diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 88 |
1 files changed, 62 insertions, 26 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 7d5fb0fc22dd..b2ea262296a4 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -33,6 +33,13 @@ #include <drm/msm_drm.h> #include <drm/drm_gem.h> +#ifdef CONFIG_FAULT_INJECTION +extern struct fault_attr fail_gem_alloc; +extern struct fault_attr fail_gem_iova; +#else +# define should_fail(attr, size) 0 +#endif + struct msm_kms; struct msm_gpu; struct msm_mmu; @@ -95,11 +102,6 @@ struct msm_drm_thread { struct kthread_worker *worker; }; -/* DSC config */ -struct msm_display_dsc_config { - struct drm_dsc_config *drm; -}; - struct msm_drm_private { struct drm_device *dev; @@ -141,28 +143,60 @@ struct msm_drm_private { struct mutex obj_lock; /** - * LRUs of inactive GEM objects. Every bo is either in one of the - * inactive lists (depending on whether or not it is shrinkable) or - * gpu->active_list (for the gpu it is active on[1]), or transiently - * on a temporary list as the shrinker is running. + * lru: * - * Note that inactive_willneed also contains pinned and vmap'd bos, - * but the number of pinned-but-not-active objects is small (scanout - * buffers, ringbuffer, etc). + * The various LRU's that a GEM object is in at various stages of + * it's lifetime. Objects start out in the unbacked LRU. When + * pinned (for scannout or permanently mapped GPU buffers, like + * ringbuffer, memptr, fw, etc) it moves to the pinned LRU. When + * unpinned, it moves into willneed or dontneed LRU depending on + * madvise state. When backing pages are evicted (willneed) or + * purged (dontneed) it moves back into the unbacked LRU. * - * These lists are protected by mm_lock (which should be acquired - * before per GEM object lock). One should *not* hold mm_lock in - * get_pages()/vmap()/etc paths, as they can trigger the shrinker. - * - * [1] if someone ever added support for the old 2d cores, there could be - * more than one gpu object + * The dontneed LRU is considered by the shrinker for objects + * that are candidate for purging, and the willneed LRU is + * considered for objects that could be evicted. */ - struct list_head inactive_willneed; /* inactive + potentially unpin/evictable */ - struct list_head inactive_dontneed; /* inactive + shrinkable */ - struct list_head inactive_unpinned; /* inactive + purged or unpinned */ - long shrinkable_count; /* write access under mm_lock */ - long evictable_count; /* write access under mm_lock */ - struct mutex mm_lock; + struct { + /** + * unbacked: + * + * The LRU for GEM objects without backing pages allocated. + * This mostly exists so that objects are always is one + * LRU. + */ + struct drm_gem_lru unbacked; + + /** + * pinned: + * + * The LRU for pinned GEM objects + */ + struct drm_gem_lru pinned; + + /** + * willneed: + * + * The LRU for unpinned GEM objects which are in madvise + * WILLNEED state (ie. can be evicted) + */ + struct drm_gem_lru willneed; + + /** + * dontneed: + * + * The LRU for unpinned GEM objects which are in madvise + * DONTNEED state (ie. can be purged) + */ + struct drm_gem_lru dontneed; + + /** + * lock: + * + * Protects manipulation of all of the LRUs. + */ + struct mutex lock; + } lru; struct workqueue_struct *wq; @@ -289,7 +323,7 @@ void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi *msm_dsi bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi); bool msm_dsi_is_bonded_dsi(struct msm_dsi *msm_dsi); bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi); -struct msm_display_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi); +struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi); #else static inline void __init msm_dsi_register(void) { @@ -319,7 +353,7 @@ static inline bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi) return false; } -static inline struct msm_display_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi) +static inline struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi) { return NULL; } @@ -432,6 +466,8 @@ void __iomem *msm_ioremap_size(struct platform_device *pdev, const char *name, phys_addr_t *size); void __iomem *msm_ioremap_quiet(struct platform_device *pdev, const char *name); +struct icc_path *msm_icc_get(struct device *dev, const char *name); + #define msm_writel(data, addr) writel((data), (addr)) #define msm_readl(addr) readl((addr)) |