Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
124 lines
2.4 KiB
C
124 lines
2.4 KiB
C
// SPDX-License-Identifier: MIT
|
|
/* Copyright © 2025 Intel Corporation */
|
|
|
|
#include "gem/i915_gem_stolen.h"
|
|
#include "xe_res_cursor.h"
|
|
#include "xe_ttm_stolen_mgr.h"
|
|
#include "xe_validation.h"
|
|
|
|
struct intel_stolen_node {
|
|
struct xe_device *xe;
|
|
struct xe_bo *bo;
|
|
};
|
|
|
|
int i915_gem_stolen_insert_node_in_range(struct intel_stolen_node *node, u64 size,
|
|
unsigned int align, u64 start, u64 end)
|
|
{
|
|
struct xe_device *xe = node->xe;
|
|
|
|
struct xe_bo *bo;
|
|
int err = 0;
|
|
u32 flags = XE_BO_FLAG_PINNED | XE_BO_FLAG_STOLEN;
|
|
|
|
if (start < SZ_4K)
|
|
start = SZ_4K;
|
|
|
|
if (align) {
|
|
size = ALIGN(size, align);
|
|
start = ALIGN(start, align);
|
|
}
|
|
|
|
bo = xe_bo_create_pin_range_novm(xe, xe_device_get_root_tile(xe),
|
|
size, start, end, ttm_bo_type_kernel, flags);
|
|
if (IS_ERR(bo)) {
|
|
err = PTR_ERR(bo);
|
|
bo = NULL;
|
|
return err;
|
|
}
|
|
|
|
node->bo = bo;
|
|
|
|
return err;
|
|
}
|
|
|
|
int i915_gem_stolen_insert_node(struct intel_stolen_node *node, u64 size, unsigned int align)
|
|
{
|
|
/* Not used on xe */
|
|
WARN_ON(1);
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
void i915_gem_stolen_remove_node(struct intel_stolen_node *node)
|
|
{
|
|
xe_bo_unpin_map_no_vm(node->bo);
|
|
node->bo = NULL;
|
|
}
|
|
|
|
bool i915_gem_stolen_initialized(struct drm_device *drm)
|
|
{
|
|
struct xe_device *xe = to_xe_device(drm);
|
|
|
|
return ttm_manager_type(&xe->ttm, XE_PL_STOLEN);
|
|
}
|
|
|
|
bool i915_gem_stolen_node_allocated(const struct intel_stolen_node *node)
|
|
{
|
|
return node->bo;
|
|
}
|
|
|
|
u32 i915_gem_stolen_node_offset(struct intel_stolen_node *node)
|
|
{
|
|
struct xe_res_cursor res;
|
|
|
|
xe_res_first(node->bo->ttm.resource, 0, 4096, &res);
|
|
return res.start;
|
|
}
|
|
|
|
/* Used for < gen4. These are not supported by Xe */
|
|
u64 i915_gem_stolen_area_address(struct drm_device *drm)
|
|
{
|
|
WARN_ON(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Used for gen9 specific WA. Gen9 is not supported by Xe */
|
|
u64 i915_gem_stolen_area_size(struct drm_device *drm)
|
|
{
|
|
WARN_ON(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
u64 i915_gem_stolen_node_address(struct intel_stolen_node *node)
|
|
{
|
|
struct xe_device *xe = node->xe;
|
|
|
|
return xe_ttm_stolen_gpu_offset(xe) + i915_gem_stolen_node_offset(node);
|
|
}
|
|
|
|
u64 i915_gem_stolen_node_size(const struct intel_stolen_node *node)
|
|
{
|
|
return node->bo->ttm.base.size;
|
|
}
|
|
|
|
struct intel_stolen_node *i915_gem_stolen_node_alloc(struct drm_device *drm)
|
|
{
|
|
struct xe_device *xe = to_xe_device(drm);
|
|
struct intel_stolen_node *node;
|
|
|
|
node = kzalloc(sizeof(*node), GFP_KERNEL);
|
|
if (!node)
|
|
return NULL;
|
|
|
|
node->xe = xe;
|
|
|
|
return node;
|
|
}
|
|
|
|
void i915_gem_stolen_node_free(const struct intel_stolen_node *node)
|
|
{
|
|
kfree(node);
|
|
}
|