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

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
2018-03-26 17:13:31 -04:00 · 2018-03-26 17:13:31 -04:00 · 3fea237c85
parent 3045c5f274
commit 3fea237c85
1 changed files with 5 additions and 0 deletions
--- 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.