Commit 07fbbd66 authored by Eric Anholt's avatar Eric Anholt
Browse files

drm/v3d: Drop reservation of a shared slot in the dma-buf reservations. 



We only set the excl (possible-writing) fence pointer and never add a
shared (read-only) fence.

Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416225856.20264-5-eric@anholt.net


Acked-by: default avatarRob Clark <robdclark@gmail.com>
parent d223f98f

drivers/gpu/drm/v3d/v3d_gem.c

+0 −12
Original line number Diff line number Diff line
@@ -253,18 +253,6 @@ v3d_lock_bo_reservations(struct drm_gem_object **bos, 
	if (ret)

		return ret;



	/* Reserve space for our shared (read-only) fence references,

	 * before we commit the CL to the hardware.

	 */

	for (i = 0; i < bo_count; i++) {

		ret = reservation_object_reserve_shared(bos[i]->resv, 1);

		if (ret) {

			drm_gem_unlock_reservations(bos, bo_count,

						    acquire_ctx);

			return ret;

		}

	}



	return 0;

}