Module: Mesa Branch: master Commit: 9addb82148c487d6660aecea1af370c2d21d1788 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9addb82148c487d6660aecea1af370c2d21d1788
Author: Alyssa Rosenzweig <[email protected]> Date: Tue Jul 14 17:08:54 2020 -0400 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> --- src/gallium/drivers/panfrost/pan_mfbd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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, }; _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
