diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_drv.h')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_drv.h | 125 |
1 files changed, 46 insertions, 79 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h index 058389f93b69..b3eb1662e90c 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h @@ -1,108 +1,82 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (C) 2015 Etnaviv Project - * - * 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/>. + * Copyright (C) 2015-2018 Etnaviv Project */ #ifndef __ETNAVIV_DRV_H__ #define __ETNAVIV_DRV_H__ -#include <linux/kernel.h> -#include <linux/clk.h> -#include <linux/cpufreq.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm.h> -#include <linux/pm_runtime.h> -#include <linux/slab.h> +#include <linux/io.h> #include <linux/list.h> -#include <linux/iommu.h> -#include <linux/types.h> +#include <linux/mm_types.h> #include <linux/sizes.h> +#include <linux/time64.h> +#include <linux/types.h> +#include <linux/xarray.h> -#include <drm/drmP.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_helper.h> +#include <drm/drm_drv.h> #include <drm/drm_gem.h> #include <drm/etnaviv_drm.h> +#include <drm/gpu_scheduler.h> struct etnaviv_cmdbuf; struct etnaviv_gpu; struct etnaviv_mmu; struct etnaviv_gem_object; struct etnaviv_gem_submit; +struct etnaviv_iommu_global; + +#define ETNAVIV_SOFTPIN_START_ADDRESS SZ_4M /* must be >= SUBALLOC_SIZE */ struct etnaviv_file_private { - /* currently we don't do anything useful with this.. but when - * per-context address spaces are supported we'd keep track of - * the context's page-tables here. - */ - int dummy; + int id; + struct etnaviv_iommu_context *mmu; + struct drm_sched_entity sched_entity[ETNA_MAX_PIPES]; }; struct etnaviv_drm_private { int num_gpus; struct etnaviv_gpu *gpu[ETNA_MAX_PIPES]; + gfp_t shm_gfp_mask; + + struct etnaviv_cmdbuf_suballoc *cmdbuf_suballoc; + struct etnaviv_iommu_global *mmu_global; + + struct xarray active_contexts; + u32 next_context_id; /* list of GEM objects: */ struct mutex gem_lock; struct list_head gem_list; - - struct workqueue_struct *wq; }; -static inline void etnaviv_queue_work(struct drm_device *dev, - struct work_struct *w) -{ - struct etnaviv_drm_private *priv = dev->dev_private; - - queue_work(priv->wq, w); -} - int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, struct drm_file *file); -int etnaviv_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int etnaviv_gem_fault(struct vm_fault *vmf); int etnaviv_gem_mmap_offset(struct drm_gem_object *obj, u64 *offset); struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj); -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj); -void etnaviv_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); -int etnaviv_gem_prime_mmap(struct drm_gem_object *obj, - struct vm_area_struct *vma); -struct reservation_object *etnaviv_gem_prime_res_obj(struct drm_gem_object *obj); +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); struct drm_gem_object *etnaviv_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); int etnaviv_gem_prime_pin(struct drm_gem_object *obj); void etnaviv_gem_prime_unpin(struct drm_gem_object *obj); void *etnaviv_gem_vmap(struct drm_gem_object *obj); int etnaviv_gem_cpu_prep(struct drm_gem_object *obj, u32 op, - struct timespec *timeout); + struct drm_etnaviv_timespec *timeout); int etnaviv_gem_cpu_fini(struct drm_gem_object *obj); void etnaviv_gem_free_object(struct drm_gem_object *obj); int etnaviv_gem_new_handle(struct drm_device *dev, struct drm_file *file, u32 size, u32 flags, u32 *handle); -struct drm_gem_object *etnaviv_gem_new_locked(struct drm_device *dev, - u32 size, u32 flags); -struct drm_gem_object *etnaviv_gem_new(struct drm_device *dev, - u32 size, u32 flags); int etnaviv_gem_new_userptr(struct drm_device *dev, struct drm_file *file, uintptr_t ptr, u32 size, u32 flags, u32 *handle); u16 etnaviv_buffer_init(struct etnaviv_gpu *gpu); u16 etnaviv_buffer_config_mmuv2(struct etnaviv_gpu *gpu, u32 mtlb_addr, u32 safe_addr); +u16 etnaviv_buffer_config_pta(struct etnaviv_gpu *gpu, unsigned short id); void etnaviv_buffer_end(struct etnaviv_gpu *gpu); -void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, unsigned int event, - struct etnaviv_cmdbuf *cmdbuf); +void etnaviv_sync_point_queue(struct etnaviv_gpu *gpu, unsigned int event); +void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 exec_state, + struct etnaviv_iommu_context *mmu, + unsigned int event, struct etnaviv_cmdbuf *cmdbuf); void etnaviv_validate_init(void); bool etnaviv_cmd_validate_one(struct etnaviv_gpu *gpu, u32 *stream, unsigned int size, @@ -113,11 +87,6 @@ void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv, struct seq_file *m); #endif -void __iomem *etnaviv_ioremap(struct platform_device *pdev, const char *name, - const char *dbgname); -void etnaviv_writel(u32 data, void __iomem *addr); -u32 etnaviv_readl(const void __iomem *addr); - #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) @@ -133,30 +102,28 @@ static inline size_t size_vstruct(size_t nelem, size_t elem_size, size_t base) return base + nelem * elem_size; } -/* returns true if fence a comes after fence b */ -static inline bool fence_after(u32 a, u32 b) +/* + * Etnaviv timeouts are specified wrt CLOCK_MONOTONIC, not jiffies. + * We need to calculate the timeout in terms of number of jiffies + * between the specified timeout and the current CLOCK_MONOTONIC time. + */ +static inline unsigned long etnaviv_timeout_to_jiffies( + const struct drm_etnaviv_timespec *timeout) { - return (s32)(a - b) > 0; -} + struct timespec64 ts, to = { + .tv_sec = timeout->tv_sec, + .tv_nsec = timeout->tv_nsec, + }; -static inline bool fence_after_eq(u32 a, u32 b) -{ - return (s32)(a - b) >= 0; -} + ktime_get_ts64(&ts); -static inline unsigned long etnaviv_timeout_to_jiffies( - const struct timespec *timeout) -{ - unsigned long timeout_jiffies = timespec_to_jiffies(timeout); - unsigned long start_jiffies = jiffies; - unsigned long remaining_jiffies; + /* timeouts before "now" have already expired */ + if (timespec64_compare(&to, &ts) <= 0) + return 0; - if (time_after(start_jiffies, timeout_jiffies)) - remaining_jiffies = 0; - else - remaining_jiffies = timeout_jiffies - start_jiffies; + ts = timespec64_sub(to, ts); - return remaining_jiffies; + return timespec64_to_jiffies(&ts); } #endif /* __ETNAVIV_DRV_H__ */ |