libdrm: intel: add DRM_RDWR flag in drm_intel_bo_gem_export_to_prime

This is similar to b81d44d587d1706d5c7568e539340632a748782b: the
DRM_RDWR flag is needed for mmap to work.

Signed-off-by: Nicholas Bishop <nicholasbishop@gmail.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index ade13a4..023af61 100644 (file)
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -2728,7 +2728,7 @@ drm_intel_bo_gem_export_to_prime(drm_intel_bo *bo, int *prime_fd)
        drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo;
 
        if (drmPrimeHandleToFD(bufmgr_gem->fd, bo_gem->gem_handle,
-                              DRM_CLOEXEC, prime_fd) != 0)
+                              DRM_CLOEXEC | DRM_RDWR, prime_fd) != 0)
                return -errno;
 
        bo_gem->reusable = false;