#include <ttm/ttm_bo_driver.h>
#include <ttm/ttm_placement.h>
#include <ttm/ttm_module.h>
+#include <ttm/ttm_page_alloc.h>
#include <drm/drmP.h>
#include <drm/radeon_drm.h>
#include <linux/seq_file.h>
+#include <linux/slab.h>
#include "radeon_reg.h"
#include "radeon.h"
(unsigned)type);
return -EINVAL;
}
- man->io_offset = rdev->mc.agp_base;
- man->io_size = rdev->mc.gtt_size;
- man->io_addr = NULL;
if (!rdev->ddev->agp->cant_use_aperture)
- man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
- TTM_MEMTYPE_FLAG_MAPPABLE;
+ man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
- } else
-#endif
- {
- man->io_offset = 0;
- man->io_size = 0;
- man->io_addr = NULL;
}
+#endif
break;
case TTM_PL_VRAM:
/* "On-card" video ram */
man->gpu_offset = rdev->mc.vram_start;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
- TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
- man->io_addr = NULL;
- man->io_offset = rdev->mc.aper_base;
- man->io_size = rdev->mc.aper_size;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
}
static int radeon_move_blit(struct ttm_buffer_object *bo,
- bool evict, int no_wait,
- struct ttm_mem_reg *new_mem,
- struct ttm_mem_reg *old_mem)
+ bool evict, int no_wait_reserve, bool no_wait_gpu,
+ struct ttm_mem_reg *new_mem,
+ struct ttm_mem_reg *old_mem)
{
struct radeon_device *rdev;
uint64_t old_start, new_start;
r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence);
/* FIXME: handle copy error */
r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL,
- evict, no_wait, new_mem);
+ evict, no_wait_reserve, no_wait_gpu, new_mem);
radeon_fence_unref(&fence);
return r;
}
static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
- bool evict, bool interruptible, bool no_wait,
+ bool evict, bool interruptible,
+ bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct radeon_device *rdev;
placement.busy_placement = &placements;
placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
- interruptible, no_wait);
+ interruptible, no_wait_reserve, no_wait_gpu);
if (unlikely(r)) {
return r;
}
if (unlikely(r)) {
goto out_cleanup;
}
- r = radeon_move_blit(bo, true, no_wait, &tmp_mem, old_mem);
+ r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem, old_mem);
if (unlikely(r)) {
goto out_cleanup;
}
- r = ttm_bo_move_ttm(bo, true, no_wait, new_mem);
+ r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, new_mem);
out_cleanup:
if (tmp_mem.mm_node) {
struct ttm_bo_global *glob = rdev->mman.bdev.glob;
}
static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
- bool evict, bool interruptible, bool no_wait,
+ bool evict, bool interruptible,
+ bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct radeon_device *rdev;
placement.num_busy_placement = 1;
placement.busy_placement = &placements;
placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
- r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait);
+ r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait_reserve, no_wait_gpu);
if (unlikely(r)) {
return r;
}
- r = ttm_bo_move_ttm(bo, true, no_wait, &tmp_mem);
+ r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem);
if (unlikely(r)) {
goto out_cleanup;
}
- r = radeon_move_blit(bo, true, no_wait, new_mem, old_mem);
+ r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, new_mem, old_mem);
if (unlikely(r)) {
goto out_cleanup;
}
}
static int radeon_bo_move(struct ttm_buffer_object *bo,
- bool evict, bool interruptible, bool no_wait,
- struct ttm_mem_reg *new_mem)
+ bool evict, bool interruptible,
+ bool no_wait_reserve, bool no_wait_gpu,
+ struct ttm_mem_reg *new_mem)
{
struct radeon_device *rdev;
struct ttm_mem_reg *old_mem = &bo->mem;
new_mem->mem_type == TTM_PL_SYSTEM) ||
(old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_TT)) {
- /* bind is enought */
+ /* bind is enough */
radeon_move_null(bo, new_mem);
return 0;
}
if (old_mem->mem_type == TTM_PL_VRAM &&
new_mem->mem_type == TTM_PL_SYSTEM) {
r = radeon_move_vram_ram(bo, evict, interruptible,
- no_wait, new_mem);
+ no_wait_reserve, no_wait_gpu, new_mem);
} else if (old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_VRAM) {
r = radeon_move_ram_vram(bo, evict, interruptible,
- no_wait, new_mem);
+ no_wait_reserve, no_wait_gpu, new_mem);
} else {
- r = radeon_move_blit(bo, evict, no_wait, new_mem, old_mem);
+ r = radeon_move_blit(bo, evict, no_wait_reserve, no_wait_gpu, new_mem, old_mem);
}
if (r) {
memcpy:
- r = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ r = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
}
-
return r;
}
+static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+ struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+ struct radeon_device *rdev = radeon_get_rdev(bdev);
+
+ mem->bus.addr = NULL;
+ mem->bus.offset = 0;
+ mem->bus.size = mem->num_pages << PAGE_SHIFT;
+ mem->bus.base = 0;
+ mem->bus.is_iomem = false;
+ if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
+ return -EINVAL;
+ switch (mem->mem_type) {
+ case TTM_PL_SYSTEM:
+ /* system memory */
+ return 0;
+ case TTM_PL_TT:
+#if __OS_HAS_AGP
+ if (rdev->flags & RADEON_IS_AGP) {
+ /* RADEON_IS_AGP is set only if AGP is active */
+ mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+ mem->bus.base = rdev->mc.agp_base;
+ mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
+ }
+#endif
+ break;
+ case TTM_PL_VRAM:
+ mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+ /* check if it's visible */
+ if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
+ return -EINVAL;
+ mem->bus.base = rdev->mc.aper_base;
+ mem->bus.is_iomem = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void radeon_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+}
+
static int radeon_sync_obj_wait(void *sync_obj, void *sync_arg,
bool lazy, bool interruptible)
{
.sync_obj_ref = &radeon_sync_obj_ref,
.move_notify = &radeon_bo_move_notify,
.fault_reserve_notify = &radeon_bo_fault_reserve_notify,
+ .io_mem_reserve = &radeon_ttm_io_mem_reserve,
+ .io_mem_free = &radeon_ttm_io_mem_free,
};
int radeon_ttm_init(struct radeon_device *rdev)
static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct ttm_buffer_object *bo;
+ struct radeon_device *rdev;
int r;
- bo = (struct ttm_buffer_object *)vma->vm_private_data;
+ bo = (struct ttm_buffer_object *)vma->vm_private_data;
if (bo == NULL) {
return VM_FAULT_NOPAGE;
}
+ rdev = radeon_get_rdev(bo->bdev);
+ mutex_lock(&rdev->vram_mutex);
r = ttm_vm_ops->fault(vma, vmf);
+ mutex_unlock(&rdev->vram_mutex);
return r;
}
static int radeon_ttm_debugfs_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
- static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES];
- static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES][32];
+ static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES+1];
+ static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES+1][32];
unsigned i;
for (i = 0; i < RADEON_DEBUGFS_MEM_TYPES; i++) {
radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_TT].manager;
}
- return radeon_debugfs_add_files(rdev, radeon_mem_types_list, RADEON_DEBUGFS_MEM_TYPES);
+ /* Add ttm page pool to debugfs */
+ sprintf(radeon_mem_types_names[i], "ttm_page_pool");
+ radeon_mem_types_list[i].name = radeon_mem_types_names[i];
+ radeon_mem_types_list[i].show = &ttm_page_alloc_debugfs;
+ radeon_mem_types_list[i].driver_features = 0;
+ radeon_mem_types_list[i].data = NULL;
+ return radeon_debugfs_add_files(rdev, radeon_mem_types_list, RADEON_DEBUGFS_MEM_TYPES+1);
#endif
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff