drivers/gpu/arm/b_r16p0/platform/exynos/gpu_pmqos.c

   1 /* drivers/gpu/arm/.../platform/gpu_pmqos.c
   2  *
   3  * Copyright 2011 by S.LSI. Samsung Electronics Inc.
   4  * San#24, Nongseo-Dong, Giheung-Gu, Yongin, Korea
   5  *
   6  * Samsung SoC Mali-T Series DVFS driver
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software FoundatIon.
  11  */
  12
  13 /**
  14  * @file gpu_pmqos.c
  15  * DVFS
  16  */
  17
  18 #include <mali_kbase.h>
  19
  20 #include <linux/pm_qos.h>
  21
  22 #include "mali_kbase_platform.h"
  23 #include "gpu_dvfs_handler.h"
  24
  25 #if defined(PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE)
  26 #define PM_QOS_CPU_CLUSTER_NUM 3
  27 #else
  28 #define PM_QOS_CPU_CLUSTER_NUM 2
  29 #ifndef PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE
  30 #define PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE INT_MAX
  31 #endif
  32 #endif
  33
  34 struct pm_qos_request exynos5_g3d_mif_min_qos;
  35 struct pm_qos_request exynos5_g3d_mif_max_qos;
  36 struct pm_qos_request exynos5_g3d_cpu_cluster0_min_qos;
  37 struct pm_qos_request exynos5_g3d_cpu_cluster1_max_qos;
  38 struct pm_qos_request exynos5_g3d_cpu_cluster1_min_qos;
  39 #if PM_QOS_CPU_CLUSTER_NUM == 3
  40 struct pm_qos_request exynos5_g3d_cpu_cluster2_max_qos;
  41 struct pm_qos_request exynos5_g3d_cpu_cluster2_min_qos;
  42 #endif
  43
  44 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
  45 struct pm_qos_request exynos5_g3d_cpu_cluster0_max_qos;
  46 #endif
  47
  48 extern struct kbase_device *pkbdev;
  49
  50 #ifdef CONFIG_MALI_PM_QOS
  51 int gpu_pm_qos_command(struct exynos_context *platform, gpu_pmqos_state state)
  52 {
  53         int idx;
  54
  55         DVFS_ASSERT(platform);
  56
  57 #ifdef CONFIG_MALI_ASV_CALIBRATION_SUPPORT
  58         if (platform->gpu_auto_cali_status)
  59                 return 0;
  60 #endif
  61
  62         switch (state) {
  63         case GPU_CONTROL_PM_QOS_INIT:
  64                 pm_qos_add_request(&exynos5_g3d_mif_min_qos, PM_QOS_BUS_THROUGHPUT, 0);
  65                 if (platform->pmqos_mif_max_clock)
  66                         pm_qos_add_request(&exynos5_g3d_mif_max_qos, PM_QOS_BUS_THROUGHPUT_MAX, PM_QOS_BUS_THROUGHPUT_MAX_DEFAULT_VALUE);
  67                 pm_qos_add_request(&exynos5_g3d_cpu_cluster0_min_qos, PM_QOS_CLUSTER0_FREQ_MIN, 0);
  68                 pm_qos_add_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
  69 #if PM_QOS_CPU_CLUSTER_NUM == 2
  70                 if (platform->boost_egl_min_lock)
  71                         pm_qos_add_request(&exynos5_g3d_cpu_cluster1_min_qos, PM_QOS_CLUSTER1_FREQ_MIN, 0);
  72 #endif
  73 #if PM_QOS_CPU_CLUSTER_NUM == 3
  74                 pm_qos_add_request(&exynos5_g3d_cpu_cluster1_min_qos, PM_QOS_CLUSTER1_FREQ_MIN, 0);
  75                 pm_qos_add_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
  76                 if (platform->boost_egl_min_lock)
  77                         pm_qos_add_request(&exynos5_g3d_cpu_cluster2_min_qos, PM_QOS_CLUSTER2_FREQ_MIN, 0);
  78 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
  79                 pm_qos_add_request(&exynos5_g3d_cpu_cluster0_max_qos, PM_QOS_CLUSTER0_FREQ_MAX, PM_QOS_CLUSTER0_FREQ_MAX_DEFAULT_VALUE);
  80 #endif
  81 #endif
  82                 for (idx = 0; idx < platform->table_size; idx++)
  83                         platform->save_cpu_max_freq[idx] = platform->table[idx].cpu_big_max_freq;
  84                 platform->is_pm_qos_init = true;
  85                 break;
  86         case GPU_CONTROL_PM_QOS_DEINIT:
  87                 pm_qos_remove_request(&exynos5_g3d_mif_min_qos);
  88                 if (platform->pmqos_mif_max_clock)
  89                         pm_qos_remove_request(&exynos5_g3d_mif_max_qos);
  90                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster0_min_qos);
  91                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster1_max_qos);
  92                 if (platform->boost_egl_min_lock)
  93                         pm_qos_remove_request(&exynos5_g3d_cpu_cluster1_min_qos);
  94 #if PM_QOS_CPU_CLUSTER_NUM == 3
  95                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster1_min_qos);
  96                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster2_max_qos);
  97                 if (platform->boost_egl_min_lock)
  98                         pm_qos_remove_request(&exynos5_g3d_cpu_cluster2_min_qos);
  99 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
 100                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster0_max_qos);
 101 #endif
 102 #endif
 103                 platform->is_pm_qos_init = false;
 104                 break;
 105         case GPU_CONTROL_PM_QOS_SET:
 106                 if (!platform->is_pm_qos_init) {
 107                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> set\n", __func__);
 108                         return -ENOENT;
 109                 }
 110                 KBASE_DEBUG_ASSERT(platform->step >= 0);
 111                 pm_qos_update_request(&exynos5_g3d_mif_min_qos, platform->table[platform->step].mem_freq);
 112                 if (platform->pmqos_mif_max_clock &&
 113                                 (platform->table[platform->step].clock >= platform->pmqos_mif_max_clock_base))
 114                         pm_qos_update_request(&exynos5_g3d_mif_max_qos, platform->pmqos_mif_max_clock);
 115 #ifdef CONFIG_MALI_VK_BOOST /* VK JOB Boost */
 116                 mutex_lock(&platform->gpu_vk_boost_lock);
 117                 if (platform->ctx_vk_need_qos && platform->max_lock == platform->gpu_vk_boost_max_clk_lock) {
 118                         pm_qos_update_request(&exynos5_g3d_mif_min_qos, platform->gpu_vk_boost_mif_min_clk_lock);
 119                 }
 120                 mutex_unlock(&platform->gpu_vk_boost_lock);
 121 #endif
 122                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_min_qos, platform->table[platform->step].cpu_little_min_freq);
 123
 124                 if (!platform->boost_is_enabled)
 125                         pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, platform->table[platform->step].cpu_big_max_freq);
 126 #if PM_QOS_CPU_CLUSTER_NUM == 3
 127                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_min_qos, platform->table[platform->step].cpu_middle_min_freq);
 128                 if (!platform->boost_is_enabled)
 129                         pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, platform->table[platform->step].cpu_big_max_freq);
 130 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
 131                 if (platform->sustainable.info_array[0] > 0) {
 132                         if (((platform->cur_clock == platform->sustainable.info_array[0])
 133                                                 || (platform->max_lock == platform->sustainable.info_array[0]))
 134                                         && platform->env_data.utilization > platform->sustainable.info_array[1]) {
 135                                 platform->sustainable.status = true;
 136                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_max_qos, platform->sustainable.info_array[2]);
 137                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, platform->sustainable.info_array[3]);
 138                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, platform->sustainable.info_array[4]);
 139                         } else {
 140                                 platform->sustainable.status = false;
 141                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_max_qos, PM_QOS_CLUSTER0_FREQ_MAX_DEFAULT_VALUE);
 142                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
 143                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, platform->table[platform->step].cpu_big_max_freq);
 144                         }
 145                 }
 146 #endif
 147 #ifdef CONFIG_MALI_SEC_CL_BOOST
 148                 if (pkbdev->pm.backend.metrics.is_full_compute_util && platform->cl_boost_disable == false)
 149                         pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
 150 #endif
 151 #endif
 152
 153                 break;
 154         case GPU_CONTROL_PM_QOS_RESET:
 155                 if (!platform->is_pm_qos_init) {
 156                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> reset\n", __func__);
 157                         return -ENOENT;
 158                 }
 159                 pm_qos_update_request(&exynos5_g3d_mif_min_qos, 0);
 160                 if (platform->pmqos_mif_max_clock)
 161                         pm_qos_update_request(&exynos5_g3d_mif_max_qos, PM_QOS_BUS_THROUGHPUT_MAX_DEFAULT_VALUE);
 162                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_min_qos, 0);
 163                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
 164 #if PM_QOS_CPU_CLUSTER_NUM == 3
 165                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_min_qos, 0);
 166                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
 167 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
 168                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_max_qos, PM_QOS_CLUSTER0_FREQ_MAX_DEFAULT_VALUE);
 169                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
 170                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
 171 #endif
 172 #endif
 173                 break;
 174         case GPU_CONTROL_PM_QOS_EGL_SET:
 175                 if (!platform->is_pm_qos_init) {
 176                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> egl_set\n", __func__);
 177                         return -ENOENT;
 178                 }
 179                 pm_qos_update_request_timeout(&exynos5_g3d_cpu_cluster1_min_qos, platform->boost_egl_min_lock, 30000);
 180                 for (idx = 0; idx < platform->table_size; idx++) {
 181                         platform->table[idx].cpu_big_max_freq = PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE;
 182                 }
 183 #if PM_QOS_CPU_CLUSTER_NUM == 3
 184                 pm_qos_update_request_timeout(&exynos5_g3d_cpu_cluster2_min_qos, platform->boost_egl_min_lock, 30000);
 185                 for (idx = 0; idx < platform->table_size; idx++) {
 186                         platform->table[idx].cpu_big_max_freq = PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE;
 187                 }
 188 #endif
 189                 break;
 190         case GPU_CONTROL_PM_QOS_EGL_RESET:
 191                 if (!platform->is_pm_qos_init) {
 192                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> egl_reset\n", __func__);
 193                         return -ENOENT;
 194                 }
 195                 for (idx = 0; idx < platform->table_size; idx++)
 196                         platform->table[idx].cpu_big_max_freq = platform->save_cpu_max_freq[idx];
 197                 break;
 198         default:
 199                 break;
 200         }
 201
 202         return 0;
 203 }
 204 #endif