[igt-dev] [PATCH i-g-t] [i-g-t] tests/kms_plane_scaling: Change minimum fb height for YUV 420 planar

[Maarten Lankhorst]

Op 06-03-18 om 10:21 schreef Vidya Srinivas:
> When the plane scaling is used with YUV 420 planar formats,
> the height should be a minimum of 16 scanlines as per BSpec
> Minimum of 8 scanlines is for non-YUV 420 planar formats.
> Patch changes the minimum fb height being used in the test
> in case of YUV 420 planar (for now NV12 as only that is supported).
>
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
> ---
>  tests/kms_plane_scaling.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
> index 4408e5c..cf49015 100644
> --- a/tests/kms_plane_scaling.c
> +++ b/tests/kms_plane_scaling.c
> @@ -131,6 +131,8 @@ static void check_scaling_pipe_plane_rot(data_t *d, igt_plane_t *plane,
>  
>  	/* create buffer in the range of  min and max source side limit.*/
>  	width = height = 9;
> +	if (pixel_format == DRM_FORMAT_NV12)
> +		height = 16;
>  	igt_create_color_fb(display->drm_fd, width, height,
>  		       pixel_format, tiling, 0.0, 1.0, 0.0, &d->fb[0]);
>  	igt_plane_set_fb(plane, &d->fb[0]);

And shouldn't we reject this in the kernel?

~Maarten