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    Subject[PATCH 5.15 031/171] drm/etnaviv: relax submit size limits
    Date
    From: Lucas Stach <l.stach@pengutronix.de>

    commit e3d26528e083e612314d4dcd713f3d5a26143ddc upstream.

    While all userspace tried to limit commandstreams to 64K in size,
    a bug in the Mesa driver lead to command streams of up to 128K
    being submitted. Allow those to avoid breaking existing userspace.

    Fixes: 6dfa2fab8ddd ("drm/etnaviv: limit submit sizes")
    Cc: stable@vger.kernel.org
    Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
    Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
    +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
    @@ -469,8 +469,8 @@ int etnaviv_ioctl_gem_submit(struct drm_
    return -EINVAL;
    }

    - if (args->stream_size > SZ_64K || args->nr_relocs > SZ_64K ||
    - args->nr_bos > SZ_64K || args->nr_pmrs > 128) {
    + if (args->stream_size > SZ_128K || args->nr_relocs > SZ_128K ||
    + args->nr_bos > SZ_128K || args->nr_pmrs > 128) {
    DRM_ERROR("submit arguments out of size limits\n");
    return -EINVAL;
    }

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