[PATCH 2/3] drm/etnaviv: move fence allocation out of etnaviv_gpu_submit()

Russell King - ARM Linux linux at armlinux.org.uk
Wed Mar 8 18:28:18 UTC 2017


On Wed, Mar 08, 2017 at 11:42:17AM -0300, Gustavo Padovan wrote:
> Hi Philipp,
> 
> 2017-03-08 Philipp Zabel <p.zabel at pengutronix.de>:
> 
> > The next patch will need the dma_fence to create the sync_file in
> > etnaviv_ioctl_gem_submit, in case an out_fence_fd is requested.
> > 
> > Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
> > ---
> >  drivers/gpu/drm/etnaviv/etnaviv_gem.h        |  3 ++-
> >  drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c |  8 +++++++-
> >  drivers/gpu/drm/etnaviv/etnaviv_gpu.c        | 21 ++++++---------------
> >  drivers/gpu/drm/etnaviv/etnaviv_gpu.h        |  1 +
> >  4 files changed, 16 insertions(+), 17 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
> > index 120410d67eb5b..c4a091e874269 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
> > @@ -20,6 +20,7 @@
> >  #include <linux/reservation.h>
> >  #include "etnaviv_drv.h"
> >  
> > +struct dma_fence;
> 
> Why not #include <linux/dma_fence.h> ?

Adding needless includes when a struct prototype will do eventually
creates headaches with circular dependencies and the like.  Low
probability in this case, but the principle is a good one to adhere
to.

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