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drm/msm: shrinker support

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For a first step, only purge obj->madv==DONTNEED objects.  We could be
more agressive and next try unpinning inactive objects..  but that is
only useful if you have swap.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2016-05-17 16:19:32 -04:00
parent 4fe5f65e66
commit 68209390f1
6 changed files with 180 additions and 0 deletions
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8
drivers/gpu/drm/msm/msm_drv.h
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@@ -78,6 +78,8 @@ struct msm_vblank_ctrl {
struct msm_drm_private {
struct drm_device *dev;
struct msm_kms *kms;
/* subordinate devices, if present: */
@@ -151,6 +153,8 @@ struct msm_drm_private {
struct drm_mm mm;
} vram;
struct shrinker shrinker;
struct msm_vblank_ctrl vblank_ctrl;
};
@@ -169,6 +173,9 @@ void msm_gem_submit_free(struct msm_gem_submit *submit);
int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
struct drm_file *file);
void msm_gem_shrinker_init(struct drm_device *dev);
void msm_gem_shrinker_cleanup(struct drm_device *dev);
int msm_gem_mmap_obj(struct drm_gem_object *obj,
struct vm_area_struct *vma);
int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
@@ -196,6 +203,7 @@ void msm_gem_prime_unpin(struct drm_gem_object *obj);
void *msm_gem_vaddr_locked(struct drm_gem_object *obj);
void *msm_gem_vaddr(struct drm_gem_object *obj);
int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
void msm_gem_purge(struct drm_gem_object *obj);
int msm_gem_sync_object(struct drm_gem_object *obj,
struct msm_fence_context *fctx, bool exclusive);
void msm_gem_move_to_active(struct drm_gem_object *obj,