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authorDave Airlie <airlied@redhat.com>2010-04-20 08:15:09 +0400
committerDave Airlie <airlied@redhat.com>2010-04-20 08:15:09 +0400
commit7547a917fa5f3b2406f52c7dcf7ec9ad3c8532eb (patch)
tree59b0d0e9b6c251c4df5799b93395454592004d57 /drivers/gpu/drm/radeon/radeon_ttm.c
parenta8089e849a32c5b6bfd6c88dbd09c0ea4a779b71 (diff)
parent6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4 (diff)
downloadlinux-7547a917fa5f3b2406f52c7dcf7ec9ad3c8532eb.tar.xz
Merge branch 'drm-ttm-unmappable' into drm-core-next
* drm-ttm-unmappable: drm/radeon/kms: enable use of unmappable VRAM V2 drm/ttm: remove io_ field from TTM V6 drm/vmwgfx: add support for new TTM fault callback V5 drm/nouveau/kms: add support for new TTM fault callback V5 drm/radeon/kms: add support for new fault callback V7 drm/ttm: ttm_fault callback to allow driver to handle bo placement V6 drm/ttm: split no_wait argument in 2 GPU or reserve wait Conflicts: drivers/gpu/drm/nouveau/nouveau_bo.c
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c103
1 files changed, 69 insertions, 34 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f06533676e7d..af98f45954b3 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -163,34 +163,21 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
(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);
@@ -245,9 +232,9 @@ static void radeon_move_null(struct ttm_buffer_object *bo,
}
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;
@@ -291,13 +278,14 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
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;
@@ -318,7 +306,7 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
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;
}
@@ -332,11 +320,11 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
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;
@@ -350,7 +338,8 @@ out_cleanup:
}
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;
@@ -370,15 +359,15 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
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;
}
@@ -395,8 +384,9 @@ 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;
@@ -423,23 +413,66 @@ static int radeon_bo_move(struct ttm_buffer_object *bo,
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 = true;
+ }
+#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)
{
@@ -480,6 +513,8 @@ static struct ttm_bo_driver radeon_bo_driver = {
.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)