Hi Sam, On 01/15, Sam Ravnborg wrote: > 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.vetter@xxxxxxxxx> > > > Cc: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx> > > > Cc: Haneen Mohammed <hamohammed.sa@xxxxxxxxx> > > > Cc: Daniel Vetter <daniel@xxxxxxxx> > > > --- > > > 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 Thanks for the link. Reviewed-by: Rodrigo Siqueira <rodrigosiqueira@xxxxxxxxx> Tested-by: Rodrigo Siqueira <rodrigosiqueira@xxxxxxxxx> Best Regards > Hope this sched enough light on the topic. > > Sam -- Rodrigo Siqueira Software Engineer, Advanced Micro Devices (AMD) https://siqueira.tech
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