drm/i915 Move HAS_CSR definition to platform definition

Moving all GPU features to the platform struct definition allows for
        - standard place when adding new features from new platforms
        - possible to see supported features when dumping struct
          definitions

Signed-off-by: Carlos Santa <carlos.santa@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0978f17..44e1811 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -656,6 +656,7 @@
 	func(has_fbc) sep \
 	func(has_psr) sep \
 	func(has_runtime_pm) sep \
+	func(has_csr) sep \
 	func(has_pipe_cxsr) sep \
 	func(has_hotplug) sep \
 	func(cursor_needs_physical) sep \
@@ -2791,7 +2792,7 @@
 #define HAS_RC6(dev)		(INTEL_INFO(dev)->gen >= 6)
 #define HAS_RC6p(dev)		(IS_GEN6(dev) || IS_IVYBRIDGE(dev))
 
-#define HAS_CSR(dev)	(IS_GEN9(dev))
+#define HAS_CSR(dev)	(INTEL_INFO(dev)->has_csr)
 
 /*
  * For now, anything with a GuC requires uCode loading, and then supports