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 (platform->boost_egl_min_lock)
  70                         pm_qos_add_request(&exynos5_g3d_cpu_cluster1_min_qos, PM_QOS_CLUSTER1_FREQ_MIN, 0);
  71 #if PM_QOS_CPU_CLUSTER_NUM == 3
  72                 pm_qos_add_request(&exynos5_g3d_cpu_cluster1_min_qos, PM_QOS_CLUSTER1_FREQ_MIN, 0);
  73                 pm_qos_add_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
  74                 if (platform->boost_egl_min_lock)
  75                         pm_qos_add_request(&exynos5_g3d_cpu_cluster2_min_qos, PM_QOS_CLUSTER2_FREQ_MIN, 0);
  76 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
  77                 pm_qos_add_request(&exynos5_g3d_cpu_cluster0_max_qos, PM_QOS_CLUSTER0_FREQ_MAX, PM_QOS_CLUSTER0_FREQ_MAX_DEFAULT_VALUE);
  78 #endif
  79 #endif
  80                 for (idx = 0; idx < platform->table_size; idx++)
  81                         platform->save_cpu_max_freq[idx] = platform->table[idx].cpu_big_max_freq;
  82                 platform->is_pm_qos_init = true;
  83                 break;
  84         case GPU_CONTROL_PM_QOS_DEINIT:
  85                 pm_qos_remove_request(&exynos5_g3d_mif_min_qos);
  86                 if (platform->pmqos_mif_max_clock)
  87                         pm_qos_remove_request(&exynos5_g3d_mif_max_qos);
  88                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster0_min_qos);
  89                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster1_max_qos);
  90                 if (platform->boost_egl_min_lock)
  91                         pm_qos_remove_request(&exynos5_g3d_cpu_cluster1_min_qos);
  92 #if PM_QOS_CPU_CLUSTER_NUM == 3
  93                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster1_min_qos);
  94                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster2_max_qos);
  95                 if (platform->boost_egl_min_lock)
  96                         pm_qos_remove_request(&exynos5_g3d_cpu_cluster2_min_qos);
  97 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
  98                 pm_qos_remove_request(&exynos5_g3d_cpu_cluster0_max_qos);
  99 #endif
 100 #endif
 101                 platform->is_pm_qos_init = false;
 102                 break;
 103         case GPU_CONTROL_PM_QOS_SET:
 104                 if (!platform->is_pm_qos_init) {
 105                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> set\n", __func__);
 106                         return -ENOENT;
 107                 }
 108                 KBASE_DEBUG_ASSERT(platform->step >= 0);
 109                 pm_qos_update_request(&exynos5_g3d_mif_min_qos, platform->table[platform->step].mem_freq);
 110                 if (platform->pmqos_mif_max_clock &&
 111                                 (platform->table[platform->step].clock >= platform->pmqos_mif_max_clock_base))
 112                         pm_qos_update_request(&exynos5_g3d_mif_max_qos, platform->pmqos_mif_max_clock);
 113 #ifdef CONFIG_MALI_VK_BOOST /* VK JOB Boost */
 114                 mutex_lock(&platform->gpu_vk_boost_lock);
 115                 if (platform->ctx_vk_need_qos && platform->max_lock == platform->gpu_vk_boost_max_clk_lock) {
 116                         pm_qos_update_request(&exynos5_g3d_mif_min_qos, platform->gpu_vk_boost_mif_min_clk_lock);
 117                 }
 118                 mutex_unlock(&platform->gpu_vk_boost_lock);
 119 #endif
 120                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_min_qos, platform->table[platform->step].cpu_little_min_freq);
 121
 122                 if (!platform->boost_is_enabled)
 123                         pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, platform->table[platform->step].cpu_big_max_freq);
 124 #if PM_QOS_CPU_CLUSTER_NUM == 3
 125                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_min_qos, platform->table[platform->step].cpu_middle_min_freq);
 126                 if (!platform->boost_is_enabled)
 127                         pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, platform->table[platform->step].cpu_big_max_freq);
 128 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
 129                 if (platform->sustainable.info_array[0] > 0) {
 130                         if (((platform->cur_clock == platform->sustainable.info_array[0])
 131                                                 || (platform->max_lock == platform->sustainable.info_array[0]))
 132                                         && platform->env_data.utilization > platform->sustainable.info_array[1]) {
 133                                 platform->sustainable.status = true;
 134                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_max_qos, platform->sustainable.info_array[2]);
 135                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, platform->sustainable.info_array[3]);
 136                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, platform->sustainable.info_array[4]);
 137                         } else {
 138                                 platform->sustainable.status = false;
 139                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_max_qos, PM_QOS_CLUSTER0_FREQ_MAX_DEFAULT_VALUE);
 140                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
 141                                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, platform->table[platform->step].cpu_big_max_freq);
 142                         }
 143                 }
 144 #endif
 145 #ifdef CONFIG_MALI_SEC_CL_BOOST
 146                 if (pkbdev->pm.backend.metrics.is_full_compute_util && platform->cl_boost_disable == false)
 147                         pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
 148 #endif
 149 #endif
 150
 151                 break;
 152         case GPU_CONTROL_PM_QOS_RESET:
 153                 if (!platform->is_pm_qos_init) {
 154                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> reset\n", __func__);
 155                         return -ENOENT;
 156                 }
 157                 pm_qos_update_request(&exynos5_g3d_mif_min_qos, 0);
 158                 if (platform->pmqos_mif_max_clock)
 159                         pm_qos_update_request(&exynos5_g3d_mif_max_qos, PM_QOS_BUS_THROUGHPUT_MAX_DEFAULT_VALUE);
 160                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_min_qos, 0);
 161                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
 162 #if PM_QOS_CPU_CLUSTER_NUM == 3
 163                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_min_qos, 0);
 164                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
 165 #ifdef CONFIG_MALI_SUSTAINABLE_OPT
 166                 pm_qos_update_request(&exynos5_g3d_cpu_cluster0_max_qos, PM_QOS_CLUSTER0_FREQ_MAX_DEFAULT_VALUE);
 167                 pm_qos_update_request(&exynos5_g3d_cpu_cluster1_max_qos, PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE);
 168                 pm_qos_update_request(&exynos5_g3d_cpu_cluster2_max_qos, PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE);
 169 #endif
 170 #endif
 171                 break;
 172         case GPU_CONTROL_PM_QOS_EGL_SET:
 173                 if (!platform->is_pm_qos_init) {
 174                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> egl_set\n", __func__);
 175                         return -ENOENT;
 176                 }
 177                 pm_qos_update_request_timeout(&exynos5_g3d_cpu_cluster1_min_qos, platform->boost_egl_min_lock, 30000);
 178                 for (idx = 0; idx < platform->table_size; idx++) {
 179                         platform->table[idx].cpu_big_max_freq = PM_QOS_CLUSTER1_FREQ_MAX_DEFAULT_VALUE;
 180                 }
 181 #if PM_QOS_CPU_CLUSTER_NUM == 3
 182                 pm_qos_update_request_timeout(&exynos5_g3d_cpu_cluster2_min_qos, platform->boost_egl_min_lock, 30000);
 183                 for (idx = 0; idx < platform->table_size; idx++) {
 184                         platform->table[idx].cpu_big_max_freq = PM_QOS_CLUSTER2_FREQ_MAX_DEFAULT_VALUE;
 185                 }
 186 #endif
 187                 break;
 188         case GPU_CONTROL_PM_QOS_EGL_RESET:
 189                 if (!platform->is_pm_qos_init) {
 190                         GPU_LOG(DVFS_ERROR, DUMMY, 0u, 0u, "%s: PM QOS ERROR : pm_qos deinit -> egl_reset\n", __func__);
 191                         return -ENOENT;
 192                 }
 193                 for (idx = 0; idx < platform->table_size; idx++)
 194                         platform->table[idx].cpu_big_max_freq = platform->save_cpu_max_freq[idx];
 195                 break;
 196         default:
 197                 break;
 198         }
 199
 200         return 0;
 201 }
 202 #endif