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Current Path: /usr/src/sys/dev/drm2

📁 ..
📄 drm.h(25.25 KB)
📄 drmP.h(60.47 KB)
📄 drm_agpsupport.c(12.05 KB)
📄 drm_atomic.h(3.48 KB)
📄 drm_auth.c(6.12 KB)
📄 drm_buffer.c(5.02 KB)
📄 drm_buffer.h(4.55 KB)
📄 drm_bufs.c(43.77 KB)
📄 drm_context.c(12.07 KB)
📄 drm_core.h(1.48 KB)
📄 drm_crtc.c(97.29 KB)
📄 drm_crtc.h(38.9 KB)
📄 drm_crtc_helper.c(31.32 KB)
📄 drm_crtc_helper.h(6.37 KB)
📄 drm_dma.c(4.04 KB)
📄 drm_dp_helper.c(4.5 KB)
📄 drm_dp_helper.h(12.35 KB)
📄 drm_dp_iic_helper.c(6.54 KB)
📄 drm_drv.c(17.48 KB)
📄 drm_edid.c(51.99 KB)
📄 drm_edid.h(7.55 KB)
📄 drm_edid_modes.h(33.57 KB)
📄 drm_fb_helper.c(38.84 KB)
📄 drm_fb_helper.h(4.21 KB)
📄 drm_fixed.h(2.23 KB)
📄 drm_fops.c(15.14 KB)
📄 drm_fourcc.h(7.93 KB)
📄 drm_gem.c(11.57 KB)
📄 drm_gem_names.c(5.59 KB)
📄 drm_gem_names.h(2.46 KB)
📄 drm_global.c(3.16 KB)
📄 drm_global.h(2.01 KB)
📄 drm_hashtab.c(4.94 KB)
📄 drm_hashtab.h(2.57 KB)
📄 drm_ioc32.c(21.88 KB)
📄 drm_ioctl.c(8.81 KB)
📄 drm_irq.c(41.03 KB)
📄 drm_linux_list.h(7.88 KB)
📄 drm_linux_list_sort.c(2.53 KB)
📄 drm_lock.c(10.27 KB)
📄 drm_mem_util.h(1.77 KB)
📄 drm_memory.c(3.78 KB)
📄 drm_mm.c(19.2 KB)
📄 drm_mm.h(8.52 KB)
📄 drm_mode.h(12.16 KB)
📄 drm_modes.c(33.66 KB)
📄 drm_os_freebsd.c(11.36 KB)
📄 drm_os_freebsd.h(17.72 KB)
📄 drm_pci.c(12.35 KB)
📄 drm_pciids.h(70.22 KB)
📄 drm_platform.c(4.58 KB)
📄 drm_sarea.h(2.64 KB)
📄 drm_scatter.c(3.58 KB)
📄 drm_stub.c(12.1 KB)
📄 drm_sysctl.c(9.99 KB)
📄 drm_vm.c(4.18 KB)
📁 ttm

Editing: drm_memory.c

/**
 * \file drm_memory.c
 * Memory management wrappers for DRM
 *
 * \author Rickard E. (Rik) Faith <faith@valinux.com>
 * \author Gareth Hughes <gareth@valinux.com>
 */

/*
 * Created: Thu Feb  4 14:00:34 1999 by faith@valinux.com
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <dev/drm2/drmP.h>

#define	vunmap(handle)

#if __OS_HAS_AGP
static void *agp_remap(unsigned long offset, unsigned long size,
		       struct drm_device * dev)
{
	/*
	 * FIXME Linux<->FreeBSD: Not implemented. This is never called
	 * on FreeBSD anyway, because drm_agp_mem->cant_use_aperture is
	 * set to 0.
	 */
	return NULL;
}

/** Wrapper around agp_free_memory() */
void drm_free_agp(DRM_AGP_MEM * handle, int pages)
{
	device_t agpdev;

agpdev = agp_find_device();
	if (!agpdev || !handle)
		return;

agp_free_memory(agpdev, handle);
}
EXPORT_SYMBOL(drm_free_agp);

/** Wrapper around agp_bind_memory() */
int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
{
	device_t agpdev;

agpdev = agp_find_device();
	if (!agpdev || !handle)
		return -EINVAL;

return -agp_bind_memory(agpdev, handle, start * PAGE_SIZE);
}

/** Wrapper around agp_unbind_memory() */
int drm_unbind_agp(DRM_AGP_MEM * handle)
{
	device_t agpdev;

agpdev = agp_find_device();
	if (!agpdev || !handle)
		return -EINVAL;

return -agp_unbind_memory(agpdev, handle);
}
EXPORT_SYMBOL(drm_unbind_agp);

#else  /*  __OS_HAS_AGP  */
static inline void *agp_remap(unsigned long offset, unsigned long size,
			      struct drm_device * dev)
{
	return NULL;
}

#endif				/* agp */

void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
{
	if (drm_core_has_AGP(dev) &&
	    dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
		map->handle = agp_remap(map->offset, map->size, dev);
	else
		map->handle = pmap_mapdev(map->offset, map->size);
}
EXPORT_SYMBOL(drm_core_ioremap);

void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
{
	if (drm_core_has_AGP(dev) &&
	    dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
		map->handle = agp_remap(map->offset, map->size, dev);
	else
		map->handle = pmap_mapdev_attr(map->offset, map->size,
		    VM_MEMATTR_WRITE_COMBINING);
}
EXPORT_SYMBOL(drm_core_ioremap_wc);

void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
{
	if (!map->handle || !map->size)
		return;

if (drm_core_has_AGP(dev) &&
	    dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
		vunmap(map->handle);
	else
		pmap_unmapdev((vm_offset_t)map->handle, map->size);
}
EXPORT_SYMBOL(drm_core_ioremapfree);

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Editing: drm_memory.c

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