[PATCH 8/8] drm/todo: Add entry for fb funcs related cleanups

[Daniel Vetter]

On Fri, Nov 15, 2019 at 10:21:20AM +0100, Daniel Vetter wrote:
> We're doing a great job for really simple drivers right now, but still
> a lot of boilerplate for the bigger ones.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

Ping for some review/acks on this and the earlier driver patches (not
patch 1, that one is bad).

Thanks, Daniel

> ---
>  Documentation/gpu/todo.rst | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
> index 3ec509381fc5..2d85f37284a1 100644
> --- a/Documentation/gpu/todo.rst
> +++ b/Documentation/gpu/todo.rst
> @@ -182,6 +182,32 @@ Contact: Maintainer of the driver you plan to convert
>  
>  Level: Intermediate
>  
> +drm_framebuffer_funcs and drm_mode_config_funcs.fb_create cleanup
> +-----------------------------------------------------------------
> +
> +A lot more drivers could be switched over to the drm_gem_framebuffer helpers.
> +Various hold-ups:
> +
> +- Need to switch over to the generic dirty tracking code using
> +  drm_atomic_helper_dirtyfb first (e.g. qxl).
> +
> +- Need to switch to drm_fbdev_generic_setup(), otherwise a lot of the custom fb
> +  setup code can't be deleted.
> +
> +- Many drivers wrap drm_gem_fb_create() only to check for valid formats. For
> +  atomic drivers we could check for valid formats by calling
> +  drm_plane_check_pixel_format() against all planes, and pass if any plane
> +  supports the format. For non-atomic that's not possible since like the format
> +  list for the primary plane is fake and we'd therefor reject valid formats.
> +
> +- Many drivers subclass drm_framebuffer, we'd need a embedding compatible
> +  version of the varios drm_gem_fb_create functions. Maybe called
> +  drm_gem_fb_create/_with_dirty/_with_funcs as needed.
> +
> +Contact: Daniel Vetter
> +
> +Level: Intermediate
> +
>  Clean up mmap forwarding
>  ------------------------
>  
> -- 
> 2.24.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch