Hi Randy,
On 4 January 2017 at 16:29, Randy Li <ayaka@xxxxxxxxxxx> wrote:
> index 90d2cc8..23c8e99 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -165,6 +165,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
> { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> + /* FIXME a pixel in Y for P010 is 10 bits */
> + { .format = DRM_FORMAT_P010, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2 },
It seems like P010 stores each Y component in a 16-bit value, with the
bottom 6 bits ignored. So I think cpp here should be 2.
Cheers,
Daniel
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