drm/i915/gvt: add functions to get default resolution

These functions will get default resolution according to vgpu type.

Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

drivers/gpu/drm/i915/gvt/display.h

@@ -146,18 +146,19 @@ enum intel_vgpu_port_type {
 	GVT_PORT_MAX
 };
 
+enum intel_vgpu_edid {
+	GVT_EDID_1024_768,
+	GVT_EDID_1920_1200,
+	GVT_EDID_NUM,
+};
+
 struct intel_vgpu_port {
 	/* per display EDID information */
 	struct intel_vgpu_edid_data *edid;
 	/* per display DPCD information */
 	struct intel_vgpu_dpcd_data *dpcd;
 	int type;
-};
-
-enum intel_vgpu_edid {
-	GVT_EDID_1024_768,
-	GVT_EDID_1920_1200,
-	GVT_EDID_NUM,
+	enum intel_vgpu_edid id;
 };
 
 static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
@@ -172,6 +173,30 @@ static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
 	}
 }
 
+static inline unsigned int vgpu_edid_xres(enum intel_vgpu_edid id)
+{
+	switch (id) {
+	case GVT_EDID_1024_768:
+		return 1024;
+	case GVT_EDID_1920_1200:
+		return 1920;
+	default:
+		return 0;
+	}
+}
+
+static inline unsigned int vgpu_edid_yres(enum intel_vgpu_edid id)
+{
+	switch (id) {
+	case GVT_EDID_1024_768:
+		return 768;
+	case GVT_EDID_1920_1200:
+		return 1200;
+	default:
+		return 0;
+	}
+}
+
 void intel_gvt_emulate_vblank(struct intel_gvt *gvt);
 void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt);