Re: [PATCH] igt/kms_rotation_crc: Add a subtest to validate Y-tiled obj + Y fb modifier

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

Hi,

On 17/10/15 03:47, Vivek Kasireddy wrote:
> The main goal of this subtest is to verify whether flipping a
> framebuffer with a Y fb modifier (90/270 degree rotation) and
> an associated Y-tiled object works or not.
>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
> ---
>   tests/kms_rotation_crc.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++
>   1 file changed, 83 insertions(+)
>
> diff --git a/tests/kms_rotation_crc.c b/tests/kms_rotation_crc.c
> index cc9847e..bb9aecb 100644
> --- a/tests/kms_rotation_crc.c
> +++ b/tests/kms_rotation_crc.c
> @@ -264,6 +264,83 @@ static void test_plane_rotation(data_t *data, enum igt_plane plane_type)
>   	igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
>   }
>
> +static void test_plane_rotation_ytiled_obj(data_t *data, enum igt_plane plane_type)
> +{
> +	igt_display_t *display = &data->display;
> +	uint64_t tiling = LOCAL_I915_FORMAT_MOD_Y_TILED;
> +	uint32_t format = DRM_FORMAT_XRGB8888;
> +	int bpp = igt_drm_format_to_bpp(format);
> +	enum igt_commit_style commit = COMMIT_LEGACY;
> +	int fd = data->gfx_fd;
> +	int valid_tests = 0;
> +	igt_output_t *output;
> +	int ret;
> +
> +	if (plane_type == IGT_PLANE_PRIMARY || plane_type == IGT_PLANE_CURSOR) {
> +		igt_require(data->display.has_universal_planes);
> +		commit = COMMIT_UNIVERSAL;
> +	}
> +
> +	for_each_connected_output(display, output) {
> +		igt_plane_t *plane;
> +		drmModeModeInfo *mode = igt_output_get_mode(output);
> +		unsigned int w = mode->hdisplay;
> +		unsigned int h = mode->vdisplay;
> +		unsigned int stride, size;
> +		uint32_t gem_handle;
> +
> +		for (stride = 512; stride < (w * bpp / 8); stride *= 2)
> +			;
> +		for (size = 1024*1024; size < stride * h; size *= 2)
> +			;
> +
> +		gem_handle = gem_create(fd, size);
> +		ret = __gem_set_tiling(fd, gem_handle, I915_TILING_Y, stride);
> +		igt_assert(ret == 0);
> +
> +		do_or_die(__kms_addfb(fd, gem_handle, w, h, stride,
> +			  format, tiling, LOCAL_DRM_MODE_FB_MODIFIERS,
> +			  &data->fb.fb_id));
> +
> +		data->fb.width = w;
> +		data->fb.height = h;
> +		data->fb.gem_handle = gem_handle;
> +		data->fb.stride = stride;
> +		data->fb.size = size;
> +		data->fb.tiling = tiling;
> +		data->fb.drm_format = format;
> +
> +		plane = igt_output_get_plane(output, plane_type);
> +		igt_require(igt_plane_supports_rotation(plane));
> +
> +		igt_plane_set_fb(plane, NULL);
> +		igt_display_commit(display);
> +
> +		igt_plane_set_rotation(plane, data->rotation);
> +		paint_squares(data, mode, IGT_ROTATION_0, plane);
> +		igt_plane_set_fb(plane, &data->fb);
> +
> +		drmModeObjectSetProperty(fd, plane->drm_plane->plane_id,
> +					 DRM_MODE_OBJECT_PLANE,
> +					 plane->rotation_property,
> +					 plane->rotation);
> +		ret = igt_display_try_commit2(display, commit);
> +		igt_assert(ret == 0);

This manages to trigger the WARN? How come since paint_squares above 
will have created the normal VMA?

Regards,

Tvrtko
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