[deliverable/linux.git] / drivers / gpu / drm / radeon / radeon_object.c

/*
 * Copyright 2009 Jerome Glisse.
 * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS 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.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 */
/*
 * Authors:
 *    Jerome Glisse <glisse@freedesktop.org>
 *    Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
 *    Dave Airlie
 */
#include <linux/list.h>
#include <linux/slab.h>
#include <drm/drmP.h>
#include <drm/radeon_drm.h>
#include "radeon.h"
#include "radeon_trace.h"


int radeon_ttm_init(struct radeon_device *rdev);
void radeon_ttm_fini(struct radeon_device *rdev);
static void radeon_bo_clear_surface_reg(struct radeon_bo *bo);

/*
 * To exclude mutual BO access we rely on bo_reserve exclusion, as all
 * function are calling it.
 */

static void radeon_bo_clear_va(struct radeon_bo *bo)
{
	struct radeon_bo_va *bo_va, *tmp;

	list_for_each_entry_safe(bo_va, tmp, &bo->va, bo_list) {
		/* remove from all vm address space */
		radeon_vm_bo_rmv(bo->rdev, bo_va);
	}
}

static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo)
{
	struct radeon_bo *bo;

	bo = container_of(tbo, struct radeon_bo, tbo);
	mutex_lock(&bo->rdev->gem.mutex);
	list_del_init(&bo->list);
	mutex_unlock(&bo->rdev->gem.mutex);
	radeon_bo_clear_surface_reg(bo);
	radeon_bo_clear_va(bo);
	drm_gem_object_release(&bo->gem_base);
	kfree(bo);
}

bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo)
{
	if (bo->destroy == &radeon_ttm_bo_destroy)
		return true;
	return false;
}

void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
{
	u32 c = 0;

	rbo->placement.fpfn = 0;
	rbo->placement.lpfn = 0;
	rbo->placement.placement = rbo->placements;
	rbo->placement.busy_placement = rbo->placements;
	if (domain & RADEON_GEM_DOMAIN_VRAM)
		rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
					TTM_PL_FLAG_VRAM;
	if (domain & RADEON_GEM_DOMAIN_GTT) {
		if (rbo->rdev->flags & RADEON_IS_AGP) {
			rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT;
		} else {
			rbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
		}
	}
	if (domain & RADEON_GEM_DOMAIN_CPU) {
		if (rbo->rdev->flags & RADEON_IS_AGP) {
			rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_SYSTEM;
		} else {
			rbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM;
		}
	}
	if (!c)
		rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
	rbo->placement.num_placement = c;
	rbo->placement.num_busy_placement = c;
}

int radeon_bo_create(struct radeon_device *rdev,
		     unsigned long size, int byte_align, bool kernel, u32 domain,
		     struct sg_table *sg, struct radeon_bo **bo_ptr)
{
	struct radeon_bo *bo;
	enum ttm_bo_type type;
	unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
	size_t acc_size;
	int r;

	size = ALIGN(size, PAGE_SIZE);

	rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping;
	if (kernel) {
		type = ttm_bo_type_kernel;
	} else if (sg) {
		type = ttm_bo_type_sg;
	} else {
		type = ttm_bo_type_device;
	}
	*bo_ptr = NULL;

	acc_size = ttm_bo_dma_acc_size(&rdev->mman.bdev, size,
				       sizeof(struct radeon_bo));

	bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
	if (bo == NULL)
		return -ENOMEM;
	r = drm_gem_object_init(rdev->ddev, &bo->gem_base, size);
	if (unlikely(r)) {
		kfree(bo);
		return r;
	}
	bo->rdev = rdev;
	bo->surface_reg = -1;
	INIT_LIST_HEAD(&bo->list);
	INIT_LIST_HEAD(&bo->va);
	bo->initial_domain = domain & (RADEON_GEM_DOMAIN_VRAM |
	                               RADEON_GEM_DOMAIN_GTT |
	                               RADEON_GEM_DOMAIN_CPU);
	radeon_ttm_placement_from_domain(bo, domain);
	/* Kernel allocation are uninterruptible */
	down_read(&rdev->pm.mclk_lock);
	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
			&bo->placement, page_align, !kernel, NULL,
			acc_size, sg, &radeon_ttm_bo_destroy);
	up_read(&rdev->pm.mclk_lock);
	if (unlikely(r != 0)) {
		return r;
	}
	*bo_ptr = bo;

	trace_radeon_bo_create(bo);

	return 0;
}

int radeon_bo_kmap(struct radeon_bo *bo, void **ptr)
{
	bool is_iomem;
	int r;

	if (bo->kptr) {
		if (ptr) {
			*ptr = bo->kptr;
		}
		return 0;
	}
	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
	if (r) {
		return r;
	}
	bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
	if (ptr) {
		*ptr = bo->kptr;
	}
	radeon_bo_check_tiling(bo, 0, 0);
	return 0;
}

void radeon_bo_kunmap(struct radeon_bo *bo)
{
	if (bo->kptr == NULL)
		return;
	bo->kptr = NULL;
	radeon_bo_check_tiling(bo, 0, 0);
	ttm_bo_kunmap(&bo->kmap);
}

void radeon_bo_unref(struct radeon_bo **bo)
{
	struct ttm_buffer_object *tbo;
	struct radeon_device *rdev;

	if ((*bo) == NULL)
		return;
	rdev = (*bo)->rdev;
	tbo = &((*bo)->tbo);
	down_read(&rdev->pm.mclk_lock);
	ttm_bo_unref(&tbo);
	up_read(&rdev->pm.mclk_lock);
	if (tbo == NULL)
		*bo = NULL;
}

int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
			     u64 *gpu_addr)
{
	int r, i;

	if (bo->pin_count) {
		bo->pin_count++;
		if (gpu_addr)
			*gpu_addr = radeon_bo_gpu_offset(bo);

		if (max_offset != 0) {
			u64 domain_start;

			if (domain == RADEON_GEM_DOMAIN_VRAM)
				domain_start = bo->rdev->mc.vram_start;
			else
				domain_start = bo->rdev->mc.gtt_start;
			WARN_ON_ONCE(max_offset <
				     (radeon_bo_gpu_offset(bo) - domain_start));
		}

		return 0;
	}
	radeon_ttm_placement_from_domain(bo, domain);
	if (domain == RADEON_GEM_DOMAIN_VRAM) {
		/* force to pin into visible video ram */
		bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
	}
	if (max_offset) {
		u64 lpfn = max_offset >> PAGE_SHIFT;

		if (!bo->placement.lpfn)
			bo->placement.lpfn = bo->rdev->mc.gtt_size >> PAGE_SHIFT;

		if (lpfn < bo->placement.lpfn)
			bo->placement.lpfn = lpfn;
	}
	for (i = 0; i < bo->placement.num_placement; i++)
		bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
	if (likely(r == 0)) {
		bo->pin_count = 1;
		if (gpu_addr != NULL)
			*gpu_addr = radeon_bo_gpu_offset(bo);
	}
	if (unlikely(r != 0))
		dev_err(bo->rdev->dev, "%p pin failed\n", bo);
	return r;
}

int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
{
	return radeon_bo_pin_restricted(bo, domain, 0, gpu_addr);
}

int radeon_bo_unpin(struct radeon_bo *bo)
{
	int r, i;

	if (!bo->pin_count) {
		dev_warn(bo->rdev->dev, "%p unpin not necessary\n", bo);
		return 0;
	}
	bo->pin_count--;
	if (bo->pin_count)
		return 0;
	for (i = 0; i < bo->placement.num_placement; i++)
		bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
	if (unlikely(r != 0))
		dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);
	return r;
}

int radeon_bo_evict_vram(struct radeon_device *rdev)
{
	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
	if (0 && (rdev->flags & RADEON_IS_IGP)) {
		if (rdev->mc.igp_sideport_enabled == false)
			/* Useless to evict on IGP chips */
			return 0;
	}
	return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM);
}

void radeon_bo_force_delete(struct radeon_device *rdev)
{
	struct radeon_bo *bo, *n;

	if (list_empty(&rdev->gem.objects)) {
		return;
	}
	dev_err(rdev->dev, "Userspace still has active objects !\n");
	list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) {
		mutex_lock(&rdev->ddev->struct_mutex);
		dev_err(rdev->dev, "%p %p %lu %lu force free\n",
			&bo->gem_base, bo, (unsigned long)bo->gem_base.size,
			*((unsigned long *)&bo->gem_base.refcount));
		mutex_lock(&bo->rdev->gem.mutex);
		list_del_init(&bo->list);
		mutex_unlock(&bo->rdev->gem.mutex);
		/* this should unref the ttm bo */
		drm_gem_object_unreference(&bo->gem_base);
		mutex_unlock(&rdev->ddev->struct_mutex);
	}
}

int radeon_bo_init(struct radeon_device *rdev)
{
	/* Add an MTRR for the VRAM */
	if (!rdev->fastfb_working) {
		rdev->mc.vram_mtrr = arch_phys_wc_add(rdev->mc.aper_base,
						      rdev->mc.aper_size);
	}
	DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n",
		rdev->mc.mc_vram_size >> 20,
		(unsigned long long)rdev->mc.aper_size >> 20);
	DRM_INFO("RAM width %dbits %cDR\n",
			rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S');
	return radeon_ttm_init(rdev);
}

void radeon_bo_fini(struct radeon_device *rdev)
{
	radeon_ttm_fini(rdev);
	arch_phys_wc_del(rdev->mc.vram_mtrr);
}

void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
				struct list_head *head)
{
	if (lobj->written) {
		list_add(&lobj->tv.head, head);
	} else {
		list_add_tail(&lobj->tv.head, head);
	}
}

int radeon_bo_list_validate(struct ww_acquire_ctx *ticket,
			    struct list_head *head, int ring)
{
	struct radeon_bo_list *lobj;
	struct radeon_bo *bo;
	u32 domain;
	int r;

	r = ttm_eu_reserve_buffers(ticket, head);
	if (unlikely(r != 0)) {
		return r;
	}
	list_for_each_entry(lobj, head, tv.head) {
		bo = lobj->bo;
		if (!bo->pin_count) {
			domain = lobj->domain;
			
		retry:
			radeon_ttm_placement_from_domain(bo, domain);
			if (ring == R600_RING_TYPE_UVD_INDEX)
				radeon_uvd_force_into_uvd_segment(bo);
			r = ttm_bo_validate(&bo->tbo, &bo->placement,
						true, false);
			if (unlikely(r)) {
				if (r != -ERESTARTSYS && domain != lobj->alt_domain) {
					domain = lobj->alt_domain;
					goto retry;
				}
				ttm_eu_backoff_reservation(ticket, head);
				return r;
			}
		}
		lobj->gpu_offset = radeon_bo_gpu_offset(bo);
		lobj->tiling_flags = bo->tiling_flags;
	}
	return 0;
}

int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
			     struct vm_area_struct *vma)
{
	return ttm_fbdev_mmap(vma, &bo->tbo);
}

int radeon_bo_get_surface_reg(struct radeon_bo *bo)
{
	struct radeon_device *rdev = bo->rdev;
	struct radeon_surface_reg *reg;
	struct radeon_bo *old_object;
	int steal;
	int i;

	lockdep_assert_held(&bo->tbo.resv->lock.base);

	if (!bo->tiling_flags)
		return 0;

	if (bo->surface_reg >= 0) {
		reg = &rdev->surface_regs[bo->surface_reg];
		i = bo->surface_reg;
		goto out;
	}

	steal = -1;
	for (i = 0; i < RADEON_GEM_MAX_SURFACES; i++) {

		reg = &rdev->surface_regs[i];
		if (!reg->bo)
			break;

		old_object = reg->bo;
		if (old_object->pin_count == 0)
			steal = i;
	}

	/* if we are all out */
	if (i == RADEON_GEM_MAX_SURFACES) {
		if (steal == -1)
			return -ENOMEM;
		/* find someone with a surface reg and nuke their BO */
		reg = &rdev->surface_regs[steal];
		old_object = reg->bo;
		/* blow away the mapping */
		DRM_DEBUG("stealing surface reg %d from %p\n", steal, old_object);
		ttm_bo_unmap_virtual(&old_object->tbo);
		old_object->surface_reg = -1;
		i = steal;
	}

	bo->surface_reg = i;
	reg->bo = bo;

out:
	radeon_set_surface_reg(rdev, i, bo->tiling_flags, bo->pitch,
			       bo->tbo.mem.start << PAGE_SHIFT,
			       bo->tbo.num_pages << PAGE_SHIFT);
	return 0;
}

static void radeon_bo_clear_surface_reg(struct radeon_bo *bo)
{
	struct radeon_device *rdev = bo->rdev;
	struct radeon_surface_reg *reg;

	if (bo->surface_reg == -1)
		return;

	reg = &rdev->surface_regs[bo->surface_reg];
	radeon_clear_surface_reg(rdev, bo->surface_reg);

	reg->bo = NULL;
	bo->surface_reg = -1;
}

int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
				uint32_t tiling_flags, uint32_t pitch)
{
	struct radeon_device *rdev = bo->rdev;
	int r;

	if (rdev->family >= CHIP_CEDAR) {
		unsigned bankw, bankh, mtaspect, tilesplit, stilesplit;

		bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
		bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
		mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
		tilesplit = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
		stilesplit = (tiling_flags >> RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK;
		switch (bankw) {
		case 0:
		case 1:
		case 2:
		case 4:
		case 8:
			break;
		default:
			return -EINVAL;
		}
		switch (bankh) {
		case 0:
		case 1:
		case 2:
		case 4:
		case 8:
			break;
		default:
			return -EINVAL;
		}
		switch (mtaspect) {
		case 0:
		case 1:
		case 2:
		case 4:
		case 8:
			break;
		default:
			return -EINVAL;
		}
		if (tilesplit > 6) {
			return -EINVAL;
		}
		if (stilesplit > 6) {
			return -EINVAL;
		}
	}
	r = radeon_bo_reserve(bo, false);
	if (unlikely(r != 0))
		return r;
	bo->tiling_flags = tiling_flags;
	bo->pitch = pitch;
	radeon_bo_unreserve(bo);
	return 0;
}

void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
				uint32_t *tiling_flags,
				uint32_t *pitch)
{
	lockdep_assert_held(&bo->tbo.resv->lock.base);

	if (tiling_flags)
		*tiling_flags = bo->tiling_flags;
	if (pitch)
		*pitch = bo->pitch;
}

int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
				bool force_drop)
{
	if (!force_drop)
		lockdep_assert_held(&bo->tbo.resv->lock.base);

	if (!(bo->tiling_flags & RADEON_TILING_SURFACE))
		return 0;

	if (force_drop) {
		radeon_bo_clear_surface_reg(bo);
		return 0;
	}

	if (bo->tbo.mem.mem_type != TTM_PL_VRAM) {
		if (!has_moved)
			return 0;

		if (bo->surface_reg >= 0)
			radeon_bo_clear_surface_reg(bo);
		return 0;
	}

	if ((bo->surface_reg >= 0) && !has_moved)
		return 0;

	return radeon_bo_get_surface_reg(bo);
}

void radeon_bo_move_notify(struct ttm_buffer_object *bo,
			   struct ttm_mem_reg *mem)
{
	struct radeon_bo *rbo;
	if (!radeon_ttm_bo_is_radeon_bo(bo))
		return;
	rbo = container_of(bo, struct radeon_bo, tbo);
	radeon_bo_check_tiling(rbo, 0, 1);
	radeon_vm_bo_invalidate(rbo->rdev, rbo);
}

int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
	struct radeon_device *rdev;
	struct radeon_bo *rbo;
	unsigned long offset, size;
	int r;

	if (!radeon_ttm_bo_is_radeon_bo(bo))
		return 0;
	rbo = container_of(bo, struct radeon_bo, tbo);
	radeon_bo_check_tiling(rbo, 0, 0);
	rdev = rbo->rdev;
	if (bo->mem.mem_type == TTM_PL_VRAM) {
		size = bo->mem.num_pages << PAGE_SHIFT;
		offset = bo->mem.start << PAGE_SHIFT;
		if ((offset + size) > rdev->mc.visible_vram_size) {
			/* hurrah the memory is not visible ! */
			radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
			rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
			r = ttm_bo_validate(bo, &rbo->placement, false, false);
			if (unlikely(r != 0))
				return r;
			offset = bo->mem.start << PAGE_SHIFT;
			/* this should not happen */
			if ((offset + size) > rdev->mc.visible_vram_size)
				return -EINVAL;
		}
	}
	return 0;
}

int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, bool no_wait)
{
	int r;

	r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
	if (unlikely(r != 0))
		return r;
	spin_lock(&bo->tbo.bdev->fence_lock);
	if (mem_type)
		*mem_type = bo->tbo.mem.mem_type;
	if (bo->tbo.sync_obj)
		r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
	spin_unlock(&bo->tbo.bdev->fence_lock);
	ttm_bo_unreserve(&bo->tbo);
	return r;
}
Commit	Line	Data
771fe6b9 JG	1	/*
	2	* Copyright 2009 Jerome Glisse.
	3	* All Rights Reserved.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the
	7	* "Software"), to deal in the Software without restriction, including
	8	* without limitation the rights to use, copy, modify, merge, publish,
	9	* distribute, sub license, and/or sell copies of the Software, and to
	10	* permit persons to whom the Software is furnished to do so, subject to
	11	* the following conditions:
	12	*
	13	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	14	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	15	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	16	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
	17	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	18	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	19	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	20	*
	21	* The above copyright notice and this permission notice (including the
	22	* next paragraph) shall be included in all copies or substantial portions
	23	* of the Software.
	24	*
	25	*/
	26	/*
	27	* Authors:
	28	* Jerome Glisse <glisse@freedesktop.org>
	29	* Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
	30	* Dave Airlie
	31	*/
	32	#include <linux/list.h>
5a0e3ad6	33	#include <linux/slab.h>
771fe6b9	34	#include <drm/drmP.h>
760285e7	35	#include <drm/radeon_drm.h>
771fe6b9	36	#include "radeon.h"
99ee7fac	37	#include "radeon_trace.h"
771fe6b9	38
771fe6b9 JG	39
	40	int radeon_ttm_init(struct radeon_device *rdev);
	41	void radeon_ttm_fini(struct radeon_device *rdev);
4c788679	42	static void radeon_bo_clear_surface_reg(struct radeon_bo *bo);
771fe6b9 JG	43
	44	/*
	45	* To exclude mutual BO access we rely on bo_reserve exclusion, as all
	46	* function are calling it.
	47	*/
	48
2f43651c	49	static void radeon_bo_clear_va(struct radeon_bo *bo)
721604a1 JG	50	{
	51	struct radeon_bo_va bo_va, tmp;
	52
	53	list_for_each_entry_safe(bo_va, tmp, &bo->va, bo_list) {
	54	/* remove from all vm address space */
e971bd5e	55	radeon_vm_bo_rmv(bo->rdev, bo_va);
721604a1 JG	56	}
	57	}
	58
4c788679	59	static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo)
771fe6b9	60	{
4c788679	61	struct radeon_bo *bo;
771fe6b9	62
4c788679 JG	63	bo = container_of(tbo, struct radeon_bo, tbo);
	64	mutex_lock(&bo->rdev->gem.mutex);
	65	list_del_init(&bo->list);
	66	mutex_unlock(&bo->rdev->gem.mutex);
	67	radeon_bo_clear_surface_reg(bo);
721604a1	68	radeon_bo_clear_va(bo);
441921d5	69	drm_gem_object_release(&bo->gem_base);
4c788679	70	kfree(bo);
771fe6b9 JG	71	}
771fe6b9 JG	72
d03d8589 JG	73	bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo)
	74	{
	75	if (bo->destroy == &radeon_ttm_bo_destroy)
	76	return true;
	77	return false;
	78	}
	79
312ea8da JG	80	void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
	81	{
	82	u32 c = 0;
	83
	84	rbo->placement.fpfn = 0;
93225b0d	85	rbo->placement.lpfn = 0;
312ea8da	86	rbo->placement.placement = rbo->placements;
20707874	87	rbo->placement.busy_placement = rbo->placements;
312ea8da JG	88	if (domain & RADEON_GEM_DOMAIN_VRAM)
	89	rbo->placements[c++] = TTM_PL_FLAG_WC \| TTM_PL_FLAG_UNCACHED \|
	90	TTM_PL_FLAG_VRAM;
0d0b3e74 JG	91	if (domain & RADEON_GEM_DOMAIN_GTT) {
	92	if (rbo->rdev->flags & RADEON_IS_AGP) {
	93	rbo->placements[c++] = TTM_PL_FLAG_WC \| TTM_PL_FLAG_TT;
	94	} else {
	95	rbo->placements[c++] = TTM_PL_FLAG_CACHED \| TTM_PL_FLAG_TT;
	96	}
	97	}
	98	if (domain & RADEON_GEM_DOMAIN_CPU) {
	99	if (rbo->rdev->flags & RADEON_IS_AGP) {
dd54fee7	100	rbo->placements[c++] = TTM_PL_FLAG_WC \| TTM_PL_FLAG_SYSTEM;
0d0b3e74	101	} else {
dd54fee7	102	rbo->placements[c++] = TTM_PL_FLAG_CACHED \| TTM_PL_FLAG_SYSTEM;
0d0b3e74 JG	103	}
0d0b3e74 JG	104	}
9fb03e63 JG	105	if (!c)
9fb03e63 JG	106	rbo->placements[c++] = TTM_PL_MASK_CACHING \| TTM_PL_FLAG_SYSTEM;
312ea8da JG	107	rbo->placement.num_placement = c;
	108	rbo->placement.num_busy_placement = c;
	109	}
	110
441921d5	111	int radeon_bo_create(struct radeon_device *rdev,
268b2510	112	unsigned long size, int byte_align, bool kernel, u32 domain,
40f5cf99	113	struct sg_table sg, struct radeon_bo *bo_ptr)
771fe6b9	114	{
4c788679	115	struct radeon_bo *bo;
771fe6b9	116	enum ttm_bo_type type;
93225b0d	117	unsigned long page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
57de4ba9	118	size_t acc_size;
771fe6b9 JG	119	int r;
771fe6b9 JG	120
441921d5 DV	121	size = ALIGN(size, PAGE_SIZE);
441921d5 DV	122
949c4a34	123	rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping;
771fe6b9 JG	124	if (kernel) {
771fe6b9 JG	125	type = ttm_bo_type_kernel;
40f5cf99 AD	126	} else if (sg) {
40f5cf99 AD	127	type = ttm_bo_type_sg;
771fe6b9 JG	128	} else {
	129	type = ttm_bo_type_device;
	130	}
4c788679	131	*bo_ptr = NULL;
2b66b50b	132
57de4ba9 JG	133	acc_size = ttm_bo_dma_acc_size(&rdev->mman.bdev, size,
	134	sizeof(struct radeon_bo));
	135
4c788679 JG	136	bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
4c788679 JG	137	if (bo == NULL)
771fe6b9	138	return -ENOMEM;
441921d5 DV	139	r = drm_gem_object_init(rdev->ddev, &bo->gem_base, size);
	140	if (unlikely(r)) {
	141	kfree(bo);
	142	return r;
	143	}
4c788679	144	bo->rdev = rdev;
4c788679 JG	145	bo->surface_reg = -1;
4c788679 JG	146	INIT_LIST_HEAD(&bo->list);
721604a1	147	INIT_LIST_HEAD(&bo->va);
bda72d58 MO	148	bo->initial_domain = domain & (RADEON_GEM_DOMAIN_VRAM \|
	149	RADEON_GEM_DOMAIN_GTT \|
	150	RADEON_GEM_DOMAIN_CPU);
1fb107fc	151	radeon_ttm_placement_from_domain(bo, domain);
5cc6fbab	152	/* Kernel allocation are uninterruptible */
db7fce39	153	down_read(&rdev->pm.mclk_lock);
1fb107fc	154	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
0b91c4a1	155	&bo->placement, page_align, !kernel, NULL,
40f5cf99	156	acc_size, sg, &radeon_ttm_bo_destroy);
db7fce39	157	up_read(&rdev->pm.mclk_lock);
771fe6b9	158	if (unlikely(r != 0)) {
771fe6b9 JG	159	return r;
771fe6b9 JG	160	}
4c788679	161	*bo_ptr = bo;
441921d5	162
99ee7fac	163	trace_radeon_bo_create(bo);
441921d5	164
771fe6b9 JG	165	return 0;
	166	}
	167
4c788679	168	int radeon_bo_kmap(struct radeon_bo bo, void *ptr)
771fe6b9	169	{
4c788679	170	bool is_iomem;
771fe6b9 JG	171	int r;
771fe6b9 JG	172
4c788679	173	if (bo->kptr) {
771fe6b9	174	if (ptr) {
4c788679	175	*ptr = bo->kptr;
771fe6b9	176	}
771fe6b9 JG	177	return 0;
771fe6b9 JG	178	}
4c788679	179	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
771fe6b9 JG	180	if (r) {
	181	return r;
	182	}
4c788679	183	bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
771fe6b9	184	if (ptr) {
4c788679	185	*ptr = bo->kptr;
771fe6b9	186	}
4c788679	187	radeon_bo_check_tiling(bo, 0, 0);
771fe6b9 JG	188	return 0;
	189	}
	190
4c788679	191	void radeon_bo_kunmap(struct radeon_bo *bo)
771fe6b9	192	{
4c788679	193	if (bo->kptr == NULL)
771fe6b9	194	return;
4c788679 JG	195	bo->kptr = NULL;
	196	radeon_bo_check_tiling(bo, 0, 0);
	197	ttm_bo_kunmap(&bo->kmap);
771fe6b9 JG	198	}
771fe6b9 JG	199
4c788679	200	void radeon_bo_unref(struct radeon_bo **bo)
771fe6b9	201	{
4c788679	202	struct ttm_buffer_object *tbo;
f4b7fb94	203	struct radeon_device *rdev;
771fe6b9	204
4c788679	205	if ((*bo) == NULL)
771fe6b9	206	return;
f4b7fb94	207	rdev = (*bo)->rdev;
4c788679	208	tbo = &((*bo)->tbo);
db7fce39	209	down_read(&rdev->pm.mclk_lock);
4c788679	210	ttm_bo_unref(&tbo);
db7fce39	211	up_read(&rdev->pm.mclk_lock);
4c788679 JG	212	if (tbo == NULL)
4c788679 JG	213	*bo = NULL;
771fe6b9 JG	214	}
771fe6b9 JG	215
c4353016 MD	216	int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
c4353016 MD	217	u64 *gpu_addr)
771fe6b9	218	{
312ea8da	219	int r, i;
771fe6b9	220
4c788679 JG	221	if (bo->pin_count) {
	222	bo->pin_count++;
	223	if (gpu_addr)
	224	*gpu_addr = radeon_bo_gpu_offset(bo);
d936622c MD	225
	226	if (max_offset != 0) {
	227	u64 domain_start;
	228
	229	if (domain == RADEON_GEM_DOMAIN_VRAM)
	230	domain_start = bo->rdev->mc.vram_start;
	231	else
	232	domain_start = bo->rdev->mc.gtt_start;
e199fd42 MD	233	WARN_ON_ONCE(max_offset <
e199fd42 MD	234	(radeon_bo_gpu_offset(bo) - domain_start));
d936622c MD	235	}
d936622c MD	236
771fe6b9 JG	237	return 0;
771fe6b9 JG	238	}
312ea8da	239	radeon_ttm_placement_from_domain(bo, domain);
3ca82da3 MD	240	if (domain == RADEON_GEM_DOMAIN_VRAM) {
	241	/* force to pin into visible video ram */
	242	bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
	243	}
c4353016 MD	244	if (max_offset) {
	245	u64 lpfn = max_offset >> PAGE_SHIFT;
	246
	247	if (!bo->placement.lpfn)
	248	bo->placement.lpfn = bo->rdev->mc.gtt_size >> PAGE_SHIFT;
	249
	250	if (lpfn < bo->placement.lpfn)
	251	bo->placement.lpfn = lpfn;
	252	}
312ea8da JG	253	for (i = 0; i < bo->placement.num_placement; i++)
312ea8da JG	254	bo->placements[i] \|= TTM_PL_FLAG_NO_EVICT;
97a875cb	255	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
4c788679 JG	256	if (likely(r == 0)) {
	257	bo->pin_count = 1;
	258	if (gpu_addr != NULL)
	259	*gpu_addr = radeon_bo_gpu_offset(bo);
771fe6b9	260	}
5cc6fbab	261	if (unlikely(r != 0))
4c788679	262	dev_err(bo->rdev->dev, "%p pin failed\n", bo);
771fe6b9 JG	263	return r;
771fe6b9 JG	264	}
c4353016 MD	265
	266	int radeon_bo_pin(struct radeon_bo bo, u32 domain, u64 gpu_addr)
	267	{
	268	return radeon_bo_pin_restricted(bo, domain, 0, gpu_addr);
	269	}
771fe6b9	270
4c788679	271	int radeon_bo_unpin(struct radeon_bo *bo)
771fe6b9	272	{
312ea8da	273	int r, i;
771fe6b9	274
4c788679 JG	275	if (!bo->pin_count) {
	276	dev_warn(bo->rdev->dev, "%p unpin not necessary\n", bo);
	277	return 0;
771fe6b9	278	}
4c788679 JG	279	bo->pin_count--;
	280	if (bo->pin_count)
	281	return 0;
312ea8da JG	282	for (i = 0; i < bo->placement.num_placement; i++)
312ea8da JG	283	bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
97a875cb	284	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
5cc6fbab	285	if (unlikely(r != 0))
4c788679	286	dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);
5cc6fbab	287	return r;
cefb87ef DA	288	}
cefb87ef DA	289
4c788679	290	int radeon_bo_evict_vram(struct radeon_device *rdev)
771fe6b9	291	{
d796d844 DA	292	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
d796d844 DA	293	if (0 && (rdev->flags & RADEON_IS_IGP)) {
06b6476d AD	294	if (rdev->mc.igp_sideport_enabled == false)
	295	/* Useless to evict on IGP chips */
	296	return 0;
771fe6b9 JG	297	}
	298	return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM);
	299	}
	300
4c788679	301	void radeon_bo_force_delete(struct radeon_device *rdev)
771fe6b9	302	{
4c788679	303	struct radeon_bo bo, n;
771fe6b9 JG	304
	305	if (list_empty(&rdev->gem.objects)) {
	306	return;
	307	}
4c788679 JG	308	dev_err(rdev->dev, "Userspace still has active objects !\n");
4c788679 JG	309	list_for_each_entry_safe(bo, n, &rdev->gem.objects, list) {
771fe6b9	310	mutex_lock(&rdev->ddev->struct_mutex);
4c788679	311	dev_err(rdev->dev, "%p %p %lu %lu force free\n",
31c3603d DV	312	&bo->gem_base, bo, (unsigned long)bo->gem_base.size,
31c3603d DV	313	((unsigned long )&bo->gem_base.refcount));
4c788679 JG	314	mutex_lock(&bo->rdev->gem.mutex);
	315	list_del_init(&bo->list);
	316	mutex_unlock(&bo->rdev->gem.mutex);
91132d6b	317	/* this should unref the ttm bo */
31c3603d	318	drm_gem_object_unreference(&bo->gem_base);
771fe6b9 JG	319	mutex_unlock(&rdev->ddev->struct_mutex);
	320	}
	321	}
	322
4c788679	323	int radeon_bo_init(struct radeon_device *rdev)
771fe6b9	324	{
a4d68279	325	/* Add an MTRR for the VRAM */
a0a53aa8	326	if (!rdev->fastfb_working) {
07ebea25 AL	327	rdev->mc.vram_mtrr = arch_phys_wc_add(rdev->mc.aper_base,
07ebea25 AL	328	rdev->mc.aper_size);
a0a53aa8	329	}
a4d68279 JG	330	DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n",
	331	rdev->mc.mc_vram_size >> 20,
	332	(unsigned long long)rdev->mc.aper_size >> 20);
	333	DRM_INFO("RAM width %dbits %cDR\n",
	334	rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S');
771fe6b9 JG	335	return radeon_ttm_init(rdev);
	336	}
	337
4c788679	338	void radeon_bo_fini(struct radeon_device *rdev)
771fe6b9 JG	339	{
771fe6b9 JG	340	radeon_ttm_fini(rdev);
07ebea25	341	arch_phys_wc_del(rdev->mc.vram_mtrr);
771fe6b9 JG	342	}
771fe6b9 JG	343
4c788679 JG	344	void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
4c788679 JG	345	struct list_head *head)
771fe6b9	346	{
4474f3a9	347	if (lobj->written) {
147666fb	348	list_add(&lobj->tv.head, head);
771fe6b9	349	} else {
147666fb	350	list_add_tail(&lobj->tv.head, head);
771fe6b9 JG	351	}
	352	}
	353
ecff665f ML	354	int radeon_bo_list_validate(struct ww_acquire_ctx *ticket,
ecff665f ML	355	struct list_head *head, int ring)
771fe6b9	356	{
4c788679 JG	357	struct radeon_bo_list *lobj;
4c788679 JG	358	struct radeon_bo *bo;
20707874	359	u32 domain;
771fe6b9 JG	360	int r;
771fe6b9 JG	361
ecff665f	362	r = ttm_eu_reserve_buffers(ticket, head);
771fe6b9	363	if (unlikely(r != 0)) {
771fe6b9 JG	364	return r;
771fe6b9 JG	365	}
147666fb	366	list_for_each_entry(lobj, head, tv.head) {
4c788679 JG	367	bo = lobj->bo;
4c788679 JG	368	if (!bo->pin_count) {
4474f3a9	369	domain = lobj->domain;
20707874 AD	370
	371	retry:
	372	radeon_ttm_placement_from_domain(bo, domain);
f2ba57b5 CK	373	if (ring == R600_RING_TYPE_UVD_INDEX)
f2ba57b5 CK	374	radeon_uvd_force_into_uvd_segment(bo);
1fb107fc	375	r = ttm_bo_validate(&bo->tbo, &bo->placement,
97a875cb	376	true, false);
e376573f	377	if (unlikely(r)) {
4474f3a9 CK	378	if (r != -ERESTARTSYS && domain != lobj->alt_domain) {
4474f3a9 CK	379	domain = lobj->alt_domain;
20707874 AD	380	goto retry;
20707874 AD	381	}
1b6e5fd5	382	ttm_eu_backoff_reservation(ticket, head);
771fe6b9	383	return r;
e376573f	384	}
771fe6b9	385	}
4c788679 JG	386	lobj->gpu_offset = radeon_bo_gpu_offset(bo);
4c788679 JG	387	lobj->tiling_flags = bo->tiling_flags;
771fe6b9 JG	388	}
	389	return 0;
	390	}
	391
4c788679	392	int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
771fe6b9 JG	393	struct vm_area_struct *vma)
771fe6b9 JG	394	{
4c788679	395	return ttm_fbdev_mmap(vma, &bo->tbo);
771fe6b9 JG	396	}
771fe6b9 JG	397
550e2d92	398	int radeon_bo_get_surface_reg(struct radeon_bo *bo)
771fe6b9	399	{
4c788679	400	struct radeon_device *rdev = bo->rdev;
e024e110	401	struct radeon_surface_reg *reg;
4c788679	402	struct radeon_bo *old_object;
e024e110 DA	403	int steal;
	404	int i;
	405
977c38d5	406	lockdep_assert_held(&bo->tbo.resv->lock.base);
4c788679 JG	407
4c788679 JG	408	if (!bo->tiling_flags)
e024e110 DA	409	return 0;
e024e110 DA	410
4c788679 JG	411	if (bo->surface_reg >= 0) {
	412	reg = &rdev->surface_regs[bo->surface_reg];
	413	i = bo->surface_reg;
e024e110 DA	414	goto out;
	415	}
	416
	417	steal = -1;
	418	for (i = 0; i < RADEON_GEM_MAX_SURFACES; i++) {
	419
	420	reg = &rdev->surface_regs[i];
4c788679	421	if (!reg->bo)
e024e110 DA	422	break;
e024e110 DA	423
4c788679	424	old_object = reg->bo;
e024e110 DA	425	if (old_object->pin_count == 0)
	426	steal = i;
	427	}
	428
	429	/* if we are all out */
	430	if (i == RADEON_GEM_MAX_SURFACES) {
	431	if (steal == -1)
	432	return -ENOMEM;
	433	/* find someone with a surface reg and nuke their BO */
	434	reg = &rdev->surface_regs[steal];
4c788679	435	old_object = reg->bo;
e024e110 DA	436	/* blow away the mapping */
e024e110 DA	437	DRM_DEBUG("stealing surface reg %d from %p\n", steal, old_object);
4c788679	438	ttm_bo_unmap_virtual(&old_object->tbo);
e024e110 DA	439	old_object->surface_reg = -1;
	440	i = steal;
	441	}
	442
4c788679 JG	443	bo->surface_reg = i;
4c788679 JG	444	reg->bo = bo;
e024e110 DA	445
e024e110 DA	446	out:
4c788679	447	radeon_set_surface_reg(rdev, i, bo->tiling_flags, bo->pitch,
d961db75	448	bo->tbo.mem.start << PAGE_SHIFT,
4c788679	449	bo->tbo.num_pages << PAGE_SHIFT);
e024e110 DA	450	return 0;
	451	}
	452
4c788679	453	static void radeon_bo_clear_surface_reg(struct radeon_bo *bo)
e024e110	454	{
4c788679	455	struct radeon_device *rdev = bo->rdev;
e024e110 DA	456	struct radeon_surface_reg *reg;
e024e110 DA	457
4c788679	458	if (bo->surface_reg == -1)
e024e110 DA	459	return;
e024e110 DA	460
4c788679 JG	461	reg = &rdev->surface_regs[bo->surface_reg];
4c788679 JG	462	radeon_clear_surface_reg(rdev, bo->surface_reg);
e024e110	463
4c788679 JG	464	reg->bo = NULL;
4c788679 JG	465	bo->surface_reg = -1;
e024e110 DA	466	}
e024e110 DA	467
4c788679 JG	468	int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
4c788679 JG	469	uint32_t tiling_flags, uint32_t pitch)
e024e110	470	{
285484e2	471	struct radeon_device *rdev = bo->rdev;
4c788679 JG	472	int r;
4c788679 JG	473
285484e2 JG	474	if (rdev->family >= CHIP_CEDAR) {
	475	unsigned bankw, bankh, mtaspect, tilesplit, stilesplit;
	476
	477	bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
	478	bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
	479	mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
	480	tilesplit = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
	481	stilesplit = (tiling_flags >> RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK;
	482	switch (bankw) {
	483	case 0:
	484	case 1:
	485	case 2:
	486	case 4:
	487	case 8:
	488	break;
	489	default:
	490	return -EINVAL;
	491	}
	492	switch (bankh) {
	493	case 0:
	494	case 1:
	495	case 2:
	496	case 4:
	497	case 8:
	498	break;
	499	default:
	500	return -EINVAL;
	501	}
	502	switch (mtaspect) {
	503	case 0:
	504	case 1:
	505	case 2:
	506	case 4:
	507	case 8:
	508	break;
	509	default:
	510	return -EINVAL;
	511	}
	512	if (tilesplit > 6) {
	513	return -EINVAL;
	514	}
	515	if (stilesplit > 6) {
	516	return -EINVAL;
	517	}
	518	}
4c788679 JG	519	r = radeon_bo_reserve(bo, false);
	520	if (unlikely(r != 0))
	521	return r;
	522	bo->tiling_flags = tiling_flags;
	523	bo->pitch = pitch;
	524	radeon_bo_unreserve(bo);
	525	return 0;
e024e110 DA	526	}
e024e110 DA	527
4c788679 JG	528	void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
	529	uint32_t *tiling_flags,
	530	uint32_t *pitch)
e024e110	531	{
977c38d5 ML	532	lockdep_assert_held(&bo->tbo.resv->lock.base);
977c38d5 ML	533
e024e110	534	if (tiling_flags)
4c788679	535	*tiling_flags = bo->tiling_flags;
e024e110	536	if (pitch)
4c788679	537	*pitch = bo->pitch;
e024e110 DA	538	}
e024e110 DA	539
4c788679 JG	540	int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
4c788679 JG	541	bool force_drop)
e024e110	542	{
977c38d5 ML	543	if (!force_drop)
977c38d5 ML	544	lockdep_assert_held(&bo->tbo.resv->lock.base);
4c788679 JG	545
4c788679 JG	546	if (!(bo->tiling_flags & RADEON_TILING_SURFACE))
e024e110 DA	547	return 0;
	548
	549	if (force_drop) {
4c788679	550	radeon_bo_clear_surface_reg(bo);
e024e110 DA	551	return 0;
	552	}
	553
4c788679	554	if (bo->tbo.mem.mem_type != TTM_PL_VRAM) {
e024e110 DA	555	if (!has_moved)
	556	return 0;
	557
4c788679 JG	558	if (bo->surface_reg >= 0)
4c788679 JG	559	radeon_bo_clear_surface_reg(bo);
e024e110 DA	560	return 0;
	561	}
	562
4c788679	563	if ((bo->surface_reg >= 0) && !has_moved)
e024e110 DA	564	return 0;
e024e110 DA	565
4c788679	566	return radeon_bo_get_surface_reg(bo);
e024e110 DA	567	}
	568
	569	void radeon_bo_move_notify(struct ttm_buffer_object *bo,
d03d8589	570	struct ttm_mem_reg *mem)
e024e110	571	{
d03d8589 JG	572	struct radeon_bo *rbo;
	573	if (!radeon_ttm_bo_is_radeon_bo(bo))
	574	return;
	575	rbo = container_of(bo, struct radeon_bo, tbo);
4c788679	576	radeon_bo_check_tiling(rbo, 0, 1);
721604a1	577	radeon_vm_bo_invalidate(rbo->rdev, rbo);
e024e110 DA	578	}
e024e110 DA	579
0a2d50e3	580	int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
e024e110	581	{
0a2d50e3	582	struct radeon_device *rdev;
d03d8589	583	struct radeon_bo *rbo;
0a2d50e3 JG	584	unsigned long offset, size;
	585	int r;
	586
d03d8589	587	if (!radeon_ttm_bo_is_radeon_bo(bo))
0a2d50e3	588	return 0;
d03d8589	589	rbo = container_of(bo, struct radeon_bo, tbo);
4c788679	590	radeon_bo_check_tiling(rbo, 0, 0);
0a2d50e3 JG	591	rdev = rbo->rdev;
	592	if (bo->mem.mem_type == TTM_PL_VRAM) {
	593	size = bo->mem.num_pages << PAGE_SHIFT;
d961db75	594	offset = bo->mem.start << PAGE_SHIFT;
0a2d50e3 JG	595	if ((offset + size) > rdev->mc.visible_vram_size) {
	596	/* hurrah the memory is not visible ! */
	597	radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
	598	rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
97a875cb	599	r = ttm_bo_validate(bo, &rbo->placement, false, false);
0a2d50e3 JG	600	if (unlikely(r != 0))
0a2d50e3 JG	601	return r;
d961db75	602	offset = bo->mem.start << PAGE_SHIFT;
0a2d50e3 JG	603	/* this should not happen */
	604	if ((offset + size) > rdev->mc.visible_vram_size)
	605	return -EINVAL;
	606	}
	607	}
	608	return 0;
e024e110	609	}
ce580fab	610
83f30d0e	611	int radeon_bo_wait(struct radeon_bo bo, u32 mem_type, bool no_wait)
ce580fab AK	612	{
	613	int r;
	614
	615	r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
	616	if (unlikely(r != 0))
	617	return r;
	618	spin_lock(&bo->tbo.bdev->fence_lock);
	619	if (mem_type)
	620	*mem_type = bo->tbo.mem.mem_type;
	621	if (bo->tbo.sync_obj)
1717c0e2	622	r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
ce580fab AK	623	spin_unlock(&bo->tbo.bdev->fence_lock);
	624	ttm_bo_unreserve(&bo->tbo);
	625	return r;
	626	}