Re: [PATCH i-g-t 6/9] tests/i915/gem_gpgpu_fill: Use memory region interface

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On Wed, May 19, 2021 at 03:53:34PM +0100, Matthew Auld wrote:
> From: Andrzej Turko <andrzej.turko@xxxxxxxxxxxxxxx>
> 
> Converted the test gem_gpgpu_fill to use memory region uapi.
> 
> Signed-off-by: Andrzej Turko <andrzej.turko@xxxxxxxxxxxxxxx>
> Cc: Zbigniew Kempczynski <zbigniew.kempczynski@xxxxxxxxx>
> Cc: Dominik Grzegorzek <dominik.grzegorzek@xxxxxxxxx>
> Cc: Petri Latvala <petri.latvala@xxxxxxxxx>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>

Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@xxxxxxxxx>

--
Zbigniew

> ---
>  tests/i915/gem_gpgpu_fill.c | 42 ++++++++++++++++++++++++++++++-------
>  1 file changed, 34 insertions(+), 8 deletions(-)
> 
> diff --git a/tests/i915/gem_gpgpu_fill.c b/tests/i915/gem_gpgpu_fill.c
> index 5b11fb35..1fcd42e2 100644
> --- a/tests/i915/gem_gpgpu_fill.c
> +++ b/tests/i915/gem_gpgpu_fill.c
> @@ -45,13 +45,14 @@
>  #include "drm.h"
>  #include "i915/gem.h"
>  #include "igt.h"
> +#include "igt_collection.h"
>  #include "intel_bufops.h"
> +#include "i915/intel_memory_region.h"
>  
>  #define WIDTH 64
>  #define HEIGHT 64
>  #define STRIDE (WIDTH)
>  #define SIZE (HEIGHT*STRIDE)
> -
>  #define COLOR_C4	0xc4
>  #define COLOR_4C	0x4c
>  
> @@ -62,10 +63,11 @@ typedef struct {
>  } data_t;
>  
>  static struct intel_buf *
> -create_buf(data_t *data, int width, int height, uint8_t color)
> +create_buf(data_t *data, int width, int height, uint8_t color, uint32_t region)
>  {
>  	struct intel_buf *buf;
>  	uint8_t *ptr;
> +	uint32_t handle;
>  	int i;
>  
>  	buf = calloc(1, sizeof(*buf));
> @@ -75,8 +77,10 @@ create_buf(data_t *data, int width, int height, uint8_t color)
>  	 * Legacy code uses 32 bpp after buffer creation.
>  	 * Let's do the same due to keep shader intact.
>  	 */
> -	intel_buf_init(data->bops, buf, width/4, height, 32, 0,
> -		       I915_TILING_NONE, 0);
> +	handle = gem_create_in_memory_regions(data->drm_fd, SIZE, region);
> +	intel_buf_init_using_handle(data->bops, handle, buf,
> +				    width/4, height, 32, 0,
> +				    I915_TILING_NONE, 0);
>  
>  	ptr = gem_mmap__cpu_coherent(data->drm_fd, buf->handle, 0,
>  				     buf->surface[0].size, PROT_WRITE);
> @@ -99,15 +103,16 @@ static void buf_check(uint8_t *ptr, int x, int y, uint8_t color)
>  		     color, val, x, y);
>  }
>  
> -static void gpgpu_fill(data_t *data, igt_fillfunc_t fill)
> +static void gpgpu_fill(data_t *data, igt_fillfunc_t fill, uint32_t region)
>  {
>  	struct intel_buf *buf;
>  	uint8_t *ptr;
>  	int i, j;
>  
> -	buf = create_buf(data, WIDTH, HEIGHT, COLOR_C4);
> +	buf = create_buf(data, WIDTH, HEIGHT, COLOR_C4, region);
>  	ptr = gem_mmap__device_coherent(data->drm_fd, buf->handle, 0,
>  					buf->surface[0].size, PROT_READ);
> +
>  	for (i = 0; i < WIDTH; i++)
>  		for (j = 0; j < HEIGHT; j++)
>  			buf_check(ptr, i, j, COLOR_C4);
> @@ -123,10 +128,13 @@ static void gpgpu_fill(data_t *data, igt_fillfunc_t fill)
>  
>  	munmap(ptr, buf->surface[0].size);
>  }
> +
>  igt_main
>  {
>  	data_t data = {0, };
>  	igt_fillfunc_t fill_fn = NULL;
> +	struct drm_i915_query_memory_regions *region_info;
> +	struct igt_collection *region_set;
>  
>  	igt_fixture {
>  		data.drm_fd = drm_open_driver_render(DRIVER_INTEL);
> @@ -138,12 +146,30 @@ igt_main
>  
>  		igt_require_f(fill_fn, "no gpgpu-fill function\n");
>  
> +		region_info = gem_get_query_memory_regions(data.drm_fd);
> +		igt_assert(region_info);
> +
> +		region_set = get_memory_region_set(region_info,
> +						   I915_SYSTEM_MEMORY);
>  	}
>  
> -	igt_subtest("basic")
> -		gpgpu_fill(&data, fill_fn);
> +	igt_subtest_with_dynamic("basic") {
> +		struct igt_collection *region;
> +
> +		for_each_combination(region, 1, region_set) {
> +			char *name = memregion_dynamic_subtest_name(region);
> +			uint32_t id = igt_collection_get_value(region, 0);
> +
> +			igt_dynamic(name)
> +				gpgpu_fill(&data, fill_fn, id);
> +
> +			free(name);
> +		}
> +	}
>  
>  	igt_fixture {
> +		igt_collection_destroy(region_set);
> +		free(region_info);
>  		buf_ops_destroy(data.bops);
>  	}
>  }
> -- 
> 2.26.3
> 
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