diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_prime.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_prime.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index 0b16f2cbcf17..f3609c97496b 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -27,6 +27,7 @@ #include "radeon.h" #include <drm/radeon_drm.h> +#include <linux/dma-buf.h> struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj) { @@ -57,15 +58,18 @@ void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) } struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, - size_t size, + struct dma_buf_attachment *attach, struct sg_table *sg) { + struct reservation_object *resv = attach->dmabuf->resv; struct radeon_device *rdev = dev->dev_private; struct radeon_bo *bo; int ret; - ret = radeon_bo_create(rdev, size, PAGE_SIZE, false, - RADEON_GEM_DOMAIN_GTT, 0, sg, &bo); + ww_mutex_lock(&resv->lock, NULL); + ret = radeon_bo_create(rdev, attach->dmabuf->size, PAGE_SIZE, false, + RADEON_GEM_DOMAIN_GTT, 0, sg, resv, &bo); + ww_mutex_unlock(&resv->lock); if (ret) return ERR_PTR(ret); @@ -111,3 +115,13 @@ struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *obj) return bo->tbo.resv; } + +struct dma_buf *radeon_gem_prime_export(struct drm_device *dev, + struct drm_gem_object *gobj, + int flags) +{ + struct radeon_bo *bo = gem_to_radeon_bo(gobj); + if (radeon_ttm_tt_has_userptr(bo->tbo.ttm)) + return ERR_PTR(-EPERM); + return drm_gem_prime_export(dev, gobj, flags); +} |