linux-kernel - Re: [PATCH 4/5] drm/qxl: use drm_gem_object

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Message-ID: <20190903062417.a4gpgaollk5jruas@sirius.home.kraxel.org>
Date:   Tue, 3 Sep 2019 08:24:17 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
        <virtualization@...ts.linux-foundation.org>,
        "open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
        <spice-devel@...ts.freedesktop.org>,
        Dave Airlie <airlied@...hat.com>
Subject: Re: [PATCH 4/5] drm/qxl: use drm_gem_object_funcs callbacks

On Mon, Sep 02, 2019 at 04:34:49PM +0200, Thomas Zimmermann wrote:
> This patch seems unrelated.

Well, patch 5/5 depends on it because it hooks the
drm_gem_ttm_print_info helper into the new
qxl_object_funcs added by this patch.

> Am 02.09.19 um 14:41 schrieb Gerd Hoffmann:
> > Switch qxl to use drm_gem_object_funcs callbacks
> > instead of drm_driver callbacks.
> > 
> > Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
> > ---
> >  drivers/gpu/drm/qxl/qxl_drv.c    |  8 --------
> >  drivers/gpu/drm/qxl/qxl_object.c | 12 ++++++++++++
> >  2 files changed, 12 insertions(+), 8 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
> > index 2b726a51a302..996d428fa7e6 100644
> > --- a/drivers/gpu/drm/qxl/qxl_drv.c
> > +++ b/drivers/gpu/drm/qxl/qxl_drv.c
> > @@ -258,16 +258,8 @@ static struct drm_driver qxl_driver = {
> >  #endif
> >  	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
> >  	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
> > -	.gem_prime_pin = qxl_gem_prime_pin,
> > -	.gem_prime_unpin = qxl_gem_prime_unpin,
> > -	.gem_prime_get_sg_table = qxl_gem_prime_get_sg_table,
> >  	.gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
> > -	.gem_prime_vmap = qxl_gem_prime_vmap,
> > -	.gem_prime_vunmap = qxl_gem_prime_vunmap,
> >  	.gem_prime_mmap = qxl_gem_prime_mmap,
> > -	.gem_free_object_unlocked = qxl_gem_object_free,
> > -	.gem_open_object = qxl_gem_object_open,
> > -	.gem_close_object = qxl_gem_object_close,
> >  	.fops = &qxl_fops,
> >  	.ioctls = qxl_ioctls,
> >  	.irq_handler = qxl_irq_handler,
> > diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
> > index 548dfe6f3b26..29aab7b14513 100644
> > --- a/drivers/gpu/drm/qxl/qxl_object.c
> > +++ b/drivers/gpu/drm/qxl/qxl_object.c
> > @@ -77,6 +77,17 @@ void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
> >  	}
> >  }
> >  
> > +static const struct drm_gem_object_funcs qxl_object_funcs = {
> > +	.free = qxl_gem_object_free,
> > +	.open = qxl_gem_object_open,
> > +	.close = qxl_gem_object_close,
> > +	.pin = qxl_gem_prime_pin,
> > +	.unpin = qxl_gem_prime_unpin,
> > +	.get_sg_table = qxl_gem_prime_get_sg_table,
> > +	.vmap = qxl_gem_prime_vmap,
> > +	.vunmap = qxl_gem_prime_vunmap,
> > +};
> > +
> >  int qxl_bo_create(struct qxl_device *qdev,
> >  		  unsigned long size, bool kernel, bool pinned, u32 domain,
> >  		  struct qxl_surface *surf,
> > @@ -100,6 +111,7 @@ int qxl_bo_create(struct qxl_device *qdev,
> >  		kfree(bo);
> >  		return r;
> >  	}
> > +	bo->tbo.base.funcs = &qxl_object_funcs;
> >  	bo->type = domain;
> >  	bo->pin_count = pinned ? 1 : 0;
> >  	bo->surface_id = 0;
> > 
> 
> -- 
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
> GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
> HRB 21284 (AG Nürnberg)
>