From e08df8e9e55ab7c9def0bb28cd2d4c684f1d6d0f Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Thu, 30 Jun 2022 09:16:58 +0800
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Subject: [PATCH 73/74] backend-drm: Don't try to prepare non-cursor view in
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renderer-only mode
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It would fail out in the later check anyway.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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libweston/backend-drm/state-propose.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/libweston/backend-drm/state-propose.c b/libweston/backend-drm/state-propose.c
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index 48e6de2..961efc0 100644
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--- a/libweston/backend-drm/state-propose.c
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+++ b/libweston/backend-drm/state-propose.c
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@@ -695,6 +695,14 @@ dmabuf_feedback_maybe_update(struct drm_backend *b, struct weston_view *ev,
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return true;
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}
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+static struct weston_layer *
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+get_view_layer(struct weston_view *view)
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+{
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+ if (view->parent_view)
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+ return get_view_layer(view->parent_view);
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+ return view->layer_link.layer;
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+}
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+
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static struct drm_plane_state *
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drm_output_prepare_plane_view(struct drm_output_state *state,
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struct weston_view *ev,
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@@ -711,6 +719,7 @@ drm_output_prepare_plane_view(struct drm_output_state *state,
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struct drm_plane_zpos *p_zpos, *p_zpos_next;
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struct wl_list zpos_candidate_list;
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+ struct weston_layer *layer;
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struct weston_buffer *buffer;
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struct wl_shm_buffer *shmbuf;
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struct drm_fb *fb;
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@@ -721,6 +730,12 @@ drm_output_prepare_plane_view(struct drm_output_state *state,
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if (!weston_view_has_valid_buffer(ev))
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return ps;
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+ /* only allow cursor in renderer-only mode */
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+ layer = get_view_layer(ev);
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+ if (mode == DRM_OUTPUT_PROPOSE_STATE_RENDERER_ONLY &&
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+ layer->position != WESTON_LAYER_POSITION_CURSOR)
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+ return NULL;
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+
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buffer = ev->surface->buffer_ref.buffer;
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shmbuf = wl_shm_buffer_get(buffer->resource);
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fb = drm_fb_get_from_view(state, ev, try_view_on_plane_failure_reasons);
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--
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2.20.1
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