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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241009-sm8650-v6-11-hmd-pocf-mdss-quad-upstream-21-v2-11-76d4f5d413bf@linaro.org>
Date: Wed, 09 Oct 2024 16:50:24 +0800
From: Jun Nie <jun.nie@...aro.org>
To: Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Jun Nie <jun.nie@...aro.org>
Subject: [PATCH v2 11/14] drm/msm/dpu: Share SSPP info for multi-rect case

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@...aro.org>
---
 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