drm/i915/mtl: Add MeteorLake platform info

MTL has Xe_LPD+ display IP (version = 14), MTL graphics IP
(version = 12.70), and Xe_LPM+ media IP (version = 13).

Bspec: 55413
Bspec: 55416
Bspec: 55417
Bspec: 55418
Bspec: 55726
Bspec: 45544
Bspec: 65380

v2: rearrange the fields in pci_info(MattR)

Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
[mattrope: Moved IS_METEORLAKE() higher in header]
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708000335.2869311-2-radhakrishna.sripada@intel.com

drivers/gpu/drm/i915/i915_drv.h

@@ -1069,6 +1069,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_XEHPSDV(dev_priv) IS_PLATFORM(dev_priv, INTEL_XEHPSDV)
 #define IS_DG2(dev_priv)	IS_PLATFORM(dev_priv, INTEL_DG2)
 #define IS_PONTEVECCHIO(dev_priv) IS_PLATFORM(dev_priv, INTEL_PONTEVECCHIO)
+#define IS_METEORLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_METEORLAKE)
 
 #define IS_DG2_G10(dev_priv) \
 	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G10)

drivers/gpu/drm/i915/i915_pci.c

@@ -1111,6 +1111,31 @@ static const struct intel_device_info pvc_info = {
 	.require_force_probe = 1,
 };
 
+#define XE_LPDP_FEATURES	\
+	XE_LPD_FEATURES,	\
+	.display.ver = 14,	\
+	.display.has_cdclk_crawl = 1
+
+__maybe_unused
+static const struct intel_device_info mtl_info = {
+	XE_HP_FEATURES,
+	XE_LPDP_FEATURES,
+	/*
+	 * Real graphics IP version will be obtained from hardware GMD_ID
+	 * register.  Value provided here is just for sanity checking.
+	 */
+	.graphics.ver = 12,
+	.graphics.rel = 70,
+	.media.ver = 13,
+	PLATFORM(INTEL_METEORLAKE),
+	.display.has_modular_fia = 1,
+	.has_flat_ccs = 0,
+	.has_snoop = 1,
+	.memory_regions = REGION_SMEM | REGION_STOLEN_LMEM,
+	.platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(CCS0),
+	.require_force_probe = 1,
+};
+
 #undef PLATFORM
 
 /*

drivers/gpu/drm/i915/intel_device_info.c

@@ -73,6 +73,7 @@ static const char * const platform_names[] = {
 	PLATFORM_NAME(XEHPSDV),
 	PLATFORM_NAME(DG2),
 	PLATFORM_NAME(PONTEVECCHIO),
+	PLATFORM_NAME(METEORLAKE),
 };
 #undef PLATFORM_NAME
 

drivers/gpu/drm/i915/intel_device_info.h

@@ -89,6 +89,7 @@ enum intel_platform {
 	INTEL_XEHPSDV,
 	INTEL_DG2,
 	INTEL_PONTEVECCHIO,
+	INTEL_METEORLAKE,
 	INTEL_MAX_PLATFORMS
 };