVICE_ATTR(pp_compute_power_profile, S_IRUGO | S_IWUSR, - amdgpu_get_pp_compute_power_profile, - amdgpu_set_pp_compute_power_profile); - -static ssize_t amdgpu_hwmon_show_temp(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - struct drm_device *ddev = adev->ddev; - int temp; - - /* Can't get temperature when the card is off */ - if ((adev->flags & AMD_IS_PX) && - (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) - return -EINVAL; - - if (!adev->pp_enabled && !adev->pm.funcs->get_temperature) - temp = 0; - else - temp = amdgpu_dpm_get_temperature(adev); - - return snprintf(buf, PAGE_SIZE, "%d\n", temp); -} - -static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - int hyst = to_sensor_dev_attr(attr)->index; - int temp; - - if (hyst) - temp = adev->pm.dpm.thermal.min_temp; - else - temp = adev->pm.dpm.thermal.max_temp; - - return snprintf(buf, PAGE_SIZE, "%d\n", temp); -} - -static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - u32 pwm_mode = 0; - - if (!adev->pp_enabled && !adev->pm.funcs->get_fan_control_mode) - return -EINVAL; - - pwm_mode = amdgpu_dpm_get_fan_control_mode(adev); - - return sprintf(buf, "%i\n", pwm_mode); -} - -static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - int err; - int value; - - if (!adev->pp_enabled && !adev->pm.funcs->set_fan_control_mode) - return -EINVAL; - - err = kstrtoint(buf, 10, &value); - if (err) - return err; - - amdgpu_dpm_set_fan_control_mode(adev, value); - - return count; -} - -static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%i\n", 0); -} - -static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%i\n", 255); -} - -static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - int err; - u32 value; - - err = kstrtou32(buf, 10, &value); - if (err) - return err; - - value = (value * 100) / 255; - - err = amdgpu_dpm_set_fan_speed_percent(adev, value); - if (err) - return err; - - return count; -} - -static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - int err; - u32 speed; - - err = amdgpu_dpm_get_fan_speed_percent(adev, &speed); - if (err) - return err; - - speed = (speed * 255) / 100; - - return sprintf(buf, "%i\n", speed); -} - -static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct amdgpu_device *adev = dev_get_drvdata(dev); - int err; - u32 speed; - - err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed); - if (err) - return err; - - return sprintf(buf, "%i\n", speed); -} - -static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, 0); -static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0); -static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1); -static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu_hwmon_set_pwm1, 0); -static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0); -static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0); -static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0); -static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0); - -static struct attribute *hwmon_attributes[] = { - &sensor_dev_attr_temp1_input.dev_attr.attr, - &sensor_dev_attr_temp1_crit.dev_attr.attr, - &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, - &sensor_dev_attr_pwm1.dev_attr.attr, - &sensor_dev_attr_pwm1_enable.dev_attr.attr, - &sensor_dev_attr_pwm1_min.dev_attr.attr, - &sensor_dev_attr_pwm1_max.dev_attr.attr, - &sensor_dev_attr_fan1_input.dev_attr.attr, - NULL -}; - -static umode_t hwmon_attributes_visible(struct kobject *kobj, - struct attribute *attr, int index) -{ - struct device *dev = kobj_to_dev(kobj); - struct amdgpu_device *adev = dev_get_drvdata(dev); - umode_t effective_mode = attr->mode; - - /* Skip limit attributes if DPM is not enabled */ - if (!adev->pm.dpm_enabled && - (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr || - attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr || - attr == &sensor_dev_attr_pwm1.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) - return 0; - - if (adev->pp_enabled) - return effective_mode; - - /* Skip fan attributes if fan is not present */ - if (adev->pm.no_fan && - (attr == &sensor_dev_attr_pwm1.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) - return 0; - - /* mask fan attributes if we have no bindings for this asic to expose */ - if ((!adev->pm.funcs->get_fan_speed_percent && - attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */ - (!adev->pm.funcs->get_fan_control_mode && - attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */ - effective_mode &= ~S_IRUGO; - - if ((!adev->pm.funcs->set_fan_speed_percent && - attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */ - (!adev->pm.funcs->set_fan_control_mode && - attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */ - effective_mode &= ~S_IWUSR; - - /* hide max/min values if we can't both query and manage the fan */ - if ((!adev->pm.funcs->set_fan_speed_percent && - !adev->pm.funcs->get_fan_speed_percent) && - (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || - attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) - return 0; - - /* requires powerplay */ - if (attr == &sensor_dev_attr_fan1_input.dev_attr.attr) - return 0; - - return effective_mode; -} - -static const struct attribute_group hwmon_attrgroup = { - .attrs = hwmon_attributes, - .is_visible = hwmon_attributes_visible, -}; - -static const struct attribute_group *hwmon_groups[] = { - &hwmon_attrgroup, - 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; - - if (!adev->pm.dpm_enabled) - return; - - if (adev->pm.funcs->get_temperature) { - int temp = amdgpu_dpm_get_temperature(adev); - - 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->pm.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; - - /* 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) { - 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; - - amdgpu_dpm_display_configuration_changed(adev); - - ret = amdgpu_dpm_pre_set_power_state(adev); - if (ret) - return; - - if ((0 != amgdpu_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->pm.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) -{ - if (adev->pp_enabled || adev->pm.funcs->powergate_uvd) { - /* enable/disable UVD */ - mutex_lock(&adev->pm.mutex); - amdgpu_dpm_powergate_uvd(adev, !enable); - mutex_unlock(&adev->pm.mutex); - } else { - if (enable) { - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.uvd_active = true; - adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD; - mutex_unlock(&adev->pm.mutex); - } else { - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.uvd_active = false; - mutex_unlock(&adev->pm.mutex); - } - amdgpu_pm_compute_clocks(adev); - } -} - -void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable) -{ - if (adev->pp_enabled || adev->pm.funcs->powergate_vce) { - /* enable/disable VCE */ - mutex_lock(&adev->pm.mutex); - amdgpu_dpm_powergate_vce(adev, !enable); - mutex_unlock(&adev->pm.mutex); - } else { - if (enable) { - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.vce_active = true; - /* XXX select vce level based on ring/task */ - adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL; - mutex_unlock(&adev->pm.mutex); - amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, - AMD_CG_STATE_UNGATE); - amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, - AMD_PG_STATE_UNGATE); - amdgpu_pm_compute_clocks(adev); - } else { - amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, - AMD_PG_STATE_GATE); - amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, - AMD_CG_STATE_GATE); - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.vce_active = false; - mutex_unlock(&adev->pm.mutex); - amdgpu_pm_compute_clocks(adev); - } - - } -} - -void amdgpu_pm_print_power_states(struct amdgpu_device *adev) -{ - int i; - - if (adev->pp_enabled) - /* TO DO */ - return; - - for (i = 0; i < adev->pm.dpm.num_ps; i++) - amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]); - -} - -int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) -{ - int ret; - - if (adev->pm.sysfs_initialized) - return 0; - - if (!adev->pp_enabled) { - if (adev->pm.funcs->get_temperature == NULL) - return 0; - } - - adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev, - DRIVER_NAME, adev, - hwmon_groups); - if (IS_ERR(adev->pm.int_hwmon_dev)) { - ret = PTR_ERR(adev->pm.int_hwmon_dev); - dev_err(adev->dev, - "Unable to register hwmon device: %d\n", ret); - return ret; - } - - ret = device_create_file(adev->dev, &dev_attr_power_dpm_state); - if (ret) { - DRM_ERROR("failed to create device file for dpm state\n"); - return ret; - } - ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level); - if (ret) { - 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 = device_create_file(adev->dev, &dev_attr_pp_sclk_od); - if (ret) { - DRM_ERROR("failed to create device file pp_sclk_od\n"); - return ret; - } - ret = device_create_file(adev->dev, &dev_attr_pp_mclk_od); - if (ret) { - DRM_ERROR("failed to create device file pp_mclk_od\n"); - return ret; - } - ret = device_create_file(adev->dev, - &dev_attr_pp_gfx_power_profile); - if (ret) { - DRM_ERROR("failed to create device file " - "pp_gfx_power_profile\n"); - return ret; - } - ret = device_create_file(adev->dev, - &dev_attr_pp_compute_power_profile); - if (ret) { - DRM_ERROR("failed to create device file " - "pp_compute_power_profile\n"); - return ret; - } - - ret = amdgpu_debugfs_pm_init(adev); - if (ret) { - DRM_ERROR("Failed to register debugfs file for dpm!\n"); - return ret; - } - - adev->pm.sysfs_initialized = true; - - return 0; -} - -void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) -{ - if (adev->pm.int_hwmon_dev) - 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); - device_remove_file(adev->dev, &dev_attr_pp_sclk_od); - device_remove_file(adev->dev, &dev_attr_pp_mclk_od); - device_remove_file(adev->dev, - &dev_attr_pp_gfx_power_profile); - device_remove_file(adev->dev, - &dev_attr_pp_compute_power_profile); -} - -void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) -{ - struct drm_device *ddev = adev->ddev; - struct drm_crtc *crtc; - struct amdgpu_crtc *amdgpu_crtc; - 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->ready) - amdgpu_fence_wait_empty(ring); - } - - if (adev->pp_enabled) { - amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE, NULL, NULL); - } else { - mutex_lock(&adev->pm.mutex); - adev->pm.dpm.new_active_crtcs = 0; - adev->pm.dpm.new_active_crtc_count = 0; - if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { - list_for_each_entry(crtc, - &ddev->mode_config.crtc_list, head) { - amdgpu_crtc = to_amdgpu_crtc(crtc); - if (crtc->enabled) { - adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id); - adev->pm.dpm.new_active_crtc_count++; - } - } - } - /* update battery/ac status */ - if (power_supply_is_system_supplied() > 0) - adev->pm.dpm.ac_power = true; - else - adev->pm.dpm.ac_power = false; - - amdgpu_dpm_change_power_state_locked(adev); - - mutex_unlock(&adev->pm.mutex); - } -} - -/* - * Debugfs info - */ -#if defined(CONFIG_DEBUG_FS) - -static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev) -{ - uint32_t value; - struct pp_gpu_power query = {0}; - int size; - - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - - /* GPU Clocks */ - size = sizeof(value); - seq_printf(m, "GFX Clocks and Power:\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (MCLK)\n", value/100); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (SCLK)\n", value/100); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size)) - seq_printf(m, "\t%u mV (VDDGFX)\n", value); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size)) - seq_printf(m, "\t%u mV (VDDNB)\n", value); - size = sizeof(query); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size)) { - seq_printf(m, "\t%u.%u W (VDDC)\n", query.vddc_power >> 8, - query.vddc_power & 0xff); - seq_printf(m, "\t%u.%u W (VDDCI)\n", query.vddci_power >> 8, - query.vddci_power & 0xff); - seq_printf(m, "\t%u.%u W (max GPU)\n", query.max_gpu_power >> 8, - query.max_gpu_power & 0xff); - seq_printf(m, "\t%u.%u W (average GPU)\n", query.average_gpu_power >> 8, - query.average_gpu_power & 0xff); - } - size = sizeof(value); - seq_printf(m, "\n"); - - /* GPU Temp */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&value, &size)) - seq_printf(m, "GPU Temperature: %u C\n", value/1000); - - /* GPU Load */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size)) - seq_printf(m, "GPU Load: %u %%\n", value); - seq_printf(m, "\n"); - - /* UVD clocks */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) { - if (!value) { - seq_printf(m, "UVD: Disabled\n"); - } else { - seq_printf(m, "UVD: Enabled\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (DCLK)\n", value/100); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (VCLK)\n", value/100); - } - } - seq_printf(m, "\n"); - - /* VCE clocks */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) { - if (!value) { - seq_printf(m, "VCE: Disabled\n"); - } else { - seq_printf(m, "VCE: Enabled\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (ECCLK)\n", value/100); - } - } - - return 0; -} - -static void amdgpu_parse_cg_state(struct seq_file *m, u32 flags) -{ - int i; - - for (i = 0; clocks[i].flag; i++) - seq_printf(m, "\t%s: %s\n", clocks[i].name, - (flags & clocks[i].flag) ? "On" : "Off"); -} - -static int amdgpu_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 amdgpu_device *adev = dev->dev_private; - struct drm_device *ddev = adev->ddev; - u32 flags = 0; - - amdgpu_get_clockgating_state(adev, &flags); - seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags); - amdgpu_parse_cg_state(m, flags); - seq_printf(m, "\n"); - - if (!adev->pm.dpm_enabled) { - seq_printf(m, "dpm not enabled\n"); - return 0; - } - if ((adev->flags & AMD_IS_PX) && - (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) { - seq_printf(m, "PX asic powered off\n"); - } else if (adev->pp_enabled) { - return amdgpu_debugfs_pm_info_pp(m, adev); - } else { - mutex_lock(&adev->pm.mutex); - if (adev->pm.funcs->debugfs_print_current_performance_level) - adev->pm.funcs->debugfs_print_current_performance_level(adev, m); - else - seq_printf(m, "Debugfs support not implemented for this asic\n"); - mutex_unlock(&adev->pm.mutex); - } - - return 0; -} - -static const struct drm_info_list amdgpu_pm_info_list[] = { - {"amdgpu_pm_info", amdgpu_debugfs_pm_info, 0, NULL}, -}; -#endif - -static int amdgpu_debugfs_pm_init(struct amdgpu_device *adev) -{ -#if defined(CONFIG_DEBUG_FS) - return amdgpu_debugfs_add_files(adev, amdgpu_pm_info_list, ARRAY_SIZE(amdgpu_pm_info_list)); -#else - return 0; -#endif -} |