linux/drivers/gpu/drm/imagination/pvr_vm_mips.h
Sarah Walker 927f3e0253
drm/imagination: Implement MIPS firmware processor and MMU support
Add support for the MIPS firmware processor, used in the Series AXE GPU.
The MIPS firmware processor uses a separate MMU to the rest of the GPU, so
this patch adds support for that as well.

Changes since v8:
- Corrected license identifiers

Changes since v6:
- Fix integer overflow in VM map error path

Changes since v5:
- Use alloc_page() when allocating MIPS pagetable

Changes since v3:
- Get regs resource (removed from GPU resources commit)

Signed-off-by: Sarah Walker <sarah.walker@imgtec.com>
Signed-off-by: Donald Robson <donald.robson@imgtec.com>
Link: https://lore.kernel.org/r/a114f7b3e97cb07460c7f2842901716a9207b0c4.1700668843.git.donald.robson@imgtec.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
2023-11-23 09:01:46 +01:00

23 lines
572 B
C

/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
/* Copyright (c) 2023 Imagination Technologies Ltd. */
#ifndef PVR_VM_MIPS_H
#define PVR_VM_MIPS_H
/* Forward declaration from pvr_device.h. */
struct pvr_device;
/* Forward declaration from pvr_gem.h. */
struct pvr_fw_object;
int
pvr_vm_mips_init(struct pvr_device *pvr_dev);
void
pvr_vm_mips_fini(struct pvr_device *pvr_dev);
int
pvr_vm_mips_map(struct pvr_device *pvr_dev, struct pvr_fw_object *fw_obj);
void
pvr_vm_mips_unmap(struct pvr_device *pvr_dev, struct pvr_fw_object *fw_obj);
#endif /* PVR_VM_MIPS_H */