drm/i915: Move HAS_LOGICAL_RING_CONTEXTS definition to platform

Moving all GPU features to the platform definition allows for
        - standard place when adding new features from new platforms
        - possible to see supported features when dumping struct
          definitions
Signed-off-by: NCarlos Santa <carlos.santa@intel.com>
Reviewed-by: NRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: NRodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/i915/i915_drv.h

@@ -663,6 +663,7 @@ struct intel_csr {
 	func(has_dp_mst) sep \
 	func(has_gmbus_irq) sep \
 	func(has_hw_contexts) sep \
+	func(has_logical_ring_contexts) sep \
 	func(has_pipe_cxsr) sep \
 	func(has_hotplug) sep \
 	func(cursor_needs_physical) sep \
@@ -2748,7 +2749,7 @@ struct drm_i915_cmd_table {
 #define I915_NEED_GFX_HWS(dev)	(INTEL_INFO(dev)->need_gfx_hws)
 
 #define HAS_HW_CONTEXTS(dev)	(INTEL_INFO(dev)->has_hw_contexts)
-#define HAS_LOGICAL_RING_CONTEXTS(dev)	(INTEL_INFO(dev)->gen >= 8)
+#define HAS_LOGICAL_RING_CONTEXTS(dev)	(INTEL_INFO(dev)->has_logical_ring_contexts)
 #define USES_PPGTT(dev)		(i915.enable_ppgtt)
 #define USES_FULL_PPGTT(dev)	(i915.enable_ppgtt >= 2)
 #define USES_FULL_48BIT_PPGTT(dev)	(i915.enable_ppgtt == 3)

drivers/gpu/drm/i915/i915_pci.c

@@ -272,7 +272,8 @@ static const struct intel_device_info intel_haswell_info = {
 
 #define BDW_FEATURES \
 	HSW_FEATURES, \
-	BDW_COLORS
+	BDW_COLORS, \
+	.has_logical_ring_contexts = 1
 
 static const struct intel_device_info intel_broadwell_info = {
 	BDW_FEATURES,
@@ -298,6 +299,7 @@ static const struct intel_device_info intel_cherryview_info = {
 	.has_rc6 = 1,
 	.has_gmbus_irq = 1,
 	.has_hw_contexts = 1,
+	.has_logical_ring_contexts = 1,
 	.display_mmio_offset = VLV_DISPLAY_BASE,
 	GEN_CHV_PIPEOFFSETS,
 	CURSOR_OFFSETS,
@@ -336,6 +338,7 @@ static const struct intel_device_info intel_broxton_info = {
 	.has_dp_mst = 1,
 	.has_gmbus_irq = 1,
 	.has_hw_contexts = 1,
+	.has_logical_ring_contexts = 1,
 	GEN_DEFAULT_PIPEOFFSETS,
 	IVB_CURSOR_OFFSETS,
 	BDW_COLORS,