diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_shmem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index cc9fe258fba7..4efa821f3cb1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -5,8 +5,11 @@ */ #include <linux/pagevec.h> +#include <linux/shmem_fs.h> #include <linux/swap.h> +#include <drm/drm_cache.h> + #include "gem/i915_gem_region.h" #include "i915_drv.h" #include "i915_gemfs.h" @@ -331,6 +334,21 @@ shmem_writeback(struct drm_i915_gem_object *obj) __shmem_writeback(obj->base.size, obj->base.filp->f_mapping); } +static int shmem_shrink(struct drm_i915_gem_object *obj, unsigned int flags) +{ + switch (obj->mm.madv) { + case I915_MADV_DONTNEED: + return i915_gem_object_truncate(obj); + case __I915_MADV_PURGED: + return 0; + } + + if (flags & I915_GEM_OBJECT_SHRINK_WRITEBACK) + shmem_writeback(obj); + + return 0; +} + void __i915_gem_object_release_shmem(struct drm_i915_gem_object *obj, struct sg_table *pages, @@ -503,7 +521,7 @@ const struct drm_i915_gem_object_ops i915_gem_shmem_ops = { .get_pages = shmem_get_pages, .put_pages = shmem_put_pages, .truncate = shmem_truncate, - .writeback = shmem_writeback, + .shrink = shmem_shrink, .pwrite = shmem_pwrite, .pread = shmem_pread, |