From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Akhil P Oommen <akhilpo@oss.qualcomm.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Sean Paul <sean@poorly.run>,
Konrad Dybcio <konradybcio@kernel.org>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Neil Armstrong <neil.armstrong@linaro.org>,
Ulf Hansson <ulfh@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Akisaira <akisaira@outlook.com>,
Vladyslav Tymoshchuk <tvlad744@gmail.com>,
Val Packett <val@packett.cool>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: Re: [PATCH v2 3/8] drm/msm: Keep DRM private data separate from GPU drvdata
Date: Mon, 2 Nov 2026 12:37:25 +0100 [thread overview]
Message-ID: <b967b192-b34c-4def-b7d7-35c0a21cddd2@oss.qualcomm.com> (raw)
In-Reply-To: <20261030-gmu-sync-state-fix-v2-3-89d3082d97af@oss.qualcomm.com>
On 10/30/26 6:09 PM, Akhil P Oommen wrote:
> In separate GPU/KMS mode, the GPU device is also the DRM component
> master. msm_drv_probe() stores priv in its drvdata, but msm_gpu_init()
> overwrites it with &gpu->adreno_smmu. So, it is better to avoid using
> drm priv data in the master's dev->drvdata.
>
> As an alternative, store priv in a devres entry of the drm master and
> retrieve it from there during component bind. Update all component
> drivers to use the new helpers.
>
> Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2026-11-02 11:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-30 17:09 [PATCH v2 0/8] drm/msm: Attach a driver to GMU Akhil P Oommen
2026-10-30 17:09 ` [PATCH v2 1/8] drm/msm/adreno: Fix invalid drvdata typecast in adreno_remove() Akhil P Oommen
2026-11-02 11:32 ` Konrad Dybcio
2026-10-30 17:09 ` [PATCH v2 2/8] drm/msm/adreno/a6xx: Mark cxpd device_link as stateless Akhil P Oommen
2026-11-02 11:33 ` Konrad Dybcio
2026-10-30 17:09 ` [PATCH v2 3/8] drm/msm: Keep DRM private data separate from GPU drvdata Akhil P Oommen
2026-11-02 11:37 ` Konrad Dybcio [this message]
2026-10-30 17:09 ` [PATCH v2 4/8] drm/msm/adreno: Simplify adreno_probe() Akhil P Oommen
2026-11-02 11:40 ` Konrad Dybcio
2026-10-30 17:09 ` [PATCH v2 5/8] drm/msm: Always use component model for standalone GPU Akhil P Oommen
2026-10-30 17:09 ` [PATCH v2 6/8] drm/msm: Attach a driver to the GMU Akhil P Oommen
2026-11-02 11:45 ` Konrad Dybcio
2026-10-30 17:09 ` [PATCH v2 7/8] drm/msm: Remove dead gpu_ops parameter from msm_drm_init/uninit Akhil P Oommen
2026-10-30 17:09 ` [PATCH v2 8/8] drm/msm: Consolidate msm_gpu_probe into msm_drv_probe Akhil P Oommen
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