Hi Rodrigo. On Tue, Jan 14, 2020 at 06:50:13PM -0500, Rodrigo Siqueira wrote: > On 12/13, Daniel Vetter wrote: > > Checking both is one too much, so wrap a WARN_ON around it to stope > > the copypasta. > > > > Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> > > Cc: Rodrigo Siqueira <rodrigosiqueiram...@gmail.com> > > Cc: Haneen Mohammed <hamohammed...@gmail.com> > > Cc: Daniel Vetter <dan...@ffwll.ch> > > --- > > drivers/gpu/drm/vkms/vkms_plane.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/vkms/vkms_plane.c > > b/drivers/gpu/drm/vkms/vkms_plane.c > > index 5fc8f85aaf3d..6d31265a2ab7 100644 > > --- a/drivers/gpu/drm/vkms/vkms_plane.c > > +++ b/drivers/gpu/drm/vkms/vkms_plane.c > > @@ -117,7 +117,7 @@ static int vkms_plane_atomic_check(struct drm_plane > > *plane, > > bool can_position = false; > > int ret; > > > > - if (!state->fb | !state->crtc) > > + if (!state->fb || WARN_ON(!state->crtc)) > > return 0; > > > > crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); > > -- > > 2.24.0 > > > > Hi, > > Sorry, the delay in taking a look at this patch. > > I tried to find the whole series for getting the context related to this > patch, but I could not find it in my mailbox. Could you shed some light > here? Why check fb and crtc is too much? How the WARN_ON fix the issue?
You can find some background in the first patch: https://lists.freedesktop.org/archives/dri-devel/2019-December/248981.html Hope this sched enough light on the topic. Sam _______________________________________________ dri-devel mailing list firstname.lastname@example.org https://lists.freedesktop.org/mailman/listinfo/dri-devel