Thread (4 messages) flat view 4 messages, 1 author, 2021-05-20
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[PATCH v2 3/3] drm: xlnx: zynqmp_dpsub: Expose plane ordering to userspace

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2021-05-20 12:22:07
Also in: dri-devel
Subsystem: drm drivers, drm drivers and misc gpu patches, drm drivers for xilinx, the rest · Maintainers: David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Laurent Pinchart, Tomi Valkeinen, Linus Torvalds

While the DPSUB has a fixed plane order, it still makes sense to expose
it to userspace to avoid hardcoding assumptions. Do so by adding an
immutable zpos property to planes.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/gpu/drm/xlnx/zynqmp_disp.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index d87af7cb3340..e377974f8198 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -1252,6 +1252,7 @@ static int zynqmp_disp_create_planes(struct zynqmp_disp *disp)
 		drm_plane_helper_add(&layer->plane,
 				     &zynqmp_disp_plane_helper_funcs);
 
+		drm_plane_create_zpos_immutable_property(&layer->plane, i);
 		if (zynqmp_disp_layer_is_gfx(layer))
 			drm_plane_create_alpha_property(&layer->plane);
 	}
-- 
Regards,

Laurent Pinchart


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