[PATCH 17/17] drm/msm/dpu: switch into using virtual planes

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Thu Jun 24 14:57:33 UTC 2021


This is a compile time #if for now, to be converted into proper module
parameter (or dropped if there is no more need for that).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 66a1c8889cf3..08b47609a315 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -611,6 +611,7 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 	for (i = 0; i < catalog->sspp_count; i++) {
 		enum drm_plane_type type;
 
+#if 0
 		if ((catalog->sspp[i].features & BIT(DPU_SSPP_CURSOR))
 			&& cursor_planes_idx < max_crtc_count)
 			type = DRM_PLANE_TYPE_CURSOR;
@@ -625,6 +626,19 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 
 		plane = dpu_plane_init(dev, catalog->sspp[i].id, type,
 				       (1UL << max_crtc_count) - 1);
+#else
+		if (primary_planes_idx < max_crtc_count)
+			type = DRM_PLANE_TYPE_PRIMARY;
+		else if (cursor_planes_idx < max_crtc_count)
+			type = DRM_PLANE_TYPE_CURSOR;
+		else
+			type = DRM_PLANE_TYPE_OVERLAY;
+
+		DPU_DEBUG("Create virtual plane type %d \n", type);
+
+		plane = dpu_plane_init(dev, SSPP_NONE, type,
+				       (1UL << max_crtc_count) - 1);
+#endif
 		if (IS_ERR(plane)) {
 			DPU_ERROR("dpu_plane_init failed\n");
 			ret = PTR_ERR(plane);
-- 
2.30.2



More information about the dri-devel mailing list