radeonsi: don't use the SPI barrier management bug workaround

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 8ae742c..00ebbb9 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -7971,6 +7971,11 @@ static bool si_shader_select_ps_parts(struct si_screen *sscreen,
 void si_multiwave_lds_size_workaround(struct si_screen *sscreen,
                                      unsigned *lds_size)
 {
+       /* If tessellation is all offchip and on-chip GS isn't used, this
+        * workaround is not needed.
+        */
+       return;
+
        /* SPI barrier management bug:
         *   Make sure we have at least 4k of LDS in use to avoid the bug.
         *   It applies to workgroup sizes of more than one wavefront.