1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c4b1a2b45bb4..bee101208195 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1454,6 +1454,27 @@
  */
 #define CCID                    0x2180
 #define   CCID_EN               (1<<0)
+#define CXT_SIZE                0x21a0
+#define GEN6_CXT_POWER_SIZE(cxt_reg)    ((cxt_reg >> 24) & 0x3f)
+#define GEN6_CXT_RING_SIZE(cxt_reg)     ((cxt_reg >> 18) & 0x3f)
+#define GEN6_CXT_RENDER_SIZE(cxt_reg)   ((cxt_reg >> 12) & 0x3f)
+#define GEN6_CXT_EXTENDED_SIZE(cxt_reg) ((cxt_reg >> 6) & 0x3f)
+#define GEN6_CXT_PIPELINE_SIZE(cxt_reg) ((cxt_reg >> 0) & 0x3f)
+#define GEN6_CXT_TOTAL_SIZE(cxt_reg)    (GEN6_CXT_POWER_SIZE(cxt_reg) + \
+                                        GEN6_CXT_RING_SIZE(cxt_reg) + \
+                                        GEN6_CXT_RENDER_SIZE(cxt_reg) + \
+                                        GEN6_CXT_EXTENDED_SIZE(cxt_reg) + \
+                                        GEN6_CXT_PIPELINE_SIZE(cxt_reg))
+#define GEN7_CTX_SIZE           0x21a8
+#define GEN7_CTX_RENDER_SIZE(ctx_reg)   ((ctx_reg >> 16) & 0x3f)
+#define GEN7_CTX_EXTENDED_SIZE(ctx_reg) ((ctx_reg >> 9) & 0x7f)
+#define GEN7_CTX_GT1_SIZE(ctx_reg)      ((ctx_reg >> 6) & 0x7)
+#define GEN7_CTX_VFSTATE_SIZE(ctx_reg)  ((ctx_reg >> 0) & 0x3f)
+#define GEN7_CTX_TOTAL_SIZE(ctx_reg)    (GEN7_CTX_RENDER_SIZE(ctx_reg) + \
+                                         GEN7_CTX_EXTENDED_SIZE(ctx_reg) + \
+                                         GEN7_CTX_GT1_SIZE(ctx_reg) + \
+                                         GEN7_CTX_VFSTATE_SIZE(ctx_reg))
+
 /*
  * Overlay regs
  */