[Intel-gfx] [PATCH v3] drm: Return -EOPNOTSUPP in drm_setclientcap() when driver do not support KMS

[Daniel Vetter]

On Tue, Sep 18, 2018 at 09:02:04PM +0300, Ville Syrjälä wrote:
> On Tue, Sep 18, 2018 at 10:48:09AM -0700, José Roberto de Souza wrote:
> > All DRM_CLIENT capabilities are tied to KMS support, so returning
> > -EOPNOTSUPP when KMS is not supported.
> > 
> > v2: returning -EOPNOTSUPP(same value as posix ENOTSUP and available
> > in uapi) instead of -ENOTSUPP
> > 
> > v3: adding comments about the feature requirement about capabilities
> > 
> > Cc: Chris Wilson <chris at chris-wilson.co.uk>
> > Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> > ---
> >  drivers/gpu/drm/drm_ioctl.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
> > index 60dfbfae6a02..94bd872d56c4 100644
> > --- a/drivers/gpu/drm/drm_ioctl.c
> > +++ b/drivers/gpu/drm/drm_ioctl.c
> > @@ -306,6 +306,12 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv)
> >  {
> >  	struct drm_set_client_cap *req = data;
> >  
> > +	/* No render-only settable capabilities for now */
> > +
> > +	/* Below caps that only works with KMS drivers */
> 
> That doesn't seem quite English.

Looks close enough to me, so applied. Ime if you want to polish English,
it's best to just suggest a different wording, but then we don't have a
whole lot of professional English editors around here :-)

Thanks for the patch.
-Daniel

> 
> > +	if (!drm_core_check_feature(dev, DRIVER_MODESET))
> > +		return -EOPNOTSUPP;
> > +
> >  	switch (req->capability) {
> >  	case DRM_CLIENT_CAP_STEREO_3D:
> >  		if (req->value > 1)
> > -- 
> > 2.19.0
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Ville Syrjälä
> Intel
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch