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drm/nouveau: prepare for reporting channel owner

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- record channel owner process name
- add some helpers for accessing this information
- let nouveau_enum hold additional value (will be needed in the next patch)

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Marcin Slusarz
2012-12-09 15:45:21 +01:00
committed by Ben Skeggs
parent f533da1027
commit a2896cede0
7 changed files with 36 additions and 5 deletions
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5
drivers/gpu/drm/nouveau/nouveau_drm.c
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@@ -543,10 +543,11 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
struct pci_dev *pdev = dev->pdev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli;
char name[16];
char name[32], tmpname[TASK_COMM_LEN];
int ret;
snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
if (ret)