x86: add early quirk for reserving Intel graphics stolen memory v5

[karo-tx-linux.git] / include / drm / i915_drm.h

diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 7276a72710e2be0d1cc2d9def975538e939378cb..3abfa6ea226edda57aed2b9efaf970dcae1d3c35 100644 (file)
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -36,4 +36,36 @@ extern bool i915_gpu_lower(void);
 extern bool i915_gpu_busy(void);
 extern bool i915_gpu_turbo_disable(void);
 
+/*
+ * The Bridge device's PCI config space has information about the
+ * fb aperture size and the amount of pre-reserved memory.
+ * This is all handled in the intel-gtt.ko module. i915.ko only
+ * cares about the vga bit for the vga rbiter.
+ */
+#define INTEL_GMCH_CTRL                0x52
+#define INTEL_GMCH_VGA_DISABLE  (1 << 1)
+#define SNB_GMCH_CTRL          0x50
+#define    SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */
+#define    SNB_GMCH_GGMS_MASK  0x3
+#define    SNB_GMCH_GMS_SHIFT   3 /* Graphics Mode Select */
+#define    SNB_GMCH_GMS_MASK    0x1f
+
+#define I830_GMCH_CTRL                 0x52
+
+#define I855_GMCH_GMS_MASK             0xF0
+#define I855_GMCH_GMS_STOLEN_0M                0x0
+#define I855_GMCH_GMS_STOLEN_1M                (0x1 << 4)
+#define I855_GMCH_GMS_STOLEN_4M                (0x2 << 4)
+#define I855_GMCH_GMS_STOLEN_8M                (0x3 << 4)
+#define I855_GMCH_GMS_STOLEN_16M       (0x4 << 4)
+#define I855_GMCH_GMS_STOLEN_32M       (0x5 << 4)
+#define I915_GMCH_GMS_STOLEN_48M       (0x6 << 4)
+#define I915_GMCH_GMS_STOLEN_64M       (0x7 << 4)
+#define G33_GMCH_GMS_STOLEN_128M       (0x8 << 4)
+#define G33_GMCH_GMS_STOLEN_256M       (0x9 << 4)
+#define INTEL_GMCH_GMS_STOLEN_96M      (0xa << 4)
+#define INTEL_GMCH_GMS_STOLEN_160M     (0xb << 4)
+#define INTEL_GMCH_GMS_STOLEN_224M     (0xc << 4)
+#define INTEL_GMCH_GMS_STOLEN_352M     (0xd << 4)
+
 #endif                         /* _I915_DRM_H_ */