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path: root/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
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Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c4
1 files changed, 3 insertions, 1 deletions
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 b88a2f3724e6..6c53ea560ffa 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -446,7 +446,9 @@ static void dpu_hw_ctl_setup_blendstage(struct dpu_hw_ctl *ctx,
* CTL_LAYER has 3-bit field (and extra bits in EXT register),
* all EXT registers has 4-bit fields.
*/
- if (cfg->idx == 0) {
+ if (cfg->idx == -1) {
+ continue;
+ } else if (cfg->idx == 0) {
mixercfg[0] |= mix << cfg->shift;
mixercfg[1] |= ext << cfg->ext_shift;
} else {