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drm: renesas: rcar-du: Add drm_panic support for non-vsp

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Add support for the drm_panic module for DU variants not using the
VSP-compositor, to display a message on the screen when a kernel panic
occurs.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Acked-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Link: https://patchwork.freedesktop.org/patch/msgid/b633568d2e3f405b21debdd60854fe39780254d6.1716816897.git.geert+renesas@glider.be
Signed-off-by: Maxime Ripard <mripard@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2024-05-27 15:35:49 +02:00 committed by Maxime Ripard
parent 8ae5bfb0d9
commit b558053fcf
No known key found for this signature in database
GPG Key ID: 275FCE19A23DBE76
1 changed files with 12 additions and 2 deletions
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14
drivers/gpu/drm/renesas/rcar-du/rcar_du_plane.c
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@ -680,6 +680,12 @@ static const struct drm_plane_helper_funcs rcar_du_plane_helper_funcs = {
.atomic_update = rcar_du_plane_atomic_update,
};
static const struct drm_plane_helper_funcs rcar_du_primary_plane_helper_funcs = {
.atomic_check = rcar_du_plane_atomic_check,
.atomic_update = rcar_du_plane_atomic_update,
.get_scanout_buffer = drm_fb_dma_get_scanout_buffer,
};
static struct drm_plane_state *
rcar_du_plane_atomic_duplicate_state(struct drm_plane *plane)
{
@ -812,8 +818,12 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp)
if (ret < 0)
return ret;
drm_plane_helper_add(&plane->plane,
&rcar_du_plane_helper_funcs);
if (type == DRM_PLANE_TYPE_PRIMARY)
drm_plane_helper_add(&plane->plane,
&rcar_du_primary_plane_helper_funcs);
else
drm_plane_helper_add(&plane->plane,
&rcar_du_plane_helper_funcs);
drm_plane_create_alpha_property(&plane->plane);