diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 458 |
1 files changed, 362 insertions, 96 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index c0f9a651dc06..2d125b8b15ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -27,13 +27,14 @@ #include <linux/pci.h> #include <linux/uaccess.h> #include <linux/pm_runtime.h> - +#include <linux/poll.h> #include <drm/drm_debugfs.h> #include "amdgpu.h" #include "amdgpu_pm.h" #include "amdgpu_dm_debugfs.h" #include "amdgpu_ras.h" +#include "amdgpu_rap.h" /** * amdgpu_debugfs_add_files - Add simple debugfs entries @@ -68,13 +69,91 @@ int amdgpu_debugfs_add_files(struct amdgpu_device *adev, adev->debugfs_count = i; #if defined(CONFIG_DEBUG_FS) drm_debugfs_create_files(files, nfiles, - adev->ddev->primary->debugfs_root, - adev->ddev->primary); + adev_to_drm(adev)->primary->debugfs_root, + adev_to_drm(adev)->primary); #endif return 0; } +int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev) +{ #if defined(CONFIG_DEBUG_FS) + unsigned long timeout = 600 * HZ; + int ret; + + wake_up_interruptible(&adev->autodump.gpu_hang); + + ret = wait_for_completion_interruptible_timeout(&adev->autodump.dumping, timeout); + if (ret == 0) { + pr_err("autodump: timeout, move on to gpu recovery\n"); + return -ETIMEDOUT; + } +#endif + return 0; +} + +#if defined(CONFIG_DEBUG_FS) + +static int amdgpu_debugfs_autodump_open(struct inode *inode, struct file *file) +{ + struct amdgpu_device *adev = inode->i_private; + int ret; + + file->private_data = adev; + + ret = down_read_killable(&adev->reset_sem); + if (ret) + return ret; + + if (adev->autodump.dumping.done) { + reinit_completion(&adev->autodump.dumping); + ret = 0; + } else { + ret = -EBUSY; + } + + up_read(&adev->reset_sem); + + return ret; +} + +static int amdgpu_debugfs_autodump_release(struct inode *inode, struct file *file) +{ + struct amdgpu_device *adev = file->private_data; + + complete_all(&adev->autodump.dumping); + return 0; +} + +static unsigned int amdgpu_debugfs_autodump_poll(struct file *file, struct poll_table_struct *poll_table) +{ + struct amdgpu_device *adev = file->private_data; + + poll_wait(file, &adev->autodump.gpu_hang, poll_table); + + if (amdgpu_in_reset(adev)) + return POLLIN | POLLRDNORM | POLLWRNORM; + + return 0; +} + +static const struct file_operations autodump_debug_fops = { + .owner = THIS_MODULE, + .open = amdgpu_debugfs_autodump_open, + .poll = amdgpu_debugfs_autodump_poll, + .release = amdgpu_debugfs_autodump_release, +}; + +static void amdgpu_debugfs_autodump_init(struct amdgpu_device *adev) +{ + init_completion(&adev->autodump.dumping); + complete_all(&adev->autodump.dumping); + init_waitqueue_head(&adev->autodump.gpu_hang); + + debugfs_create_file("amdgpu_autodump", 0600, + adev_to_drm(adev)->primary->debugfs_root, + adev, &autodump_debug_fops); +} /** * amdgpu_debugfs_process_reg_op - Handle MMIO register reads/writes @@ -148,15 +227,24 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f, *pos &= (1UL << 22) - 1; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } if (use_bank) { if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return -EINVAL; } mutex_lock(&adev->grbm_idx_mutex); @@ -179,7 +267,7 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f, } else { r = get_user(value, (uint32_t *)buf); if (!r) - amdgpu_mm_wreg_mmio_rlc(adev, *pos >> 2, value, 0); + amdgpu_mm_wreg_mmio_rlc(adev, *pos >> 2, value); } if (r) { result = r; @@ -204,9 +292,10 @@ end: if (pm_pg_lock) mutex_unlock(&adev->pm.mutex); - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -251,9 +340,17 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } while (size) { uint32_t value; @@ -261,8 +358,9 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, value = RREG32_PCIE(*pos >> 2); r = put_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return r; } @@ -272,9 +370,10 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -300,17 +399,26 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } while (size) { uint32_t value; r = get_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return r; } @@ -322,9 +430,10 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -350,9 +459,17 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } while (size) { uint32_t value; @@ -360,8 +477,9 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, value = RREG32_DIDT(*pos >> 2); r = put_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return r; } @@ -371,9 +489,10 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -399,17 +518,26 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } while (size) { uint32_t value; r = get_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return r; } @@ -421,9 +549,10 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -449,9 +578,17 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } while (size) { uint32_t value; @@ -459,8 +596,9 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, value = RREG32_SMC(*pos); r = put_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return r; } @@ -470,9 +608,10 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -498,17 +637,26 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } while (size) { uint32_t value; r = get_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return r; } @@ -520,9 +668,10 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -647,20 +796,32 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, valuesize = sizeof(values); - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - if (r) + if (r) { + amdgpu_virt_disable_access_debugfs(adev); return r; + } - if (size > valuesize) + if (size > valuesize) { + amdgpu_virt_disable_access_debugfs(adev); return -EINVAL; + } outsize = 0; x = 0; @@ -673,6 +834,7 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, } } + amdgpu_virt_disable_access_debugfs(adev); return !r ? outsize : r; } @@ -716,9 +878,17 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, wave = (*pos & GENMASK_ULL(36, 31)) >> 31; simd = (*pos & GENMASK_ULL(44, 37)) >> 37; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } /* switch to the specific se/sh/cu */ mutex_lock(&adev->grbm_idx_mutex); @@ -731,19 +901,23 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); mutex_unlock(&adev->grbm_idx_mutex); - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); - if (!x) + if (!x) { + amdgpu_virt_disable_access_debugfs(adev); return -EINVAL; + } while (size && (offset < x * 4)) { uint32_t value; value = data[offset >> 2]; r = put_user(value, (uint32_t *)buf); - if (r) + if (r) { + amdgpu_virt_disable_access_debugfs(adev); return r; + } result += 4; buf += 4; @@ -751,6 +925,7 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, size -= 4; } + amdgpu_virt_disable_access_debugfs(adev); return result; } @@ -801,9 +976,13 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, if (!data) return -ENOMEM; - r = pm_runtime_get_sync(adev->ddev->dev); + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); if (r < 0) - return r; + goto err; + + r = amdgpu_virt_enable_access_debugfs(adev); + if (r < 0) + goto err; /* switch to the specific se/sh/cu */ mutex_lock(&adev->grbm_idx_mutex); @@ -820,8 +999,8 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); mutex_unlock(&adev->grbm_idx_mutex); - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); while (size) { uint32_t value; @@ -829,7 +1008,7 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, value = data[result >> 2]; r = put_user(value, (uint32_t *)buf); if (r) { - result = r; + amdgpu_virt_disable_access_debugfs(adev); goto err; } @@ -838,9 +1017,14 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, size -= 4; } -err: kfree(data); + amdgpu_virt_disable_access_debugfs(adev); return result; + +err: + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + kfree(data); + return r; } /** @@ -863,17 +1047,19 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu if (size & 0x3 || *pos & 0x3) return -EINVAL; - r = pm_runtime_get_sync(adev->ddev->dev); - if (r < 0) + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } while (size) { uint32_t value; r = get_user(value, (uint32_t *)buf); if (r) { - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; } @@ -885,13 +1071,64 @@ static ssize_t amdgpu_debugfs_gfxoff_write(struct file *f, const char __user *bu size -= 4; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return result; } +/** + * amdgpu_debugfs_regs_gfxoff_status - read gfxoff status + * + * @f: open file handle + * @buf: User buffer to store read data in + * @size: Number of bytes to read + * @pos: Offset to seek to + */ +static ssize_t amdgpu_debugfs_gfxoff_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) + return r; + + while (size) { + uint32_t value; + + r = amdgpu_get_gfx_off_status(adev, &value); + if (r) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + r = put_user(value, (uint32_t *)buf); + if (r) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return result; +} + static const struct file_operations amdgpu_debugfs_regs_fops = { .owner = THIS_MODULE, .read = amdgpu_debugfs_regs_read, @@ -942,7 +1179,9 @@ static const struct file_operations amdgpu_debugfs_gpr_fops = { static const struct file_operations amdgpu_debugfs_gfxoff_fops = { .owner = THIS_MODULE, + .read = amdgpu_debugfs_gfxoff_read, .write = amdgpu_debugfs_gfxoff_write, + .llseek = default_llseek }; static const struct file_operations *debugfs_regs[] = { @@ -977,7 +1216,7 @@ static const char *debugfs_regs_names[] = { */ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) { - struct drm_minor *minor = adev->ddev->primary; + struct drm_minor *minor = adev_to_drm(adev)->primary; struct dentry *ent, *root = minor->debugfs_root; unsigned int i; @@ -997,15 +1236,19 @@ static int amdgpu_debugfs_test_ib(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 amdgpu_device *adev = drm_to_adev(dev); int r = 0, i; r = pm_runtime_get_sync(dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } /* Avoid accidently unparking the sched thread during GPU reset */ - mutex_lock(&adev->lock_reset); + r = down_read_killable(&adev->reset_sem); + if (r) + return r; /* hold on the scheduler */ for (i = 0; i < AMDGPU_MAX_RINGS; i++) { @@ -1032,7 +1275,7 @@ static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) kthread_unpark(ring->sched.thread); } - mutex_unlock(&adev->lock_reset); + up_read(&adev->reset_sem); pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); @@ -1044,7 +1287,7 @@ static int amdgpu_debugfs_get_vbios_dump(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 amdgpu_device *adev = drm_to_adev(dev); seq_write(m, adev->bios, adev->bios_size); return 0; @@ -1054,12 +1297,14 @@ static int amdgpu_debugfs_evict_vram(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 amdgpu_device *adev = drm_to_adev(dev); int r; r = pm_runtime_get_sync(dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev)); @@ -1073,12 +1318,14 @@ static int amdgpu_debugfs_evict_gtt(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 amdgpu_device *adev = drm_to_adev(dev); int r; r = pm_runtime_get_sync(dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return r; + } seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT)); @@ -1156,27 +1403,37 @@ static void amdgpu_ib_preempt_job_recovery(struct drm_gpu_scheduler *sched) static void amdgpu_ib_preempt_mark_partial_job(struct amdgpu_ring *ring) { struct amdgpu_job *job; - struct drm_sched_job *s_job; + struct drm_sched_job *s_job, *tmp; uint32_t preempt_seq; struct dma_fence *fence, **ptr; struct amdgpu_fence_driver *drv = &ring->fence_drv; struct drm_gpu_scheduler *sched = &ring->sched; + bool preempted = true; if (ring->funcs->type != AMDGPU_RING_TYPE_GFX) return; preempt_seq = le32_to_cpu(*(drv->cpu_addr + 2)); - if (preempt_seq <= atomic_read(&drv->last_seq)) - return; + if (preempt_seq <= atomic_read(&drv->last_seq)) { + preempted = false; + goto no_preempt; + } preempt_seq &= drv->num_fences_mask; ptr = &drv->fences[preempt_seq]; fence = rcu_dereference_protected(*ptr, 1); +no_preempt: spin_lock(&sched->job_list_lock); - list_for_each_entry(s_job, &sched->ring_mirror_list, node) { + list_for_each_entry_safe(s_job, tmp, &sched->ring_mirror_list, node) { + if (dma_fence_is_signaled(&s_job->s_fence->finished)) { + /* remove job from ring_mirror_list */ + list_del_init(&s_job->node); + sched->ops->free_job(s_job); + continue; + } job = to_amdgpu_job(s_job); - if (job->fence == fence) + if (preempted && job->fence == fence) /* mark the job as preempted */ job->preemption_status |= AMDGPU_IB_PREEMPTED; } @@ -1208,7 +1465,9 @@ static int amdgpu_debugfs_ib_preempt(void *data, u64 val) return -ENOMEM; /* Avoid accidently unparking the sched thread during GPU reset */ - mutex_lock(&adev->lock_reset); + r = down_read_killable(&adev->reset_sem); + if (r) + goto pro_end; /* stop the scheduler */ kthread_park(ring->sched.thread); @@ -1249,13 +1508,14 @@ failure: /* restart the scheduler */ kthread_unpark(ring->sched.thread); - mutex_unlock(&adev->lock_reset); + up_read(&adev->reset_sem); ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched); +pro_end: kfree(fences); - return 0; + return r; } static int amdgpu_debugfs_sclk_set(void *data, u64 val) @@ -1267,21 +1527,23 @@ static int amdgpu_debugfs_sclk_set(void *data, u64 val) if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) return -EINVAL; - ret = pm_runtime_get_sync(adev->ddev->dev); - if (ret < 0) + ret = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return ret; + } if (is_support_sw_smu(adev)) { - ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq, true); + ret = smu_get_dpm_freq_range(&adev->smu, SMU_SCLK, &min_freq, &max_freq); if (ret || val > max_freq || val < min_freq) return -EINVAL; - ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val, true); + ret = smu_set_soft_freq_range(&adev->smu, SMU_SCLK, (uint32_t)val, (uint32_t)val); } else { return 0; } - pm_runtime_mark_last_busy(adev->ddev->dev); - pm_runtime_put_autosuspend(adev->ddev->dev); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); if (ret) return -EINVAL; @@ -1301,7 +1563,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) adev->debugfs_preempt = debugfs_create_file("amdgpu_preempt_ib", 0600, - adev->ddev->primary->debugfs_root, adev, + adev_to_drm(adev)->primary->debugfs_root, adev, &fops_ib_preempt); if (!(adev->debugfs_preempt)) { DRM_ERROR("unable to create amdgpu_preempt_ib debugsfs file\n"); @@ -1310,7 +1572,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) adev->smu.debugfs_sclk = debugfs_create_file("amdgpu_force_sclk", 0200, - adev->ddev->primary->debugfs_root, adev, + adev_to_drm(adev)->primary->debugfs_root, adev, &fops_sclk_set); if (!(adev->smu.debugfs_sclk)) { DRM_ERROR("unable to create amdgpu_set_sclk debugsfs file\n"); @@ -1369,6 +1631,10 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) amdgpu_ras_debugfs_create_all(adev); + amdgpu_debugfs_autodump_init(adev); + + amdgpu_rap_debugfs_init(adev); + return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list, ARRAY_SIZE(amdgpu_debugfs_list)); } |