From: Kalyan Thota <kalyan_t@xxxxxxxxxxxxxx>
[ Upstream commit 12aca1ce9ee33af3751aec5e55a5900747cbdd4b ]
Update the 3d merge as active in the data path only if
the hw block is selected in the configuration.
Reported-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Fixes: 73bfb790ac78 ("msm:disp:dpu1: setup display datapath for SC7180 target")
Signed-off-by: Kalyan Thota <kalyan_t@xxxxxxxxxxxxxx>
Message-Id: <1617364493-13518-1-git-send-email-kalyan_t@xxxxxxxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 8981cfa9dbc3..92e6f1b94738 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -496,7 +496,9 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
DPU_REG_WRITE(c, CTL_TOP, mode_sel);
DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
- DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE, BIT(cfg->merge_3d - MERGE_3D_0));
+ if (cfg->merge_3d)
+ DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
+ BIT(cfg->merge_3d - MERGE_3D_0));
}
static void dpu_hw_ctl_intf_cfg(struct dpu_hw_ctl *ctx,
--
2.30.2
