[PATCH] drm/msm: Transition console to msm framebuffer

[Rob Clark]

On Fri, Jun 28, 2019 at 9:28 AM Jeffrey Hugo <jeffrey.l.hugo at gmail.com> wrote:
>
> If booting a device using EFI, efifb will likely come up and claim the
> console.  When the msm display stack finally comes up, we want the
> console to move over to the msm fb, so add support to kick out any
> firmware based framebuffers to accomplish the console transition.
>
> Suggested-by: Rob Clark <robdclark at gmail.com>
> Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo at gmail.com>

lgtm,

Reviewed-by: Rob Clark <robdclark at gmail.com>


> ---
>  drivers/gpu/drm/msm/msm_fbdev.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c
> index 2429d5e6ce9f..e3836c7725a6 100644
> --- a/drivers/gpu/drm/msm/msm_fbdev.c
> +++ b/drivers/gpu/drm/msm/msm_fbdev.c
> @@ -169,6 +169,9 @@ struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev)
>         if (ret)
>                 goto fini;
>
> +       /* the fw fb could be anywhere in memory */
> +       drm_fb_helper_remove_conflicting_framebuffers(NULL, "msm", false);
> +
>         ret = drm_fb_helper_initial_config(helper, 32);
>         if (ret)
>                 goto fini;
> --
> 2.17.1
>