[igt-dev] [PATCH i-g-t 1/2] test/prime_vgem: Remove test_userptr test

[Nirmoy Das]

vgem objects are flagged with VM_PFNMAP which
doesn't work with get_user_pages which is needed
for userptr test.

References: https://patchwork.freedesktop.org/patch/449741/
Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda at intel.com>
---
 tests/prime_vgem.c | 49 ----------------------------------------------
 1 file changed, 49 deletions(-)

diff --git a/tests/prime_vgem.c b/tests/prime_vgem.c
index 9aa767c9cd..dcf9e78d4b 100644
--- a/tests/prime_vgem.c
+++ b/tests/prime_vgem.c
@@ -294,51 +294,6 @@ static void test_write(int vgem, int i915)
 	munmap(ptr, scratch.size);
 }
 
-static bool has_userptr(int i915)
-{
-	uint32_t handle = 0;
-	void *ptr;
-
-	igt_assert(posix_memalign(&ptr, 4096, 4096) == 0);
-	if (__gem_userptr(i915, ptr, 4096, 0, 0, &handle) == 0)
-		gem_close(i915, handle);
-	free(ptr);
-
-	return handle;
-}
-
-static void test_userptr(int vgem, int i915)
-{
-	struct drm_i915_gem_exec_object2 obj = {};
-	struct drm_i915_gem_execbuffer2 execbuf = {
-		.buffers_ptr = to_user_pointer(&obj),
-		.buffer_count = 1,
-	};
-	struct vgem_bo scratch;
-	uint32_t *ptr;
-
-	igt_require(has_userptr(i915));
-
-	scratch.width = 1024;
-	scratch.height = 1024;
-	scratch.bpp = 32;
-	vgem_create(vgem, &scratch);
-
-	/* vgem is acting as a simple provider of a single vma backed by pages */
-	ptr = vgem_mmap(vgem, &scratch, PROT_WRITE);
-	gem_close(vgem, scratch.handle);
-	*ptr = MI_BATCH_BUFFER_END;
-
-	gem_userptr(i915, ptr, scratch.size, 0, 0, &obj.handle);
-	if (igt_has_set_caching(intel_get_drm_devid(i915)))
-		gem_set_caching(i915, obj.handle, I915_CACHING_NONE); /* for !llc exec */
-
-	gem_execbuf(i915, &execbuf);
-	gem_close(i915, obj.handle);
-
-	munmap(ptr, scratch.size);
-}
-
 static void test_gtt(int vgem, int i915)
 {
 	struct vgem_bo scratch;
@@ -1141,10 +1096,6 @@ igt_main
 	igt_subtest("basic-write")
 		test_write(vgem, i915);
 
-	igt_describe("Check that we wrap the vgem mmap with userptr.");
-	igt_subtest("basic-userptr")
-		test_userptr(vgem, i915);
-
 	igt_describe("Examine access path through GTT.");
 	igt_subtest("basic-gtt") {
 		gem_require_mappable_ggtt(i915);
-- 
2.39.0