[igt-dev] [PATCH i-g-t v4 14/25] tests/kms_fence_pin_leak.c: Remove libdrm dependency

Zbigniew Kempczyński zbigniew.kempczynski at intel.com
Wed Sep 23 12:59:16 UTC 2020


On Tue, Sep 22, 2020 at 01:52:18PM +0200, Dominik Grzegorzek wrote:
> Use intel_bb / intel_buf to remove libdrm dependency.
> 
> Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek at intel.com>
> Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  tests/kms_fence_pin_leak.c | 83 +++++++++++++++++++++-----------------
>  1 file changed, 45 insertions(+), 38 deletions(-)
> 
> diff --git a/tests/kms_fence_pin_leak.c b/tests/kms_fence_pin_leak.c
> index b59efc0a..a86f2cdb 100644
> --- a/tests/kms_fence_pin_leak.c
> +++ b/tests/kms_fence_pin_leak.c
> @@ -37,34 +37,45 @@ IGT_TEST_DESCRIPTION("Exercises full ppgtt fence pin_count leak in the "
>  typedef struct {
>  	int drm_fd;
>  	uint32_t devid;
> -	drm_intel_bufmgr *bufmgr;
> +	struct buf_ops *bops;
>  	igt_display_t display;
> -	drm_intel_bo *bos[64]; /* >= num fence registers */
> +	struct intel_buf *bos[64]; /* >= num fence registers */
>  } data_t;
>  
> -static void exec_nop(data_t *data, uint32_t handle, drm_intel_context *context)
> +static void exec_nop(data_t *data, struct igt_fb *fb, uint32_t context)
>  {
> -	drm_intel_bo *dst;
> -	struct intel_batchbuffer *batch;
> +	struct intel_buf *dst;
> +	struct intel_bb *ibb;
> +	uint32_t name, handle, tiling, stride, width, height, bpp, size;
>  
> -	dst = gem_handle_to_libdrm_bo(data->bufmgr, data->drm_fd, "", handle);
> -	igt_assert(dst);
> +	tiling = igt_fb_mod_to_tiling(fb->modifier);
> +	stride = fb->strides[0];
> +	bpp = fb->plane_bpp[0];
> +	size = fb->size;
> +	width = stride / (bpp / 8);
> +	height = size / stride;
>  
> -	batch = intel_batchbuffer_alloc(data->bufmgr, data->devid);
> -	igt_assert(batch);
> +	name = gem_flink(data->drm_fd, fb->gem_handle);
> +	handle = gem_open(data->drm_fd, name);
> +	dst = intel_buf_create_using_handle(data->bops, handle,
> +				    width, height, bpp, 0, tiling, 0);

Indentation.

> +	intel_buf_set_ownership(dst, true);
> +
> +	ibb = intel_bb_create(buf_ops_get_fd(data->bops), 4096);
>  
>  	/* add the reloc to make sure the kernel will think we write to dst */
> -	BEGIN_BATCH(4, 1);
> -	OUT_BATCH(MI_BATCH_BUFFER_END);
> -	OUT_BATCH(MI_NOOP);
> -	OUT_RELOC(dst, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
> -	OUT_BATCH(MI_NOOP);
> -	ADVANCE_BATCH();
> +	intel_bb_add_intel_buf(ibb, dst, true);
> +	intel_bb_out(ibb, MI_BATCH_BUFFER_END);
> +	intel_bb_out(ibb, MI_NOOP);
> +	intel_bb_emit_reloc(ibb, dst->handle, I915_GEM_DOMAIN_RENDER,
> +			    I915_GEM_DOMAIN_RENDER, 0, 0x0);
> +	intel_bb_out(ibb, MI_NOOP);
> +
> +	intel_bb_flush_render_with_context(ibb, context);
>  
> -	intel_batchbuffer_flush_with_context(batch, context);
> -	intel_batchbuffer_free(batch);
> +	intel_bb_destroy(ibb);
>  
> -	drm_intel_bo_unreference(dst);
> +	intel_buf_destroy(dst);
>  }
>  
>  static void alloc_fence_objs(data_t *data)
> @@ -72,13 +83,13 @@ static void alloc_fence_objs(data_t *data)
>  	int i;
>  
>  	for (i = 0; i < ARRAY_SIZE(data->bos); i++) {
> -		drm_intel_bo *bo;
> +		struct intel_buf *buf;
>  
> -		bo = drm_intel_bo_alloc(data->bufmgr, "fence bo", 4096, 4096);
> -		igt_assert(bo);
> -		gem_set_tiling(data->drm_fd, bo->handle, I915_TILING_X, 512);
> +		buf = intel_buf_create(data->bops, 32, 32, 32, 4096,
> +				       I915_TILING_NONE, I915_COMPRESSION_NONE);
> +		gem_set_tiling(data->drm_fd, buf->handle, I915_TILING_X, 512);

Better use:

	for (i = 0; i < ARRAY_SIZE(data->bos); i++) {
		struct intel_buf *buf;

		buf = intel_buf_create(data->bops, 128, 8, 32, 0,
				       I915_TILING_X, I915_COMPRESSION_NONE);
		igt_assert(buf->surface[0].stride == 512);
		data->bos[i] = buf;
	}

--
Zbigniew
>  
> -		data->bos[i] = bo;
> +		data->bos[i] = buf;
>  	}
>  }
>  
> @@ -102,7 +113,7 @@ static void free_fence_objs(data_t *data)
>  	int i;
>  
>  	for (i = 0; i < ARRAY_SIZE(data->bos); i++)
> -		drm_intel_bo_unreference(data->bos[i]);
> +		intel_buf_destroy(data->bos[i]);
>  }
>  
>  static void run_single_test(data_t *data, enum pipe pipe, igt_output_t *output)
> @@ -133,19 +144,18 @@ static void run_single_test(data_t *data, enum pipe pipe, igt_output_t *output)
>  	igt_display_commit(display);
>  
>  	for (i = 0; i < 64; i++) {
> -		drm_intel_context *ctx;
> +		uint32_t ctx;
>  
>  		/*
>  		 * Link fb.gem_handle to the ppgtt vm of ctx so that the context
>  		 * destruction will unbind the obj from the ppgtt vm in question.
>  		 */
> -		ctx = drm_intel_gem_context_create(data->bufmgr);
> -		igt_assert(ctx);
> -		exec_nop(data, fb[i&1].gem_handle, ctx);
> -		drm_intel_gem_context_destroy(ctx);
> +		ctx = gem_context_create(data->drm_fd);
> +		exec_nop(data, &fb[i&1], ctx);
> +		gem_context_destroy(data->drm_fd, ctx);
>  
>  		/* Force a context switch to make sure ctx gets destroyed for real. */
> -		exec_nop(data, fb[i&1].gem_handle, NULL);
> +		exec_nop(data, &fb[i&1], 0);
>  
>  		gem_sync(data->drm_fd, fb[i&1].gem_handle);
>  
> @@ -196,7 +206,7 @@ static void run_test(data_t *data)
>  
>  igt_simple_main
>  {
> -	drm_intel_context *ctx;
> +	uint32_t ctx;
>  	data_t data = {};
>  
>  	data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
> @@ -207,15 +217,12 @@ igt_simple_main
>  
>  	kmstest_set_vt_graphics_mode();
>  
> -	data.bufmgr = drm_intel_bufmgr_gem_init(data.drm_fd, 4096);
> -	igt_assert(data.bufmgr);
> -	drm_intel_bufmgr_gem_enable_reuse(data.bufmgr);
> +	data.bops = buf_ops_create(data.drm_fd);
>  
>  	igt_display_require(&data.display, data.drm_fd);
>  
> -	ctx = drm_intel_gem_context_create(data.bufmgr);
> -	igt_require(ctx);
> -	drm_intel_gem_context_destroy(ctx);
> +	ctx = gem_context_create(data.drm_fd);
> +	gem_context_destroy(data.drm_fd, ctx);
>  
>  	alloc_fence_objs(&data);
>  
> @@ -223,6 +230,6 @@ igt_simple_main
>  
>  	free_fence_objs(&data);
>  
> -	drm_intel_bufmgr_destroy(data.bufmgr);
> +	buf_ops_destroy(data.bops);
>  	igt_display_fini(&data.display);
>  }
> -- 
> 2.20.1
> 


More information about the igt-dev mailing list