diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2013-11-04 01:15:38 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-11-08 05:39:56 (GMT) |
| commit | 46ea16884c19cb63254cfc6150a76055afbe63e7 (patch) | |
| tree | 3447e27454bfa73e07c131571484f1aa21e7e52d /drivers/gpu/drm/nouveau/nouveau_fbcon.c | |
| parent | 6d8d163132d7df6ca701efcde7832046ecb2f040 (diff) | |
| download | linux-46ea16884c19cb63254cfc6150a76055afbe63e7.tar.xz | |
drm/nouveau/fbcon: bracket entrypoints with a per-device enabled check
We don't necessarily have fbcon on all devices these days.
Fixes suspend on (at least) Quadro NVS 450.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fbcon.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fbcon.c | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index c80b519..7903e0e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -503,34 +503,45 @@ nouveau_fbcon_fini(struct drm_device *dev) drm->fbcon = NULL; } -void nouveau_fbcon_save_disable_accel(struct drm_device *dev) +void +nouveau_fbcon_save_disable_accel(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); - - drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags; - drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; + if (drm->fbcon) { + drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags; + drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; + } } -void nouveau_fbcon_restore_accel(struct drm_device *dev) +void +nouveau_fbcon_restore_accel(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); - drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags; + if (drm->fbcon) { + drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags; + } } -void nouveau_fbcon_set_suspend(struct drm_device *dev, int state) +void +nouveau_fbcon_set_suspend(struct drm_device *dev, int state) { struct nouveau_drm *drm = nouveau_drm(dev); - console_lock(); - if (state == 0) - nouveau_fbcon_save_disable_accel(dev); - fb_set_suspend(drm->fbcon->helper.fbdev, state); - if (state == 1) - nouveau_fbcon_restore_accel(dev); - console_unlock(); + if (drm->fbcon) { + console_lock(); + if (state == 0) + nouveau_fbcon_save_disable_accel(dev); + fb_set_suspend(drm->fbcon->helper.fbdev, state); + if (state == 1) + nouveau_fbcon_restore_accel(dev); + console_unlock(); + } } -void nouveau_fbcon_zfill_all(struct drm_device *dev) +void +nouveau_fbcon_zfill_all(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); - nouveau_fbcon_zfill(dev, drm->fbcon); + if (drm->fbcon) { + nouveau_fbcon_zfill(dev, drm->fbcon); + } } |