Am Freitag, den 21.12.2012, 13:39 +0200 schrieb Terje Bergstrom: > Register a dummy device for tegradrm, and provide a getter to > access the device. > > Signed-off-by: Terje Bergstrom <tbergstrom@xxxxxxxxxx> > --- [...] > diff --git a/drivers/gpu/host1x/drm.c b/drivers/gpu/host1x/drm.c > new file mode 100644 > index 0000000..eaaaeed > --- /dev/null > +++ b/drivers/gpu/host1x/drm.c > @@ -0,0 +1,51 @@ > +/* > + * Tegra host1x driver DRM dummy device > + * > + * Copyright (c) 2012, NVIDIA Corporation. > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms and conditions of the GNU General Public License, > + * version 2, as published by the Free Software Foundation. > + * > + * This program is distributed in the hope it will be useful, but WITHOUT > + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or > + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for > + * more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program. If not, see <http://www.gnu.org/licenses/>. > + */ > + > +#include <linux/platform_device.h> > +#include <linux/dma-mapping.h> > +#include <linux/module.h> > +#include "drm.h" > +#include "dev.h" > + > +int host1x_register_drm_device(struct host1x *host1x) > +{ > + struct platform_device *drm_device; > + > + drm_device = platform_device_register_simple("tegradrm", -1, NULL, 0); > + if (!drm_device) > + return -ENOMEM; > + dma_set_coherent_mask(&drm_device->dev, DMA_BIT_MASK(32)); > + This might not be necessary once we move the allocator to host1x. > + host1x->drm_device = drm_device; > + return 0; > +} > +EXPORT_SYMBOL(host1x_register_drm_device); > + > +void host1x_unregister_drm_device(struct host1x *host1x) > +{ > + if (host1x->drm_device) > + platform_device_unregister(host1x->drm_device); > +} > +EXPORT_SYMBOL(host1x_unregister_drm_device); > + > +struct platform_device *host1x_drm_device(struct platform_device *pdev) > +{ > + struct host1x *host = platform_get_drvdata(pdev); > + return host->drm_device; > +} > +EXPORT_SYMBOL(host1x_drm_device); This should be called host1x_get_drm_device _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
