diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index fcafd196515..d746f13d283 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -18,6 +18,7 @@ #ifndef __MSM_GEM_H__ #define __MSM_GEM_H__ +#include <linux/reservation.h> #include "msm_drv.h" struct msm_gem_object { @@ -25,7 +26,27 @@ struct msm_gem_object { uint32_t flags; + /* 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 */ + uint32_t fence; + + /* 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; + + /* work defered until bo is inactive: */ + struct list_head inactive_work; struct page **pages; struct sg_table *sgt; @@ -35,7 +56,44 @@ struct msm_gem_object { // XXX uint32_t iova; } domain[NUM_DOMAINS]; + + /* normally (resv == &_resv) except for imported bo's */ + struct reservation_object *resv; + struct reservation_object _resv; }; #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; +} + +#define MAX_CMDS 4 + +/* 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 bo_list; + struct ww_acquire_ctx ticket; + uint32_t fence; + bool valid; + unsigned int nr_cmds; + unsigned int nr_bos; + struct { + uint32_t type; + uint32_t size; /* in dwords */ + uint32_t iova; + } cmd[MAX_CMDS]; + struct { + uint32_t flags; + struct msm_gem_object *obj; + uint32_t iova; + } bos[0]; +}; + #endif /* __MSM_GEM_H__ */ |