Re: [igt-dev] [PATCH] [PATCH i-g-t] tests/i915/gem_ringfill:Added __for_each_physical_engine to utilize all available engines.

[Petri Latvala <petri.latvala@intel.com>]

On Fri, Feb 14, 2020 at 06:22:54PM +0530, satyavat wrote:
> Replaced the legacy for_each_engine* defines with the ones implemented
> in the gem_engine_topology library.
> 
> subtest that is modified: Ringfill
> 
> Cc: Dec Katarzyna <katarzyna.dec@intel.com>
> Cc: Ursulin Tvrtko <tvrtko.ursulin@intel.com>
> Signed-off-by: satyavat <satyavathi.k@intel.com>
> ---
>  tests/i915/gem_ringfill.c | 44 +++++++++++++++++++--------------------
>  1 file changed, 21 insertions(+), 23 deletions(-)
> 
> diff --git a/tests/i915/gem_ringfill.c b/tests/i915/gem_ringfill.c
> index 4c73f4d9..c921f04d 100644
> --- a/tests/i915/gem_ringfill.c
> +++ b/tests/i915/gem_ringfill.c
> @@ -96,7 +96,7 @@ static int setup_execbuf(int fd,
>  			 struct drm_i915_gem_execbuffer2 *execbuf,
>  			 struct drm_i915_gem_exec_object2 *obj,
>  			 struct drm_i915_gem_relocation_entry *reloc,
> -			 unsigned int ring)
> +			 const struct intel_execution_engine2 *e)
>  {
>  	const int gen = intel_gen(intel_get_drm_devid(fd));
>  	const uint32_t bbe = MI_BATCH_BUFFER_END;
> @@ -109,7 +109,7 @@ static int setup_execbuf(int fd,
>  	memset(reloc, 0, 1024*sizeof(*reloc));
>  
>  	execbuf->buffers_ptr = to_user_pointer(obj);
> -	execbuf->flags = ring | (1 << 11) | (1 << 12);
> +	execbuf->flags = e->flags | (1 << 11) | (1 << 12);
>  
>  	if (gen > 3 && gen < 6)
>  		execbuf->flags |= I915_EXEC_SECURE;
> @@ -170,25 +170,25 @@ static int setup_execbuf(int fd,
>  	return 0;
>  }
>  
> -static void run_test(int fd, unsigned ring, unsigned flags, unsigned timeout)
> +static void run_test(int fd, const struct intel_execution_engine2 *e, unsigned flags, unsigned timeout)
>  {
> +	int i915;
>  	struct drm_i915_gem_exec_object2 obj[2];
>  	struct drm_i915_gem_relocation_entry reloc[1024];
>  	struct drm_i915_gem_execbuffer2 execbuf;
>  	igt_hang_t hang;
>  
> -	gem_require_ring(fd, ring);
> -	igt_require(gem_can_store_dword(fd, ring));
> +	igt_require(gem_class_can_store_dword(fd, e->class));
>  
>  	if (flags & (SUSPEND | HIBERNATE))
> -		run_test(fd, ring, 0, 0);
> +		run_test(fd, e, 0, 0);
>  
>  	gem_quiescent_gpu(fd);
> -	igt_require(setup_execbuf(fd, &execbuf, obj, reloc, ring) == 0);
> +	igt_require(setup_execbuf(fd, &execbuf, obj, reloc, e) == 0);
>  
>  	memset(&hang, 0, sizeof(hang));
>  	if (flags & HANG)
> -		hang = igt_hang_ring(fd, ring & ~(3<<13));
> +		hang = igt_hang_ring(fd, e->flags & ~(3<<13));
>  
>  	if (flags & (CHILD | FORKED | BOMB)) {
>  		int nchild;
> @@ -203,8 +203,9 @@ static void run_test(int fd, unsigned ring, unsigned flags, unsigned timeout)
>  		igt_debug("Forking %d children\n", nchild);
>  		igt_fork(child, nchild) {
>  			if (flags & NEWFD) {
> -				fd = drm_open_driver(DRIVER_INTEL);
> -				setup_execbuf(fd, &execbuf, obj, reloc, ring);
> +				i915 = gem_reopen_driver(fd);
> +				gem_context_copy_engines(fd, 0, i915, 0);
> +				setup_execbuf(fd, &execbuf, obj, reloc, e);
>  			}
>  			fill_ring(fd, &execbuf, flags, timeout);
>  		}
> @@ -235,11 +236,12 @@ static void run_test(int fd, unsigned ring, unsigned flags, unsigned timeout)
>  	gem_quiescent_gpu(fd);
>  
>  	if (flags & (SUSPEND | HIBERNATE))
> -		run_test(fd, ring, 0, 0);
> +		run_test(fd, e, 0, 0);
>  }
>  
>  igt_main
>  {
> +	const struct intel_execution_engine2 *e;
>  	const struct {
>  		const char *suffix;
>  		unsigned flags;
> @@ -265,7 +267,7 @@ igt_main
>  
>  		fd = drm_open_driver(DRIVER_INTEL);
>  		igt_require_gem(fd);
> -		igt_require(gem_can_store_dword(fd, 0));
> +		igt_require(gem_class_can_store_dword(fd, 0));
>  		gen = intel_gen(intel_get_drm_devid(fd));
>  		if (gen > 3 && gen < 6) { /* ctg and ilk need secure batches */
>  			igt_device_set_master(fd);
> @@ -276,21 +278,17 @@ igt_main
>  		igt_info("Ring size: %d batches\n", ring_size);
>  		igt_require(ring_size);
>  	}
> -
>  	for (m = modes; m->suffix; m++) {
> -		const struct intel_execution_engine *e;
> -
> -		for (e = intel_execution_engines; e->name; e++) {
> -			igt_subtest_f("%s%s%s",
> -				      m->basic && !e->exec_id ? "basic-" : "",
> -				      e->name,
> -				      m->suffix) {
> -				igt_skip_on(m->flags & NEWFD && master);
> -				run_test(fd, eb_ring(e), m->flags, m->timeout);
> +
> +		igt_skip_on(m->flags & NEWFD && master);
> +		igt_subtest_with_dynamic_f("%s%s", m->basic  ? "basic" : "",  m->suffix) {

As seen from the gitlab mail, this makes the non-basic subtest names
begin with '-'. Remove the - from the suffix lists and use "basic-"
here instead.


-- 
Petri Latvala
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