The 4.15 vmwgfx driver shows a warning during boot (32 bit x86)
It is caused by a mismatch between the result of vmw_enable_vblank() and
what the drm_atomic_helper expects:
/...
ret = drm_crtc_vblank_get(crtc);
WARN_ONCE(ret != -EINVAL, "driver forgot to call
drm_crtc_vblank_off()\n");
/...
Signed-off by: Woody Suwalski <[email protected]>
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 2017-11-22
15:29:46.511674079 -0500
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 2017-11-22
15:30:35.344559592 -0500
@@ -1869,7 +1869,7 @@ u32 vmw_get_vblank_counter(struct drm_de
*/
int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
- return -ENOSYS;
+ return -EINVAL;
}
/**
From 1586177165767671412@xxx Fri Dec 08 01:27:04 +0000 2017
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