The irq_idx is unsigned so it cannot be lower than zero, better to change the condition to check if it is equal with zero. It could not cause any issue because a valid irq index starts from one. Fixes: 5a9d50150c2c ("drm/msm/dpu: shift IRQ indices by 1") Signed-off-by: Barnabás Czémán <trabarni@xxxxxxxxx> --- Changes in v2: - Add Fixes in commit message. - Link to v1: https://lore.kernel.org/r/20240509-irq_wait-v1-1-41d653e3784e@xxxxxxxxx --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 119f3ea50a7c..cf7d769ab3b9 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -428,7 +428,7 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc, return -EWOULDBLOCK; } - if (irq_idx < 0) { + if (irq_idx == 0) { DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n", DRMID(phys_enc->parent), func); return 0; --- base-commit: 704ba27ac55579704ba1289392448b0c66b56258 change-id: 20240509-irq_wait-49444cea77e2 Best regards, -- Barnabás Czémán <trabarni@xxxxxxxxx>