r600: update max threads per block for evergreen compute

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

diff --git a/src/gallium/drivers/r600/r600_pipe_common.c b/src/gallium/drivers/r600/r600_pipe_common.c
index d20d2f4bb043b0f635dd593e491f4d845063f459..e02c43f93b8cd823f3a90fde2f31b23f103cc23c 100644 (file)
--- 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;
 }