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drm: renesas: shmobile: Add drm_panic support

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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>
This commit is contained in:
Geert Uytterhoeven
2024-05-27 15:34:48 +02:00
committed by Maxime Ripard
parent b37918090b
commit 8ae5bfb0d9
1 changed files with 13 additions and 1 deletions
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14
drivers/gpu/drm/renesas/shmobile/shmob_drm_plane.c
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@@ -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;
}