linux-kernel - [PATCH v5 07/18] drm/rockchip: vop2: Check linear format for Cluster windows on rk3566/8

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Message-ID: <20241209122943.2781431-11-andyshrk@163.com>
Date: Mon,  9 Dec 2024 20:29:20 +0800
From: Andy Yan <andyshrk@....com>
To: heiko@...ech.de
Cc: hjc@...k-chips.com,
	krzk+dt@...nel.org,
	s.hauer@...gutronix.de,
	devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	derek.foreman@...labora.com,
	detlev.casanova@...labora.com,
	Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH v5 07/18] drm/rockchip: vop2: Check linear format for Cluster windows on rk3566/8

From: Andy Yan <andy.yan@...k-chips.com>

The Cluster windows on rk3566/8 only support afbc mode.

Fixes: 604be85547ce ("drm/rockchip: Add VOP2 driver")
Signed-off-by: Andy Yan <andy.yan@...k-chips.com>

---

Changes in v5:
- Added in V5

 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index d7ddeec27c7d..bd8db45eeba6 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1165,6 +1165,7 @@ static int vop2_plane_atomic_check(struct drm_plane *plane,
 	struct vop2_video_port *vp;
 	struct vop2 *vop2;
 	const struct vop2_data *vop2_data;
+	struct vop2_win *win;
 	struct drm_rect *dest = &pstate->dst;
 	struct drm_rect *src = &pstate->src;
 	int min_scale = FRAC_16_16(1, 8);
@@ -1178,6 +1179,7 @@ static int vop2_plane_atomic_check(struct drm_plane *plane,
 	vp = to_vop2_video_port(crtc);
 	vop2 = vp->vop2;
 	vop2_data = vop2->data;
+	win = to_vop2_win(plane);
 
 	cstate = drm_atomic_get_existing_crtc_state(pstate->state, crtc);
 	if (WARN_ON(!cstate))
@@ -1215,6 +1217,16 @@ static int vop2_plane_atomic_check(struct drm_plane *plane,
 		return -EINVAL;
 	}
 
+	if (vop2->data->soc_id == 3568 || vop2->data->soc_id == 3566) {
+		if (vop2_cluster_window(win)) {
+			if (!rockchip_afbc(plane, fb->modifier)) {
+				drm_err(vop2->drm, "Unsupported linear format for %s\n", win->data->name);
+				return -EINVAL;
+			}
+		}
+
+	}
+
 	/*
 	 * Src.x1 can be odd when do clip, but yuv plane start point
 	 * need align with 2 pixel.
-- 
2.34.1