diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drm.c | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 107f63f08bd9..5664c4c71faf 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -30,8 +30,9 @@ #include <linux/vga_switcheroo.h> #include <linux/mmu_notifier.h> #include <linux/dynamic_debug.h> +#include <linux/debugfs.h> -#include <drm/drm_client_setup.h> +#include <drm/clients/drm_client_setup.h> #include <drm/drm_drv.h> #include <drm/drm_fbdev_ttm.h> #include <drm/drm_gem_ttm_helper.h> @@ -47,6 +48,7 @@ #include <nvif/fifo.h> #include <nvif/push006c.h> #include <nvif/user.h> +#include <nvif/log.h> #include <nvif/class.h> #include <nvif/cl0002.h> @@ -113,6 +115,20 @@ static struct drm_driver driver_stub; static struct drm_driver driver_pci; static struct drm_driver driver_platform; +#ifdef CONFIG_DEBUG_FS +struct dentry *nouveau_debugfs_root; + +/** + * gsp_logs - list of nvif_log GSP-RM logging buffers + * + * Head pointer to a a list of nvif_log buffers that is created for each GPU + * upon GSP shutdown if the "keep_gsp_logging" command-line parameter is + * specified. This is used to track the alternative debugfs entries for the + * GSP-RM logs. + */ +NVIF_LOGS_DECLARE(gsp_logs); +#endif + static u64 nouveau_pci_name(struct pci_dev *pdev) { @@ -1159,7 +1175,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) { struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_cli *cli; - char name[32], tmpname[TASK_COMM_LEN]; + char name[32]; int ret; /* need to bring up power immediately if opening device */ @@ -1169,10 +1185,9 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) return ret; } - get_task_comm(tmpname, current); rcu_read_lock(); snprintf(name, sizeof(name), "%s[%d]", - tmpname, pid_nr(rcu_dereference(fpriv->pid))); + current->comm, pid_nr(rcu_dereference(fpriv->pid))); rcu_read_unlock(); if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) { @@ -1326,11 +1341,6 @@ driver_stub = { .name = DRIVER_NAME, .desc = DRIVER_DESC, -#ifdef GIT_REVISION - .date = GIT_REVISION, -#else - .date = DRIVER_DATE, -#endif .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, @@ -1423,6 +1433,8 @@ err_free: static int __init nouveau_drm_init(void) { + int ret; + driver_pci = driver_stub; driver_platform = driver_stub; @@ -1436,6 +1448,10 @@ nouveau_drm_init(void) if (!nouveau_modeset) return 0; + ret = nouveau_module_debugfs_init(); + if (ret) + return ret; + #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER platform_driver_register(&nouveau_platform_driver); #endif @@ -1444,10 +1460,14 @@ nouveau_drm_init(void) nouveau_backlight_ctor(); #ifdef CONFIG_PCI - return pci_register_driver(&nouveau_drm_pci_driver); -#else - return 0; + ret = pci_register_driver(&nouveau_drm_pci_driver); + if (ret) { + nouveau_module_debugfs_fini(); + return ret; + } #endif + + return 0; } static void __exit @@ -1467,6 +1487,12 @@ nouveau_drm_exit(void) #endif if (IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM)) mmu_notifier_synchronize(); + +#ifdef CONFIG_DEBUG_FS + nvif_log_shutdown(&gsp_logs); +#endif + + nouveau_module_debugfs_fini(); } module_init(nouveau_drm_init); |