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charset="utf-8" Add drm_panic module for hyperv drm so that panic screen can be displayed on panic. Signed-off-by: Ryosuke Yasuoka Reviewed-by: Jocelyn Falempe --- drivers/gpu/drm/hyperv/hyperv_drm_modeset.c | 36 +++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c b/drivers/gpu/drm/= hyperv/hyperv_drm_modeset.c index f7d2e973f79e..945b9482bcb3 100644 --- a/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c +++ b/drivers/gpu/drm/hyperv/hyperv_drm_modeset.c @@ -17,6 +17,7 @@ #include #include #include +#include #include =20 #include "hyperv_drm.h" @@ -181,10 +182,45 @@ static void hyperv_plane_atomic_update(struct drm_pla= ne *plane, } } =20 +static int hyperv_plane_get_scanout_buffer(struct drm_plane *plane, + struct drm_scanout_buffer *sb) +{ + struct hyperv_drm_device *hv =3D to_hv(plane->dev); + struct iosys_map map =3D IOSYS_MAP_INIT_VADDR_IOMEM(hv->vram); + + if (plane->state && plane->state->fb) { + sb->format =3D plane->state->fb->format; + sb->width =3D plane->state->fb->width; + sb->height =3D plane->state->fb->height; + sb->pitch[0] =3D plane->state->fb->pitches[0]; + sb->map[0] =3D map; + return 0; + } + return -ENODEV; +} + +static void hyperv_plane_panic_flush(struct drm_plane *plane) +{ + struct hyperv_drm_device *hv =3D to_hv(plane->dev); + struct drm_rect rect; + + if (!plane->state || !plane->state->fb) + return; + + rect.x1 =3D 0; + rect.y1 =3D 0; + rect.x2 =3D plane->state->fb->width; + rect.y2 =3D plane->state->fb->height; + + hyperv_update_dirt(hv->hdev, &rect); +} + static const struct drm_plane_helper_funcs hyperv_plane_helper_funcs =3D { DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, .atomic_check =3D hyperv_plane_atomic_check, .atomic_update =3D hyperv_plane_atomic_update, + .get_scanout_buffer =3D hyperv_plane_get_scanout_buffer, + .panic_flush =3D hyperv_plane_panic_flush, }; =20 static const struct drm_plane_funcs hyperv_plane_funcs =3D { --=20 2.49.0