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

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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: Biju Das <biju.das.jz@bp.renesas.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: Laurent 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
This commit is contained in:
Biju Das
2025-04-04 14:30:45 +01:00
parent ecc2b7478b
commit e7bb7d44c3
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/gpu/drm/renesas/rz-du/rzg2l_du_vsp.c
+9
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@@ -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;