6.10-stable review patch. If anyone has any objections, please let me know.
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From: Barnabás Czémán trabarni@gmail.com
[ Upstream commit e42d518511871ae625b5ff699853a05af1ccccf7 ]
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@gmail.com Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Reviewed-by: Abhinav Kumar quic_abhinavk@quicinc.com Patchwork: https://patchwork.freedesktop.org/patch/596853/ Link: https://lore.kernel.org/r/20240509-irq_wait-v2-1-b8b687b22cc4@gmail.com Signed-off-by: Abhinav Kumar quic_abhinavk@quicinc.com Signed-off-by: Rob Clark robdclark@chromium.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 119f3ea50a7c6..cf7d769ab3b95 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;