radv: Add flag for enabling binning.

Letting it be disabled by default.

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

src/amd/vulkan/radv_debug.h

@@ -48,6 +48,7 @@ enum {
 	RADV_PERFTEST_NO_BATCHCHAIN  =   0x1,
 	RADV_PERFTEST_SISCHED        =   0x2,
 	RADV_PERFTEST_LOCAL_BOS      =   0x4,
+	RADV_PERFTEST_BINNING     =   0x8,
 };
 
 bool

src/amd/vulkan/radv_device.c

@@ -344,6 +344,7 @@ static const struct debug_control radv_perftest_options[] = {
 	{"nobatchchain", RADV_PERFTEST_NO_BATCHCHAIN},
 	{"sisched", RADV_PERFTEST_SISCHED},
 	{"localbos", RADV_PERFTEST_LOCAL_BOS},
+	{"binning", RADV_PERFTEST_BINNING},
 	{NULL, 0}
 };
 
@@ -1080,6 +1081,13 @@ VkResult radv_CreateDevice(
 		}
 	}
 
+	device->pbb_allowed = device->physical_device->rad_info.chip_class >= GFX9 &&
+	                      (device->instance->perftest_flags & RADV_PERFTEST_BINNING);
+
+	/* Disabled and not implemented for now. */
+	device->dfsm_allowed = device->pbb_allowed && false;
+
+
 #if HAVE_LLVM < 0x0400
 	device->llvm_supports_spill = false;
 #else