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pan/bi: Fix NULL deref with empty shader 

Fixes regression in dEQP-GLES31.functional.compute.basic.empty

Fixes: d0902aa2d4 ("pan/bi: Pass through wait_{6, 7} flags")
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8848>
This commit is contained in:
Alyssa Rosenzweig 2021-02-03 14:11:44 -05:00 committed by Marge Bot
parent 855e29cd78
commit 836c1c6fb1
1 changed files with 1 additions and 1 deletions
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2
src/panfrost/bifrost/bifrost_compile.c
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@ -2406,7 +2406,7 @@ bifrost_compile_shader_nir(void *mem_ctx, nir_shader *nir,
pan_block *first_block = list_first_entry(&ctx->blocks, pan_block, link);
bi_clause *first_clause = bi_next_clause(ctx, first_block, NULL);
unsigned first_deps = first_clause->dependencies;
unsigned first_deps = first_clause ? first_clause->dependencies : 0;
program->wait_6 = (first_deps & (1 << 6));
program->wait_7 = (first_deps & (1 << 7));