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From: Antonio Argenziano <antonio.argenziano@intel.com>
To: igt-dev@lists.freedesktop.org
Subject: [igt-dev] [RFC 4/4] tests/i915/prime_mmap: Add WC correctness test
Date: Tue, 12 Mar 2019 14:57:38 -0700	[thread overview]
Message-ID: <20190312215738.5598-5-antonio.argenziano@intel.com> (raw)
In-Reply-To: <20190312215738.5598-1-antonio.argenziano@intel.com>

Signed-off-by: Antonio Argenziano <antonio.argenziano@intel.com>
---
 tests/prime_mmap.c | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/tests/prime_mmap.c b/tests/prime_mmap.c
index fc985784..d3833f91 100644
--- a/tests/prime_mmap.c
+++ b/tests/prime_mmap.c
@@ -73,7 +73,7 @@ fill_bo_cpu(char *ptr)
 }
 
 static void
-test_correct(void)
+test_correct_gtt(void)
 {
 	int dma_buf_fd;
 	char *ptr1, *ptr2;
@@ -101,6 +101,37 @@ test_correct(void)
 	gem_close(fd, handle);
 }
 
+static void
+test_correct_wc(void)
+{
+	int dma_buf_fd;
+	char *ptr1, *ptr2;
+	uint32_t handle;
+
+	gem_require_mmap_wc(fd);
+
+	handle = gem_create(fd, BO_SIZE);
+	fill_bo(handle, BO_SIZE);
+
+	dma_buf_fd = prime_handle_to_fd(fd, handle);
+	igt_assert(errno == 0);
+
+	/* Check correctness vs WC mapping */
+	ptr1 = gem_mmap__wc(fd, handle, 0, BO_SIZE, PROT_READ);
+	ptr2 = mmap(NULL, BO_SIZE, PROT_READ, MAP_SHARED, dma_buf_fd, 0);
+	igt_assert(ptr1 != MAP_FAILED);
+	igt_assert(ptr2 != MAP_FAILED);
+	igt_assert(memcmp(ptr1, ptr2, BO_SIZE) == 0);
+
+	/* Check pattern correctness */
+	igt_assert(memcmp(ptr2, pattern, sizeof(pattern)) == 0);
+
+	munmap(ptr1, BO_SIZE);
+	munmap(ptr2, BO_SIZE);
+	close(dma_buf_fd);
+	gem_close(fd, handle);
+}
+
 static void
 test_map_unmap(void)
 {
@@ -502,7 +533,8 @@ igt_main
 		const char *name;
 		void (*fn)(void);
 	} tests[] = {
-		{ "test_correct", test_correct },
+		{ "test_correct_gtt", test_correct_gtt },
+		{ "test_correct_wc", test_correct_wc },
 		{ "test_map_unmap", test_map_unmap },
 		{ "test_reprime", test_reprime },
 		{ "test_forked", test_forked },
-- 
2.20.1

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  parent reply	other threads:[~2019-03-12 21:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-12 21:57 [igt-dev] [RFC 0/4] Improve mmap interface coverage Antonio Argenziano
2019-03-12 21:57 ` [igt-dev] [RFC 1/4] tests/i915/gem_mmap_gtt: Add invalid parameters test Antonio Argenziano
2019-03-12 22:04   ` Chris Wilson
2019-03-12 22:11     ` Antonio Argenziano
2019-03-12 22:18       ` Chris Wilson
2019-03-12 21:57 ` [igt-dev] [RFC 2/4] tests/i915/gem_mmap: Add invalid parameters tests Antonio Argenziano
2019-03-12 22:02   ` Chris Wilson
2019-03-12 22:13     ` Antonio Argenziano
2019-03-13 22:18     ` Antonio Argenziano
2019-03-13 22:52       ` Chris Wilson
2019-03-12 21:57 ` [igt-dev] [RFC 3/4] tests/i915/gem_mmap_wc: Add invalid params tests Antonio Argenziano
2019-03-12 21:57 ` Antonio Argenziano [this message]
2019-03-12 22:07   ` [igt-dev] [RFC 4/4] tests/i915/prime_mmap: Add WC correctness test Chris Wilson
2019-03-13 13:38 ` [igt-dev] ✓ Fi.CI.BAT: success for Improve mmap interface coverage Patchwork
2019-03-13 16:12 ` [igt-dev] ✓ Fi.CI.IGT: " Patchwork

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