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igt/gem_exec_suspend: Do pre/post suspend double checks

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Check that the system operates normally before and after the suspend (as
well as across the suspend). The goal is to isolate the breakage to the
subtest.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-04 09:40:51 +00:00
parent 9ba9af2ea4
commit 60eafc5489
3 changed files with 32 additions and 11 deletions
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20
lib/ioctl_wrappers.c
View File

@ -1396,11 +1396,17 @@ void gem_require_caching(int fd)
errno = 0;
}
static int gem_has_ring(int fd, int ring)
bool gem_has_ring(int fd, unsigned ring)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 exec;
/* silly ABI, the kernel thinks everyone who has BSD also has BSD2 */
if ((ring & ~(3<<13)) == I915_EXEC_BSD) {
if (ring & (3 << 13) && !gem_has_bsd2(fd))
return false;
}
memset(&exec, 0, sizeof(exec));
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = (uintptr_t)&exec;
@ -1412,21 +1418,15 @@ static int gem_has_ring(int fd, int ring)
/**
* gem_require_ring:
* @fd: open i915 drm file descriptor
* @ring_id: ring flag bit as used in gem_execbuf()
* @ring: ring flag bit as used in gem_execbuf()
*
* Feature test macro to query whether a specific ring is available.
* In contrast to gem_has_enable_ring() this automagically skips if the ring
* isn't available by calling igt_require().
*/
void gem_require_ring(int fd, int ring_id)
void gem_require_ring(int fd, unsigned ring)
{
igt_require(gem_has_ring(fd, ring_id));
/* silly ABI, the kernel thinks everyone who has BSD also has BSD2 */
if ((ring_id & ~(3<<13)) == I915_EXEC_BSD) {
if (ring_id & (3 << 13))
igt_require(gem_has_bsd2(fd));
}
igt_require(gem_has_ring(fd, ring));
}
/* prime */

3
lib/ioctl_wrappers.h
View File

@ -152,7 +152,8 @@ bool gem_has_softpin(int fd);
/* check functions which auto-skip tests by calling igt_skip() */
void gem_require_caching(int fd);
void gem_require_ring(int fd, int ring_id);
bool gem_has_ring(int fd, unsigned ring);
void gem_require_ring(int fd, unsigned ring);
/* prime */
struct local_dma_buf_sync {

20
tests/gem_exec_suspend.c
View File

@ -36,6 +36,8 @@ enum mode {
HIBERNATE,
};
static void run_test(int fd, unsigned ring, enum mode mode);
static void check_bo(int fd, uint32_t handle)
{
uint32_t *map;
@ -49,6 +51,14 @@ static void check_bo(int fd, uint32_t handle)
munmap(map, 4096);
}
static void test_all(int fd)
{
const struct intel_execution_engine *e;
for (e = intel_execution_engines; e->name; e++)
if (gem_has_ring(fd, e->exec_id | e->flags))
run_test(fd, e->exec_id | e->flags, NOSLEEP);
}
static void run_test(int fd, unsigned ring, enum mode mode)
{
const int gen = intel_gen(intel_get_drm_devid(fd));
@ -61,6 +71,10 @@ static void run_test(int fd, unsigned ring, enum mode mode)
igt_skip_on_f(gen == 6 && (ring & ~(3<<13)) == I915_EXEC_BSD,
"MI_STORE_DATA broken on gen6 bsd\n");
/* Before suspending, check normal operation */
if (mode != NOSLEEP)
test_all(fd);
gem_quiescent_gpu(fd);
memset(&execbuf, 0, sizeof(execbuf));
@ -135,6 +149,12 @@ static void run_test(int fd, unsigned ring, enum mode mode)
check_bo(fd, obj[0].handle);
gem_close(fd, obj[0].handle);
gem_quiescent_gpu(fd);
/* After resume, make sure it still works */
if (mode != NOSLEEP)
test_all(fd);
}
igt_main