From e9df7619014db4c14aad586e7a164be7cf3c8eaa Mon Sep 17 00:00:00 2001
From: Lucas Stach <l.stach@pengutronix.de>
Date: Thu, 6 Jan 2022 19:10:21 +0100
Subject: drm/etnaviv: relax submit size limits
Git-commit: e3d26528e083e612314d4dcd713f3d5a26143ddc
Patch-mainline: v5.17-rc2
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index b03c20c14ca1..a17313282e8b 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;
}
--
2.38.1