From d07c846546ea1d75fad8f295ad11ae1a14311732 Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Mon, 22 Jul 2019 08:34:26 -0700 Subject: [PATCH] pan/decode: Disable magic divisor debugging Memory corruption (for both legitimate and illegitimate reasons) causes this to hang pantrace. Signed-off-by: Alyssa Rosenzweig --- src/panfrost/pandecode/decode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/panfrost/pandecode/decode.c b/src/panfrost/pandecode/decode.c index 36ea4ca..fb48087 100644 --- a/src/panfrost/pandecode/decode.c +++ b/src/panfrost/pandecode/decode.c @@ -937,6 +937,7 @@ pandecode_padded_vertices(unsigned shift, unsigned k) static void pandecode_magic_divisor(uint32_t magic, unsigned shift, unsigned orig_divisor, unsigned extra) { +#if 0 /* Compute the modular inverse of `magic` with respect to 2^(32 - * shift) the most lame way possible... just repeatedly add. * Asymptoptically slow but nobody cares in practice, unless you have @@ -972,6 +973,7 @@ pandecode_magic_divisor(uint32_t magic, unsigned shift, unsigned orig_divisor, u unsigned padded_num_vertices = inverse / orig_divisor; pandecode_msg("padded_num_vertices = %d\n", padded_num_vertices); +#endif } static void -- 2.7.4