[igt-dev] [RFT v4 5/6] Coherency tests that need to be using WC + sync
Antonio Argenziano
antonio.argenziano at intel.com
Mon Mar 25 23:20:42 UTC 2019
---
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 33f97b84..f28985da 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;
@@ -103,6 +103,37 @@ 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)
{
@@ -504,7 +535,8 @@ 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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