From 156a43cc898601aa1de35dd46636a1dca913ea02 Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Wed, 16 Jan 2019 10:46:21 -0800 Subject: drm/msm: Fix A6XX support for opp-level [ Upstream commit a3c5e2cd79753121f49a8662c1e0a60ddb5486ca ] The bindings for Qualcomm opp levels changed after being Acked but before landing. Thus the code in the GPU driver that was relying on the old bindings is now broken. Let's change the code to match the new bindings by adjusting the old string 'qcom,level' to the new string 'opp-level'. See the patch ("dt-bindings: opp: Introduce opp-level bindings"). NOTE: we will do additional cleanup to totally remove the string from the code and use the new dev_pm_opp_get_level() but we'll do it in a future patch. This will facilitate getting the important code fix in sooner without having to deal with cross-maintainer dependencies. This patch needs to land before the patch ("arm64: dts: sdm845: Add gpu and gmu device nodes") since if a tree contains the device tree patch but not this one you'll get a crash at bootup. Fixes: 4b565ca5a2cb ("drm/msm: Add A6XX device support") Signed-off-by: Douglas Anderson Reviewed-by: Jordan Crouse Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gmu.c') diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index bbb8126ec5c5..9acb9dfaf57e 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -896,7 +896,7 @@ static u32 a6xx_gmu_get_arc_level(struct device *dev, unsigned long freq) np = dev_pm_opp_get_of_node(opp); if (np) { - of_property_read_u32(np, "qcom,level", &val); + of_property_read_u32(np, "opp-level", &val); of_node_put(np); } -- cgit v1.2.3