diff options
| author | Rongrong Zou <zourongrong@gmail.com> | 2016-11-16 21:31:51 +0800 |
|---|---|---|
| committer | Rongrong Zou <zourongrong@gmail.com> | 2016-11-17 15:26:24 +0800 |
| commit | e4daebc77e7b34fc7442ff78a3c3410376f1bcba (patch) | |
| tree | 5bccb1f9492c439f1e4d8b589f5754bdd011e5b5 /drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | |
| parent | 5e0df3a08f3d17485a5081634902424c6834e001 (diff) | |
drm/hisilicon/hibmc: Add video memory management
Hibmc have 32m video memory which can be accessed through PCIe by host,
we use ttm to manage these memory.
Signed-off-by: Rongrong Zou <zourongrong@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org>
Acked-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h index 840cd5afbb30..dcd304d66c8f 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h @@ -20,6 +20,8 @@ #define HIBMC_DRM_DRV_H #include <drm/drmP.h> +#include <drm/drm_gem.h> +#include <drm/ttm/ttm_bo_driver.h> struct hibmc_drm_private { /* hw */ @@ -31,11 +33,50 @@ struct hibmc_drm_private { /* drm */ struct drm_device *dev; + /* ttm */ + struct drm_global_reference mem_global_ref; + struct ttm_bo_global_ref bo_global_ref; + struct ttm_bo_device bdev; + bool initialized; + + bool mm_inited; +}; + +struct hibmc_bo { + struct ttm_buffer_object bo; + struct ttm_placement placement; + struct ttm_bo_kmap_obj kmap; + struct drm_gem_object gem; + struct ttm_place placements[3]; + int pin_count; }; +static inline struct hibmc_bo *hibmc_bo(struct ttm_buffer_object *bo) +{ + return container_of(bo, struct hibmc_bo, bo); +} + +static inline struct hibmc_bo *gem_to_hibmc_bo(struct drm_gem_object *gem) +{ + return container_of(gem, struct hibmc_bo, gem); +} + void hibmc_set_power_mode(struct hibmc_drm_private *priv, unsigned int power_mode); void hibmc_set_current_gate(struct hibmc_drm_private *priv, unsigned int gate); +int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel, + struct drm_gem_object **obj); +int hibmc_mm_init(struct hibmc_drm_private *hibmc); +void hibmc_mm_fini(struct hibmc_drm_private *hibmc); +int hibmc_bo_pin(struct hibmc_bo *bo, u32 pl_flag, u64 *gpu_addr); +int hibmc_bo_unpin(struct hibmc_bo *bo); +void hibmc_gem_free_object(struct drm_gem_object *obj); +int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev, + struct drm_mode_create_dumb *args); +int hibmc_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, + u32 handle, u64 *offset); +int hibmc_mmap(struct file *filp, struct vm_area_struct *vma); + #endif |