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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c136
1 files changed, 85 insertions, 51 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 072050429a2f..1345f7eba011 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -77,6 +77,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
+ struct amdgpu_bo_user *ubo;
if (bo->tbo.pin_count > 0)
amdgpu_bo_subtract_pin_size(bo);
@@ -94,7 +95,11 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
}
amdgpu_bo_unref(&bo->parent);
- kfree(bo->metadata);
+ if (bo->tbo.type == ttm_bo_type_device) {
+ ubo = to_amdgpu_bo_user(bo);
+ kfree(ubo->metadata);
+ }
+
kfree(bo);
}
@@ -248,6 +253,7 @@ int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
bp.flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
bp.type = ttm_bo_type_kernel;
bp.resv = NULL;
+ bp.bo_ptr_size = sizeof(struct amdgpu_bo);
if (!*bo_ptr) {
r = amdgpu_bo_create(adev, &bp, bo_ptr);
@@ -523,7 +529,6 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
};
struct amdgpu_bo *bo;
unsigned long page_align, size = bp->size;
- size_t acc_size;
int r;
/* Note that GDS/GWS/OA allocates 1 page per byte/resource. */
@@ -544,12 +549,10 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
if (!amdgpu_bo_validate_size(adev, size, bp->domain))
return -ENOMEM;
- *bo_ptr = NULL;
+ BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo));
- acc_size = ttm_bo_dma_acc_size(&adev->mman.bdev, size,
- sizeof(struct amdgpu_bo));
-
- bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
+ *bo_ptr = NULL;
+ bo = kzalloc(bp->bo_ptr_size, GFP_KERNEL);
if (bo == NULL)
return -ENOMEM;
drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
@@ -577,8 +580,8 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
bo->tbo.priority = 1;
r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, bp->type,
- &bo->placement, page_align, &ctx, acc_size,
- NULL, bp->resv, &amdgpu_bo_destroy);
+ &bo->placement, page_align, &ctx, NULL,
+ bp->resv, &amdgpu_bo_destroy);
if (unlikely(r != 0))
return r;
@@ -639,6 +642,7 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
AMDGPU_GEM_CREATE_SHADOW;
bp.type = ttm_bo_type_kernel;
bp.resv = bo->tbo.base.resv;
+ bp.bo_ptr_size = sizeof(struct amdgpu_bo);
r = amdgpu_bo_do_create(adev, &bp, &bo->shadow);
if (!r) {
@@ -673,6 +677,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
int r;
bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW;
+
r = amdgpu_bo_do_create(adev, bp, bo_ptr);
if (r)
return r;
@@ -695,6 +700,34 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
}
/**
+ * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
+ * @adev: amdgpu device object
+ * @bp: parameters to be used for the buffer object
+ * @ubo_ptr: pointer to the buffer object pointer
+ *
+ * Create a BO to be used by user application;
+ *
+ * Returns:
+ * 0 for success or a negative error code on failure.
+ */
+
+int amdgpu_bo_create_user(struct amdgpu_device *adev,
+ struct amdgpu_bo_param *bp,
+ struct amdgpu_bo_user **ubo_ptr)
+{
+ struct amdgpu_bo *bo_ptr;
+ int r;
+
+ bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW;
+ bp->bo_ptr_size = sizeof(struct amdgpu_bo_user);
+ r = amdgpu_bo_do_create(adev, bp, &bo_ptr);
+ if (r)
+ return r;
+
+ *ubo_ptr = to_amdgpu_bo_user(bo_ptr);
+ return r;
+}
+/**
* amdgpu_bo_validate - validate an &amdgpu_bo buffer object
* @bo: pointer to the buffer object
*
@@ -1062,13 +1095,17 @@ static const char *amdgpu_vram_names[] = {
*/
int amdgpu_bo_init(struct amdgpu_device *adev)
{
- /* reserve PAT memory space to WC for VRAM */
- arch_io_reserve_memtype_wc(adev->gmc.aper_base,
- adev->gmc.aper_size);
+ /* On A+A platform, VRAM can be mapped as WB */
+ if (!adev->gmc.xgmi.connected_to_cpu) {
+ /* reserve PAT memory space to WC for VRAM */
+ arch_io_reserve_memtype_wc(adev->gmc.aper_base,
+ adev->gmc.aper_size);
+
+ /* Add an MTRR for the VRAM */
+ adev->gmc.vram_mtrr = arch_phys_wc_add(adev->gmc.aper_base,
+ adev->gmc.aper_size);
+ }
- /* Add an MTRR for the VRAM */
- adev->gmc.vram_mtrr = arch_phys_wc_add(adev->gmc.aper_base,
- adev->gmc.aper_size);
DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n",
adev->gmc.mc_vram_size >> 20,
(unsigned long long)adev->gmc.aper_size >> 20);
@@ -1086,27 +1123,10 @@ int amdgpu_bo_init(struct amdgpu_device *adev)
void amdgpu_bo_fini(struct amdgpu_device *adev)
{
amdgpu_ttm_fini(adev);
- arch_phys_wc_del(adev->gmc.vram_mtrr);
- arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size);
-}
-
-/**
- * amdgpu_bo_fbdev_mmap - mmap fbdev memory
- * @bo: &amdgpu_bo buffer object
- * @vma: vma as input from the fbdev mmap method
- *
- * Calls ttm_fbdev_mmap() to mmap fbdev memory if it is backed by a bo.
- *
- * Returns:
- * 0 for success or a negative error code on failure.
- */
-int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
- struct vm_area_struct *vma)
-{
- if (vma->vm_pgoff != 0)
- return -EACCES;
-
- return ttm_bo_mmap_obj(vma, &bo->tbo);
+ if (!adev->gmc.xgmi.connected_to_cpu) {
+ arch_phys_wc_del(adev->gmc.vram_mtrr);
+ arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size);
+ }
}
/**
@@ -1123,12 +1143,15 @@ int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct amdgpu_bo_user *ubo;
+ BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
if (adev->family <= AMDGPU_FAMILY_CZ &&
AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6)
return -EINVAL;
- bo->tiling_flags = tiling_flags;
+ ubo = to_amdgpu_bo_user(bo);
+ ubo->tiling_flags = tiling_flags;
return 0;
}
@@ -1142,10 +1165,14 @@ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags)
*/
void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags)
{
+ struct amdgpu_bo_user *ubo;
+
+ BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
dma_resv_assert_held(bo->tbo.base.resv);
+ ubo = to_amdgpu_bo_user(bo);
if (tiling_flags)
- *tiling_flags = bo->tiling_flags;
+ *tiling_flags = ubo->tiling_flags;
}
/**
@@ -1164,13 +1191,16 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags)
int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
uint32_t metadata_size, uint64_t flags)
{
+ struct amdgpu_bo_user *ubo;
void *buffer;
+ BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
+ ubo = to_amdgpu_bo_user(bo);
if (!metadata_size) {
- if (bo->metadata_size) {
- kfree(bo->metadata);
- bo->metadata = NULL;
- bo->metadata_size = 0;
+ if (ubo->metadata_size) {
+ kfree(ubo->metadata);
+ ubo->metadata = NULL;
+ ubo->metadata_size = 0;
}
return 0;
}
@@ -1182,10 +1212,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
if (buffer == NULL)
return -ENOMEM;
- kfree(bo->metadata);
- bo->metadata_flags = flags;
- bo->metadata = buffer;
- bo->metadata_size = metadata_size;
+ kfree(ubo->metadata);
+ ubo->metadata_flags = flags;
+ ubo->metadata = buffer;
+ ubo->metadata_size = metadata_size;
return 0;
}
@@ -1209,21 +1239,25 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
size_t buffer_size, uint32_t *metadata_size,
uint64_t *flags)
{
+ struct amdgpu_bo_user *ubo;
+
if (!buffer && !metadata_size)
return -EINVAL;
+ BUG_ON(bo->tbo.type == ttm_bo_type_kernel);
+ ubo = to_amdgpu_bo_user(bo);
if (buffer) {
- if (buffer_size < bo->metadata_size)
+ if (buffer_size < ubo->metadata_size)
return -EINVAL;
- if (bo->metadata_size)
- memcpy(buffer, bo->metadata, bo->metadata_size);
+ if (ubo->metadata_size)
+ memcpy(buffer, ubo->metadata, ubo->metadata_size);
}
if (metadata_size)
- *metadata_size = bo->metadata_size;
+ *metadata_size = ubo->metadata_size;
if (flags)
- *flags = bo->metadata_flags;
+ *flags = ubo->metadata_flags;
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 00:17:03 +0100