Mesa (master): r600: update max threads per block for evergreen compute

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 5c78d000e60266fcee08c8c7f509913a49e68c56
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5c78d000e60266fcee08c8c7f509913a49e68c56

Author: Dave Airlie <airlied at redhat.com>
Date:   Fri Nov  3 11:23:55 2017 +1000

r600: update max threads per block for evergreen compute

Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/gallium/drivers/r600/r600_pipe_common.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_pipe_common.c b/src/gallium/drivers/r600/r600_pipe_common.c
index d20d2f4bb0..e02c43f93b 100644
--- a/src/gallium/drivers/r600/r600_pipe_common.c
+++ b/src/gallium/drivers/r600/r600_pipe_common.c
@@ -993,6 +993,10 @@ const char *r600_get_llvm_processor_name(enum radeon_family family)
 static unsigned get_max_threads_per_block(struct r600_common_screen *screen,
 					  enum pipe_shader_ir ir_type)
 {
+	if (ir_type != PIPE_SHADER_IR_TGSI)
+		return 256;
+	if (screen->chip_class >= EVERGREEN)
+		return 2048;
 	return 256;
 }