On Wed, Apr 12, 2017 at 3:11 PM, Eric Anholt eric@anholt.net wrote:
Without this, polling on the dma-buf (and presumably other devices synchronizing against our rendering) would return immediately, even while the BO was busy.
Signed-off-by: Eric Anholt eric@anholt.net Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch Cc: stable@vger.kernel.org Cc: Rob Clark robdclark@gmail.com Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org
Reviewed-by: Rob Clark robdclark@gmail.com
(go ahead and push via drm-misc with the rest of the series, if you haven't already)
drivers/gpu/drm/msm/msm_drv.c | 1 + drivers/gpu/drm/msm/msm_drv.h | 1 + drivers/gpu/drm/msm/msm_gem_prime.c | 7 +++++++ 3 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 9208e67be453..fe728a134e16 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -829,6 +829,7 @@ static struct drm_driver msm_driver = { .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import,
.gem_prime_res_obj = msm_gem_prime_res_obj, .gem_prime_pin = msm_gem_prime_pin, .gem_prime_unpin = msm_gem_prime_unpin, .gem_prime_get_sg_table = msm_gem_prime_get_sg_table,
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index b885c3d5ae4d..5e67fa66d483 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -223,6 +223,7 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); void *msm_gem_prime_vmap(struct drm_gem_object *obj); void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); +struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj); struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); int msm_gem_prime_pin(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index 60bb290700ce..13403c6da6c7 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -70,3 +70,10 @@ void msm_gem_prime_unpin(struct drm_gem_object *obj) if (!obj->import_attach) msm_gem_put_pages(obj); }
+struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj) +{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
return msm_obj->resv;
+}
2.11.0