On Tue, Jul 07, 2015 at 09:08:13AM +0200, Maarten Lankhorst wrote:
> This allows the first atomic call during hw init to be a real modeset,
> which is useful for forcing a recalculation.
fbcon is optional, you can't rely on anything being done in any specific
way. What exactly do you need this for, what's the implications?
-Daniel
>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_fb_helper.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index cac422916c7a..33b5e4ecaf46 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -322,10 +322,12 @@ static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper)
> drm_warn_on_modeset_not_all_locked(dev);
>
> list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
> - if (plane->type != DRM_PLANE_TYPE_PRIMARY)
> + if (plane->type != DRM_PLANE_TYPE_PRIMARY &&
> + (!plane->state || plane->state->fb))
> drm_plane_force_disable(plane);
>
> - if (dev->mode_config.rotation_property) {
> + if (dev->mode_config.rotation_property &&
> + (!plane->state || plane->state->rotation != BIT(DRM_ROTATE_0))) {
> drm_mode_plane_set_obj_prop(plane,
> dev->mode_config.rotation_property,
> BIT(DRM_ROTATE_0));
> --
> 2.1.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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