drm/msm/gpu: Fix crash during system suspend after unbind

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In adreno_unbind, we should clean up gpu device's drvdata to avoid
accessing a stale pointer during system suspend. Also, check for NULL
ptr in both system suspend/resume callbacks.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/505075/
Link: https://lore.kernel.org/r/20220928124830.2.I5ee0ac073ccdeb81961e5ec0cce5f741a7207a71@changeid
Signed-off-by: Rob Clark <robdclark@chromium.org>

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Akhil P Oommen 2022-09-28 12:49:00 +05:30 • committed by Rob Clark

parent ec8f1813bf

commit 76efc2453d

3 changed files with 15 additions and 1 deletions

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10

drivers/gpu/drm/msm/adreno/adreno_device.c

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2

drivers/gpu/drm/msm/msm_gpu.c

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4

drivers/gpu/drm/msm/msm_gpu.h

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