Re: [igt-dev] [PATCH i-g-t 1/2] tests/i915/gem_ccs: Check ctrl-surf-copy in new context

["Zbigniew Kempczyński" <zbigniew.kempczynski@intel.com>]

On Thu, Mar 17, 2022 at 11:20:01AM +0100, Zbigniew Kempczyński wrote:
> From: Apoorva Singh <apoorva1.singh@intel.com>
> 
> Verify ccs data is binded to physical memory by using
> XY_CTRL_SURF_COPY_BLT command in separate context.
> 
> Signed-off-by: Apoorva Singh <apoorva1.singh@intel.com>
> Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
> ---
>  tests/i915/gem_ccs.c | 36 +++++++++++++++++++++++++-----------
>  1 file changed, 25 insertions(+), 11 deletions(-)
> 
> diff --git a/tests/i915/gem_ccs.c b/tests/i915/gem_ccs.c
> index fdf1fe75f5..1a21e24597 100644
> --- a/tests/i915/gem_ccs.c
> +++ b/tests/i915/gem_ccs.c
> @@ -39,6 +39,7 @@ struct test_config {
>  	bool compression;
>  	bool inplace;
>  	bool surfcopy;
> +	bool new_ctx;
>  };
>  
>  static void set_object(struct blt_copy_object *obj,
> @@ -234,9 +235,8 @@ static void block_copy(int i915,
>  		       const intel_ctx_t *ctx,
>  		       const struct intel_execution_engine2 *e,
>  		       uint32_t region1, uint32_t region2,
> -		       enum blt_tiling mid_tiling, bool compression,
> -		       bool inplace,
> -		       bool surfcopy)
> +		       enum blt_tiling mid_tiling,
> +		       const struct test_config *config)
>  {
>  	struct blt_copy_data blt = {};
>  	struct blt_block_copy_data_ext ext = {}, *pext = &ext;
> @@ -249,7 +249,7 @@ static void block_copy(int i915,
>  	uint32_t run_id = mid_tiling;
>  	uint32_t mid_region = region2, bb;
>  	uint32_t width = param.width, height = param.height;
> -	enum blt_compression mid_compression = compression;
> +	enum blt_compression mid_compression = config->compression;
>  	int mid_compression_format = param.compression_format;
>  	enum blt_compression_type comp_type = COMPRESSION_TYPE_3D;
>  	uint8_t uc_mocs = intel_get_uc_mocs(i915);
> @@ -293,8 +293,17 @@ static void block_copy(int i915,
>  	WRITE_PNG(i915, run_id, "src", &blt.src, width, height);
>  	WRITE_PNG(i915, run_id, "mid", &blt.dst, width, height);
>  
> -	if (surfcopy && pext)
> -		surf_copy(i915, ctx, e, ahnd, src, mid, dst, run_id);
> +	if (config->surfcopy && pext) {
> +		const intel_ctx_t *surf_ctx = ctx;
> +
> +		if (config->new_ctx)
> +			surf_ctx = intel_ctx_create(i915, &ctx->cfg);
> +
> +		surf_copy(i915, surf_ctx, e, ahnd, src, mid, dst, run_id);

There's one thing I would fix. Newly created context doesn't share vm
so separate ahnd should be used here. 

--
Zbigniew

> +
> +		if (surf_ctx != ctx)
> +			intel_ctx_destroy(i915, surf_ctx);
> +	}
>  
>  	memset(&blt, 0, sizeof(blt));
>  	blt.color_depth = CD_32bit;
> @@ -303,7 +312,7 @@ static void block_copy(int i915,
>  	set_blt_object(&blt.dst, dst);
>  	set_object_ext(&ext.src, mid_compression_format, width, height, SURFACE_TYPE_2D);
>  	set_object_ext(&ext.dst, 0, width, height, SURFACE_TYPE_2D);
> -	if (inplace) {
> +	if (config->inplace) {
>  		set_object(&blt.dst, mid->handle, dst->size, mid->region, 0,
>  			   T_LINEAR, COMPRESSION_DISABLED, comp_type);
>  		blt.dst.ptr = mid->ptr;
> @@ -367,10 +376,7 @@ static void block_copy_test(int i915,
>  					      param.compression_format, regtxt) {
>  					block_copy(i915, ctx, e,
>  						   region1, region2,
> -						   tiling,
> -						   config->compression,
> -						   config->inplace,
> -						   config->surfcopy);
> +						   tiling, config);
>  				}
>  				free(regtxt);
>  			}
> @@ -480,6 +486,14 @@ igt_main_args("bf:pst:W:H:", NULL, help_str, opt_handler, NULL)
>  		block_copy_test(i915, &config, ctx, set);
>  	}
>  
> +	igt_subtest_with_dynamic("ctrl-surf-copy-new-ctx") {
> +		struct test_config config = { .compression = true,
> +					      .surfcopy = true,
> +					      .new_ctx = true };
> +
> +		block_copy_test(i915, &config, ctx, set);
> +	}
> +
>  	igt_fixture {
>  		igt_disallow_hang(i915, hang);
>  		close(i915);
> -- 
> 2.32.0
>