[PATCH 11/11] drm/msm/dpu: do not use mixer that supports dspp when not required

From: Arnaud Vrac
Date: Wed Apr 19 2023 - 10:42:46 EST


This avoids using lm blocks that support DSPP when not needed, to
keep those resources available.

Signed-off-by: Arnaud Vrac <avrac@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index f4dda88a73f7d..4b393d46c743f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -362,7 +362,7 @@ static bool _dpu_rm_check_lm_and_get_connected_blks(struct dpu_rm *rm,
*pp_idx = idx;

if (!reqs->topology.num_dspp)
- return true;
+ return !lm_cfg->dspp;

idx = lm_cfg->dspp - DSPP_0;
if (idx < 0 || idx >= ARRAY_SIZE(rm->dspp_blks)) {

--
2.40.0