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Date: Tue, 15 Nov 2022 01:29:46 +0530 From: Akhil P Oommen <quic_akhilpo@...cinc.com> To: Rob Clark <robdclark@...il.com>, <dri-devel@...ts.freedesktop.org> CC: <freedreno@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>, "Rob Clark" <robdclark@...omium.org>, Abhinav Kumar <quic_abhinavk@...cinc.com>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, Chia-I Wu <olvaffe@...il.com>, Konrad Dybcio <konrad.dybcio@...ainline.org>, "Douglas Anderson" <dianders@...omium.org>, open list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] drm/msm/a6xx: Fix speed-bin detection vs probe-defer On 11/15/2022 1:11 AM, Rob Clark wrote: > From: Rob Clark <robdclark@...omium.org> > > 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@...omium.org> > --- > 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", I just noticed and was going to send a similar fix. We should remove ". Some OPPs may not be supported by hardware" here. Reviewed-by: Akhil P Oommen <quic_akhilpo@...cinc.com> Btw, on msm-next-external-fixes + this fix, I still see boot up issue in herobrine due to drm_dev_alloc() failure with -ENOSPC error. -Akhil. > ret); > - goto done; > + return ret; > } > > supp_hw = fuse_to_supp_hw(dev, rev, speedbin);
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