mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 02:45:17 +07:00
6b597ce2f7
For some optimizations coming on the userspace side, splitting larger draw or gmem cmds into multiple cmdstream buffers, we need to support much more than the previous small/arbitrary limit. Signed-off-by: Rob Clark <robdclark@gmail.com>
126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/*
|
|
* Copyright (C) 2013 Red Hat
|
|
* Author: Rob Clark <robdclark@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published by
|
|
* the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __MSM_GEM_H__
|
|
#define __MSM_GEM_H__
|
|
|
|
#include <linux/reservation.h>
|
|
#include "msm_drv.h"
|
|
|
|
/* Additional internal-use only BO flags: */
|
|
#define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */
|
|
|
|
struct msm_gem_object {
|
|
struct drm_gem_object base;
|
|
|
|
uint32_t flags;
|
|
|
|
/**
|
|
* Advice: are the backing pages purgeable?
|
|
*/
|
|
uint8_t madv;
|
|
|
|
/**
|
|
* count of active vmap'ing
|
|
*/
|
|
uint8_t vmap_count;
|
|
|
|
/* And object is either:
|
|
* inactive - on priv->inactive_list
|
|
* active - on one one of the gpu's active_list.. well, at
|
|
* least for now we don't have (I don't think) hw sync between
|
|
* 2d and 3d one devices which have both, meaning we need to
|
|
* block on submit if a bo is already on other ring
|
|
*
|
|
*/
|
|
struct list_head mm_list;
|
|
struct msm_gpu *gpu; /* non-null if active */
|
|
|
|
/* Transiently in the process of submit ioctl, objects associated
|
|
* with the submit are on submit->bo_list.. this only lasts for
|
|
* the duration of the ioctl, so one bo can never be on multiple
|
|
* submit lists.
|
|
*/
|
|
struct list_head submit_entry;
|
|
|
|
struct page **pages;
|
|
struct sg_table *sgt;
|
|
void *vaddr;
|
|
|
|
struct {
|
|
// XXX
|
|
uint32_t iova;
|
|
} domain[NUM_DOMAINS];
|
|
|
|
/* normally (resv == &_resv) except for imported bo's */
|
|
struct reservation_object *resv;
|
|
struct reservation_object _resv;
|
|
|
|
/* For physically contiguous buffers. Used when we don't have
|
|
* an IOMMU. Also used for stolen/splashscreen buffer.
|
|
*/
|
|
struct drm_mm_node *vram_node;
|
|
};
|
|
#define to_msm_bo(x) container_of(x, struct msm_gem_object, base)
|
|
|
|
static inline bool is_active(struct msm_gem_object *msm_obj)
|
|
{
|
|
return msm_obj->gpu != NULL;
|
|
}
|
|
|
|
static inline bool is_purgeable(struct msm_gem_object *msm_obj)
|
|
{
|
|
return (msm_obj->madv == MSM_MADV_DONTNEED) && msm_obj->sgt &&
|
|
!msm_obj->base.dma_buf && !msm_obj->base.import_attach;
|
|
}
|
|
|
|
static inline bool is_vunmapable(struct msm_gem_object *msm_obj)
|
|
{
|
|
return (msm_obj->vmap_count == 0) && msm_obj->vaddr;
|
|
}
|
|
|
|
/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
|
|
* associated with the cmdstream submission for synchronization (and
|
|
* make it easier to unwind when things go wrong, etc). This only
|
|
* lasts for the duration of the submit-ioctl.
|
|
*/
|
|
struct msm_gem_submit {
|
|
struct drm_device *dev;
|
|
struct msm_gpu *gpu;
|
|
struct list_head node; /* node in gpu submit_list */
|
|
struct list_head bo_list;
|
|
struct ww_acquire_ctx ticket;
|
|
struct fence *fence;
|
|
struct pid *pid; /* submitting process */
|
|
bool valid; /* true if no cmdstream patching needed */
|
|
unsigned int nr_cmds;
|
|
unsigned int nr_bos;
|
|
struct {
|
|
uint32_t type;
|
|
uint32_t size; /* in dwords */
|
|
uint32_t iova;
|
|
uint32_t idx; /* cmdstream buffer idx in bos[] */
|
|
} *cmd; /* array of size nr_cmds */
|
|
struct {
|
|
uint32_t flags;
|
|
struct msm_gem_object *obj;
|
|
uint32_t iova;
|
|
} bos[0];
|
|
};
|
|
|
|
#endif /* __MSM_GEM_H__ */
|