An active cursor plane requires a valid display mode. Change the commit_tail callback, so that it sets up the CRTC's mode before updating planes.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de --- drivers/gpu/drm/ast/ast_mode.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index fd0127f48fb9..834a156e3a75 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -1068,6 +1068,11 @@ static int ast_connector_init(struct drm_device *dev) * Mode config */
+static const struct drm_mode_config_helper_funcs +ast_mode_config_helper_funcs = { + .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, +}; + static const struct drm_mode_config_funcs ast_mode_config_funcs = { .fb_create = drm_gem_fb_create, .mode_valid = drm_vram_helper_mode_valid, @@ -1107,6 +1112,8 @@ int ast_mode_config_init(struct ast_private *ast) dev->mode_config.max_height = 1200; }
+ dev->mode_config.helper_private = &ast_mode_config_helper_funcs; + memset(&ast->primary_plane, 0, sizeof(ast->primary_plane)); ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01, &ast_primary_plane_funcs,