From b39fade67cc545262d54b98c95b686570a6c7ef8 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 7 Feb 2017 23:45:47 +0100 Subject: [PATCH] radeonsi/gfx9: pad shader binaries by 128 bytes MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Nicolai Hähnle --- src/gallium/drivers/radeonsi/si_shader.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 575dd6c380f..20d6bd732b2 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -5872,6 +5872,12 @@ int si_shader_binary_upload(struct si_screen *sscreen, struct si_shader *shader) assert((!prolog && !epilog) || !mainb->rodata_size); assert(!epilog || !epilog->rodata_size); + /* GFX9 can fetch at most 128 bytes past the end of the shader. + * Prevent VM faults. + */ + if (sscreen->b.chip_class >= GFX9) + bo_size += 128; + r600_resource_reference(&shader->bo, NULL); shader->bo = (struct r600_resource*) pipe_buffer_create(&sscreen->b.b, 0, -- 2.30.2