aboutsummaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers
diff options
context:
space:
mode:
authorAlyssa Rosenzweig <[email protected]>2020-07-14 17:08:54 -0400
committerMarge Bot <[email protected]>2020-07-16 19:59:43 +0000
commit9addb82148c487d6660aecea1af370c2d21d1788 (patch)
treef794fa86c389b1b3e78631edda30325d3f8e8c3b /src/gallium/drivers
parent77bb19eebd1d59c7fc48b41c0f356114f5eab2ef (diff)
panfrost: Avoid integer underflow in rt_count_1
If rt_count = 0, this underflows to MAX_MRT. The hw doesn't seem to care but it's semantically incorrect and confuses pandecode. Signed-off-by: Alyssa Rosenzweig <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5858>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/panfrost/pan_mfbd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/panfrost/pan_mfbd.c b/src/gallium/drivers/panfrost/pan_mfbd.c
index ac890b5c56f..7e9d8cb013a 100644
--- a/src/gallium/drivers/panfrost/pan_mfbd.c
+++ b/src/gallium/drivers/panfrost/pan_mfbd.c
@@ -482,7 +482,7 @@ panfrost_emit_mfbd(struct panfrost_batch *batch, unsigned vertex_count)
/* Seems to configure tib size */
.unk1 = pan_is_large_tib(batch) ? 0xc80 : 0x1080,
- .rt_count_1 = MALI_POSITIVE(batch->key.nr_cbufs),
+ .rt_count_1 = MALI_POSITIVE(MAX2(batch->key.nr_cbufs, 1)),
.rt_count_2 = 4,
};