| .. | .. |
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| 24 | 24 | */ |
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| 25 | 25 | |
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| 26 | 26 | #include <linux/kthread.h> |
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| 27 | | -#include <drm/drmP.h> |
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| 28 | | -#include <linux/debugfs.h> |
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| 27 | +#include <linux/pci.h> |
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| 28 | +#include <linux/uaccess.h> |
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| 29 | +#include <linux/pm_runtime.h> |
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| 30 | +#include <linux/poll.h> |
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| 31 | +#include <drm/drm_debugfs.h> |
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| 32 | + |
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| 29 | 33 | #include "amdgpu.h" |
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| 34 | +#include "amdgpu_pm.h" |
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| 35 | +#include "amdgpu_dm_debugfs.h" |
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| 36 | +#include "amdgpu_ras.h" |
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| 37 | +#include "amdgpu_rap.h" |
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| 30 | 38 | |
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| 31 | 39 | /** |
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| 32 | 40 | * amdgpu_debugfs_add_files - Add simple debugfs entries |
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| .. | .. |
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| 61 | 69 | adev->debugfs_count = i; |
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| 62 | 70 | #if defined(CONFIG_DEBUG_FS) |
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| 63 | 71 | drm_debugfs_create_files(files, nfiles, |
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| 64 | | - adev->ddev->primary->debugfs_root, |
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| 65 | | - adev->ddev->primary); |
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| 72 | + adev_to_drm(adev)->primary->debugfs_root, |
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| 73 | + adev_to_drm(adev)->primary); |
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| 74 | +#endif |
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| 75 | + return 0; |
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| 76 | +} |
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| 77 | + |
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| 78 | +int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev) |
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| 79 | +{ |
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| 80 | +#if defined(CONFIG_DEBUG_FS) |
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| 81 | + unsigned long timeout = 600 * HZ; |
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| 82 | + int ret; |
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| 83 | + |
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| 84 | + wake_up_interruptible(&adev->autodump.gpu_hang); |
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| 85 | + |
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| 86 | + ret = wait_for_completion_interruptible_timeout(&adev->autodump.dumping, timeout); |
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| 87 | + if (ret == 0) { |
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| 88 | + pr_err("autodump: timeout, move on to gpu recovery\n"); |
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| 89 | + return -ETIMEDOUT; |
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| 90 | + } |
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| 66 | 91 | #endif |
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| 67 | 92 | return 0; |
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| 68 | 93 | } |
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| 69 | 94 | |
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| 70 | 95 | #if defined(CONFIG_DEBUG_FS) |
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| 96 | + |
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| 97 | +static int amdgpu_debugfs_autodump_open(struct inode *inode, struct file *file) |
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| 98 | +{ |
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| 99 | + struct amdgpu_device *adev = inode->i_private; |
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| 100 | + int ret; |
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| 101 | + |
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| 102 | + file->private_data = adev; |
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| 103 | + |
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| 104 | + ret = down_read_killable(&adev->reset_sem); |
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| 105 | + if (ret) |
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| 106 | + return ret; |
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| 107 | + |
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| 108 | + if (adev->autodump.dumping.done) { |
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| 109 | + reinit_completion(&adev->autodump.dumping); |
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| 110 | + ret = 0; |
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| 111 | + } else { |
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| 112 | + ret = -EBUSY; |
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| 113 | + } |
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| 114 | + |
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| 115 | + up_read(&adev->reset_sem); |
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| 116 | + |
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| 117 | + return ret; |
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| 118 | +} |
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| 119 | + |
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| 120 | +static int amdgpu_debugfs_autodump_release(struct inode *inode, struct file *file) |
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| 121 | +{ |
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| 122 | + struct amdgpu_device *adev = file->private_data; |
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| 123 | + |
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| 124 | + complete_all(&adev->autodump.dumping); |
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| 125 | + return 0; |
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| 126 | +} |
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| 127 | + |
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| 128 | +static unsigned int amdgpu_debugfs_autodump_poll(struct file *file, struct poll_table_struct *poll_table) |
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| 129 | +{ |
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| 130 | + struct amdgpu_device *adev = file->private_data; |
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| 131 | + |
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| 132 | + poll_wait(file, &adev->autodump.gpu_hang, poll_table); |
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| 133 | + |
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| 134 | + if (amdgpu_in_reset(adev)) |
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| 135 | + return POLLIN | POLLRDNORM | POLLWRNORM; |
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| 136 | + |
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| 137 | + return 0; |
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| 138 | +} |
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| 139 | + |
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| 140 | +static const struct file_operations autodump_debug_fops = { |
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| 141 | + .owner = THIS_MODULE, |
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| 142 | + .open = amdgpu_debugfs_autodump_open, |
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| 143 | + .poll = amdgpu_debugfs_autodump_poll, |
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| 144 | + .release = amdgpu_debugfs_autodump_release, |
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| 145 | +}; |
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| 146 | + |
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| 147 | +static void amdgpu_debugfs_autodump_init(struct amdgpu_device *adev) |
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| 148 | +{ |
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| 149 | + init_completion(&adev->autodump.dumping); |
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| 150 | + complete_all(&adev->autodump.dumping); |
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| 151 | + init_waitqueue_head(&adev->autodump.gpu_hang); |
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| 152 | + |
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| 153 | + debugfs_create_file("amdgpu_autodump", 0600, |
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| 154 | + adev_to_drm(adev)->primary->debugfs_root, |
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| 155 | + adev, &autodump_debug_fops); |
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| 156 | +} |
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| 71 | 157 | |
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| 72 | 158 | /** |
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| 73 | 159 | * amdgpu_debugfs_process_reg_op - Handle MMIO register reads/writes |
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| .. | .. |
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| 103 | 189 | ssize_t result = 0; |
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| 104 | 190 | int r; |
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| 105 | 191 | bool pm_pg_lock, use_bank, use_ring; |
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| 106 | | - unsigned instance_bank, sh_bank, se_bank, me, pipe, queue; |
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| 192 | + unsigned instance_bank, sh_bank, se_bank, me, pipe, queue, vmid; |
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| 107 | 193 | |
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| 108 | 194 | pm_pg_lock = use_bank = use_ring = false; |
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| 109 | | - instance_bank = sh_bank = se_bank = me = pipe = queue = 0; |
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| 195 | + instance_bank = sh_bank = se_bank = me = pipe = queue = vmid = 0; |
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| 110 | 196 | |
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| 111 | 197 | if (size & 0x3 || *pos & 0x3 || |
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| 112 | 198 | ((*pos & (1ULL << 62)) && (*pos & (1ULL << 61)))) |
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| .. | .. |
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| 126 | 212 | sh_bank = 0xFFFFFFFF; |
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| 127 | 213 | if (instance_bank == 0x3FF) |
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| 128 | 214 | instance_bank = 0xFFFFFFFF; |
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| 129 | | - use_bank = 1; |
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| 215 | + use_bank = true; |
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| 130 | 216 | } else if (*pos & (1ULL << 61)) { |
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| 131 | 217 | |
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| 132 | 218 | me = (*pos & GENMASK_ULL(33, 24)) >> 24; |
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| 133 | 219 | pipe = (*pos & GENMASK_ULL(43, 34)) >> 34; |
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| 134 | 220 | queue = (*pos & GENMASK_ULL(53, 44)) >> 44; |
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| 221 | + vmid = (*pos & GENMASK_ULL(58, 54)) >> 54; |
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| 135 | 222 | |
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| 136 | | - use_ring = 1; |
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| 223 | + use_ring = true; |
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| 137 | 224 | } else { |
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| 138 | | - use_bank = use_ring = 0; |
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| 225 | + use_bank = use_ring = false; |
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| 139 | 226 | } |
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| 140 | 227 | |
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| 141 | 228 | *pos &= (1UL << 22) - 1; |
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| 142 | 229 | |
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| 230 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
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| 231 | + if (r < 0) { |
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| 232 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 233 | + return r; |
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| 234 | + } |
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| 235 | + |
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| 236 | + r = amdgpu_virt_enable_access_debugfs(adev); |
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| 237 | + if (r < 0) { |
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| 238 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 239 | + return r; |
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| 240 | + } |
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| 241 | + |
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| 143 | 242 | if (use_bank) { |
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| 144 | 243 | if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || |
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| 145 | | - (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) |
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| 244 | + (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) { |
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| 245 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 246 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 247 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 146 | 248 | return -EINVAL; |
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| 249 | + } |
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| 147 | 250 | mutex_lock(&adev->grbm_idx_mutex); |
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| 148 | 251 | amdgpu_gfx_select_se_sh(adev, se_bank, |
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| 149 | 252 | sh_bank, instance_bank); |
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| 150 | 253 | } else if (use_ring) { |
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| 151 | 254 | mutex_lock(&adev->srbm_mutex); |
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| 152 | | - amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue); |
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| 255 | + amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue, vmid); |
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| 153 | 256 | } |
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| 154 | 257 | |
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| 155 | 258 | if (pm_pg_lock) |
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| .. | .. |
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| 158 | 261 | while (size) { |
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| 159 | 262 | uint32_t value; |
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| 160 | 263 | |
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| 161 | | - if (*pos > adev->rmmio_size) |
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| 162 | | - goto end; |
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| 163 | | - |
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| 164 | 264 | if (read) { |
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| 165 | 265 | value = RREG32(*pos >> 2); |
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| 166 | 266 | r = put_user(value, (uint32_t *)buf); |
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| 167 | 267 | } else { |
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| 168 | 268 | r = get_user(value, (uint32_t *)buf); |
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| 169 | 269 | if (!r) |
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| 170 | | - WREG32(*pos >> 2, value); |
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| 270 | + amdgpu_mm_wreg_mmio_rlc(adev, *pos >> 2, value); |
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| 171 | 271 | } |
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| 172 | 272 | if (r) { |
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| 173 | 273 | result = r; |
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| .. | .. |
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| 185 | 285 | amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); |
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| 186 | 286 | mutex_unlock(&adev->grbm_idx_mutex); |
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| 187 | 287 | } else if (use_ring) { |
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| 188 | | - amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0); |
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| 288 | + amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0, 0); |
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| 189 | 289 | mutex_unlock(&adev->srbm_mutex); |
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| 190 | 290 | } |
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| 191 | 291 | |
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| 192 | 292 | if (pm_pg_lock) |
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| 193 | 293 | mutex_unlock(&adev->pm.mutex); |
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| 194 | 294 | |
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| 295 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 296 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 297 | + |
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| 298 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 195 | 299 | return result; |
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| 196 | 300 | } |
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| 197 | 301 | |
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| .. | .. |
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| 236 | 340 | if (size & 0x3 || *pos & 0x3) |
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| 237 | 341 | return -EINVAL; |
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| 238 | 342 | |
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| 343 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
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| 344 | + if (r < 0) { |
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| 345 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 346 | + return r; |
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| 347 | + } |
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| 348 | + |
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| 349 | + r = amdgpu_virt_enable_access_debugfs(adev); |
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| 350 | + if (r < 0) { |
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| 351 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 352 | + return r; |
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| 353 | + } |
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| 354 | + |
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| 239 | 355 | while (size) { |
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| 240 | 356 | uint32_t value; |
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| 241 | 357 | |
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| 242 | 358 | value = RREG32_PCIE(*pos); |
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| 243 | 359 | r = put_user(value, (uint32_t *)buf); |
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| 244 | | - if (r) |
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| 360 | + if (r) { |
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| 361 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 362 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 363 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 245 | 364 | return r; |
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| 365 | + } |
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| 246 | 366 | |
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| 247 | 367 | result += 4; |
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| 248 | 368 | buf += 4; |
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| .. | .. |
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| 250 | 370 | size -= 4; |
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| 251 | 371 | } |
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| 252 | 372 | |
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| 373 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 374 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 375 | + |
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| 376 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 253 | 377 | return result; |
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| 254 | 378 | } |
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| 255 | 379 | |
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| .. | .. |
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| 275 | 399 | if (size & 0x3 || *pos & 0x3) |
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| 276 | 400 | return -EINVAL; |
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| 277 | 401 | |
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| 402 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
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| 403 | + if (r < 0) { |
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| 404 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 405 | + return r; |
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| 406 | + } |
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| 407 | + |
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| 408 | + r = amdgpu_virt_enable_access_debugfs(adev); |
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| 409 | + if (r < 0) { |
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| 410 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 411 | + return r; |
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| 412 | + } |
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| 413 | + |
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| 278 | 414 | while (size) { |
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| 279 | 415 | uint32_t value; |
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| 280 | 416 | |
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| 281 | 417 | r = get_user(value, (uint32_t *)buf); |
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| 282 | | - if (r) |
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| 418 | + if (r) { |
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| 419 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 420 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 421 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 283 | 422 | return r; |
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| 423 | + } |
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| 284 | 424 | |
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| 285 | 425 | WREG32_PCIE(*pos, value); |
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| 286 | 426 | |
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| .. | .. |
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| 290 | 430 | size -= 4; |
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| 291 | 431 | } |
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| 292 | 432 | |
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| 433 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 434 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 435 | + |
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| 436 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 293 | 437 | return result; |
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| 294 | 438 | } |
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| 295 | 439 | |
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| .. | .. |
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| 315 | 459 | if (size & 0x3 || *pos & 0x3) |
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| 316 | 460 | return -EINVAL; |
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| 317 | 461 | |
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| 462 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
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| 463 | + if (r < 0) { |
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| 464 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 465 | + return r; |
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| 466 | + } |
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| 467 | + |
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| 468 | + r = amdgpu_virt_enable_access_debugfs(adev); |
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| 469 | + if (r < 0) { |
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| 470 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 471 | + return r; |
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| 472 | + } |
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| 473 | + |
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| 318 | 474 | while (size) { |
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| 319 | 475 | uint32_t value; |
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| 320 | 476 | |
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| 321 | 477 | value = RREG32_DIDT(*pos >> 2); |
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| 322 | 478 | r = put_user(value, (uint32_t *)buf); |
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| 323 | | - if (r) |
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| 479 | + if (r) { |
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| 480 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 481 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 482 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 324 | 483 | return r; |
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| 484 | + } |
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| 325 | 485 | |
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| 326 | 486 | result += 4; |
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| 327 | 487 | buf += 4; |
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| .. | .. |
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| 329 | 489 | size -= 4; |
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| 330 | 490 | } |
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| 331 | 491 | |
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| 492 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 493 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 494 | + |
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| 495 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 332 | 496 | return result; |
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| 333 | 497 | } |
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| 334 | 498 | |
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| .. | .. |
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| 354 | 518 | if (size & 0x3 || *pos & 0x3) |
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| 355 | 519 | return -EINVAL; |
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| 356 | 520 | |
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| 521 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
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| 522 | + if (r < 0) { |
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| 523 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 524 | + return r; |
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| 525 | + } |
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| 526 | + |
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| 527 | + r = amdgpu_virt_enable_access_debugfs(adev); |
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| 528 | + if (r < 0) { |
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| 529 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 530 | + return r; |
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| 531 | + } |
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| 532 | + |
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| 357 | 533 | while (size) { |
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| 358 | 534 | uint32_t value; |
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| 359 | 535 | |
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| 360 | 536 | r = get_user(value, (uint32_t *)buf); |
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| 361 | | - if (r) |
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| 537 | + if (r) { |
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| 538 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 539 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 540 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 362 | 541 | return r; |
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| 542 | + } |
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| 363 | 543 | |
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| 364 | 544 | WREG32_DIDT(*pos >> 2, value); |
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| 365 | 545 | |
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| .. | .. |
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| 369 | 549 | size -= 4; |
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| 370 | 550 | } |
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| 371 | 551 | |
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| 552 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 553 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 554 | + |
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| 555 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 372 | 556 | return result; |
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| 373 | 557 | } |
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| 374 | 558 | |
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| .. | .. |
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| 394 | 578 | if (size & 0x3 || *pos & 0x3) |
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| 395 | 579 | return -EINVAL; |
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| 396 | 580 | |
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| 581 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
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| 582 | + if (r < 0) { |
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| 583 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 584 | + return r; |
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| 585 | + } |
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| 586 | + |
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| 587 | + r = amdgpu_virt_enable_access_debugfs(adev); |
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| 588 | + if (r < 0) { |
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| 589 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 590 | + return r; |
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| 591 | + } |
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| 592 | + |
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| 397 | 593 | while (size) { |
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| 398 | 594 | uint32_t value; |
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| 399 | 595 | |
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| 400 | 596 | value = RREG32_SMC(*pos); |
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| 401 | 597 | r = put_user(value, (uint32_t *)buf); |
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| 402 | | - if (r) |
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| 598 | + if (r) { |
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| 599 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
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| 600 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
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| 601 | + amdgpu_virt_disable_access_debugfs(adev); |
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| 403 | 602 | return r; |
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| 603 | + } |
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| 404 | 604 | |
|---|
| 405 | 605 | result += 4; |
|---|
| 406 | 606 | buf += 4; |
|---|
| .. | .. |
|---|
| 408 | 608 | size -= 4; |
|---|
| 409 | 609 | } |
|---|
| 410 | 610 | |
|---|
| 611 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 612 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 613 | + |
|---|
| 614 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 411 | 615 | return result; |
|---|
| 412 | 616 | } |
|---|
| 413 | 617 | |
|---|
| .. | .. |
|---|
| 433 | 637 | if (size & 0x3 || *pos & 0x3) |
|---|
| 434 | 638 | return -EINVAL; |
|---|
| 435 | 639 | |
|---|
| 640 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 641 | + if (r < 0) { |
|---|
| 642 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 643 | + return r; |
|---|
| 644 | + } |
|---|
| 645 | + |
|---|
| 646 | + r = amdgpu_virt_enable_access_debugfs(adev); |
|---|
| 647 | + if (r < 0) { |
|---|
| 648 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 649 | + return r; |
|---|
| 650 | + } |
|---|
| 651 | + |
|---|
| 436 | 652 | while (size) { |
|---|
| 437 | 653 | uint32_t value; |
|---|
| 438 | 654 | |
|---|
| 439 | 655 | r = get_user(value, (uint32_t *)buf); |
|---|
| 440 | | - if (r) |
|---|
| 656 | + if (r) { |
|---|
| 657 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 658 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 659 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 441 | 660 | return r; |
|---|
| 661 | + } |
|---|
| 442 | 662 | |
|---|
| 443 | 663 | WREG32_SMC(*pos, value); |
|---|
| 444 | 664 | |
|---|
| .. | .. |
|---|
| 448 | 668 | size -= 4; |
|---|
| 449 | 669 | } |
|---|
| 450 | 670 | |
|---|
| 671 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 672 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 673 | + |
|---|
| 674 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 451 | 675 | return result; |
|---|
| 452 | 676 | } |
|---|
| 453 | 677 | |
|---|
| .. | .. |
|---|
| 571 | 795 | idx = *pos >> 2; |
|---|
| 572 | 796 | |
|---|
| 573 | 797 | valuesize = sizeof(values); |
|---|
| 574 | | - if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) |
|---|
| 575 | | - r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); |
|---|
| 576 | | - else |
|---|
| 577 | | - return -EINVAL; |
|---|
| 578 | 798 | |
|---|
| 579 | | - if (size > valuesize) |
|---|
| 799 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 800 | + if (r < 0) { |
|---|
| 801 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 802 | + return r; |
|---|
| 803 | + } |
|---|
| 804 | + |
|---|
| 805 | + r = amdgpu_virt_enable_access_debugfs(adev); |
|---|
| 806 | + if (r < 0) { |
|---|
| 807 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 808 | + return r; |
|---|
| 809 | + } |
|---|
| 810 | + |
|---|
| 811 | + r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); |
|---|
| 812 | + |
|---|
| 813 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 814 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 815 | + |
|---|
| 816 | + if (r) { |
|---|
| 817 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 818 | + return r; |
|---|
| 819 | + } |
|---|
| 820 | + |
|---|
| 821 | + if (size > valuesize) { |
|---|
| 822 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 580 | 823 | return -EINVAL; |
|---|
| 824 | + } |
|---|
| 581 | 825 | |
|---|
| 582 | 826 | outsize = 0; |
|---|
| 583 | 827 | x = 0; |
|---|
| .. | .. |
|---|
| 590 | 834 | } |
|---|
| 591 | 835 | } |
|---|
| 592 | 836 | |
|---|
| 837 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 593 | 838 | return !r ? outsize : r; |
|---|
| 594 | 839 | } |
|---|
| 595 | 840 | |
|---|
| .. | .. |
|---|
| 633 | 878 | wave = (*pos & GENMASK_ULL(36, 31)) >> 31; |
|---|
| 634 | 879 | simd = (*pos & GENMASK_ULL(44, 37)) >> 37; |
|---|
| 635 | 880 | |
|---|
| 881 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 882 | + if (r < 0) { |
|---|
| 883 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 884 | + return r; |
|---|
| 885 | + } |
|---|
| 886 | + |
|---|
| 887 | + r = amdgpu_virt_enable_access_debugfs(adev); |
|---|
| 888 | + if (r < 0) { |
|---|
| 889 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 890 | + return r; |
|---|
| 891 | + } |
|---|
| 892 | + |
|---|
| 636 | 893 | /* switch to the specific se/sh/cu */ |
|---|
| 637 | 894 | mutex_lock(&adev->grbm_idx_mutex); |
|---|
| 638 | 895 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); |
|---|
| .. | .. |
|---|
| 644 | 901 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); |
|---|
| 645 | 902 | mutex_unlock(&adev->grbm_idx_mutex); |
|---|
| 646 | 903 | |
|---|
| 647 | | - if (!x) |
|---|
| 904 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 905 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 906 | + |
|---|
| 907 | + if (!x) { |
|---|
| 908 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 648 | 909 | return -EINVAL; |
|---|
| 910 | + } |
|---|
| 649 | 911 | |
|---|
| 650 | 912 | while (size && (offset < x * 4)) { |
|---|
| 651 | 913 | uint32_t value; |
|---|
| 652 | 914 | |
|---|
| 653 | 915 | value = data[offset >> 2]; |
|---|
| 654 | 916 | r = put_user(value, (uint32_t *)buf); |
|---|
| 655 | | - if (r) |
|---|
| 917 | + if (r) { |
|---|
| 918 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 656 | 919 | return r; |
|---|
| 920 | + } |
|---|
| 657 | 921 | |
|---|
| 658 | 922 | result += 4; |
|---|
| 659 | 923 | buf += 4; |
|---|
| .. | .. |
|---|
| 661 | 925 | size -= 4; |
|---|
| 662 | 926 | } |
|---|
| 663 | 927 | |
|---|
| 928 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 664 | 929 | return result; |
|---|
| 665 | 930 | } |
|---|
| 666 | 931 | |
|---|
| .. | .. |
|---|
| 711 | 976 | if (!data) |
|---|
| 712 | 977 | return -ENOMEM; |
|---|
| 713 | 978 | |
|---|
| 979 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 980 | + if (r < 0) |
|---|
| 981 | + goto err; |
|---|
| 982 | + |
|---|
| 983 | + r = amdgpu_virt_enable_access_debugfs(adev); |
|---|
| 984 | + if (r < 0) |
|---|
| 985 | + goto err; |
|---|
| 986 | + |
|---|
| 714 | 987 | /* switch to the specific se/sh/cu */ |
|---|
| 715 | 988 | mutex_lock(&adev->grbm_idx_mutex); |
|---|
| 716 | 989 | amdgpu_gfx_select_se_sh(adev, se, sh, cu); |
|---|
| .. | .. |
|---|
| 726 | 999 | amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); |
|---|
| 727 | 1000 | mutex_unlock(&adev->grbm_idx_mutex); |
|---|
| 728 | 1001 | |
|---|
| 1002 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1003 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1004 | + |
|---|
| 729 | 1005 | while (size) { |
|---|
| 730 | 1006 | uint32_t value; |
|---|
| 731 | 1007 | |
|---|
| 732 | 1008 | value = data[result >> 2]; |
|---|
| 733 | 1009 | r = put_user(value, (uint32_t *)buf); |
|---|
| 734 | 1010 | if (r) { |
|---|
| 735 | | - result = r; |
|---|
| 1011 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 736 | 1012 | goto err; |
|---|
| 737 | 1013 | } |
|---|
| 738 | 1014 | |
|---|
| .. | .. |
|---|
| 741 | 1017 | size -= 4; |
|---|
| 742 | 1018 | } |
|---|
| 743 | 1019 | |
|---|
| 744 | | -err: |
|---|
| 745 | 1020 | kfree(data); |
|---|
| 1021 | + amdgpu_virt_disable_access_debugfs(adev); |
|---|
| 1022 | + return result; |
|---|
| 1023 | + |
|---|
| 1024 | +err: |
|---|
| 1025 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1026 | + kfree(data); |
|---|
| 1027 | + return r; |
|---|
| 1028 | +} |
|---|
| 1029 | + |
|---|
| 1030 | +/** |
|---|
| 1031 | + * amdgpu_debugfs_regs_gfxoff_write - Enable/disable GFXOFF |
|---|
| 1032 | + * |
|---|
| 1033 | + * @f: open file handle |
|---|
| 1034 | + * @buf: User buffer to write data from |
|---|
| 1035 | + * @size: Number of bytes to write |
|---|
| 1036 | + * @pos: Offset to seek to |
|---|
| 1037 | + * |
|---|
| 1038 | + * Write a 32-bit zero to disable or a 32-bit non-zero to enable |
|---|
| 1039 | + */ |
|---|
| 1040 | +static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *buf, |
|---|
| 1041 | + size_t size, loff_t *pos) |
|---|
| 1042 | +{ |
|---|
| 1043 | + struct amdgpu_device *adev = file_inode(f)->i_private; |
|---|
| 1044 | + ssize_t result = 0; |
|---|
| 1045 | + int r; |
|---|
| 1046 | + |
|---|
| 1047 | + if (size & 0x3 || *pos & 0x3) |
|---|
| 1048 | + return -EINVAL; |
|---|
| 1049 | + |
|---|
| 1050 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 1051 | + if (r < 0) { |
|---|
| 1052 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1053 | + return r; |
|---|
| 1054 | + } |
|---|
| 1055 | + |
|---|
| 1056 | + while (size) { |
|---|
| 1057 | + uint32_t value; |
|---|
| 1058 | + |
|---|
| 1059 | + r = get_user(value, (uint32_t *)buf); |
|---|
| 1060 | + if (r) { |
|---|
| 1061 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1062 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1063 | + return r; |
|---|
| 1064 | + } |
|---|
| 1065 | + |
|---|
| 1066 | + amdgpu_gfx_off_ctrl(adev, value ? true : false); |
|---|
| 1067 | + |
|---|
| 1068 | + result += 4; |
|---|
| 1069 | + buf += 4; |
|---|
| 1070 | + *pos += 4; |
|---|
| 1071 | + size -= 4; |
|---|
| 1072 | + } |
|---|
| 1073 | + |
|---|
| 1074 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1075 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1076 | + |
|---|
| 1077 | + return result; |
|---|
| 1078 | +} |
|---|
| 1079 | + |
|---|
| 1080 | + |
|---|
| 1081 | +/** |
|---|
| 1082 | + * amdgpu_debugfs_regs_gfxoff_status - read gfxoff status |
|---|
| 1083 | + * |
|---|
| 1084 | + * @f: open file handle |
|---|
| 1085 | + * @buf: User buffer to store read data in |
|---|
| 1086 | + * @size: Number of bytes to read |
|---|
| 1087 | + * @pos: Offset to seek to |
|---|
| 1088 | + */ |
|---|
| 1089 | +static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf, |
|---|
| 1090 | + size_t size, loff_t *pos) |
|---|
| 1091 | +{ |
|---|
| 1092 | + struct amdgpu_device *adev = file_inode(f)->i_private; |
|---|
| 1093 | + ssize_t result = 0; |
|---|
| 1094 | + int r; |
|---|
| 1095 | + |
|---|
| 1096 | + if (size & 0x3 || *pos & 0x3) |
|---|
| 1097 | + return -EINVAL; |
|---|
| 1098 | + |
|---|
| 1099 | + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 1100 | + if (r < 0) |
|---|
| 1101 | + return r; |
|---|
| 1102 | + |
|---|
| 1103 | + while (size) { |
|---|
| 1104 | + uint32_t value; |
|---|
| 1105 | + |
|---|
| 1106 | + r = amdgpu_get_gfx_off_status(adev, &value); |
|---|
| 1107 | + if (r) { |
|---|
| 1108 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1109 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1110 | + return r; |
|---|
| 1111 | + } |
|---|
| 1112 | + |
|---|
| 1113 | + r = put_user(value, (uint32_t *)buf); |
|---|
| 1114 | + if (r) { |
|---|
| 1115 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1116 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1117 | + return r; |
|---|
| 1118 | + } |
|---|
| 1119 | + |
|---|
| 1120 | + result += 4; |
|---|
| 1121 | + buf += 4; |
|---|
| 1122 | + *pos += 4; |
|---|
| 1123 | + size -= 4; |
|---|
| 1124 | + } |
|---|
| 1125 | + |
|---|
| 1126 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1127 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1128 | + |
|---|
| 746 | 1129 | return result; |
|---|
| 747 | 1130 | } |
|---|
| 748 | 1131 | |
|---|
| .. | .. |
|---|
| 794 | 1177 | .llseek = default_llseek |
|---|
| 795 | 1178 | }; |
|---|
| 796 | 1179 | |
|---|
| 1180 | +static const struct file_operations amdgpu_debugfs_gfxoff_fops = { |
|---|
| 1181 | + .owner = THIS_MODULE, |
|---|
| 1182 | + .read = amdgpu_debugfs_gfxoff_read, |
|---|
| 1183 | + .write = amdgpu_debugfs_gfxoff_write, |
|---|
| 1184 | + .llseek = default_llseek |
|---|
| 1185 | +}; |
|---|
| 1186 | + |
|---|
| 797 | 1187 | static const struct file_operations *debugfs_regs[] = { |
|---|
| 798 | 1188 | &amdgpu_debugfs_regs_fops, |
|---|
| 799 | 1189 | &amdgpu_debugfs_regs_didt_fops, |
|---|
| .. | .. |
|---|
| 803 | 1193 | &amdgpu_debugfs_sensors_fops, |
|---|
| 804 | 1194 | &amdgpu_debugfs_wave_fops, |
|---|
| 805 | 1195 | &amdgpu_debugfs_gpr_fops, |
|---|
| 1196 | + &amdgpu_debugfs_gfxoff_fops, |
|---|
| 806 | 1197 | }; |
|---|
| 807 | 1198 | |
|---|
| 808 | 1199 | static const char *debugfs_regs_names[] = { |
|---|
| .. | .. |
|---|
| 814 | 1205 | "amdgpu_sensors", |
|---|
| 815 | 1206 | "amdgpu_wave", |
|---|
| 816 | 1207 | "amdgpu_gpr", |
|---|
| 1208 | + "amdgpu_gfxoff", |
|---|
| 817 | 1209 | }; |
|---|
| 818 | 1210 | |
|---|
| 819 | 1211 | /** |
|---|
| .. | .. |
|---|
| 824 | 1216 | */ |
|---|
| 825 | 1217 | int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) |
|---|
| 826 | 1218 | { |
|---|
| 827 | | - struct drm_minor *minor = adev->ddev->primary; |
|---|
| 1219 | + struct drm_minor *minor = adev_to_drm(adev)->primary; |
|---|
| 828 | 1220 | struct dentry *ent, *root = minor->debugfs_root; |
|---|
| 829 | | - unsigned i, j; |
|---|
| 1221 | + unsigned int i; |
|---|
| 830 | 1222 | |
|---|
| 831 | 1223 | for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { |
|---|
| 832 | 1224 | ent = debugfs_create_file(debugfs_regs_names[i], |
|---|
| 833 | 1225 | S_IFREG | S_IRUGO, root, |
|---|
| 834 | 1226 | adev, debugfs_regs[i]); |
|---|
| 835 | | - if (IS_ERR(ent)) { |
|---|
| 836 | | - for (j = 0; j < i; j++) { |
|---|
| 837 | | - debugfs_remove(adev->debugfs_regs[i]); |
|---|
| 838 | | - adev->debugfs_regs[i] = NULL; |
|---|
| 839 | | - } |
|---|
| 840 | | - return PTR_ERR(ent); |
|---|
| 841 | | - } |
|---|
| 842 | | - |
|---|
| 843 | | - if (!i) |
|---|
| 1227 | + if (!i && !IS_ERR_OR_NULL(ent)) |
|---|
| 844 | 1228 | i_size_write(ent->d_inode, adev->rmmio_size); |
|---|
| 845 | 1229 | adev->debugfs_regs[i] = ent; |
|---|
| 846 | 1230 | } |
|---|
| .. | .. |
|---|
| 848 | 1232 | return 0; |
|---|
| 849 | 1233 | } |
|---|
| 850 | 1234 | |
|---|
| 851 | | -void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) |
|---|
| 852 | | -{ |
|---|
| 853 | | - unsigned i; |
|---|
| 854 | | - |
|---|
| 855 | | - for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { |
|---|
| 856 | | - if (adev->debugfs_regs[i]) { |
|---|
| 857 | | - debugfs_remove(adev->debugfs_regs[i]); |
|---|
| 858 | | - adev->debugfs_regs[i] = NULL; |
|---|
| 859 | | - } |
|---|
| 860 | | - } |
|---|
| 861 | | -} |
|---|
| 862 | | - |
|---|
| 863 | 1235 | static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) |
|---|
| 864 | 1236 | { |
|---|
| 865 | 1237 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
|---|
| 866 | 1238 | struct drm_device *dev = node->minor->dev; |
|---|
| 867 | | - struct amdgpu_device *adev = dev->dev_private; |
|---|
| 1239 | + struct amdgpu_device *adev = drm_to_adev(dev); |
|---|
| 868 | 1240 | int r = 0, i; |
|---|
| 1241 | + |
|---|
| 1242 | + r = pm_runtime_get_sync(dev->dev); |
|---|
| 1243 | + if (r < 0) { |
|---|
| 1244 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1245 | + return r; |
|---|
| 1246 | + } |
|---|
| 1247 | + |
|---|
| 1248 | + /* Avoid accidently unparking the sched thread during GPU reset */ |
|---|
| 1249 | + r = down_read_killable(&adev->reset_sem); |
|---|
| 1250 | + if (r) |
|---|
| 1251 | + return r; |
|---|
| 869 | 1252 | |
|---|
| 870 | 1253 | /* hold on the scheduler */ |
|---|
| 871 | 1254 | for (i = 0; i < AMDGPU_MAX_RINGS; i++) { |
|---|
| .. | .. |
|---|
| 892 | 1275 | kthread_unpark(ring->sched.thread); |
|---|
| 893 | 1276 | } |
|---|
| 894 | 1277 | |
|---|
| 1278 | + up_read(&adev->reset_sem); |
|---|
| 1279 | + |
|---|
| 1280 | + pm_runtime_mark_last_busy(dev->dev); |
|---|
| 1281 | + pm_runtime_put_autosuspend(dev->dev); |
|---|
| 1282 | + |
|---|
| 895 | 1283 | return 0; |
|---|
| 896 | 1284 | } |
|---|
| 897 | 1285 | |
|---|
| .. | .. |
|---|
| 899 | 1287 | { |
|---|
| 900 | 1288 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
|---|
| 901 | 1289 | struct drm_device *dev = node->minor->dev; |
|---|
| 902 | | - struct amdgpu_device *adev = dev->dev_private; |
|---|
| 1290 | + struct amdgpu_device *adev = drm_to_adev(dev); |
|---|
| 903 | 1291 | |
|---|
| 904 | 1292 | seq_write(m, adev->bios, adev->bios_size); |
|---|
| 905 | 1293 | return 0; |
|---|
| .. | .. |
|---|
| 909 | 1297 | { |
|---|
| 910 | 1298 | struct drm_info_node *node = (struct drm_info_node *)m->private; |
|---|
| 911 | 1299 | struct drm_device *dev = node->minor->dev; |
|---|
| 912 | | - struct amdgpu_device *adev = dev->dev_private; |
|---|
| 1300 | + struct amdgpu_device *adev = drm_to_adev(dev); |
|---|
| 1301 | + int r; |
|---|
| 1302 | + |
|---|
| 1303 | + r = pm_runtime_get_sync(dev->dev); |
|---|
| 1304 | + if (r < 0) { |
|---|
| 1305 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1306 | + return r; |
|---|
| 1307 | + } |
|---|
| 913 | 1308 | |
|---|
| 914 | 1309 | seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev)); |
|---|
| 1310 | + |
|---|
| 1311 | + pm_runtime_mark_last_busy(dev->dev); |
|---|
| 1312 | + pm_runtime_put_autosuspend(dev->dev); |
|---|
| 1313 | + |
|---|
| 915 | 1314 | return 0; |
|---|
| 916 | 1315 | } |
|---|
| 917 | 1316 | |
|---|
| .. | .. |
|---|
| 919 | 1318 | { |
|---|
| 920 | 1319 | struct drm_info_node *node = (struct drm_info_node *)m->private; |
|---|
| 921 | 1320 | struct drm_device *dev = node->minor->dev; |
|---|
| 922 | | - struct amdgpu_device *adev = dev->dev_private; |
|---|
| 1321 | + struct amdgpu_device *adev = drm_to_adev(dev); |
|---|
| 1322 | + int r; |
|---|
| 1323 | + |
|---|
| 1324 | + r = pm_runtime_get_sync(dev->dev); |
|---|
| 1325 | + if (r < 0) { |
|---|
| 1326 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1327 | + return r; |
|---|
| 1328 | + } |
|---|
| 923 | 1329 | |
|---|
| 924 | 1330 | seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT)); |
|---|
| 1331 | + |
|---|
| 1332 | + pm_runtime_mark_last_busy(dev->dev); |
|---|
| 1333 | + pm_runtime_put_autosuspend(dev->dev); |
|---|
| 1334 | + |
|---|
| 925 | 1335 | return 0; |
|---|
| 926 | 1336 | } |
|---|
| 927 | 1337 | |
|---|
| .. | .. |
|---|
| 932 | 1342 | {"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt}, |
|---|
| 933 | 1343 | }; |
|---|
| 934 | 1344 | |
|---|
| 1345 | +static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring, |
|---|
| 1346 | + struct dma_fence **fences) |
|---|
| 1347 | +{ |
|---|
| 1348 | + struct amdgpu_fence_driver *drv = &ring->fence_drv; |
|---|
| 1349 | + uint32_t sync_seq, last_seq; |
|---|
| 1350 | + |
|---|
| 1351 | + last_seq = atomic_read(&ring->fence_drv.last_seq); |
|---|
| 1352 | + sync_seq = ring->fence_drv.sync_seq; |
|---|
| 1353 | + |
|---|
| 1354 | + last_seq &= drv->num_fences_mask; |
|---|
| 1355 | + sync_seq &= drv->num_fences_mask; |
|---|
| 1356 | + |
|---|
| 1357 | + do { |
|---|
| 1358 | + struct dma_fence *fence, **ptr; |
|---|
| 1359 | + |
|---|
| 1360 | + ++last_seq; |
|---|
| 1361 | + last_seq &= drv->num_fences_mask; |
|---|
| 1362 | + ptr = &drv->fences[last_seq]; |
|---|
| 1363 | + |
|---|
| 1364 | + fence = rcu_dereference_protected(*ptr, 1); |
|---|
| 1365 | + RCU_INIT_POINTER(*ptr, NULL); |
|---|
| 1366 | + |
|---|
| 1367 | + if (!fence) |
|---|
| 1368 | + continue; |
|---|
| 1369 | + |
|---|
| 1370 | + fences[last_seq] = fence; |
|---|
| 1371 | + |
|---|
| 1372 | + } while (last_seq != sync_seq); |
|---|
| 1373 | +} |
|---|
| 1374 | + |
|---|
| 1375 | +static void amdgpu_ib_preempt_signal_fences(struct dma_fence **fences, |
|---|
| 1376 | + int length) |
|---|
| 1377 | +{ |
|---|
| 1378 | + int i; |
|---|
| 1379 | + struct dma_fence *fence; |
|---|
| 1380 | + |
|---|
| 1381 | + for (i = 0; i < length; i++) { |
|---|
| 1382 | + fence = fences[i]; |
|---|
| 1383 | + if (!fence) |
|---|
| 1384 | + continue; |
|---|
| 1385 | + dma_fence_signal(fence); |
|---|
| 1386 | + dma_fence_put(fence); |
|---|
| 1387 | + } |
|---|
| 1388 | +} |
|---|
| 1389 | + |
|---|
| 1390 | +static void amdgpu_ib_preempt_job_recovery(struct drm_gpu_scheduler *sched) |
|---|
| 1391 | +{ |
|---|
| 1392 | + struct drm_sched_job *s_job; |
|---|
| 1393 | + struct dma_fence *fence; |
|---|
| 1394 | + |
|---|
| 1395 | + spin_lock(&sched->job_list_lock); |
|---|
| 1396 | + list_for_each_entry(s_job, &sched->ring_mirror_list, node) { |
|---|
| 1397 | + fence = sched->ops->run_job(s_job); |
|---|
| 1398 | + dma_fence_put(fence); |
|---|
| 1399 | + } |
|---|
| 1400 | + spin_unlock(&sched->job_list_lock); |
|---|
| 1401 | +} |
|---|
| 1402 | + |
|---|
| 1403 | +static void amdgpu_ib_preempt_mark_partial_job(struct amdgpu_ring *ring) |
|---|
| 1404 | +{ |
|---|
| 1405 | + struct amdgpu_job *job; |
|---|
| 1406 | + struct drm_sched_job *s_job, *tmp; |
|---|
| 1407 | + uint32_t preempt_seq; |
|---|
| 1408 | + struct dma_fence *fence, **ptr; |
|---|
| 1409 | + struct amdgpu_fence_driver *drv = &ring->fence_drv; |
|---|
| 1410 | + struct drm_gpu_scheduler *sched = &ring->sched; |
|---|
| 1411 | + bool preempted = true; |
|---|
| 1412 | + |
|---|
| 1413 | + if (ring->funcs->type != AMDGPU_RING_TYPE_GFX) |
|---|
| 1414 | + return; |
|---|
| 1415 | + |
|---|
| 1416 | + preempt_seq = le32_to_cpu(*(drv->cpu_addr + 2)); |
|---|
| 1417 | + if (preempt_seq <= atomic_read(&drv->last_seq)) { |
|---|
| 1418 | + preempted = false; |
|---|
| 1419 | + goto no_preempt; |
|---|
| 1420 | + } |
|---|
| 1421 | + |
|---|
| 1422 | + preempt_seq &= drv->num_fences_mask; |
|---|
| 1423 | + ptr = &drv->fences[preempt_seq]; |
|---|
| 1424 | + fence = rcu_dereference_protected(*ptr, 1); |
|---|
| 1425 | + |
|---|
| 1426 | +no_preempt: |
|---|
| 1427 | + spin_lock(&sched->job_list_lock); |
|---|
| 1428 | + list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) { |
|---|
| 1429 | + if (dma_fence_is_signaled(&s_job->s_fence->finished)) { |
|---|
| 1430 | + /* remove job from ring_mirror_list */ |
|---|
| 1431 | + list_del_init(&s_job->node); |
|---|
| 1432 | + sched->ops->free_job(s_job); |
|---|
| 1433 | + continue; |
|---|
| 1434 | + } |
|---|
| 1435 | + job = to_amdgpu_job(s_job); |
|---|
| 1436 | + if (preempted && job->fence == fence) |
|---|
| 1437 | + /* mark the job as preempted */ |
|---|
| 1438 | + job->preemption_status |= AMDGPU_IB_PREEMPTED; |
|---|
| 1439 | + } |
|---|
| 1440 | + spin_unlock(&sched->job_list_lock); |
|---|
| 1441 | +} |
|---|
| 1442 | + |
|---|
| 1443 | +static int amdgpu_debugfs_ib_preempt(void *data, u64 val) |
|---|
| 1444 | +{ |
|---|
| 1445 | + int r, resched, length; |
|---|
| 1446 | + struct amdgpu_ring *ring; |
|---|
| 1447 | + struct dma_fence **fences = NULL; |
|---|
| 1448 | + struct amdgpu_device *adev = (struct amdgpu_device *)data; |
|---|
| 1449 | + |
|---|
| 1450 | + if (val >= AMDGPU_MAX_RINGS) |
|---|
| 1451 | + return -EINVAL; |
|---|
| 1452 | + |
|---|
| 1453 | + ring = adev->rings[val]; |
|---|
| 1454 | + |
|---|
| 1455 | + if (!ring || !ring->funcs->preempt_ib || !ring->sched.thread) |
|---|
| 1456 | + return -EINVAL; |
|---|
| 1457 | + |
|---|
| 1458 | + /* the last preemption failed */ |
|---|
| 1459 | + if (ring->trail_seq != le32_to_cpu(*ring->trail_fence_cpu_addr)) |
|---|
| 1460 | + return -EBUSY; |
|---|
| 1461 | + |
|---|
| 1462 | + length = ring->fence_drv.num_fences_mask + 1; |
|---|
| 1463 | + fences = kcalloc(length, sizeof(void *), GFP_KERNEL); |
|---|
| 1464 | + if (!fences) |
|---|
| 1465 | + return -ENOMEM; |
|---|
| 1466 | + |
|---|
| 1467 | + /* Avoid accidently unparking the sched thread during GPU reset */ |
|---|
| 1468 | + r = down_read_killable(&adev->reset_sem); |
|---|
| 1469 | + if (r) |
|---|
| 1470 | + goto pro_end; |
|---|
| 1471 | + |
|---|
| 1472 | + /* stop the scheduler */ |
|---|
| 1473 | + kthread_park(ring->sched.thread); |
|---|
| 1474 | + |
|---|
| 1475 | + resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); |
|---|
| 1476 | + |
|---|
| 1477 | + /* preempt the IB */ |
|---|
| 1478 | + r = amdgpu_ring_preempt_ib(ring); |
|---|
| 1479 | + if (r) { |
|---|
| 1480 | + DRM_WARN("failed to preempt ring %d\n", ring->idx); |
|---|
| 1481 | + goto failure; |
|---|
| 1482 | + } |
|---|
| 1483 | + |
|---|
| 1484 | + amdgpu_fence_process(ring); |
|---|
| 1485 | + |
|---|
| 1486 | + if (atomic_read(&ring->fence_drv.last_seq) != |
|---|
| 1487 | + ring->fence_drv.sync_seq) { |
|---|
| 1488 | + DRM_INFO("ring %d was preempted\n", ring->idx); |
|---|
| 1489 | + |
|---|
| 1490 | + amdgpu_ib_preempt_mark_partial_job(ring); |
|---|
| 1491 | + |
|---|
| 1492 | + /* swap out the old fences */ |
|---|
| 1493 | + amdgpu_ib_preempt_fences_swap(ring, fences); |
|---|
| 1494 | + |
|---|
| 1495 | + amdgpu_fence_driver_force_completion(ring); |
|---|
| 1496 | + |
|---|
| 1497 | + /* resubmit unfinished jobs */ |
|---|
| 1498 | + amdgpu_ib_preempt_job_recovery(&ring->sched); |
|---|
| 1499 | + |
|---|
| 1500 | + /* wait for jobs finished */ |
|---|
| 1501 | + amdgpu_fence_wait_empty(ring); |
|---|
| 1502 | + |
|---|
| 1503 | + /* signal the old fences */ |
|---|
| 1504 | + amdgpu_ib_preempt_signal_fences(fences, length); |
|---|
| 1505 | + } |
|---|
| 1506 | + |
|---|
| 1507 | +failure: |
|---|
| 1508 | + /* restart the scheduler */ |
|---|
| 1509 | + kthread_unpark(ring->sched.thread); |
|---|
| 1510 | + |
|---|
| 1511 | + up_read(&adev->reset_sem); |
|---|
| 1512 | + |
|---|
| 1513 | + ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); |
|---|
| 1514 | + |
|---|
| 1515 | +pro_end: |
|---|
| 1516 | + kfree(fences); |
|---|
| 1517 | + |
|---|
| 1518 | + return r; |
|---|
| 1519 | +} |
|---|
| 1520 | + |
|---|
| 1521 | +static int amdgpu_debugfs_sclk_set(void *data, u64 val) |
|---|
| 1522 | +{ |
|---|
| 1523 | + int ret = 0; |
|---|
| 1524 | + uint32_t max_freq, min_freq; |
|---|
| 1525 | + struct amdgpu_device *adev = (struct amdgpu_device *)data; |
|---|
| 1526 | + |
|---|
| 1527 | + if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) |
|---|
| 1528 | + return -EINVAL; |
|---|
| 1529 | + |
|---|
| 1530 | + ret = pm_runtime_get_sync(adev_to_drm(adev)->dev); |
|---|
| 1531 | + if (ret < 0) { |
|---|
| 1532 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1533 | + return ret; |
|---|
| 1534 | + } |
|---|
| 1535 | + |
|---|
| 1536 | + if (is_support_sw_smu(adev)) { |
|---|
| 1537 | + ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq); |
|---|
| 1538 | + if (ret || val > max_freq || val < min_freq) |
|---|
| 1539 | + return -EINVAL; |
|---|
| 1540 | + ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val); |
|---|
| 1541 | + } else { |
|---|
| 1542 | + return 0; |
|---|
| 1543 | + } |
|---|
| 1544 | + |
|---|
| 1545 | + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); |
|---|
| 1546 | + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); |
|---|
| 1547 | + |
|---|
| 1548 | + if (ret) |
|---|
| 1549 | + return -EINVAL; |
|---|
| 1550 | + |
|---|
| 1551 | + return 0; |
|---|
| 1552 | +} |
|---|
| 1553 | + |
|---|
| 1554 | +DEFINE_SIMPLE_ATTRIBUTE(fops_ib_preempt, NULL, |
|---|
| 1555 | + amdgpu_debugfs_ib_preempt, "%llu\n"); |
|---|
| 1556 | + |
|---|
| 1557 | +DEFINE_SIMPLE_ATTRIBUTE(fops_sclk_set, NULL, |
|---|
| 1558 | + amdgpu_debugfs_sclk_set, "%llu\n"); |
|---|
| 1559 | + |
|---|
| 935 | 1560 | int amdgpu_debugfs_init(struct amdgpu_device *adev) |
|---|
| 936 | 1561 | { |
|---|
| 1562 | + int r, i; |
|---|
| 1563 | + |
|---|
| 1564 | + adev->debugfs_preempt = |
|---|
| 1565 | + debugfs_create_file("amdgpu_preempt_ib", 0600, |
|---|
| 1566 | + adev_to_drm(adev)->primary->debugfs_root, adev, |
|---|
| 1567 | + &fops_ib_preempt); |
|---|
| 1568 | + if (!(adev->debugfs_preempt)) { |
|---|
| 1569 | + DRM_ERROR("unable to create amdgpu_preempt_ib debugsfs file\n"); |
|---|
| 1570 | + return -EIO; |
|---|
| 1571 | + } |
|---|
| 1572 | + |
|---|
| 1573 | + adev->smu.debugfs_sclk = |
|---|
| 1574 | + debugfs_create_file("amdgpu_force_sclk", 0200, |
|---|
| 1575 | + adev_to_drm(adev)->primary->debugfs_root, adev, |
|---|
| 1576 | + &fops_sclk_set); |
|---|
| 1577 | + if (!(adev->smu.debugfs_sclk)) { |
|---|
| 1578 | + DRM_ERROR("unable to create amdgpu_set_sclk debugsfs file\n"); |
|---|
| 1579 | + return -EIO; |
|---|
| 1580 | + } |
|---|
| 1581 | + |
|---|
| 1582 | + /* Register debugfs entries for amdgpu_ttm */ |
|---|
| 1583 | + r = amdgpu_ttm_debugfs_init(adev); |
|---|
| 1584 | + if (r) { |
|---|
| 1585 | + DRM_ERROR("Failed to init debugfs\n"); |
|---|
| 1586 | + return r; |
|---|
| 1587 | + } |
|---|
| 1588 | + |
|---|
| 1589 | + r = amdgpu_debugfs_pm_init(adev); |
|---|
| 1590 | + if (r) { |
|---|
| 1591 | + DRM_ERROR("Failed to register debugfs file for dpm!\n"); |
|---|
| 1592 | + return r; |
|---|
| 1593 | + } |
|---|
| 1594 | + |
|---|
| 1595 | + if (amdgpu_debugfs_sa_init(adev)) { |
|---|
| 1596 | + dev_err(adev->dev, "failed to register debugfs file for SA\n"); |
|---|
| 1597 | + } |
|---|
| 1598 | + |
|---|
| 1599 | + if (amdgpu_debugfs_fence_init(adev)) |
|---|
| 1600 | + dev_err(adev->dev, "fence debugfs file creation failed\n"); |
|---|
| 1601 | + |
|---|
| 1602 | + r = amdgpu_debugfs_gem_init(adev); |
|---|
| 1603 | + if (r) |
|---|
| 1604 | + DRM_ERROR("registering gem debugfs failed (%d).\n", r); |
|---|
| 1605 | + |
|---|
| 1606 | + r = amdgpu_debugfs_regs_init(adev); |
|---|
| 1607 | + if (r) |
|---|
| 1608 | + DRM_ERROR("registering register debugfs failed (%d).\n", r); |
|---|
| 1609 | + |
|---|
| 1610 | + r = amdgpu_debugfs_firmware_init(adev); |
|---|
| 1611 | + if (r) |
|---|
| 1612 | + DRM_ERROR("registering firmware debugfs failed (%d).\n", r); |
|---|
| 1613 | + |
|---|
| 1614 | +#if defined(CONFIG_DRM_AMD_DC) |
|---|
| 1615 | + if (amdgpu_device_has_dc_support(adev)) { |
|---|
| 1616 | + if (dtn_debugfs_init(adev)) |
|---|
| 1617 | + DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n"); |
|---|
| 1618 | + } |
|---|
| 1619 | +#endif |
|---|
| 1620 | + |
|---|
| 1621 | + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { |
|---|
| 1622 | + struct amdgpu_ring *ring = adev->rings[i]; |
|---|
| 1623 | + |
|---|
| 1624 | + if (!ring) |
|---|
| 1625 | + continue; |
|---|
| 1626 | + |
|---|
| 1627 | + if (amdgpu_debugfs_ring_init(adev, ring)) { |
|---|
| 1628 | + DRM_ERROR("Failed to register debugfs file for rings !\n"); |
|---|
| 1629 | + } |
|---|
| 1630 | + } |
|---|
| 1631 | + |
|---|
| 1632 | + amdgpu_ras_debugfs_create_all(adev); |
|---|
| 1633 | + |
|---|
| 1634 | + amdgpu_debugfs_autodump_init(adev); |
|---|
| 1635 | + |
|---|
| 1636 | + amdgpu_rap_debugfs_init(adev); |
|---|
| 1637 | + |
|---|
| 937 | 1638 | return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list, |
|---|
| 938 | 1639 | ARRAY_SIZE(amdgpu_debugfs_list)); |
|---|
| 939 | 1640 | } |
|---|
| .. | .. |
|---|
| 947 | 1648 | { |
|---|
| 948 | 1649 | return 0; |
|---|
| 949 | 1650 | } |
|---|
| 950 | | -void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } |
|---|
| 951 | 1651 | #endif |
|---|