From: Konrad Dybcio <konradybcio@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
Konrad Dybcio <konradybcio@kernel.org>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Bjorn Andersson <andersson@kernel.org>,
Jordan Crouse <jordan@cosmicpenguin.net>
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/msm: allow returning NULL from crete_address_space
Date: Mon, 9 Sep 2024 12:34:49 +0200 [thread overview]
Message-ID: <c77ab7a8-49aa-447b-b7ac-18dd5c2eeecb@kernel.org> (raw)
In-Reply-To: <20240908-adreno-fix-cpas-v1-1-57697a0d747f@linaro.org>
On 8.09.2024 7:59 PM, Dmitry Baryshkov wrote:
> Under some circumstance
Under what circumstances?
This branch is only taken if there's a .create_private_address_space
callback and it only seems to be there on a[67]xx.
a6xx_create_address_space returns:
- an ERR_PTR if msm_iommu_pagetable_create() fails
- retval of msm_gem_address_space_create() otherwise
- retval of msm_iommu_pagetable_create() is nullchecked here
again because we apparently we want to be double sure
- err_ptr(-enomem) is returned if allocating aspace fails
- otherwise aspace is allocated somewhere
Konrad
next prev parent reply other threads:[~2024-09-09 10:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-08 17:59 [PATCH] drm/msm: allow returning NULL from crete_address_space Dmitry Baryshkov
2024-09-09 8:18 ` Markus Elfring
2024-09-09 10:34 ` Konrad Dybcio [this message]
2024-09-09 11:25 ` Dmitry Baryshkov
2024-09-09 11:29 ` Konrad Dybcio
2024-09-09 11:52 ` Dmitry Baryshkov
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