diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 128 |
1 files changed, 124 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 01168b8955bf..edcf2738748a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1153,6 +1153,8 @@ static int smu_smc_hw_setup(struct smu_context *smu) case IP_VERSION(11, 5, 0): case IP_VERSION(11, 0, 12): ret = smu_system_features_control(smu, true); + if (ret) + dev_err(adev->dev, "Failed system features control!\n"); break; default: break; @@ -1277,8 +1279,10 @@ static int smu_smc_hw_setup(struct smu_context *smu) } ret = smu_notify_display_change(smu); - if (ret) + if (ret) { + dev_err(adev->dev, "Failed to notify display change!\n"); return ret; + } /* * Set min deep sleep dce fclk with bootup value from vbios via @@ -1286,8 +1290,6 @@ static int smu_smc_hw_setup(struct smu_context *smu) */ ret = smu_set_min_dcef_deep_sleep(smu, smu->smu_table.boot_values.dcefclk / 100); - if (ret) - return ret; return ret; } @@ -1468,7 +1470,7 @@ static int smu_disable_dpms(struct smu_context *smu) dev_err(adev->dev, "Failed to disable smu features.\n"); } - if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 0, 0) && + if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) && adev->gfx.rlc.funcs->stop) adev->gfx.rlc.funcs->stop(adev); @@ -3072,6 +3074,20 @@ int smu_set_light_sbr(struct smu_context *smu, bool enable) return ret; } +int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc) +{ + int ret = -EOPNOTSUPP; + + mutex_lock(&smu->mutex); + if (smu->ppt_funcs && + smu->ppt_funcs->get_ecc_info) + ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc); + mutex_unlock(&smu->mutex); + + return ret; + +} + static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size) { struct smu_context *smu = handle; @@ -3161,3 +3177,107 @@ int smu_wait_for_event(struct amdgpu_device *adev, enum smu_event_type event, return ret; } + +int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size) +{ + + if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled) + return -EOPNOTSUPP; + + /* Confirm the buffer allocated is of correct size */ + if (size != smu->stb_context.stb_buf_size) + return -EINVAL; + + /* + * No need to lock smu mutex as we access STB directly through MMIO + * and not going through SMU messaging route (for now at least). + * For registers access rely on implementation internal locking. + */ + return smu->ppt_funcs->stb_collect_info(smu, buf, size); +} + +#if defined(CONFIG_DEBUG_FS) + +static int smu_stb_debugfs_open(struct inode *inode, struct file *filp) +{ + struct amdgpu_device *adev = filp->f_inode->i_private; + struct smu_context *smu = &adev->smu; + unsigned char *buf; + int r; + + buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL); + if (!buf) + return -ENOMEM; + + r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size); + if (r) + goto out; + + filp->private_data = buf; + + return 0; + +out: + kvfree(buf); + return r; +} + +static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size, + loff_t *pos) +{ + struct amdgpu_device *adev = filp->f_inode->i_private; + struct smu_context *smu = &adev->smu; + + + if (!filp->private_data) + return -EINVAL; + + return simple_read_from_buffer(buf, + size, + pos, filp->private_data, + smu->stb_context.stb_buf_size); +} + +static int smu_stb_debugfs_release(struct inode *inode, struct file *filp) +{ + kvfree(filp->private_data); + filp->private_data = NULL; + + return 0; +} + +/* + * We have to define not only read method but also + * open and release because .read takes up to PAGE_SIZE + * data each time so and so is invoked multiple times. + * We allocate the STB buffer in .open and release it + * in .release + */ +static const struct file_operations smu_stb_debugfs_fops = { + .owner = THIS_MODULE, + .open = smu_stb_debugfs_open, + .read = smu_stb_debugfs_read, + .release = smu_stb_debugfs_release, + .llseek = default_llseek, +}; + +#endif + +void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev) +{ +#if defined(CONFIG_DEBUG_FS) + + struct smu_context *smu = &adev->smu; + + if (!smu->stb_context.stb_buf_size) + return; + + debugfs_create_file_size("amdgpu_smu_stb_dump", + S_IRUSR, + adev_to_drm(adev)->primary->debugfs_root, + adev, + &smu_stb_debugfs_fops, + smu->stb_context.stb_buf_size); +#endif + +} |