[RFC PATCH 2/2] video: meson: Use reserving memory function without kernel linear mapping

[Simon Glass]

Hi Michael,

On Wed, 19 Feb 2020 at 11:43, Michael Trimarchi
<michael at amarulasolutions.com> wrote:
>
> Memory reserved for the simple framebuffer should not be used
> and part of memory linear mapping
>
> Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
> ---
>  drivers/video/meson/meson_vpu.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Is there a binding file for this? Please add it to a patch.

>
> diff --git a/drivers/video/meson/meson_vpu.c b/drivers/video/meson/meson_vpu.c
> index 4eb66398d0..134e011b82 100644
> --- a/drivers/video/meson/meson_vpu.c
> +++ b/drivers/video/meson/meson_vpu.c
> @@ -173,9 +173,9 @@ static void meson_vpu_setup_simplefb(void *fdt)
>          * at the end of the RAM and we strip this portion from the kernel
>          * allowed region
>          */
> -       mem_start = gd->bd->bi_dram[0].start;
> -       mem_size = gd->bd->bi_dram[0].size - meson_fb.fb_size;
> -       ret = fdt_fixup_memory_banks(fdt, &mem_start, &mem_size, 1);
> +       mem_start = meson_fb.base;
> +       mem_size = meson_fb.fb_size;
> +       ret = fdt_fixup_reserved_memory(blob, "display_reserved", &mem_start, &mem_size);

Odd that this uses underscore...normally bindings use hyphen.

>         if (ret) {
>                 eprintf("Cannot setup simplefb: Error reserving memory\n");
>                 return;
> --
> 2.17.1
>

Regards,
Simon