On Thu, Jan 25, 2018 at 06:03:58PM -0800, Hyun Kwon wrote:
> 'cpp' doesn't work for any format where component size is not byte aligned.
> Add 'bpp' to have a bit level information. Add a meesage to
> drm_format_plane_cpp() to indicate that the returned cpp would be
> rounded for non byte aligned formats.
>
> Signed-off-by: Hyun Kwon <hyun.kwon@xxxxxxxxxx>
With the macropixel concept, do we really need bpp still? Macropixels
should be enough for basic framebuffer checking in the core at least.
-Daniel
> ---
> v2
> - Introduce bpp
> ---
> ---
> drivers/gpu/drm/drm_fourcc.c | 164 +++++++++++++++++++++++++------------------
> include/drm/drm_fourcc.h | 3 +
> 2 files changed, 99 insertions(+), 68 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index 9c0152d..b891fe0 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -105,74 +105,74 @@ EXPORT_SYMBOL(drm_get_format_name);
> const struct drm_format_info *__drm_format_info(u32 format)
> {
> static const struct drm_format_info formats[] = {
> - { .format = DRM_FORMAT_C8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGB332, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGR233, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XRGB4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XBGR4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBX4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRX4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ARGB4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ABGR4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBA4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRA4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XRGB1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XBGR1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBX5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRX5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ARGB1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ABGR1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBA5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRA5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGR565, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGB888, .depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGR888, .depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBX8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRX8888, .depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGB565_A8, .depth = 24, .num_planes = 2, .cpp = { 2, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGR565_A8, .depth = 24, .num_planes = 2, .cpp = { 2, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBX1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRX1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBA1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRA1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBA8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGB888_A8, .depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGR888_A8, .depth = 32, .num_planes = 2, .cpp = { 3, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XRGB8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_XBGR8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_RGBX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_BGRX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_YUV410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4 },
> - { .format = DRM_FORMAT_YVU410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 4 },
> - { .format = DRM_FORMAT_YUV411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1 },
> - { .format = DRM_FORMAT_YVU411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 4, .vsub = 1 },
> - { .format = DRM_FORMAT_YUV420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2 },
> - { .format = DRM_FORMAT_YVU420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 2 },
> - { .format = DRM_FORMAT_YUV422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1 },
> - { .format = DRM_FORMAT_YVU422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 2, .vsub = 1 },
> - { .format = DRM_FORMAT_YUV444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_YVU444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_NV12, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2 },
> - { .format = DRM_FORMAT_NV21, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2 },
> - { .format = DRM_FORMAT_NV16, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1 },
> - { .format = DRM_FORMAT_NV61, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 1 },
> - { .format = DRM_FORMAT_NV24, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_NV42, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 1, .vsub = 1 },
> - { .format = DRM_FORMAT_YUYV, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> - { .format = DRM_FORMAT_YVYU, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> - { .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 },
> + { .format = DRM_FORMAT_C8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGB332, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGR233, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XRGB4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XBGR4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBX4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRX4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ARGB4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ABGR4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBA4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRA4444, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XRGB1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XBGR1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBX5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRX5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ARGB1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ABGR1555, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBA5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRA5551, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGR565, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGB888, .depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .bpp = { 24, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGR888, .depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .bpp = { 24, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBX8888, .depth = 24, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRX8888, .depth = 24, .num_planes = 1, .cpp = { 1, 0, 0 }, .bpp = { 8, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGB565_A8, .depth = 24, .num_planes = 2, .cpp = { 2, 1, 0 }, .bpp = { 16, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGR565_A8, .depth = 24, .num_planes = 2, .cpp = { 2, 1, 0 }, .bpp = { 16, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBX1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRX1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBA1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRA1010102, .depth = 30, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBA8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGB888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .bpp = { 24, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGR888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .bpp = { 24, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XRGB8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .bpp = { 32, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_XBGR8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .bpp = { 32, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_RGBX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .bpp = { 32, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_BGRX8888_A8, .depth = 32, .num_planes = 2, .cpp = { 4, 1, 0 }, .bpp = { 32, 8, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_YUV410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 4, .vsub = 4 },
> + { .format = DRM_FORMAT_YVU410, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 4, .vsub = 4 },
> + { .format = DRM_FORMAT_YUV411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 4, .vsub = 1 },
> + { .format = DRM_FORMAT_YVU411, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 4, .vsub = 1 },
> + { .format = DRM_FORMAT_YUV420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 2, .vsub = 2 },
> + { .format = DRM_FORMAT_YVU420, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 2, .vsub = 2 },
> + { .format = DRM_FORMAT_YUV422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_YVU422, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_YUV444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_YVU444, .depth = 0, .num_planes = 3, .cpp = { 1, 1, 1 }, .bpp = { 8, 8, 8 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_NV12, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .bpp = { 8, 16, 0 }, .hsub = 2, .vsub = 2 },
> + { .format = DRM_FORMAT_NV21, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .bpp = { 8, 16, 0 }, .hsub = 2, .vsub = 2 },
> + { .format = DRM_FORMAT_NV16, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .bpp = { 8, 16, 0 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_NV61, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .bpp = { 8, 16, 0 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_NV24, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .bpp = { 8, 16, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_NV42, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .bpp = { 8, 16, 0 }, .hsub = 1, .vsub = 1 },
> + { .format = DRM_FORMAT_YUYV, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_YVYU, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .bpp = { 16, 0, 0 }, .hsub = 2, .vsub = 1 },
> + { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .bpp = { 32, 0, 0 }, .hsub = 1, .vsub = 1 },
> };
>
> unsigned int i;
> @@ -248,6 +248,26 @@ int drm_format_num_planes(uint32_t format)
> EXPORT_SYMBOL(drm_format_num_planes);
>
> /**
> + * drm_format_plane_bpp - determine the bits per pixel value
> + * @format: pixel format (DRM_FORMAT_*)
> + * @plane: plane index
> + *
> + * Returns:
> + * The bits per pixel value for the specified plane.
> + */
> +int drm_format_plane_bpp(uint32_t format, int plane)
> +{
> + const struct drm_format_info *info;
> +
> + info = drm_format_info(format);
> + if (!info || plane >= info->num_planes)
> + return 0;
> +
> + return info->bpp[plane];
> +}
> +EXPORT_SYMBOL(drm_format_plane_bpp);
> +
> +/**
> * drm_format_plane_cpp - determine the bytes per pixel value
> * @format: pixel format (DRM_FORMAT_*)
> * @plane: plane index
> @@ -263,6 +283,14 @@ int drm_format_plane_cpp(uint32_t format, int plane)
> if (!info || plane >= info->num_planes)
> return 0;
>
> + if (info->bpp[plane] % 8) {
> + struct drm_format_name_buf buf;
> +
> + DRM_INFO("cpp is off as bpp isn't byte-aligned: format: %s, plane %d, cpp: %u, bpp: %u",
> + drm_get_format_name(format, &buf), plane,
> + info->cpp[plane], info->bpp[plane]);
> + }
> +
> return info->cpp[plane];
> }
> EXPORT_SYMBOL(drm_format_plane_cpp);
> diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
> index 6942e84..752bd43 100644
> --- a/include/drm/drm_fourcc.h
> +++ b/include/drm/drm_fourcc.h
> @@ -36,6 +36,7 @@ struct drm_mode_fb_cmd2;
> * use in new code and set to 0 for new formats.
> * @num_planes: Number of color planes (1 to 3)
> * @cpp: Number of bytes per pixel (per plane)
> + * @bpp: Number of bits per pixel (per plane)
> * @hsub: Horizontal chroma subsampling factor
> * @vsub: Vertical chroma subsampling factor
> */
> @@ -44,6 +45,7 @@ struct drm_format_info {
> u8 depth;
> u8 num_planes;
> u8 cpp[3];
> + u8 bpp[3];
> u8 hsub;
> u8 vsub;
> };
> @@ -63,6 +65,7 @@ drm_get_format_info(struct drm_device *dev,
> const struct drm_mode_fb_cmd2 *mode_cmd);
> uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
> int drm_format_num_planes(uint32_t format);
> +int drm_format_plane_bpp(uint32_t format, int plane);
> int drm_format_plane_cpp(uint32_t format, int plane);
> int drm_format_horz_chroma_subsampling(uint32_t format);
> int drm_format_vert_chroma_subsampling(uint32_t format);
> --
> 2.7.4
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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