diff mbox series

[v3,10/12] drm/msm/dpu: create additional virtual planes

Message ID 20230914050706.1058620-11-dmitry.baryshkov@linaro.org
State New
Headers show
Series drm/msm/dpu: support virtual wide planes | expand

Commit Message

Dmitry Baryshkov Sept. 14, 2023, 5:07 a.m. UTC 
Since we have enabled sharing of SSPP blocks between two planes, it is
now possible to use twice as much planes as there are hardware SSPP
blocks. Create additional overlay planes.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 5106abe366a3..a6cd1346b298 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -792,6 +792,18 @@  static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 			primary_planes[primary_planes_idx++] = plane;
 	}
 
+	if (dpu_use_virtual_planes) {
+		for (i = 0; i < catalog->sspp_count; i++) {
+			plane = dpu_plane_init_virtual(dev, DRM_PLANE_TYPE_OVERLAY,
+						       (1UL << max_crtc_count) - 1);
+			if (IS_ERR(plane)) {
+				DPU_ERROR("dpu_plane_init failed\n");
+				ret = PTR_ERR(plane);
+				return ret;
+			}
+		}
+	}
+
 	max_crtc_count = min(max_crtc_count, primary_planes_idx);
 
 	/* Create one CRTC per encoder */