drm/msm: Add debugfs to disable hw err handling

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Add a debugfs interface to ignore hw error irqs, in order to force
fallback to sw hangcheck mechanism.  Because the hw error detection is
pretty good on newer gens, we need this for igt tests to test the sw
hang detection.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Akhil P Oommen <akhilpo@codeaurora.org>
Link: https://lore.kernel.org/r/20211109181117.591148-6-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>

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This commit is contained in:

Rob Clark 2021-11-09 10:11:05 -08:00

parent 5f3aee4ceb

commit 5edf2750d9

4 changed files with 22 additions and 0 deletions

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6

drivers/gpu/drm/msm/adreno/a5xx_gpu.c

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4

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

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3

drivers/gpu/drm/msm/msm_debugfs.c

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9

drivers/gpu/drm/msm/msm_drv.h

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