Commit e7bb7d44 authored by Biju Das's avatar Biju Das
Browse files

drm: renesas: Add zpos, alpha and blend properties to RZ/G2L DU 



Add support for zpos, alpha and blend properties to RZ/G2L DU
driver as the IP supports all these properties.

It is tested by the below modetest commands:

modetest -M rzg2l-du -s 44@42:1920x1080@AR24 -d -P \
37@42:512x300+200+200@XR15

modetest -M rzg2l-du -w {32,37}:alpha:{0,65535}
modetest -M rzg2l-du -w {32,37}:zpos:{0,1}

Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Tested-by: default avatarTommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> #On RZ/V2H
Link: https://lore.kernel.org/r/20250404133047.172080-1-biju.das.jz@bp.renesas.com
parent ecc2b747

drivers/gpu/drm/renesas/rz-du/rzg2l_du_vsp.c

+9 −0
Original line number Diff line number Diff line
@@ -340,6 +340,15 @@ int rzg2l_du_vsp_init(struct rzg2l_du_vsp *vsp, struct device_node *np, 


		drm_plane_helper_add(&plane->plane,

				     &rzg2l_du_vsp_plane_helper_funcs);



		drm_plane_create_alpha_property(&plane->plane);

		drm_plane_create_zpos_property(&plane->plane, i, 0,

					       num_planes - 1);



		drm_plane_create_blend_mode_property(&plane->plane,

					BIT(DRM_MODE_BLEND_PIXEL_NONE) |

					BIT(DRM_MODE_BLEND_PREMULTI) |

					BIT(DRM_MODE_BLEND_COVERAGE));

	}



	return 0;