From: Alan Cox <a...@linux.intel.com>
Reported-by: Guillaume Clément <guilla...@baobob.org>
Signed-off-by: Alan Cox <a...@linux.intel.com>
Cc: <sta...@kernel.org>
---
drivers/gpu/drm/gma500/psb_device.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/gma500/psb_device.c
b/drivers/gpu/drm/gma500/psb_device.c
index 2a3e2da..eff039b 100644
--- a/drivers/gpu/drm/gma500/psb_device.c
+++ b/drivers/gpu/drm/gma500/psb_device.c
@@ -197,7 +197,8 @@ static int psb_save_display_registers(struct drm_device
*dev)
}
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
- connector->funcs->save(connector);
+ if (connector->funcs->save)
+ connector->funcs->save(connector);
mutex_unlock(&dev->mode_config.mutex);
return 0;
@@ -235,7 +236,8 @@ static int psb_restore_display_registers(struct drm_device
*dev)
crtc->funcs->restore(crtc);
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
- connector->funcs->restore(connector);
+ if (connector->funcs->restore)
+ connector->funcs->restore(connector);
mutex_unlock(&dev->mode_config.mutex);
return 0;
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