From 8ae5bfb0d96eda4699463f21bcb4947a8d4dcde0 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 27 May 2024 15:34:48 +0200
Subject: [PATCH] drm: renesas: shmobile: Add drm_panic support
Add support for the drm_panic module, which displays 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/292638fde9aef8b00e984245f43dc02a818cf322.1716816827.git.geert+renesas@glider.be
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
index 07ad17d24294d..9d166ab2af8bd 100644
--- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
+++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
@@ -273,6 +273,13 @@ static const struct drm_plane_helper_funcs shmob_drm_plane_helper_funcs = {
.atomic_disable = shmob_drm_plane_atomic_disable,
};
+static const struct drm_plane_helper_funcs shmob_drm_primary_plane_helper_funcs = {
+ .atomic_check = shmob_drm_plane_atomic_check,
+ .atomic_update = shmob_drm_plane_atomic_update,
+ .atomic_disable = shmob_drm_plane_atomic_disable,
+ .get_scanout_buffer = drm_fb_dma_get_scanout_buffer,
+};
+
static const struct drm_plane_funcs shmob_drm_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@@ -310,7 +317,12 @@ struct drm_plane *shmob_drm_plane_create(struct shmob_drm_device *sdev,
splane->index = index;
- drm_plane_helper_add(&splane->base, &shmob_drm_plane_helper_funcs);
+ if (type == DRM_PLANE_TYPE_PRIMARY)
+ drm_plane_helper_add(&splane->base,
+ &shmob_drm_primary_plane_helper_funcs);
+ else
+ drm_plane_helper_add(&splane->base,
+ &shmob_drm_plane_helper_funcs);
return &splane->base;
}
--
GitLab