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(parent: a691512) | patch
drm/msm/gpu: make ringbuffer readonly
authorRob Clark <robdclark@chromium.org>
Mon, 17 Aug 2020 16:23:09 +0000 (09:23 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Sep 2020 11:55:46 +0000 (13:55 +0200)
commit10cb6c2e406d46421f3bd6c7621083e6bca59aea
tree911602abf562e69aaef438c1d742ab83c3e704c2tree
parenta6915129ae9769a58415c6dcdf6db9650d170cd5commit | diff
drm/msm/gpu: make ringbuffer readonly

[ Upstream commit 352c83fb39cae3eff95a8e1ed23006291abb6196 ]

The GPU has no business writing into the ringbuffer, let's make it
readonly to the GPU.

Fixes: 7198e6b03155 ("drm/msm: add a3xx gpu support")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/msm/msm_ringbuffer.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)