[igt-dev] [PATCH i-g-t, v4] i915/gem_mmap: Added test description for test case

[apoorva1.singh at intel.com]

From: Apoorva Singh <apoorva1.singh at intel.com>

Added test description to all the available subtests.

v2: Modified few descriptions to be more specific

v3: Rebase

v4: Incorporated minor changes as suggested in feedback

Signed-off-by: Apoorva Singh <apoorva1.singh at intel.com>
Cc: Kamil Konieczny <kamil.konieczny at linux.intel.com>
Cc: Arjun Melkaveri <arjun.melkaveri at intel.com>
---
 tests/i915/gem_mmap.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tests/i915/gem_mmap.c b/tests/i915/gem_mmap.c
index 61c9c5c1..9d72727b 100644
--- a/tests/i915/gem_mmap.c
+++ b/tests/i915/gem_mmap.c
@@ -39,6 +39,8 @@
 #include "drm.h"
 #include "i915/gem_create.h"
 
+IGT_TEST_DESCRIPTION("Basic MMAP IOCTL tests for memory regions.");
+
 #define OBJECT_SIZE 16384
 #define PAGE_SIZE 4096
 int fd;
@@ -161,6 +163,7 @@ igt_main
 		igt_require(gem_has_legacy_mmap(fd));
 	}
 
+	igt_describe("Verify mapping to invalid gem objects won't be created.");
 	igt_subtest("bad-object") {
 		uint32_t real_handle = gem_create(fd, 4096);
 		uint32_t handles[20];
@@ -185,6 +188,7 @@ igt_main
 		gem_close(fd, real_handle);
 	}
 
+	igt_describe("Verify mapping to gem object with invalid offset won't be created.");
 	igt_subtest("bad-offset") {
 		struct bad_offset {
 			uint64_t size;
@@ -212,6 +216,7 @@ igt_main
 		}
 	}
 
+	igt_describe("Verify mapping to gem object with invalid size won't be created.");
 	igt_subtest("bad-size") {
 		uint64_t bad_size[] = {
 			0,
@@ -242,6 +247,8 @@ igt_main
 		}
 	}
 
+	igt_describe("Test basics of newly mapped gem object like default content, write and read "
+	       "coherency, mapping existence after gem_close and unmapping.");
 	igt_subtest("basic") {
 		struct drm_i915_gem_mmap arg = {
 			.handle = gem_create(fd, OBJECT_SIZE),
@@ -269,6 +276,7 @@ igt_main
 		munmap(addr, OBJECT_SIZE);
 	}
 
+	igt_describe("Map small buffer object though direct CPU access, bypassing GPU.");
 	igt_subtest("short-mmap") {
 		uint32_t handle = gem_create(fd, OBJECT_SIZE);
 
@@ -281,15 +289,28 @@ igt_main
 		gem_close(fd, handle);
 	}
 
+	igt_describe("Verify that GTT page faults are asynchronous to GPU rendering and "
+	       "completes within a specific time.");
 	igt_subtest("pf-nonblock")
 		test_pf_nonblock(fd);
 
+	igt_describe("Test the write read coherency and simultaneous access of different pages "
+	       "of a small buffer object.");
 	igt_subtest("basic-small-bo")
 		test_huge_bo(-1);
+
+	igt_describe("Test the write read coherency and simultaneous access of different pages "
+	       "of a big buffer object.");
 	igt_subtest("big-bo")
 		test_huge_bo(0);
+
+	igt_describe("Test the write read coherency and simultaneous access of different pages "
+	       "of a huge buffer object.");
 	igt_subtest("huge-bo")
 		test_huge_bo(1);
+
+	igt_describe("Test the write read coherency and simultaneous access of different pages "
+	       "while swapping buffer object.");
 	igt_subtest("swap-bo")
 		test_huge_bo(2);
 
-- 
2.25.1