[PATCH v2 11/14] drm/msm/dpu: Share SSPP info for multi-rect case

From: Jun Nie
Date: Wed Oct 09 2024 - 04:54:47 EST


Share SSPP info for multi-rect case if virtual plane is not enabled.
Otherwise, the 2nd half of DMA content is not displayed due to sspp
pointer of r_pipe is null.

Signed-off-by: Jun Nie <jun.nie@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 904ebec1c8a18..898fc2937954e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1042,6 +1042,11 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
pipe->multirect_index = DPU_SSPP_RECT_0;
pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;

+ /*
+ * Signifies that r_pipe is to be used if the width of the 2nd
+ * pipe is not 0. This does not apply to virtual plane case.
+ */
+ r_pipe->sspp = pipe->sspp;
r_pipe->multirect_index = DPU_SSPP_RECT_1;
r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
}

--
2.34.1