On Fri, 2017-07-14 at 15:36 +0200, Mike Galbraith wrote:
> All DRM did was to slip a
> WARN_ON_ONCE() that nouveau triggers into a kernel module where such
> things no longer warn, they blow the box out of the water.
BTW, turn that irksome WARN_ON_ONCE() in drivers/gpu/drm/drm_vblank.c
into a WARN_ONCE(), and all is peachy, you get the warning, box lives.
---
drivers/gpu/drm/drm_vblank.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -605,7 +605,8 @@ bool drm_calc_vbltimestamp_from_scanoutp
*/
if (mode->crtc_clock == 0) {
DRM_DEBUG("crtc %u: Noop due to uninitialized mode.\n", pipe);
- WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev));
+ WARN_ONCE(drm_drv_uses_atomic_modeset(dev), "%s: report me.\n",
+ dev->driver->name);
return false;
}
