[igt-dev] [PATCH i-g-t v2 5/6] tests/gem_exercise_blt: Add fast-copy test

Zbigniew Kempczyński zbigniew.kempczynski at intel.com
Mon Jan 9 15:34:33 UTC 2023


On Fri, Dec 23, 2022 at 12:13:50PM +0100, Karolina Stolarek wrote:
> Exercise a basic scenario with two block copies in separate batch
> buffers.
> 
> Signed-off-by: Karolina Stolarek <karolina.stolarek at intel.com>
> ---
>  tests/i915/gem_exercise_blt.c | 216 ++++++++++++++++++++++++++++++++++
>  tests/meson.build             |   1 +
>  2 files changed, 217 insertions(+)
>  create mode 100644 tests/i915/gem_exercise_blt.c
> 
> diff --git a/tests/i915/gem_exercise_blt.c b/tests/i915/gem_exercise_blt.c
> new file mode 100644
> index 00000000..67a8b660
> --- /dev/null
> +++ b/tests/i915/gem_exercise_blt.c
> @@ -0,0 +1,216 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright © 2022 Intel Corporation
> + */
> +
> +#include "igt.h"
> +#include "drm.h"
> +#include "i915/gem.h"
> +#include "i915/gem_create.h"
> +#include "lib/intel_chipset.h"
> +#include "i915/i915_blt.h"
> +#include "i915/intel_mocs.h"
> +
> +IGT_TEST_DESCRIPTION("Exercise blitter commands");
> +
> +static struct param {
> +	int tiling;
> +	bool write_png;
> +	bool print_bb;
> +	bool print_surface_info;
> +	int width;
> +	int height;
> +} param = {
> +	.tiling = -1,
> +	.write_png = false,
> +	.print_bb = false,
> +	.print_surface_info = false,
> +	.width = 512,
> +	.height = 512,
> +};
> +
> +#define PRINT_SURFACE_INFO(name, obj) do { \
> +	if (param.print_surface_info) \
> +		blt_surface_info((name), (obj)); } while (0)
> +
> +#define WRITE_PNG(fd, id, name, obj, w, h) do { \
> +	if (param.write_png) \
> +		blt_surface_to_png((fd), (id), (name), (obj), (w), (h)); } while (0)
> +
> +static void fast_copy(int i915, const intel_ctx_t *ctx,
> +		      const struct intel_execution_engine2 *e,
> +		      uint32_t region1, uint32_t region2,
> +		      enum blt_tiling_type mid_tiling)
> +{
> +	struct blt_copy_data blt = {};
> +	struct blt_copy_object *src, *mid, *dst;
> +	const uint32_t bpp = 32;
> +	uint64_t bb_size = 4096;
> +	uint64_t ahnd = intel_allocator_open_full(i915, ctx->id, 0, 0,
> +						  INTEL_ALLOCATOR_SIMPLE,
> +						  ALLOC_STRATEGY_LOW_TO_HIGH, 0);
> +	uint32_t bb;
> +	uint32_t width = param.width, height = param.height;
> +	int result;
> +
> +	igt_assert(__gem_create_in_memory_regions(i915, &bb, &bb_size, region1) == 0);
> +
> +	src = blt_create_object(i915, region1, width, height, bpp, 0,
> +				T_LINEAR, COMPRESSION_DISABLED, 0, true);
> +	mid = blt_create_object(i915, region2, width, height, bpp, 0,
> +				mid_tiling, COMPRESSION_DISABLED, 0, true);
> +	dst = blt_create_object(i915, region1, width, height, bpp, 0,
> +				T_LINEAR, COMPRESSION_DISABLED, 0, true);
> +	igt_assert(src->size == dst->size);
> +
> +	blt_surface_fill_rect(i915, src, width, height);
> +	WRITE_PNG(i915, mid_tiling, "src", src, width, height);
> +
> +	memset(&blt, 0, sizeof(blt));
> +	blt.color_depth = CD_32bit;
> +	blt.print_bb = param.print_bb;
> +	blt_set_copy_object(&blt.src, src);
> +	blt_set_copy_object(&blt.dst, mid);
> +	blt_set_batch(&blt.bb, bb, bb_size, region1);
> +
> +	blt_fast_copy(i915, ctx, e, ahnd, &blt);
> +	gem_sync(i915, mid->handle);
> +
> +	WRITE_PNG(i915, mid_tiling, "src", &blt.src, width, height);

You're writing src png second time. Some pngs will overwrite when 
different regions are in use, but that's not a problem for me. 
Dumping pngs is for debugging purposes so direct subtest selection 
will narrow this to interesting case.

I haven't spotted other issues, with above fixed:

Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>

--
Zbigniew

> +	WRITE_PNG(i915, mid_tiling, "mid", &blt.dst, width, height);
> +
> +	memset(&blt, 0, sizeof(blt));
> +	blt.color_depth = CD_32bit;
> +	blt.print_bb = param.print_bb;
> +	blt_set_copy_object(&blt.src, mid);
> +	blt_set_copy_object(&blt.dst, dst);
> +	blt_set_batch(&blt.bb, bb, bb_size, region1);
> +
> +	blt_fast_copy(i915, ctx, e, ahnd, &blt);
> +	gem_sync(i915, blt.dst.handle);
> +
> +	WRITE_PNG(i915, mid_tiling, "dst", &blt.dst, width, height);
> +
> +	result = memcmp(src->ptr, blt.dst.ptr, src->size);
> +
> +	blt_destroy_object(i915, src);
> +	blt_destroy_object(i915, mid);
> +	blt_destroy_object(i915, dst);
> +	gem_close(i915, bb);
> +	put_ahnd(ahnd);
> +
> +	igt_assert_f(!result, "source and destination surfaces differs!\n");
> +}
> +
> +static void fast_copy_test(int i915,
> +			   const intel_ctx_t *ctx,
> +			   struct igt_collection *set)
> +{
> +	struct igt_collection *regions;
> +	const struct intel_execution_engine2 *e;
> +	int tiling;
> +
> +	for_each_tiling(tiling) {
> +		if (!blt_fast_copy_supports_tiling(i915, tiling))
> +			continue;
> +
> +		for_each_ctx_engine(i915, ctx, e) {
> +			if (e->class != I915_ENGINE_CLASS_COPY)
> +				continue;
> +			for_each_variation_r(regions, 2, set) {
> +				uint32_t region1, region2;
> +				char *regtxt;
> +
> +				region1 = igt_collection_get_value(regions, 0);
> +				region2 = igt_collection_get_value(regions, 1);
> +				regtxt = memregion_dynamic_subtest_name(regions);
> +
> +				igt_dynamic_f("%s-%s",
> +					      blt_tiling_name(tiling), regtxt) {
> +					fast_copy(i915, ctx, e,
> +						  region1, region2,
> +						  tiling);
> +				}
> +
> +				free(regtxt);
> +			}
> +		}
> +	}
> +}
> +
> +static int opt_handler(int opt, int opt_index, void *data)
> +{
> +	switch (opt) {
> +	case 'b':
> +		param.print_bb = true;
> +		igt_debug("Print bb: %d\n", param.print_bb);
> +		break;
> +	case 'p':
> +		param.write_png = true;
> +		igt_debug("Write png: %d\n", param.write_png);
> +		break;
> +	case 's':
> +		param.print_surface_info = true;
> +		igt_debug("Print surface info: %d\n", param.print_surface_info);
> +		break;
> +	case 't':
> +		param.tiling = 1 << atoi(optarg);
> +		igt_debug("Tiling: %d\n", param.tiling);
> +		break;
> +	case 'W':
> +		param.width = atoi(optarg);
> +		igt_debug("Width: %d\n", param.width);
> +		break;
> +	case 'H':
> +		param.height = atoi(optarg);
> +		igt_debug("Height: %d\n", param.height);
> +		break;
> +	default:
> +		return IGT_OPT_HANDLER_ERROR;
> +	}
> +
> +	return IGT_OPT_HANDLER_SUCCESS;
> +}
> +
> +const char *help_str =
> +	"  -b\tPrint bb\n"
> +	"  -p\tWrite PNG\n"
> +	"  -s\tPrint surface info\n"
> +	"  -t\tTiling format (0 - linear, 1 - XMAJOR, 2 - YMAJOR, 3 - TILE4, 4 - TILE64, 5 - YFMAJOR)\n"
> +	"  -W\tWidth (default 512)\n"
> +	"  -H\tHeight (default 512)"
> +	;
> +
> +igt_main_args("b:pst:W:H:", NULL, help_str, opt_handler, NULL)
> +{
> +	struct drm_i915_query_memory_regions *query_info;
> +	struct igt_collection *set;
> +	const intel_ctx_t *ctx;
> +	int i915;
> +	igt_hang_t hang;
> +
> +	igt_fixture {
> +		i915 = drm_open_driver(DRIVER_INTEL);
> +		igt_require_gem(i915);
> +		igt_require(blt_has_fast_copy(i915));
> +
> +		query_info = gem_get_query_memory_regions(i915);
> +		igt_require(query_info);
> +
> +		set = get_memory_region_set(query_info,
> +					    I915_SYSTEM_MEMORY,
> +					    I915_DEVICE_MEMORY);
> +		ctx = intel_ctx_create_all_physical(i915);
> +		hang = igt_allow_hang(i915, ctx->id, 0);
> +	}
> +
> +	igt_describe("Check fast-copy blit");
> +	igt_subtest_with_dynamic("fast-copy") {
> +		fast_copy_test(i915, ctx, set);
> +	}
> +
> +	igt_fixture {
> +		igt_disallow_hang(i915, hang);
> +		close(i915);
> +	}
> +}
> diff --git a/tests/meson.build b/tests/meson.build
> index cb428998..3c8a3ba3 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -129,6 +129,7 @@ i915_progs = [
>  	'gem_exec_nop',
>  	'gem_exec_parallel',
>  	'gem_exec_params',
> +	'gem_exercise_blt',
>  	'gen7_exec_parse',
>  	'gen9_exec_parse',
>  	'gem_exec_reloc',
> -- 
> 2.25.1
> 


More information about the igt-dev mailing list