On Monday 09 July 2018 11:01 PM, Sean Paul wrote:
From: Rajesh Yadav ryadav@codeaurora.org
postdiv_lock spinlock was used before initialization for 10nm pll. It causes following spin_bug: "BUG: spinlock bad magic on CPU#0". Initialize spinlock before its usage.
Reviewed-by: Archit Taneja architt@codeaurora.org
Signed-off-by: Rajesh Yadav ryadav@codeaurora.org Signed-off-by: Sean Paul seanpaul@chromium.org
drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c index c4c37a7df637..4c03f0b7343e 100644 --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c @@ -798,6 +798,8 @@ struct msm_dsi_pll *msm_dsi_pll_10nm_init(struct platform_device *pdev, int id) return ERR_PTR(-ENOMEM); }
- spin_lock_init(&pll_10nm->postdiv_lock);
- pll = &pll_10nm->base; pll->min_rate = 1000000000UL; pll->max_rate = 3500000000UL;