[PATCH] drm/msm/a6xx: Fix speed-bin detection vs probe-defer

From: Rob Clark
Date: Mon Nov 14 2022 - 14:41:17 EST


From: Rob Clark <robdclark@xxxxxxxxxxxx>

If we get an error (other than -ENOENT) we need to propagate that up the
stack. Otherwise if the nvmem driver hasn't probed yet, we'll end up with
whatever OPP(s) are represented by bit zero.

Fixed: fe7952c629da ("drm/msm: Add speed-bin support to a618 gpu")
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 7fe60c65a1eb..96de2202c86c 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1956,7 +1956,7 @@ static int a6xx_set_supported_hw(struct device *dev, struct adreno_rev rev)
DRM_DEV_ERROR(dev,
"failed to read speed-bin (%d). Some OPPs may not be supported by hardware",
ret);
- goto done;
+ return ret;
}

supp_hw = fuse_to_supp_hw(dev, rev, speedbin);
--
2.38.1