From: Marek Olšák Date: Tue, 7 Feb 2017 22:45:47 +0000 (+0100) Subject: radeonsi/gfx9: pad shader binaries by 128 bytes X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b39fade67cc545262d54b98c95b686570a6c7ef8;p=mesa.git radeonsi/gfx9: pad shader binaries by 128 bytes Reviewed-by: Nicolai Hähnle --- 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,