| Message ID | 20220106181021.3760251-1-l.stach@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/etnaviv: relax submit size limits | expand |
Am Do., 6. Jan. 2022 um 19:10 Uhr schrieb Lucas Stach <l.stach@pengutronix.de>: > > 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>
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 43da5800bfa3..0dc07c3d72a2 100644 --- 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_device *dev, void *data, 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; }
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> --- drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)