1 files changed, 0 insertions, 657 deletions

diff --git a/sys/dev/drm2/radeon/radeon_object.c b/sys/dev/drm2/radeon/radeon_object.c
deleted file mode 100644
index eadfe74e0e228..0000000000000
--- a/sys/dev/drm2/radeon/radeon_object.c
+++ /dev/null
@@ -1,657 +0,0 @@
-/*
- * 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 <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <dev/drm2/drmP.h>
-#include <dev/drm2/radeon/radeon_drm.h>
-#include "radeon.h"
-#ifdef FREEBSD_WIP
-#include "radeon_trace.h"
-#endif /* FREEBSD_WIP */
-
-
-#ifdef FREEBSD_WIP /* FreeBSD: to please GCC 4.2. */
-int radeon_ttm_init(struct radeon_device *rdev);
-void radeon_ttm_fini(struct radeon_device *rdev);
-#endif
-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);
-	sx_xlock(&bo->rdev->gem.mutex);
-	list_del_init(&bo->list);
-	sx_xunlock(&bo->rdev->gem.mutex);
-	radeon_bo_clear_surface_reg(bo);
-	radeon_bo_clear_va(bo);
-	drm_gem_object_release(&bo->gem_base);
-	free(bo, DRM_MEM_DRIVER);
-}
-
-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 = roundup2(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
-	size_t acc_size;
-	int r;
-
-	size = roundup2(size, PAGE_SIZE);
-
-	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 = malloc(sizeof(struct radeon_bo),
-	    DRM_MEM_DRIVER, M_NOWAIT | M_ZERO);
-	if (bo == NULL)
-		return -ENOMEM;
-	r = drm_gem_object_init(rdev->ddev, &bo->gem_base, size);
-	if (unlikely(r)) {
-		free(bo, DRM_MEM_DRIVER);
-		return r;
-	}
-	bo->rdev = rdev;
-	bo->gem_base.driver_private = NULL;
-	bo->surface_reg = -1;
-	INIT_LIST_HEAD(&bo->list);
-	INIT_LIST_HEAD(&bo->va);
-	radeon_ttm_placement_from_domain(bo, domain);
-	/* Kernel allocation are uninterruptible */
-	sx_slock(&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);
-	sx_sunlock(&rdev->pm.mclk_lock);
-	if (unlikely(r != 0)) {
-		return r;
-	}
-	*bo_ptr = bo;
-
-#ifdef FREEBSD_WIP
-	trace_radeon_bo_create(bo);
-#endif /* FREEBSD_WIP */
-
-	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);
-	sx_slock(&rdev->pm.mclk_lock);
-	ttm_bo_unref(&tbo);
-	sx_sunlock(&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;
-			if (max_offset < (radeon_bo_gpu_offset(bo) - domain_start)) {
-				DRM_ERROR("radeon_bo_pin_restricted: "
-				    "max_offset(%ju) < "
-				    "(radeon_bo_gpu_offset(%ju) - "
-				    "domain_start(%ju)",
-				    (uintmax_t)max_offset, (uintmax_t)radeon_bo_gpu_offset(bo),
-				    (uintmax_t)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) {
-		DRM_LOCK(rdev->ddev);
-		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));
-		sx_xlock(&bo->rdev->gem.mutex);
-		list_del_init(&bo->list);
-		sx_xunlock(&bo->rdev->gem.mutex);
-		/* this should unref the ttm bo */
-		drm_gem_object_unreference(&bo->gem_base);
-		DRM_UNLOCK(rdev->ddev);
-	}
-}
-
-int radeon_bo_init(struct radeon_device *rdev)
-{
-	/* Add an MTRR for the VRAM */
-	rdev->mc.vram_mtrr = drm_mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size,
-			DRM_MTRR_WC);
-	DRM_INFO("Detected VRAM RAM=%juM, BAR=%juM\n",
-		(uintmax_t)rdev->mc.mc_vram_size >> 20,
-		(uintmax_t)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);
-}
-
-void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
-				struct list_head *head)
-{
-	if (lobj->wdomain) {
-		list_add(&lobj->tv.head, head);
-	} else {
-		list_add_tail(&lobj->tv.head, head);
-	}
-}
-
-int radeon_bo_list_validate(struct list_head *head)
-{
-	struct radeon_bo_list *lobj;
-	struct radeon_bo *bo;
-	u32 domain;
-	int r;
-
-	r = ttm_eu_reserve_buffers(head);
-	if (unlikely(r != 0)) {
-		return r;
-	}
-	list_for_each_entry(lobj, head, tv.head) {
-		bo = lobj->bo;
-		if (!bo->pin_count) {
-			domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain;
-			
-		retry:
-			radeon_ttm_placement_from_domain(bo, domain);
-			r = ttm_bo_validate(&bo->tbo, &bo->placement,
-						true, false);
-			if (unlikely(r)) {
-				if (r != -ERESTARTSYS && domain == RADEON_GEM_DOMAIN_VRAM) {
-					domain |= RADEON_GEM_DOMAIN_GTT;
-					goto retry;
-				}
-				return r;
-			}
-		}
-		lobj->gpu_offset = radeon_bo_gpu_offset(bo);
-		lobj->tiling_flags = bo->tiling_flags;
-	}
-	return 0;
-}
-
-#ifdef FREEBSD_WIP
-int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
-			     struct vm_area_struct *vma)
-{
-	return ttm_fbdev_mmap(vma, &bo->tbo);
-}
-#endif /* FREEBSD_WIP */
-
-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;
-
-	KASSERT(radeon_bo_is_reserved(bo),
-	    ("radeon_bo_get_surface_reg: radeon_bo is not reserved"));
-
-	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)
-{
-	KASSERT(radeon_bo_is_reserved(bo),
-	    ("radeon_bo_get_tiling_flags: radeon_bo is not reserved"));
-	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)
-{
-	KASSERT((radeon_bo_is_reserved(bo) || force_drop),
-	    ("radeon_bo_check_tiling: radeon_bo is not reserved && !force_drop"));
-
-	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;
-	mtx_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);
-	mtx_unlock(&bo->tbo.bdev->fence_lock);
-	ttm_bo_unreserve(&bo->tbo);
-	return r;
-}
-
-
-/**
- * radeon_bo_reserve - reserve bo
- * @bo:		bo structure
- * @no_intr:	don't return -ERESTARTSYS on pending signal
- *
- * Returns:
- * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
- * a signal. Release all buffer reservations and return to user-space.
- */
-int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr)
-{
-	int r;
-
-	r = ttm_bo_reserve(&bo->tbo, !no_intr, false, false, 0);
-	if (unlikely(r != 0)) {
-		if (r != -ERESTARTSYS)
-			dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
-		return r;
-	}
-	return 0;
-}