From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johan Jonker Date: Wed, 09 Sep 2026 23:20:54 +0200 Subject: [PATCH v2] drm: rockchip: add drm_plane_create_blend_mode_property MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260909-blend-v2-1-37e27af4faee@gmail.com> X-B4-Tracking: v=1; b=H4sIALXNoWoC/x2NywqEMAwAf0Vy3kIpixh/RTz0ETWgVZJlEYr/b vU4zMAUUBImhb4pIPRn5T1XcJ8G4uLzTIZTZXDWtRYtmrBSTiZ2mFzEqcXuC7UNXskE8TkuT71 5/ZE84hCa+HwHw3hdNwJAikJwAAAA To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Johan Jonker X-Mailer: b4 0.12.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788988866; l=1304; i=jbx6244@gmail.com; s=20260824; h=from:subject:message-id; bh=Vv2dAdwZrZngpYkZZtAtqUthy17ncXSrnl8lfyqCNow=; b=7Y4+ehZW3Pl8LcRBNO/umDaR4t+TQniFaUIL8IMw+k7AXa7gOy7ImS/oeZzJ6Q0zkM5k63iLE CSUZaUjRPkDC43hP0rkLVd0w6yVkois1LwGyvp87PxSPBGhVEUwn16D X-Developer-Key: i=jbx6244@gmail.com; a=ed25519; pk=MK5Flx1ndjAF0uwXdNm8VvvoghD4KWCNd2hQE8QGyl0= X-Endpoint-Received: by B4 Relay for jbx6244@gmail.com/20260824 with auth_id=971 List-Id: B4 Relay Submissions A validate_blend_mode_for_alpha_formats() function was added that fills the kernel log with warnings for Rockchip VOP version 1 SoCs. Add a drm_plane_create_blend_mode_property() function as fix. VOP version 1 doesn't support blending with a pixel alpha background layer, only with a constant alpha. Advertise blending capability with DRM_MODE_BLEND_PIXEL_NONE. Signed-off-by: Johan Jonker --- Changed V2: Add comment line --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 0090d8ff0c79..0bc5b606f021 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1850,6 +1850,8 @@ static void vop_plane_add_properties(struct drm_plane *plane, if (flags) drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, DRM_MODE_ROTATE_0 | flags); + drm_plane_create_blend_mode_property(plane, + BIT(DRM_MODE_BLEND_PIXEL_NONE)); } static int vop_create_crtc(struct vop *vop) --- base-commit: 9d80aa4617b32f5054c5aa471d06b66704854935 change-id: 20260909-blend-c89d2c9f6984 Best regards, -- Johan Jonker