include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / intel_display.c
index 267adc6..e7e753b 100644 (file)
 #include <linux/input.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include "drmP.h"
 #include "intel_drv.h"
 #include "i915_drm.h"
 #include "i915_drv.h"
-#include "intel_dp.h"
+#include "drm_dp_helper.h"
 
 #include "drm_crtc_helper.h"
 
@@ -70,8 +71,6 @@ struct intel_limit {
     intel_p2_t     p2;
     bool (* find_pll)(const intel_limit_t *, struct drm_crtc *,
                      int, int, intel_clock_t *);
-    bool (* find_reduced_pll)(const intel_limit_t *, struct drm_crtc *,
-                             int, int, intel_clock_t *);
 };
 
 #define I8XX_DOT_MIN             25000
@@ -102,32 +101,32 @@ struct intel_limit {
 #define I9XX_DOT_MAX            400000
 #define I9XX_VCO_MIN           1400000
 #define I9XX_VCO_MAX           2800000
-#define IGD_VCO_MIN            1700000
-#define IGD_VCO_MAX            3500000
+#define PINEVIEW_VCO_MIN               1700000
+#define PINEVIEW_VCO_MAX               3500000
 #define I9XX_N_MIN                   1
 #define I9XX_N_MAX                   6
-/* IGD's Ncounter is a ring counter */
-#define IGD_N_MIN                    3
-#define IGD_N_MAX                    6
+/* Pineview's Ncounter is a ring counter */
+#define PINEVIEW_N_MIN               3
+#define PINEVIEW_N_MAX               6
 #define I9XX_M_MIN                  70
 #define I9XX_M_MAX                 120
-#define IGD_M_MIN                    2
-#define IGD_M_MAX                  256
+#define PINEVIEW_M_MIN               2
+#define PINEVIEW_M_MAX             256
 #define I9XX_M1_MIN                 10
 #define I9XX_M1_MAX                 22
 #define I9XX_M2_MIN                  5
 #define I9XX_M2_MAX                  9
-/* IGD M1 is reserved, and must be 0 */
-#define IGD_M1_MIN                   0
-#define IGD_M1_MAX                   0
-#define IGD_M2_MIN                   0
-#define IGD_M2_MAX                   254
+/* Pineview M1 is reserved, and must be 0 */
+#define PINEVIEW_M1_MIN                      0
+#define PINEVIEW_M1_MAX                      0
+#define PINEVIEW_M2_MIN                      0
+#define PINEVIEW_M2_MAX                      254
 #define I9XX_P_SDVO_DAC_MIN          5
 #define I9XX_P_SDVO_DAC_MAX         80
 #define I9XX_P_LVDS_MIN                      7
 #define I9XX_P_LVDS_MAX                     98
-#define IGD_P_LVDS_MIN               7
-#define IGD_P_LVDS_MAX              112
+#define PINEVIEW_P_LVDS_MIN                  7
+#define PINEVIEW_P_LVDS_MAX                 112
 #define I9XX_P1_MIN                  1
 #define I9XX_P1_MAX                  8
 #define I9XX_P2_SDVO_DAC_SLOW               10
@@ -234,53 +233,108 @@ struct intel_limit {
 #define G4X_P2_DISPLAY_PORT_FAST           10
 #define G4X_P2_DISPLAY_PORT_LIMIT          0
 
-/* IGDNG */
+/* Ironlake / Sandybridge */
 /* as we calculate clock using (register_value + 2) for
    N/M1/M2, so here the range value for them is (actual_value-2).
  */
-#define IGDNG_DOT_MIN         25000
-#define IGDNG_DOT_MAX         350000
-#define IGDNG_VCO_MIN         1760000
-#define IGDNG_VCO_MAX         3510000
-#define IGDNG_N_MIN           1
-#define IGDNG_N_MAX           5
-#define IGDNG_M_MIN           79
-#define IGDNG_M_MAX           118
-#define IGDNG_M1_MIN          12
-#define IGDNG_M1_MAX          23
-#define IGDNG_M2_MIN          5
-#define IGDNG_M2_MAX          9
-#define IGDNG_P_SDVO_DAC_MIN  5
-#define IGDNG_P_SDVO_DAC_MAX  80
-#define IGDNG_P_LVDS_MIN      28
-#define IGDNG_P_LVDS_MAX      112
-#define IGDNG_P1_MIN          1
-#define IGDNG_P1_MAX          8
-#define IGDNG_P2_SDVO_DAC_SLOW 10
-#define IGDNG_P2_SDVO_DAC_FAST 5
-#define IGDNG_P2_LVDS_SLOW    14 /* single channel */
-#define IGDNG_P2_LVDS_FAST    7  /* double channel */
-#define IGDNG_P2_DOT_LIMIT    225000 /* 225Mhz */
+#define IRONLAKE_DOT_MIN         25000
+#define IRONLAKE_DOT_MAX         350000
+#define IRONLAKE_VCO_MIN         1760000
+#define IRONLAKE_VCO_MAX         3510000
+#define IRONLAKE_M1_MIN          12
+#define IRONLAKE_M1_MAX          22
+#define IRONLAKE_M2_MIN          5
+#define IRONLAKE_M2_MAX          9
+#define IRONLAKE_P2_DOT_LIMIT    225000 /* 225Mhz */
+
+/* We have parameter ranges for different type of outputs. */
+
+/* DAC & HDMI Refclk 120Mhz */
+#define IRONLAKE_DAC_N_MIN     1
+#define IRONLAKE_DAC_N_MAX     5
+#define IRONLAKE_DAC_M_MIN     79
+#define IRONLAKE_DAC_M_MAX     127
+#define IRONLAKE_DAC_P_MIN     5
+#define IRONLAKE_DAC_P_MAX     80
+#define IRONLAKE_DAC_P1_MIN    1
+#define IRONLAKE_DAC_P1_MAX    8
+#define IRONLAKE_DAC_P2_SLOW   10
+#define IRONLAKE_DAC_P2_FAST   5
+
+/* LVDS single-channel 120Mhz refclk */
+#define IRONLAKE_LVDS_S_N_MIN  1
+#define IRONLAKE_LVDS_S_N_MAX  3
+#define IRONLAKE_LVDS_S_M_MIN  79
+#define IRONLAKE_LVDS_S_M_MAX  118
+#define IRONLAKE_LVDS_S_P_MIN  28
+#define IRONLAKE_LVDS_S_P_MAX  112
+#define IRONLAKE_LVDS_S_P1_MIN 2
+#define IRONLAKE_LVDS_S_P1_MAX 8
+#define IRONLAKE_LVDS_S_P2_SLOW        14
+#define IRONLAKE_LVDS_S_P2_FAST        14
+
+/* LVDS dual-channel 120Mhz refclk */
+#define IRONLAKE_LVDS_D_N_MIN  1
+#define IRONLAKE_LVDS_D_N_MAX  3
+#define IRONLAKE_LVDS_D_M_MIN  79
+#define IRONLAKE_LVDS_D_M_MAX  127
+#define IRONLAKE_LVDS_D_P_MIN  14
+#define IRONLAKE_LVDS_D_P_MAX  56
+#define IRONLAKE_LVDS_D_P1_MIN 2
+#define IRONLAKE_LVDS_D_P1_MAX 8
+#define IRONLAKE_LVDS_D_P2_SLOW        7
+#define IRONLAKE_LVDS_D_P2_FAST        7
+
+/* LVDS single-channel 100Mhz refclk */
+#define IRONLAKE_LVDS_S_SSC_N_MIN      1
+#define IRONLAKE_LVDS_S_SSC_N_MAX      2
+#define IRONLAKE_LVDS_S_SSC_M_MIN      79
+#define IRONLAKE_LVDS_S_SSC_M_MAX      126
+#define IRONLAKE_LVDS_S_SSC_P_MIN      28
+#define IRONLAKE_LVDS_S_SSC_P_MAX      112
+#define IRONLAKE_LVDS_S_SSC_P1_MIN     2
+#define IRONLAKE_LVDS_S_SSC_P1_MAX     8
+#define IRONLAKE_LVDS_S_SSC_P2_SLOW    14
+#define IRONLAKE_LVDS_S_SSC_P2_FAST    14
+
+/* LVDS dual-channel 100Mhz refclk */
+#define IRONLAKE_LVDS_D_SSC_N_MIN      1
+#define IRONLAKE_LVDS_D_SSC_N_MAX      3
+#define IRONLAKE_LVDS_D_SSC_M_MIN      79
+#define IRONLAKE_LVDS_D_SSC_M_MAX      126
+#define IRONLAKE_LVDS_D_SSC_P_MIN      14
+#define IRONLAKE_LVDS_D_SSC_P_MAX      42
+#define IRONLAKE_LVDS_D_SSC_P1_MIN     2
+#define IRONLAKE_LVDS_D_SSC_P1_MAX     6
+#define IRONLAKE_LVDS_D_SSC_P2_SLOW    7
+#define IRONLAKE_LVDS_D_SSC_P2_FAST    7
+
+/* DisplayPort */
+#define IRONLAKE_DP_N_MIN              1
+#define IRONLAKE_DP_N_MAX              2
+#define IRONLAKE_DP_M_MIN              81
+#define IRONLAKE_DP_M_MAX              90
+#define IRONLAKE_DP_P_MIN              10
+#define IRONLAKE_DP_P_MAX              20
+#define IRONLAKE_DP_P2_FAST            10
+#define IRONLAKE_DP_P2_SLOW            10
+#define IRONLAKE_DP_P2_LIMIT           0
+#define IRONLAKE_DP_P1_MIN             1
+#define IRONLAKE_DP_P1_MAX             2
 
 static bool
 intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                    int target, int refclk, intel_clock_t *best_clock);
 static bool
-intel_find_best_reduced_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                           int target, int refclk, intel_clock_t *best_clock);
-static bool
 intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                        int target, int refclk, intel_clock_t *best_clock);
-static bool
-intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                       int target, int refclk, intel_clock_t *best_clock);
 
 static bool
 intel_find_pll_g4x_dp(const intel_limit_t *, struct drm_crtc *crtc,
                      int target, int refclk, intel_clock_t *best_clock);
 static bool
-intel_find_pll_igdng_dp(const intel_limit_t *, struct drm_crtc *crtc,
-                     int target, int refclk, intel_clock_t *best_clock);
+intel_find_pll_ironlake_dp(const intel_limit_t *, struct drm_crtc *crtc,
+                          int target, int refclk, intel_clock_t *best_clock);
 
 static const intel_limit_t intel_limits_i8xx_dvo = {
         .dot = { .min = I8XX_DOT_MIN,          .max = I8XX_DOT_MAX },
@@ -294,7 +348,6 @@ static const intel_limit_t intel_limits_i8xx_dvo = {
        .p2  = { .dot_limit = I8XX_P2_SLOW_LIMIT,
                 .p2_slow = I8XX_P2_SLOW,       .p2_fast = I8XX_P2_FAST },
        .find_pll = intel_find_best_PLL,
-       .find_reduced_pll = intel_find_best_reduced_PLL,
 };
 
 static const intel_limit_t intel_limits_i8xx_lvds = {
@@ -309,7 +362,6 @@ static const intel_limit_t intel_limits_i8xx_lvds = {
        .p2  = { .dot_limit = I8XX_P2_SLOW_LIMIT,
                 .p2_slow = I8XX_P2_LVDS_SLOW,  .p2_fast = I8XX_P2_LVDS_FAST },
        .find_pll = intel_find_best_PLL,
-       .find_reduced_pll = intel_find_best_reduced_PLL,
 };
        
 static const intel_limit_t intel_limits_i9xx_sdvo = {
@@ -324,7 +376,6 @@ static const intel_limit_t intel_limits_i9xx_sdvo = {
        .p2  = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
                 .p2_slow = I9XX_P2_SDVO_DAC_SLOW,      .p2_fast = I9XX_P2_SDVO_DAC_FAST },
        .find_pll = intel_find_best_PLL,
-       .find_reduced_pll = intel_find_best_reduced_PLL,
 };
 
 static const intel_limit_t intel_limits_i9xx_lvds = {
@@ -342,7 +393,6 @@ static const intel_limit_t intel_limits_i9xx_lvds = {
        .p2  = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
                 .p2_slow = I9XX_P2_LVDS_SLOW,  .p2_fast = I9XX_P2_LVDS_FAST },
        .find_pll = intel_find_best_PLL,
-       .find_reduced_pll = intel_find_best_reduced_PLL,
 };
 
     /* below parameter and function is for G4X Chipset Family*/
@@ -360,7 +410,6 @@ static const intel_limit_t intel_limits_g4x_sdvo = {
                 .p2_fast = G4X_P2_SDVO_FAST
        },
        .find_pll = intel_g4x_find_best_PLL,
-       .find_reduced_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_hdmi = {
@@ -377,7 +426,6 @@ static const intel_limit_t intel_limits_g4x_hdmi = {
                 .p2_fast = G4X_P2_HDMI_DAC_FAST
        },
        .find_pll = intel_g4x_find_best_PLL,
-       .find_reduced_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
@@ -402,7 +450,6 @@ static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
                 .p2_fast = G4X_P2_SINGLE_CHANNEL_LVDS_FAST
        },
        .find_pll = intel_g4x_find_best_PLL,
-       .find_reduced_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
@@ -427,7 +474,6 @@ static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
                 .p2_fast = G4X_P2_DUAL_CHANNEL_LVDS_FAST
        },
        .find_pll = intel_g4x_find_best_PLL,
-       .find_reduced_pll = intel_g4x_find_best_PLL,
 };
 
 static const intel_limit_t intel_limits_g4x_display_port = {
@@ -453,74 +499,162 @@ static const intel_limit_t intel_limits_g4x_display_port = {
         .find_pll = intel_find_pll_g4x_dp,
 };
 
-static const intel_limit_t intel_limits_igd_sdvo = {
+static const intel_limit_t intel_limits_pineview_sdvo = {
         .dot = { .min = I9XX_DOT_MIN,          .max = I9XX_DOT_MAX},
-        .vco = { .min = IGD_VCO_MIN,           .max = IGD_VCO_MAX },
-        .n   = { .min = IGD_N_MIN,             .max = IGD_N_MAX },
-        .m   = { .min = IGD_M_MIN,             .max = IGD_M_MAX },
-        .m1  = { .min = IGD_M1_MIN,            .max = IGD_M1_MAX },
-        .m2  = { .min = IGD_M2_MIN,            .max = IGD_M2_MAX },
+        .vco = { .min = PINEVIEW_VCO_MIN,              .max = PINEVIEW_VCO_MAX },
+        .n   = { .min = PINEVIEW_N_MIN,                .max = PINEVIEW_N_MAX },
+        .m   = { .min = PINEVIEW_M_MIN,                .max = PINEVIEW_M_MAX },
+        .m1  = { .min = PINEVIEW_M1_MIN,               .max = PINEVIEW_M1_MAX },
+        .m2  = { .min = PINEVIEW_M2_MIN,               .max = PINEVIEW_M2_MAX },
         .p   = { .min = I9XX_P_SDVO_DAC_MIN,    .max = I9XX_P_SDVO_DAC_MAX },
         .p1  = { .min = I9XX_P1_MIN,           .max = I9XX_P1_MAX },
        .p2  = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
                 .p2_slow = I9XX_P2_SDVO_DAC_SLOW,      .p2_fast = I9XX_P2_SDVO_DAC_FAST },
        .find_pll = intel_find_best_PLL,
-       .find_reduced_pll = intel_find_best_reduced_PLL,
 };
 
-static const intel_limit_t intel_limits_igd_lvds = {
+static const intel_limit_t intel_limits_pineview_lvds = {
         .dot = { .min = I9XX_DOT_MIN,          .max = I9XX_DOT_MAX },
-        .vco = { .min = IGD_VCO_MIN,           .max = IGD_VCO_MAX },
-        .n   = { .min = IGD_N_MIN,             .max = IGD_N_MAX },
-        .m   = { .min = IGD_M_MIN,             .max = IGD_M_MAX },
-        .m1  = { .min = IGD_M1_MIN,            .max = IGD_M1_MAX },
-        .m2  = { .min = IGD_M2_MIN,            .max = IGD_M2_MAX },
-        .p   = { .min = IGD_P_LVDS_MIN,        .max = IGD_P_LVDS_MAX },
+        .vco = { .min = PINEVIEW_VCO_MIN,              .max = PINEVIEW_VCO_MAX },
+        .n   = { .min = PINEVIEW_N_MIN,                .max = PINEVIEW_N_MAX },
+        .m   = { .min = PINEVIEW_M_MIN,                .max = PINEVIEW_M_MAX },
+        .m1  = { .min = PINEVIEW_M1_MIN,               .max = PINEVIEW_M1_MAX },
+        .m2  = { .min = PINEVIEW_M2_MIN,               .max = PINEVIEW_M2_MAX },
+        .p   = { .min = PINEVIEW_P_LVDS_MIN,   .max = PINEVIEW_P_LVDS_MAX },
         .p1  = { .min = I9XX_P1_MIN,           .max = I9XX_P1_MAX },
-       /* IGD only supports single-channel mode. */
+       /* Pineview only supports single-channel mode. */
        .p2  = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
                 .p2_slow = I9XX_P2_LVDS_SLOW,  .p2_fast = I9XX_P2_LVDS_SLOW },
        .find_pll = intel_find_best_PLL,
-       .find_reduced_pll = intel_find_best_reduced_PLL,
 };
 
-static const intel_limit_t intel_limits_igdng_sdvo = {
-       .dot = { .min = IGDNG_DOT_MIN,          .max = IGDNG_DOT_MAX },
-       .vco = { .min = IGDNG_VCO_MIN,          .max = IGDNG_VCO_MAX },
-       .n   = { .min = IGDNG_N_MIN,            .max = IGDNG_N_MAX },
-       .m   = { .min = IGDNG_M_MIN,            .max = IGDNG_M_MAX },
-       .m1  = { .min = IGDNG_M1_MIN,           .max = IGDNG_M1_MAX },
-       .m2  = { .min = IGDNG_M2_MIN,           .max = IGDNG_M2_MAX },
-       .p   = { .min = IGDNG_P_SDVO_DAC_MIN,   .max = IGDNG_P_SDVO_DAC_MAX },
-       .p1  = { .min = IGDNG_P1_MIN,           .max = IGDNG_P1_MAX },
-       .p2  = { .dot_limit = IGDNG_P2_DOT_LIMIT,
-                .p2_slow = IGDNG_P2_SDVO_DAC_SLOW,
-                .p2_fast = IGDNG_P2_SDVO_DAC_FAST },
-       .find_pll = intel_igdng_find_best_PLL,
+static const intel_limit_t intel_limits_ironlake_dac = {
+       .dot = { .min = IRONLAKE_DOT_MIN,          .max = IRONLAKE_DOT_MAX },
+       .vco = { .min = IRONLAKE_VCO_MIN,          .max = IRONLAKE_VCO_MAX },
+       .n   = { .min = IRONLAKE_DAC_N_MIN,        .max = IRONLAKE_DAC_N_MAX },
+       .m   = { .min = IRONLAKE_DAC_M_MIN,        .max = IRONLAKE_DAC_M_MAX },
+       .m1  = { .min = IRONLAKE_M1_MIN,           .max = IRONLAKE_M1_MAX },
+       .m2  = { .min = IRONLAKE_M2_MIN,           .max = IRONLAKE_M2_MAX },
+       .p   = { .min = IRONLAKE_DAC_P_MIN,        .max = IRONLAKE_DAC_P_MAX },
+       .p1  = { .min = IRONLAKE_DAC_P1_MIN,       .max = IRONLAKE_DAC_P1_MAX },
+       .p2  = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+                .p2_slow = IRONLAKE_DAC_P2_SLOW,
+                .p2_fast = IRONLAKE_DAC_P2_FAST },
+       .find_pll = intel_g4x_find_best_PLL,
+};
+
+static const intel_limit_t intel_limits_ironlake_single_lvds = {
+       .dot = { .min = IRONLAKE_DOT_MIN,          .max = IRONLAKE_DOT_MAX },
+       .vco = { .min = IRONLAKE_VCO_MIN,          .max = IRONLAKE_VCO_MAX },
+       .n   = { .min = IRONLAKE_LVDS_S_N_MIN,     .max = IRONLAKE_LVDS_S_N_MAX },
+       .m   = { .min = IRONLAKE_LVDS_S_M_MIN,     .max = IRONLAKE_LVDS_S_M_MAX },
+       .m1  = { .min = IRONLAKE_M1_MIN,           .max = IRONLAKE_M1_MAX },
+       .m2  = { .min = IRONLAKE_M2_MIN,           .max = IRONLAKE_M2_MAX },
+       .p   = { .min = IRONLAKE_LVDS_S_P_MIN,     .max = IRONLAKE_LVDS_S_P_MAX },
+       .p1  = { .min = IRONLAKE_LVDS_S_P1_MIN,    .max = IRONLAKE_LVDS_S_P1_MAX },
+       .p2  = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+                .p2_slow = IRONLAKE_LVDS_S_P2_SLOW,
+                .p2_fast = IRONLAKE_LVDS_S_P2_FAST },
+       .find_pll = intel_g4x_find_best_PLL,
+};
+
+static const intel_limit_t intel_limits_ironlake_dual_lvds = {
+       .dot = { .min = IRONLAKE_DOT_MIN,          .max = IRONLAKE_DOT_MAX },
+       .vco = { .min = IRONLAKE_VCO_MIN,          .max = IRONLAKE_VCO_MAX },
+       .n   = { .min = IRONLAKE_LVDS_D_N_MIN,     .max = IRONLAKE_LVDS_D_N_MAX },
+       .m   = { .min = IRONLAKE_LVDS_D_M_MIN,     .max = IRONLAKE_LVDS_D_M_MAX },
+       .m1  = { .min = IRONLAKE_M1_MIN,           .max = IRONLAKE_M1_MAX },
+       .m2  = { .min = IRONLAKE_M2_MIN,           .max = IRONLAKE_M2_MAX },
+       .p   = { .min = IRONLAKE_LVDS_D_P_MIN,     .max = IRONLAKE_LVDS_D_P_MAX },
+       .p1  = { .min = IRONLAKE_LVDS_D_P1_MIN,    .max = IRONLAKE_LVDS_D_P1_MAX },
+       .p2  = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+                .p2_slow = IRONLAKE_LVDS_D_P2_SLOW,
+                .p2_fast = IRONLAKE_LVDS_D_P2_FAST },
+       .find_pll = intel_g4x_find_best_PLL,
 };
 
-static const intel_limit_t intel_limits_igdng_lvds = {
-       .dot = { .min = IGDNG_DOT_MIN,          .max = IGDNG_DOT_MAX },
-       .vco = { .min = IGDNG_VCO_MIN,          .max = IGDNG_VCO_MAX },
-       .n   = { .min = IGDNG_N_MIN,            .max = IGDNG_N_MAX },
-       .m   = { .min = IGDNG_M_MIN,            .max = IGDNG_M_MAX },
-       .m1  = { .min = IGDNG_M1_MIN,           .max = IGDNG_M1_MAX },
-       .m2  = { .min = IGDNG_M2_MIN,           .max = IGDNG_M2_MAX },
-       .p   = { .min = IGDNG_P_LVDS_MIN,       .max = IGDNG_P_LVDS_MAX },
-       .p1  = { .min = IGDNG_P1_MIN,           .max = IGDNG_P1_MAX },
-       .p2  = { .dot_limit = IGDNG_P2_DOT_LIMIT,
-                .p2_slow = IGDNG_P2_LVDS_SLOW,
-                .p2_fast = IGDNG_P2_LVDS_FAST },
-       .find_pll = intel_igdng_find_best_PLL,
+static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
+       .dot = { .min = IRONLAKE_DOT_MIN,          .max = IRONLAKE_DOT_MAX },
+       .vco = { .min = IRONLAKE_VCO_MIN,          .max = IRONLAKE_VCO_MAX },
+       .n   = { .min = IRONLAKE_LVDS_S_SSC_N_MIN, .max = IRONLAKE_LVDS_S_SSC_N_MAX },
+       .m   = { .min = IRONLAKE_LVDS_S_SSC_M_MIN, .max = IRONLAKE_LVDS_S_SSC_M_MAX },
+       .m1  = { .min = IRONLAKE_M1_MIN,           .max = IRONLAKE_M1_MAX },
+       .m2  = { .min = IRONLAKE_M2_MIN,           .max = IRONLAKE_M2_MAX },
+       .p   = { .min = IRONLAKE_LVDS_S_SSC_P_MIN, .max = IRONLAKE_LVDS_S_SSC_P_MAX },
+       .p1  = { .min = IRONLAKE_LVDS_S_SSC_P1_MIN,.max = IRONLAKE_LVDS_S_SSC_P1_MAX },
+       .p2  = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+                .p2_slow = IRONLAKE_LVDS_S_SSC_P2_SLOW,
+                .p2_fast = IRONLAKE_LVDS_S_SSC_P2_FAST },
+       .find_pll = intel_g4x_find_best_PLL,
 };
 
-static const intel_limit_t *intel_igdng_limit(struct drm_crtc *crtc)
+static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
+       .dot = { .min = IRONLAKE_DOT_MIN,          .max = IRONLAKE_DOT_MAX },
+       .vco = { .min = IRONLAKE_VCO_MIN,          .max = IRONLAKE_VCO_MAX },
+       .n   = { .min = IRONLAKE_LVDS_D_SSC_N_MIN, .max = IRONLAKE_LVDS_D_SSC_N_MAX },
+       .m   = { .min = IRONLAKE_LVDS_D_SSC_M_MIN, .max = IRONLAKE_LVDS_D_SSC_M_MAX },
+       .m1  = { .min = IRONLAKE_M1_MIN,           .max = IRONLAKE_M1_MAX },
+       .m2  = { .min = IRONLAKE_M2_MIN,           .max = IRONLAKE_M2_MAX },
+       .p   = { .min = IRONLAKE_LVDS_D_SSC_P_MIN, .max = IRONLAKE_LVDS_D_SSC_P_MAX },
+       .p1  = { .min = IRONLAKE_LVDS_D_SSC_P1_MIN,.max = IRONLAKE_LVDS_D_SSC_P1_MAX },
+       .p2  = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+                .p2_slow = IRONLAKE_LVDS_D_SSC_P2_SLOW,
+                .p2_fast = IRONLAKE_LVDS_D_SSC_P2_FAST },
+       .find_pll = intel_g4x_find_best_PLL,
+};
+
+static const intel_limit_t intel_limits_ironlake_display_port = {
+        .dot = { .min = IRONLAKE_DOT_MIN,
+                 .max = IRONLAKE_DOT_MAX },
+        .vco = { .min = IRONLAKE_VCO_MIN,
+                 .max = IRONLAKE_VCO_MAX},
+        .n   = { .min = IRONLAKE_DP_N_MIN,
+                 .max = IRONLAKE_DP_N_MAX },
+        .m   = { .min = IRONLAKE_DP_M_MIN,
+                 .max = IRONLAKE_DP_M_MAX },
+        .m1  = { .min = IRONLAKE_M1_MIN,
+                 .max = IRONLAKE_M1_MAX },
+        .m2  = { .min = IRONLAKE_M2_MIN,
+                 .max = IRONLAKE_M2_MAX },
+        .p   = { .min = IRONLAKE_DP_P_MIN,
+                 .max = IRONLAKE_DP_P_MAX },
+        .p1  = { .min = IRONLAKE_DP_P1_MIN,
+                 .max = IRONLAKE_DP_P1_MAX},
+        .p2  = { .dot_limit = IRONLAKE_DP_P2_LIMIT,
+                 .p2_slow = IRONLAKE_DP_P2_SLOW,
+                 .p2_fast = IRONLAKE_DP_P2_FAST },
+        .find_pll = intel_find_pll_ironlake_dp,
+};
+
+static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc)
 {
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
        const intel_limit_t *limit;
-       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
-               limit = &intel_limits_igdng_lvds;
+       int refclk = 120;
+
+       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+               if (dev_priv->lvds_use_ssc && dev_priv->lvds_ssc_freq == 100)
+                       refclk = 100;
+
+               if ((I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) ==
+                   LVDS_CLKB_POWER_UP) {
+                       /* LVDS dual channel */
+                       if (refclk == 100)
+                               limit = &intel_limits_ironlake_dual_lvds_100m;
+                       else
+                               limit = &intel_limits_ironlake_dual_lvds;
+               } else {
+                       if (refclk == 100)
+                               limit = &intel_limits_ironlake_single_lvds_100m;
+                       else
+                               limit = &intel_limits_ironlake_single_lvds;
+               }
+       } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
+                       HAS_eDP)
+               limit = &intel_limits_ironlake_display_port;
        else
-               limit = &intel_limits_igdng_sdvo;
+               limit = &intel_limits_ironlake_dac;
 
        return limit;
 }
@@ -557,20 +691,20 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
        struct drm_device *dev = crtc->dev;
        const intel_limit_t *limit;
 
-       if (IS_IGDNG(dev))
-               limit = intel_igdng_limit(crtc);
+       if (HAS_PCH_SPLIT(dev))
+               limit = intel_ironlake_limit(crtc);
        else if (IS_G4X(dev)) {
                limit = intel_g4x_limit(crtc);
-       } else if (IS_I9XX(dev) && !IS_IGD(dev)) {
+       } else if (IS_I9XX(dev) && !IS_PINEVIEW(dev)) {
                if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
                        limit = &intel_limits_i9xx_lvds;
                else
                        limit = &intel_limits_i9xx_sdvo;
-       } else if (IS_IGD(dev)) {
+       } else if (IS_PINEVIEW(dev)) {
                if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
-                       limit = &intel_limits_igd_lvds;
+                       limit = &intel_limits_pineview_lvds;
                else
-                       limit = &intel_limits_igd_sdvo;
+                       limit = &intel_limits_pineview_sdvo;
        } else {
                if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
                        limit = &intel_limits_i8xx_lvds;
@@ -580,8 +714,8 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
        return limit;
 }
 
-/* m1 is reserved as 0 in IGD, n is a ring counter */
-static void igd_clock(int refclk, intel_clock_t *clock)
+/* m1 is reserved as 0 in Pineview, n is a ring counter */
+static void pineview_clock(int refclk, intel_clock_t *clock)
 {
        clock->m = clock->m2 + 2;
        clock->p = clock->p1 * clock->p2;
@@ -591,8 +725,8 @@ static void igd_clock(int refclk, intel_clock_t *clock)
 
 static void intel_clock(struct drm_device *dev, int refclk, intel_clock_t *clock)
 {
-       if (IS_IGD(dev)) {
-               igd_clock(refclk, clock);
+       if (IS_PINEVIEW(dev)) {
+               pineview_clock(refclk, clock);
                return;
        }
        clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
@@ -657,7 +791,7 @@ static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock)
                INTELPllInvalid ("m2 out of range\n");
        if (clock->m1  < limit->m1.min  || limit->m1.max  < clock->m1)
                INTELPllInvalid ("m1 out of range\n");
-       if (clock->m1 <= clock->m2 && !IS_IGD(dev))
+       if (clock->m1 <= clock->m2 && !IS_PINEVIEW(dev))
                INTELPllInvalid ("m1 <= m2\n");
        if (clock->m   < limit->m.min   || limit->m.max   < clock->m)
                INTELPllInvalid ("m out of range\n");
@@ -710,8 +844,8 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
             clock.m1++) {
                for (clock.m2 = limit->m2.min;
                     clock.m2 <= limit->m2.max; clock.m2++) {
-                       /* m1 is always 0 in IGD */
-                       if (clock.m2 >= clock.m1 && !IS_IGD(dev))
+                       /* m1 is always 0 in Pineview */
+                       if (clock.m2 >= clock.m1 && !IS_PINEVIEW(dev))
                                break;
                        for (clock.n = limit->n.min;
                             clock.n <= limit->n.max; clock.n++) {
@@ -737,46 +871,6 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
        return (err != target);
 }
 
-
-static bool
-intel_find_best_reduced_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                           int target, int refclk, intel_clock_t *best_clock)
-
-{
-       struct drm_device *dev = crtc->dev;
-       intel_clock_t clock;
-       int err = target;
-       bool found = false;
-
-       memcpy(&clock, best_clock, sizeof(intel_clock_t));
-
-       for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) {
-               for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max; clock.m2++) {
-                       /* m1 is always 0 in IGD */
-                       if (clock.m2 >= clock.m1 && !IS_IGD(dev))
-                               break;
-                       for (clock.n = limit->n.min; clock.n <= limit->n.max;
-                            clock.n++) {
-                               int this_err;
-
-                               intel_clock(dev, refclk, &clock);
-
-                               if (!intel_PLL_is_valid(crtc, &clock))
-                                       continue;
-
-                               this_err = abs(clock.dot - target);
-                               if (this_err < err) {
-                                       *best_clock = clock;
-                                       err = this_err;
-                                       found = true;
-                               }
-                       }
-               }
-       }
-
-       return found;
-}
-
 static bool
 intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                        int target, int refclk, intel_clock_t *best_clock)
@@ -791,7 +885,13 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
        found = false;
 
        if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-               if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+               int lvds_reg;
+
+               if (HAS_PCH_SPLIT(dev))
+                       lvds_reg = PCH_LVDS;
+               else
+                       lvds_reg = LVDS;
+               if ((I915_READ(lvds_reg) & LVDS_CLKB_POWER_MASK) ==
                    LVDS_CLKB_POWER_UP)
                        clock.p2 = limit->p2.p2_fast;
                else
@@ -834,11 +934,16 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 }
 
 static bool
-intel_find_pll_igdng_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
-                     int target, int refclk, intel_clock_t *best_clock)
+intel_find_pll_ironlake_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
+                          int target, int refclk, intel_clock_t *best_clock)
 {
        struct drm_device *dev = crtc->dev;
        intel_clock_t clock;
+
+       /* return directly when it is eDP */
+       if (HAS_eDP)
+               return true;
+
        if (target < 200000) {
                clock.n = 1;
                clock.p1 = 2;
@@ -857,68 +962,6 @@ intel_find_pll_igdng_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
        return true;
 }
 
-static bool
-intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
-                       int target, int refclk, intel_clock_t *best_clock)
-{
-       struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       intel_clock_t clock;
-       int err_most = 47;
-       int err_min = 10000;
-
-       /* eDP has only 2 clock choice, no n/m/p setting */
-       if (HAS_eDP)
-               return true;
-
-       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
-               return intel_find_pll_igdng_dp(limit, crtc, target,
-                                              refclk, best_clock);
-
-       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-               if ((I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) ==
-                   LVDS_CLKB_POWER_UP)
-                       clock.p2 = limit->p2.p2_fast;
-               else
-                       clock.p2 = limit->p2.p2_slow;
-       } else {
-               if (target < limit->p2.dot_limit)
-                       clock.p2 = limit->p2.p2_slow;
-               else
-                       clock.p2 = limit->p2.p2_fast;
-       }
-
-       memset(best_clock, 0, sizeof(*best_clock));
-       for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) {
-               /* based on hardware requriment prefer smaller n to precision */
-               for (clock.n = limit->n.min; clock.n <= limit->n.max; clock.n++) {
-                       /* based on hardware requirment prefere larger m1,m2 */
-                       for (clock.m1 = limit->m1.max;
-                            clock.m1 >= limit->m1.min; clock.m1--) {
-                               for (clock.m2 = limit->m2.max;
-                                    clock.m2 >= limit->m2.min; clock.m2--) {
-                                       int this_err;
-
-                                       intel_clock(dev, refclk, &clock);
-                                       if (!intel_PLL_is_valid(crtc, &clock))
-                                               continue;
-                                       this_err = abs((10000 - (target*10000/clock.dot)));
-                                       if (this_err < err_most) {
-                                               *best_clock = clock;
-                                               /* found on first matching */
-                                               goto out;
-                                       } else if (this_err < err_min) {
-                                               *best_clock = clock;
-                                               err_min = this_err;
-                                       }
-                               }
-                       }
-               }
-       }
-out:
-       return true;
-}
-
 /* DisplayPort has only two frequencies, 162MHz and 270MHz */
 static bool
 intel_find_pll_g4x_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
@@ -989,6 +1032,8 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 
        /* enable it... */
        fbc_ctl = FBC_CTL_EN | FBC_CTL_PERIODIC;
+       if (IS_I945GM(dev))
+               fbc_ctl |= FBC_CTL_C3_IDLE; /* 945 needs special SR handling */
        fbc_ctl |= (dev_priv->cfb_pitch & 0xff) << FBC_CTL_STRIDE_SHIFT;
        fbc_ctl |= (interval & 0x2fff) << FBC_CTL_INTERVAL_SHIFT;
        if (obj_priv->tiling_mode != I915_TILING_NONE)
@@ -1144,25 +1189,30 @@ static void intel_update_fbc(struct drm_crtc *crtc,
        if (intel_fb->obj->size > dev_priv->cfb_size) {
                DRM_DEBUG_KMS("framebuffer too large, disabling "
                                "compression\n");
+               dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
                goto out_disable;
        }
        if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
            (mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
                DRM_DEBUG_KMS("mode incompatible with compression, "
                                "disabling\n");
+               dev_priv->no_fbc_reason = FBC_UNSUPPORTED_MODE;
                goto out_disable;
        }
        if ((mode->hdisplay > 2048) ||
            (mode->vdisplay > 1536)) {
                DRM_DEBUG_KMS("mode too large for compression, disabling\n");
+               dev_priv->no_fbc_reason = FBC_MODE_TOO_LARGE;
                goto out_disable;
        }
        if ((IS_I915GM(dev) || IS_I945GM(dev)) && plane != 0) {
                DRM_DEBUG_KMS("plane not 0, disabling compression\n");
+               dev_priv->no_fbc_reason = FBC_BAD_PLANE;
                goto out_disable;
        }
        if (obj_priv->tiling_mode != I915_TILING_X) {
                DRM_DEBUG_KMS("framebuffer not tiled, disabling compression\n");
+               dev_priv->no_fbc_reason = FBC_NOT_TILED;
                goto out_disable;
        }
 
@@ -1213,7 +1263,6 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj)
                BUG();
        }
 
-       alignment = 256 * 1024;
        ret = i915_gem_object_pin(obj, alignment);
        if (ret != 0)
                return ret;
@@ -1283,7 +1332,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
                return ret;
        }
 
-       ret = i915_gem_object_set_to_gtt_domain(obj, 1);
+       ret = i915_gem_object_set_to_display_plane(obj);
        if (ret != 0) {
                i915_gem_object_unpin(obj);
                mutex_unlock(&dev->struct_mutex);
@@ -1323,7 +1372,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
                        dspcntr &= ~DISPPLANE_TILED;
        }
 
-       if (IS_IGDNG(dev))
+       if (HAS_PCH_SPLIT(dev))
                /* must disable */
                dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
 
@@ -1384,7 +1433,7 @@ static void i915_disable_vga (struct drm_device *dev)
        u8 sr1;
        u32 vga_reg;
 
-       if (IS_IGDNG(dev))
+       if (HAS_PCH_SPLIT(dev))
                vga_reg = CPU_VGACNTRL;
        else
                vga_reg = VGACNTRL;
@@ -1400,7 +1449,7 @@ static void i915_disable_vga (struct drm_device *dev)
        I915_WRITE(vga_reg, VGA_DISP_DISABLE);
 }
 
-static void igdng_disable_pll_edp (struct drm_crtc *crtc)
+static void ironlake_disable_pll_edp (struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1412,7 +1461,7 @@ static void igdng_disable_pll_edp (struct drm_crtc *crtc)
        I915_WRITE(DP_A, dpa_ctl);
 }
 
-static void igdng_enable_pll_edp (struct drm_crtc *crtc)
+static void ironlake_enable_pll_edp (struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1425,7 +1474,7 @@ static void igdng_enable_pll_edp (struct drm_crtc *crtc)
 }
 
 
-static void igdng_set_pll_edp (struct drm_crtc *crtc, int clock)
+static void ironlake_set_pll_edp (struct drm_crtc *crtc, int clock)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1461,7 +1510,7 @@ static void igdng_set_pll_edp (struct drm_crtc *crtc, int clock)
        udelay(500);
 }
 
-static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1494,6 +1543,10 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
        int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B;
        u32 temp;
        int tries = 5, j, n;
+       u32 pipe_bpc;
+
+       temp = I915_READ(pipeconf_reg);
+       pipe_bpc = temp & PIPE_BPC_MASK;
 
        /* XXX: When our outputs are all unaware of DPMS modes other than off
         * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
@@ -1514,7 +1567,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 
                if (HAS_eDP) {
                        /* enable eDP PLL */
-                       igdng_enable_pll_edp(crtc);
+                       ironlake_enable_pll_edp(crtc);
                } else {
                        /* enable PCH DPLL */
                        temp = I915_READ(pch_dpll_reg);
@@ -1525,13 +1578,19 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 
                        /* enable PCH FDI RX PLL, wait warmup plus DMI latency */
                        temp = I915_READ(fdi_rx_reg);
+                       /*
+                        * make the BPC in FDI Rx be consistent with that in
+                        * pipeconf reg.
+                        */
+                       temp &= ~(0x7 << 16);
+                       temp |= (pipe_bpc << 11);
                        I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
                                        FDI_SEL_PCDCLK |
                                        FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
                        I915_READ(fdi_rx_reg);
                        udelay(200);
 
-                       /* Enable CPU FDI TX PLL, always on for IGDNG */
+                       /* Enable CPU FDI TX PLL, always on for Ironlake */
                        temp = I915_READ(fdi_tx_reg);
                        if ((temp & FDI_TX_PLL_ENABLE) == 0) {
                                I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
@@ -1667,6 +1726,12 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
 
                        /* enable PCH transcoder */
                        temp = I915_READ(transconf_reg);
+                       /*
+                        * make the BPC in transcoder be consistent with
+                        * that in pipeconf reg.
+                        */
+                       temp &= ~PIPE_BPC_MASK;
+                       temp |= pipe_bpc;
                        I915_WRITE(transconf_reg, temp | TRANS_ENABLE);
                        I915_READ(transconf_reg);
 
@@ -1698,6 +1763,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
        case DRM_MODE_DPMS_OFF:
                DRM_DEBUG_KMS("crtc %d dpms off\n", pipe);
 
+               drm_vblank_off(dev, pipe);
                /* Disable display plane */
                temp = I915_READ(dspcntr_reg);
                if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
@@ -1746,6 +1812,9 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
                I915_READ(fdi_tx_reg);
 
                temp = I915_READ(fdi_rx_reg);
+               /* BPC in FDI rx is consistent with that in pipeconf */
+               temp &= ~(0x07 << 16);
+               temp |= (pipe_bpc << 11);
                I915_WRITE(fdi_rx_reg, temp & ~FDI_RX_ENABLE);
                I915_READ(fdi_rx_reg);
 
@@ -1790,7 +1859,12 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
                                }
                        }
                }
-
+               temp = I915_READ(transconf_reg);
+               /* BPC in transcoder is consistent with that in pipeconf */
+               temp &= ~PIPE_BPC_MASK;
+               temp |= pipe_bpc;
+               I915_WRITE(transconf_reg, temp);
+               I915_READ(transconf_reg);
                udelay(100);
 
                /* disable PCH DPLL */
@@ -1801,7 +1875,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
                }
 
                if (HAS_eDP) {
-                       igdng_disable_pll_edp(crtc);
+                       ironlake_disable_pll_edp(crtc);
                }
 
                temp = I915_READ(fdi_rx_reg);
@@ -1924,6 +1998,7 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
 
                /* Give the overlay scaler a chance to disable if it's on this pipe */
                intel_crtc_dpms_overlay(intel_crtc, false);
+               drm_vblank_off(dev, pipe);
 
                if (dev_priv->cfb_plane == plane &&
                    dev_priv->display.disable_fbc)
@@ -2042,7 +2117,7 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
                                  struct drm_display_mode *adjusted_mode)
 {
        struct drm_device *dev = crtc->dev;
-       if (IS_IGDNG(dev)) {
+       if (HAS_PCH_SPLIT(dev)) {
                /* FDI link clock is fixed at 2.7G */
                if (mode->clock * 3 > 27000 * 4)
                        return MODE_CLOCK_HIGH;
@@ -2162,9 +2237,8 @@ fdi_reduce_ratio(u32 *num, u32 *den)
 #define LINK_N 0x80000
 
 static void
-igdng_compute_m_n(int bits_per_pixel, int nlanes,
-               int pixel_clock, int link_clock,
-               struct fdi_m_n *m_n)
+ironlake_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock,
+                    int link_clock, struct fdi_m_n *m_n)
 {
        u64 temp;
 
@@ -2192,34 +2266,34 @@ struct intel_watermark_params {
        unsigned long cacheline_size;
 };
 
-/* IGD has different values for various configs */
-static struct intel_watermark_params igd_display_wm = {
-       IGD_DISPLAY_FIFO,
-       IGD_MAX_WM,
-       IGD_DFT_WM,
-       IGD_GUARD_WM,
-       IGD_FIFO_LINE_SIZE
+/* Pineview has different values for various configs */
+static struct intel_watermark_params pineview_display_wm = {
+       PINEVIEW_DISPLAY_FIFO,
+       PINEVIEW_MAX_WM,
+       PINEVIEW_DFT_WM,
+       PINEVIEW_GUARD_WM,
+       PINEVIEW_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params igd_display_hplloff_wm = {
-       IGD_DISPLAY_FIFO,
-       IGD_MAX_WM,
-       IGD_DFT_HPLLOFF_WM,
-       IGD_GUARD_WM,
-       IGD_FIFO_LINE_SIZE
+static struct intel_watermark_params pineview_display_hplloff_wm = {
+       PINEVIEW_DISPLAY_FIFO,
+       PINEVIEW_MAX_WM,
+       PINEVIEW_DFT_HPLLOFF_WM,
+       PINEVIEW_GUARD_WM,
+       PINEVIEW_FIFO_LINE_SIZE
 };
-static struct intel_watermark_params igd_cursor_wm = {
-       IGD_CURSOR_FIFO,
-       IGD_CURSOR_MAX_WM,
-       IGD_CURSOR_DFT_WM,
-       IGD_CURSOR_GUARD_WM,
-       IGD_FIFO_LINE_SIZE,
+static struct intel_watermark_params pineview_cursor_wm = {
+       PINEVIEW_CURSOR_FIFO,
+       PINEVIEW_CURSOR_MAX_WM,
+       PINEVIEW_CURSOR_DFT_WM,
+       PINEVIEW_CURSOR_GUARD_WM,
+       PINEVIEW_FIFO_LINE_SIZE,
 };
-static struct intel_watermark_params igd_cursor_hplloff_wm = {
-       IGD_CURSOR_FIFO,
-       IGD_CURSOR_MAX_WM,
-       IGD_CURSOR_DFT_WM,
-       IGD_CURSOR_GUARD_WM,
-       IGD_FIFO_LINE_SIZE
+static struct intel_watermark_params pineview_cursor_hplloff_wm = {
+       PINEVIEW_CURSOR_FIFO,
+       PINEVIEW_CURSOR_MAX_WM,
+       PINEVIEW_CURSOR_DFT_WM,
+       PINEVIEW_CURSOR_GUARD_WM,
+       PINEVIEW_FIFO_LINE_SIZE
 };
 static struct intel_watermark_params g4x_wm_info = {
        G4X_FIFO_SIZE,
@@ -2363,36 +2437,36 @@ static struct cxsr_latency *intel_get_cxsr_latency(int is_desktop, int fsb,
        return NULL;
 }
 
-static void igd_disable_cxsr(struct drm_device *dev)
+static void pineview_disable_cxsr(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        u32 reg;
 
        /* deactivate cxsr */
        reg = I915_READ(DSPFW3);
-       reg &= ~(IGD_SELF_REFRESH_EN);
+       reg &= ~(PINEVIEW_SELF_REFRESH_EN);
        I915_WRITE(DSPFW3, reg);
        DRM_INFO("Big FIFO is disabled\n");
 }
 
-static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
-                           int pixel_size)
+static void pineview_enable_cxsr(struct drm_device *dev, unsigned long clock,
+                                int pixel_size)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        u32 reg;
        unsigned long wm;
        struct cxsr_latency *latency;
 
-       latency = intel_get_cxsr_latency(IS_IGDG(dev), dev_priv->fsb_freq,
+       latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->fsb_freq,
                dev_priv->mem_freq);
        if (!latency) {
                DRM_DEBUG_KMS("Unknown FSB/MEM found, disable CxSR\n");
-               igd_disable_cxsr(dev);
+               pineview_disable_cxsr(dev);
                return;
        }
 
        /* Display SR */
-       wm = intel_calculate_wm(clock, &igd_display_wm, pixel_size,
+       wm = intel_calculate_wm(clock, &pineview_display_wm, pixel_size,
                                latency->display_sr);
        reg = I915_READ(DSPFW1);
        reg &= 0x7fffff;
@@ -2401,7 +2475,7 @@ static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
        DRM_DEBUG_KMS("DSPFW1 register is %x\n", reg);
 
        /* cursor SR */
-       wm = intel_calculate_wm(clock, &igd_cursor_wm, pixel_size,
+       wm = intel_calculate_wm(clock, &pineview_cursor_wm, pixel_size,
                                latency->cursor_sr);
        reg = I915_READ(DSPFW3);
        reg &= ~(0x3f << 24);
@@ -2409,7 +2483,7 @@ static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
        I915_WRITE(DSPFW3, reg);
 
        /* Display HPLL off SR */
-       wm = intel_calculate_wm(clock, &igd_display_hplloff_wm,
+       wm = intel_calculate_wm(clock, &pineview_display_hplloff_wm,
                latency->display_hpll_disable, I915_FIFO_LINE_SIZE);
        reg = I915_READ(DSPFW3);
        reg &= 0xfffffe00;
@@ -2417,7 +2491,7 @@ static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
        I915_WRITE(DSPFW3, reg);
 
        /* cursor HPLL off SR */
-       wm = intel_calculate_wm(clock, &igd_cursor_hplloff_wm, pixel_size,
+       wm = intel_calculate_wm(clock, &pineview_cursor_hplloff_wm, pixel_size,
                                latency->cursor_hpll_disable);
        reg = I915_READ(DSPFW3);
        reg &= ~(0x3f << 16);
@@ -2427,7 +2501,7 @@ static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
 
        /* activate cxsr */
        reg = I915_READ(DSPFW3);
-       reg |= IGD_SELF_REFRESH_EN;
+       reg |= PINEVIEW_SELF_REFRESH_EN;
        I915_WRITE(DSPFW3, reg);
 
        DRM_INFO("Big FIFO is enabled\n");
@@ -2449,7 +2523,7 @@ static void igd_enable_cxsr(struct drm_device *dev, unsigned long clock,
  * A value of 5us seems to be a good balance; safe for very low end
  * platforms but not overly aggressive on lower latency configs.
  */
-const static int latency_ns = 5000;
+static const int latency_ns = 5000;
 
 static int i9xx_get_fifo_size(struct drm_device *dev, int plane)
 {
@@ -2560,7 +2634,7 @@ static void g4x_update_wm(struct drm_device *dev,  int planea_clock,
        /* Calc sr entries for one plane configs */
        if (sr_hdisplay && (!planea_clock || !planeb_clock)) {
                /* self-refresh has much higher latency */
-               const static int sr_latency_ns = 12000;
+               static const int sr_latency_ns = 12000;
 
                sr_clock = planea_clock ? planea_clock : planeb_clock;
                line_time_us = ((sr_hdisplay * 1000) / sr_clock);
@@ -2571,6 +2645,10 @@ static void g4x_update_wm(struct drm_device *dev,  int planea_clock,
                sr_entries = roundup(sr_entries / cacheline_size, 1);
                DRM_DEBUG("self-refresh entries: %d\n", sr_entries);
                I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
+       } else {
+               /* Turn off self refresh if both pipes are enabled */
+               I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
+                                       & ~FW_BLC_SELF_EN);
        }
 
        DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, SR %d\n",
@@ -2599,7 +2677,7 @@ static void i965_update_wm(struct drm_device *dev, int planea_clock,
        /* Calc sr entries for one plane configs */
        if (sr_hdisplay && (!planea_clock || !planeb_clock)) {
                /* self-refresh has much higher latency */
-               const static int sr_latency_ns = 12000;
+               static const int sr_latency_ns = 12000;
 
                sr_clock = planea_clock ? planea_clock : planeb_clock;
                line_time_us = ((sr_hdisplay * 1000) / sr_clock);
@@ -2614,6 +2692,10 @@ static void i965_update_wm(struct drm_device *dev, int planea_clock,
                        srwm = 1;
                srwm &= 0x3f;
                I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
+       } else {
+               /* Turn off self refresh if both pipes are enabled */
+               I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
+                                       & ~FW_BLC_SELF_EN);
        }
 
        DRM_DEBUG_KMS("Setting FIFO watermarks - A: 8, B: 8, C: 8, SR %d\n",
@@ -2668,7 +2750,7 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
        if (HAS_FW_BLC(dev) && sr_hdisplay &&
            (!planea_clock || !planeb_clock)) {
                /* self-refresh has much higher latency */
-               const static int sr_latency_ns = 6000;
+               static const int sr_latency_ns = 6000;
 
                sr_clock = planea_clock ? planea_clock : planeb_clock;
                line_time_us = ((sr_hdisplay * 1000) / sr_clock);
@@ -2681,7 +2763,22 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
                srwm = total_size - sr_entries;
                if (srwm < 0)
                        srwm = 1;
-               I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN | (srwm & 0x3f));
+
+               if (IS_I945G(dev) || IS_I945GM(dev))
+                       I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_FIFO_MASK | (srwm & 0xff));
+               else if (IS_I915GM(dev)) {
+                       /* 915M has a smaller SRWM field */
+                       I915_WRITE(FW_BLC_SELF, srwm & 0x3f);
+                       I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
+               }
+       } else {
+               /* Turn off self refresh if both pipes are enabled */
+               if (IS_I945G(dev) || IS_I945GM(dev)) {
+                       I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
+                                  & ~FW_BLC_SELF_EN);
+               } else if (IS_I915GM(dev)) {
+                       I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
+               }
        }
 
        DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
@@ -2786,10 +2883,10 @@ static void intel_update_watermarks(struct drm_device *dev)
                return;
 
        /* Single plane configs can enable self refresh */
-       if (enabled == 1 && IS_IGD(dev))
-               igd_enable_cxsr(dev, sr_clock, pixel_size);
-       else if (IS_IGD(dev))
-               igd_disable_cxsr(dev);
+       if (enabled == 1 && IS_PINEVIEW(dev))
+               pineview_enable_cxsr(dev, sr_clock, pixel_size);
+       else if (IS_PINEVIEW(dev))
+               pineview_disable_cxsr(dev);
 
        dev_priv->display.update_wm(dev, planea_clock, planeb_clock,
                                    sr_hdisplay, pixel_size);
@@ -2887,7 +2984,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                                        refclk / 1000);
        } else if (IS_I9XX(dev)) {
                refclk = 96000;
-               if (IS_IGDNG(dev))
+               if (HAS_PCH_SPLIT(dev))
                        refclk = 120000; /* 120Mhz refclk */
        } else {
                refclk = 48000;
@@ -2907,10 +3004,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                return -EINVAL;
        }
 
-       if (is_lvds && limit->find_reduced_pll &&
-                       dev_priv->lvds_downclock_avail) {
-               memcpy(&reduced_clock, &clock, sizeof(intel_clock_t));
-               has_reduced_clock = limit->find_reduced_pll(limit, crtc,
+       if (is_lvds && dev_priv->lvds_downclock_avail) {
+               has_reduced_clock = limit->find_pll(limit, crtc,
                                                            dev_priv->lvds_downclock,
                                                            refclk,
                                                            &reduced_clock);
@@ -2947,7 +3042,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
        }
 
        /* FDI link */
-       if (IS_IGDNG(dev)) {
+       if (HAS_PCH_SPLIT(dev)) {
                int lane, link_bw, bpp;
                /* eDP doesn't require FDI link, so just set DP M/N
                   according to current link config */
@@ -2970,6 +3065,33 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
                /* determine panel color depth */
                temp = I915_READ(pipeconf_reg);
+               temp &= ~PIPE_BPC_MASK;
+               if (is_lvds) {
+                       int lvds_reg = I915_READ(PCH_LVDS);
+                       /* the BPC will be 6 if it is 18-bit LVDS panel */
+                       if ((lvds_reg & LVDS_A3_POWER_MASK) == LVDS_A3_POWER_UP)
+                               temp |= PIPE_8BPC;
+                       else
+                               temp |= PIPE_6BPC;
+               } else if (is_edp) {
+                       switch (dev_priv->edp_bpp/3) {
+                       case 8:
+                               temp |= PIPE_8BPC;
+                               break;
+                       case 10:
+                               temp |= PIPE_10BPC;
+                               break;
+                       case 6:
+                               temp |= PIPE_6BPC;
+                               break;
+                       case 12:
+                               temp |= PIPE_12BPC;
+                               break;
+                       }
+               } else
+                       temp |= PIPE_8BPC;
+               I915_WRITE(pipeconf_reg, temp);
+               I915_READ(pipeconf_reg);
 
                switch (temp & PIPE_BPC_MASK) {
                case PIPE_8BPC:
@@ -2989,8 +3111,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                        bpp = 24;
                }
 
-               igdng_compute_m_n(bpp, lane, target_clock,
-                                 link_bw, &m_n);
+               ironlake_compute_m_n(bpp, lane, target_clock, link_bw, &m_n);
        }
 
        /* Ironlake: try to setup display ref clock before DPLL
@@ -2998,7 +3119,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
         * PCH B stepping, previous chipset stepping should be
         * ignoring this setting.
         */
-       if (IS_IGDNG(dev)) {
+       if (HAS_PCH_SPLIT(dev)) {
                temp = I915_READ(PCH_DREF_CONTROL);
                /* Always enable nonspread source */
                temp &= ~DREF_NONSPREAD_SOURCE_MASK;
@@ -3033,7 +3154,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                }
        }
 
-       if (IS_IGD(dev)) {
+       if (IS_PINEVIEW(dev)) {
                fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2;
                if (has_reduced_clock)
                        fp2 = (1 << reduced_clock.n) << 16 |
@@ -3045,7 +3166,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                                reduced_clock.m2;
        }
 
-       if (!IS_IGDNG(dev))
+       if (!HAS_PCH_SPLIT(dev))
                dpll = DPLL_VGA_MODE_DIS;
 
        if (IS_I9XX(dev)) {
@@ -3058,19 +3179,19 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                        sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
                        if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
                                dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-                       else if (IS_IGDNG(dev))
+                       else if (HAS_PCH_SPLIT(dev))
                                dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
                }
                if (is_dp)
                        dpll |= DPLL_DVO_HIGH_SPEED;
 
                /* compute bitmask from p1 value */
-               if (IS_IGD(dev))
-                       dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_IGD;
+               if (IS_PINEVIEW(dev))
+                       dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW;
                else {
                        dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
                        /* also FPA1 */
-                       if (IS_IGDNG(dev))
+                       if (HAS_PCH_SPLIT(dev))
                                dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
                        if (IS_G4X(dev) && has_reduced_clock)
                                dpll |= (1 << (reduced_clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
@@ -3089,7 +3210,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                        dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
                        break;
                }
-               if (IS_I965G(dev) && !IS_IGDNG(dev))
+               if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev))
                        dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
        } else {
                if (is_lvds) {
@@ -3121,9 +3242,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
        /* Set up the display plane register */
        dspcntr = DISPPLANE_GAMMA_ENABLE;
 
-       /* IGDNG's plane is forced to pipe, bit 24 is to
+       /* Ironlake's plane is forced to pipe, bit 24 is to
           enable color space conversion */
-       if (!IS_IGDNG(dev)) {
+       if (!HAS_PCH_SPLIT(dev)) {
                if (pipe == 0)
                        dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
                else
@@ -3150,20 +3271,20 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 
        /* Disable the panel fitter if it was on our pipe */
-       if (!IS_IGDNG(dev) && intel_panel_fitter_pipe(dev) == pipe)
+       if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
                I915_WRITE(PFIT_CONTROL, 0);
 
        DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
        drm_mode_debug_printmodeline(mode);
 
-       /* assign to IGDNG registers */
-       if (IS_IGDNG(dev)) {
+       /* assign to Ironlake registers */
+       if (HAS_PCH_SPLIT(dev)) {
                fp_reg = pch_fp_reg;
                dpll_reg = pch_dpll_reg;
        }
 
        if (is_edp) {
-               igdng_disable_pll_edp(crtc);
+               ironlake_disable_pll_edp(crtc);
        } else if ((dpll & DPLL_VCO_ENABLE)) {
                I915_WRITE(fp_reg, fp);
                I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
@@ -3178,7 +3299,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
        if (is_lvds) {
                u32 lvds;
 
-               if (IS_IGDNG(dev))
+               if (HAS_PCH_SPLIT(dev))
                        lvds_reg = PCH_LVDS;
 
                lvds = I915_READ(lvds_reg);
@@ -3197,7 +3318,20 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                 * appropriately here, but we need to look more thoroughly into how
                 * panels behave in the two modes.
                 */
-
+               /* set the dithering flag */
+               if (IS_I965G(dev)) {
+                       if (dev_priv->lvds_dither) {
+                               if (HAS_PCH_SPLIT(dev))
+                                       pipeconf |= PIPE_ENABLE_DITHER;
+                               else
+                                       lvds |= LVDS_ENABLE_DITHER;
+                       } else {
+                               if (HAS_PCH_SPLIT(dev))
+                                       pipeconf &= ~PIPE_ENABLE_DITHER;
+                               else
+                                       lvds &= ~LVDS_ENABLE_DITHER;
+                       }
+               }
                I915_WRITE(lvds_reg, lvds);
                I915_READ(lvds_reg);
        }
@@ -3211,7 +3345,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
                /* Wait for the clocks to stabilize. */
                udelay(150);
 
-               if (IS_I965G(dev) && !IS_IGDNG(dev)) {
+               if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
                        if (is_sdvo) {
                                sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
                                I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
@@ -3258,21 +3392,21 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
        /* pipesrc and dspsize control the size that is scaled from, which should
         * always be the user's requested size.
         */
-       if (!IS_IGDNG(dev)) {
+       if (!HAS_PCH_SPLIT(dev)) {
                I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) |
                                (mode->hdisplay - 1));
                I915_WRITE(dsppos_reg, 0);
        }
        I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
 
-       if (IS_IGDNG(dev)) {
+       if (HAS_PCH_SPLIT(dev)) {
                I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);
                I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);
                I915_WRITE(link_m1_reg, m_n.link_m);
                I915_WRITE(link_n1_reg, m_n.link_n);
 
                if (is_edp) {
-                       igdng_set_pll_edp(crtc, adjusted_mode->clock);
+                       ironlake_set_pll_edp(crtc, adjusted_mode->clock);
                } else {
                        /* enable FDI RX PLL too */
                        temp = I915_READ(fdi_rx_reg);
@@ -3286,7 +3420,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
        intel_wait_for_vblank(dev);
 
-       if (IS_IGDNG(dev)) {
+       if (IS_IRONLAKE(dev)) {
                /* enable address swizzle for tiling buffer */
                temp = I915_READ(DISP_ARB_CTL);
                I915_WRITE(DISP_ARB_CTL, temp | DISP_TILE_SURFACE_SWIZZLING);
@@ -3320,8 +3454,8 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
        if (!crtc->enabled)
                return;
 
-       /* use legacy palette for IGDNG */
-       if (IS_IGDNG(dev))
+       /* use legacy palette for Ironlake */
+       if (HAS_PCH_SPLIT(dev))
                palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A :
                                                   LGC_PALETTE_B;
 
@@ -3387,7 +3521,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 
        /* we only need to pin inside GTT if cursor is non-phy */
        mutex_lock(&dev->struct_mutex);
-       if (!dev_priv->cursor_needs_physical) {
+       if (!dev_priv->info->cursor_needs_physical) {
                ret = i915_gem_object_pin(bo, PAGE_SIZE);
                if (ret) {
                        DRM_ERROR("failed to pin cursor bo\n");
@@ -3422,7 +3556,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
        I915_WRITE(base, addr);
 
        if (intel_crtc->cursor_bo) {
-               if (dev_priv->cursor_needs_physical) {
+               if (dev_priv->info->cursor_needs_physical) {
                        if (intel_crtc->cursor_bo != bo)
                                i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo);
                } else
@@ -3436,11 +3570,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
        intel_crtc->cursor_bo = bo;
 
        return 0;
-fail:
-       mutex_lock(&dev->struct_mutex);
 fail_locked:
-       drm_gem_object_unreference(bo);
        mutex_unlock(&dev->struct_mutex);
+fail:
+       drm_gem_object_unreference_unlocked(bo);
        return ret;
 }
 
@@ -3662,18 +3795,18 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                fp = I915_READ((pipe == 0) ? FPA1 : FPB1);
 
        clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-       if (IS_IGD(dev)) {
-               clock.n = ffs((fp & FP_N_IGD_DIV_MASK) >> FP_N_DIV_SHIFT) - 1;
-               clock.m2 = (fp & FP_M2_IGD_DIV_MASK) >> FP_M2_DIV_SHIFT;
+       if (IS_PINEVIEW(dev)) {
+               clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1;
+               clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT;
        } else {
                clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
                clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
        }
 
        if (IS_I9XX(dev)) {
-               if (IS_IGD(dev))
-                       clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_IGD) >>
-                               DPLL_FPA01_P1_POST_DIV_SHIFT_IGD);
+               if (IS_PINEVIEW(dev))
+                       clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >>
+                               DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW);
                else
                        clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >>
                               DPLL_FPA01_P1_POST_DIV_SHIFT);
@@ -3781,125 +3914,6 @@ static void intel_gpu_idle_timer(unsigned long arg)
        queue_work(dev_priv->wq, &dev_priv->idle_work);
 }
 
-void intel_increase_renderclock(struct drm_device *dev, bool schedule)
-{
-       drm_i915_private_t *dev_priv = dev->dev_private;
-
-       if (IS_IGDNG(dev))
-               return;
-
-       if (!dev_priv->render_reclock_avail) {
-               DRM_DEBUG_DRIVER("not reclocking render clock\n");
-               return;
-       }
-
-       /* Restore render clock frequency to original value */
-       if (IS_G4X(dev) || IS_I9XX(dev))
-               pci_write_config_word(dev->pdev, GCFGC, dev_priv->orig_clock);
-       else if (IS_I85X(dev))
-               pci_write_config_word(dev->pdev, HPLLCC, dev_priv->orig_clock);
-       DRM_DEBUG_DRIVER("increasing render clock frequency\n");
-
-       /* Schedule downclock */
-       if (schedule)
-               mod_timer(&dev_priv->idle_timer, jiffies +
-                         msecs_to_jiffies(GPU_IDLE_TIMEOUT));
-}
-
-void intel_decrease_renderclock(struct drm_device *dev)
-{
-       drm_i915_private_t *dev_priv = dev->dev_private;
-
-       if (IS_IGDNG(dev))
-               return;
-
-       if (!dev_priv->render_reclock_avail) {
-               DRM_DEBUG_DRIVER("not reclocking render clock\n");
-               return;
-       }
-
-       if (IS_G4X(dev)) {
-               u16 gcfgc;
-
-               /* Adjust render clock... */
-               pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
-
-               /* Down to minimum... */
-               gcfgc &= ~GM45_GC_RENDER_CLOCK_MASK;
-               gcfgc |= GM45_GC_RENDER_CLOCK_266_MHZ;
-
-               pci_write_config_word(dev->pdev, GCFGC, gcfgc);
-       } else if (IS_I965G(dev)) {
-               u16 gcfgc;
-
-               /* Adjust render clock... */
-               pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
-
-               /* Down to minimum... */
-               gcfgc &= ~I965_GC_RENDER_CLOCK_MASK;
-               gcfgc |= I965_GC_RENDER_CLOCK_267_MHZ;
-
-               pci_write_config_word(dev->pdev, GCFGC, gcfgc);
-       } else if (IS_I945G(dev) || IS_I945GM(dev)) {
-               u16 gcfgc;
-
-               /* Adjust render clock... */
-               pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
-
-               /* Down to minimum... */
-               gcfgc &= ~I945_GC_RENDER_CLOCK_MASK;
-               gcfgc |= I945_GC_RENDER_CLOCK_166_MHZ;
-
-               pci_write_config_word(dev->pdev, GCFGC, gcfgc);
-       } else if (IS_I915G(dev)) {
-               u16 gcfgc;
-
-               /* Adjust render clock... */
-               pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
-
-               /* Down to minimum... */
-               gcfgc &= ~I915_GC_RENDER_CLOCK_MASK;
-               gcfgc |= I915_GC_RENDER_CLOCK_166_MHZ;
-
-               pci_write_config_word(dev->pdev, GCFGC, gcfgc);
-       } else if (IS_I85X(dev)) {
-               u16 hpllcc;
-
-               /* Adjust render clock... */
-               pci_read_config_word(dev->pdev, HPLLCC, &hpllcc);
-
-               /* Up to maximum... */
-               hpllcc &= ~GC_CLOCK_CONTROL_MASK;
-               hpllcc |= GC_CLOCK_133_200;
-
-               pci_write_config_word(dev->pdev, HPLLCC, hpllcc);
-       }
-       DRM_DEBUG_DRIVER("decreasing render clock frequency\n");
-}
-
-/* Note that no increase function is needed for this - increase_renderclock()
- *  will also rewrite these bits
- */
-void intel_decrease_displayclock(struct drm_device *dev)
-{
-       if (IS_IGDNG(dev))
-               return;
-
-       if (IS_I945G(dev) || IS_I945GM(dev) || IS_I915G(dev) ||
-           IS_I915GM(dev)) {
-               u16 gcfgc;
-
-               /* Adjust render clock... */
-               pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
-
-               /* Down to minimum... */
-               gcfgc &= ~0xf0;
-               gcfgc |= 0x80;
-
-               pci_write_config_word(dev->pdev, GCFGC, gcfgc);
-       }
-}
-
 #define CRTC_IDLE_TIMEOUT 1000 /* ms */
 
 static void intel_crtc_idle_timer(unsigned long arg)
@@ -3924,7 +3938,7 @@ static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule)
        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
        int dpll = I915_READ(dpll_reg);
 
-       if (IS_IGDNG(dev))
+       if (HAS_PCH_SPLIT(dev))
                return;
 
        if (!dev_priv->lvds_downclock_avail)
@@ -3963,7 +3977,7 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc)
        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
        int dpll = I915_READ(dpll_reg);
 
-       if (IS_IGDNG(dev))
+       if (HAS_PCH_SPLIT(dev))
                return;
 
        if (!dev_priv->lvds_downclock_avail)
@@ -4013,10 +4027,9 @@ static void intel_idle_update(struct work_struct *work)
 
        mutex_lock(&dev->struct_mutex);
 
-       /* GPU isn't processing, downclock it. */
-       if (!dev_priv->busy) {
-               intel_decrease_renderclock(dev);
-               intel_decrease_displayclock(dev);
+       if (IS_I945G(dev) || IS_I945GM(dev)) {
+               DRM_DEBUG_DRIVER("enable memory self refresh on 945\n");
+               I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
        }
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -4053,12 +4066,18 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
                return;
 
        if (!dev_priv->busy) {
+               if (IS_I945G(dev) || IS_I945GM(dev)) {
+                       u32 fw_blc_self;
+
+                       DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+                       fw_blc_self = I915_READ(FW_BLC_SELF);
+                       fw_blc_self &= ~FW_BLC_SELF_EN;
+                       I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+               }
                dev_priv->busy = true;
-               intel_increase_renderclock(dev, true);
-       } else {
+       } else
                mod_timer(&dev_priv->idle_timer, jiffies +
                          msecs_to_jiffies(GPU_IDLE_TIMEOUT));
-       }
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
                if (!crtc->fb)
@@ -4068,6 +4087,14 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
                intel_fb = to_intel_framebuffer(crtc->fb);
                if (intel_fb->obj == obj) {
                        if (!intel_crtc->busy) {
+                               if (IS_I945G(dev) || IS_I945GM(dev)) {
+                                       u32 fw_blc_self;
+
+                                       DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+                                       fw_blc_self = I915_READ(FW_BLC_SELF);
+                                       fw_blc_self &= ~FW_BLC_SELF_EN;
+                                       I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+                               }
                                /* Non-busy -> busy, upclock */
                                intel_increase_pllclock(crtc, true);
                                intel_crtc->busy = true;
@@ -4091,7 +4118,8 @@ static void intel_crtc_destroy(struct drm_crtc *crtc)
 struct intel_unpin_work {
        struct work_struct work;
        struct drm_device *dev;
-       struct drm_gem_object *obj;
+       struct drm_gem_object *old_fb_obj;
+       struct drm_gem_object *pending_flip_obj;
        struct drm_pending_vblank_event *event;
        int pending;
 };
@@ -4102,8 +4130,9 @@ static void intel_unpin_work_fn(struct work_struct *__work)
                container_of(__work, struct intel_unpin_work, work);
 
        mutex_lock(&work->dev->struct_mutex);
-       i915_gem_object_unpin(work->obj);
-       drm_gem_object_unreference(work->obj);
+       i915_gem_object_unpin(work->old_fb_obj);
+       drm_gem_object_unreference(work->pending_flip_obj);
+       drm_gem_object_unreference(work->old_fb_obj);
        mutex_unlock(&work->dev->struct_mutex);
        kfree(work);
 }
@@ -4126,6 +4155,12 @@ void intel_finish_page_flip(struct drm_device *dev, int pipe)
        spin_lock_irqsave(&dev->event_lock, flags);
        work = intel_crtc->unpin_work;
        if (work == NULL || !work->pending) {
+               if (work && !work->pending) {
+                       obj_priv = work->pending_flip_obj->driver_private;
+                       DRM_DEBUG_DRIVER("flip finish: %p (%d) not pending?\n",
+                                        obj_priv,
+                                        atomic_read(&obj_priv->pending_flip));
+               }
                spin_unlock_irqrestore(&dev->event_lock, flags);
                return;
        }
@@ -4146,8 +4181,11 @@ void intel_finish_page_flip(struct drm_device *dev, int pipe)
 
        spin_unlock_irqrestore(&dev->event_lock, flags);
 
-       obj_priv = work->obj->driver_private;
-       if (atomic_dec_and_test(&obj_priv->pending_flip))
+       obj_priv = work->pending_flip_obj->driver_private;
+
+       /* Initial scanout buffer will have a 0 pending flip count */
+       if ((atomic_read(&obj_priv->pending_flip) == 0) ||
+           atomic_dec_and_test(&obj_priv->pending_flip))
                DRM_WAKEUP(&dev_priv->pending_flip_queue);
        schedule_work(&work->work);
 }
@@ -4160,8 +4198,11 @@ void intel_prepare_page_flip(struct drm_device *dev, int plane)
        unsigned long flags;
 
        spin_lock_irqsave(&dev->event_lock, flags);
-       if (intel_crtc->unpin_work)
+       if (intel_crtc->unpin_work) {
                intel_crtc->unpin_work->pending = 1;
+       } else {
+               DRM_DEBUG_DRIVER("preparing flip with no unpin work?\n");
+       }
        spin_unlock_irqrestore(&dev->event_lock, flags);
 }
 
@@ -4177,7 +4218,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_unpin_work *work;
        unsigned long flags;
-       int ret;
+       int pipesrc_reg = (intel_crtc->pipe == 0) ? PIPEASRC : PIPEBSRC;
+       int ret, pipesrc;
        RING_LOCALS;
 
        work = kzalloc(sizeof *work, GFP_KERNEL);
@@ -4189,12 +4231,13 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        work->event = event;
        work->dev = crtc->dev;
        intel_fb = to_intel_framebuffer(crtc->fb);
-       work->obj = intel_fb->obj;
+       work->old_fb_obj = intel_fb->obj;
        INIT_WORK(&work->work, intel_unpin_work_fn);
 
        /* We borrow the event spin lock for protecting unpin_work */
        spin_lock_irqsave(&dev->event_lock, flags);
        if (intel_crtc->unpin_work) {
+               DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
                spin_unlock_irqrestore(&dev->event_lock, flags);
                kfree(work);
                mutex_unlock(&dev->struct_mutex);
@@ -4208,26 +4251,37 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
        ret = intel_pin_and_fence_fb_obj(dev, obj);
        if (ret != 0) {
+               DRM_DEBUG_DRIVER("flip queue: %p pin & fence failed\n",
+                         obj->driver_private);
                kfree(work);
+               intel_crtc->unpin_work = NULL;
                mutex_unlock(&dev->struct_mutex);
                return ret;
        }
 
-       /* Reference the old fb object for the scheduled work. */
-       drm_gem_object_reference(work->obj);
+       /* Reference the objects for the scheduled work. */
+       drm_gem_object_reference(work->old_fb_obj);
+       drm_gem_object_reference(obj);
 
        crtc->fb = fb;
        i915_gem_object_flush_write_domain(obj);
        drm_vblank_get(dev, intel_crtc->pipe);
        obj_priv = obj->driver_private;
        atomic_inc(&obj_priv->pending_flip);
+       work->pending_flip_obj = obj;
 
        BEGIN_LP_RING(4);
        OUT_RING(MI_DISPLAY_FLIP |
                 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
        OUT_RING(fb->pitch);
-       OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);
-       OUT_RING((fb->width << 16) | fb->height);
+       if (IS_I965G(dev)) {
+               OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);
+               pipesrc = I915_READ(pipesrc_reg); 
+               OUT_RING(pipesrc & 0x0fff0fff);
+       } else {
+               OUT_RING(obj_priv->gtt_offset);
+               OUT_RING(MI_NOOP);
+       }
        ADVANCE_LP_RING();
 
        mutex_unlock(&dev->struct_mutex);
@@ -4257,6 +4311,7 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
 
 static void intel_crtc_init(struct drm_device *dev, int pipe)
 {
+       drm_i915_private_t *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc;
        int i;
 
@@ -4283,6 +4338,11 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
                intel_crtc->plane = ((pipe == 0) ? 1 : 0);
        }
 
+       BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
+              dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL);
+       dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base;
+       dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base;
+
        intel_crtc->cursor_addr = 0;
        intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF;
        drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
@@ -4359,7 +4419,7 @@ static void intel_setup_outputs(struct drm_device *dev)
        if (IS_MOBILE(dev) && !IS_I830(dev))
                intel_lvds_init(dev);
 
-       if (IS_IGDNG(dev)) {
+       if (HAS_PCH_SPLIT(dev)) {
                int found;
 
                if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
@@ -4391,30 +4451,44 @@ static void intel_setup_outputs(struct drm_device *dev)
                bool found = false;
 
                if (I915_READ(SDVOB) & SDVO_DETECTED) {
+                       DRM_DEBUG_KMS("probing SDVOB\n");
                        found = intel_sdvo_init(dev, SDVOB);
-                       if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+                       if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) {
+                               DRM_DEBUG_KMS("probing HDMI on SDVOB\n");
                                intel_hdmi_init(dev, SDVOB);
+                       }
 
-                       if (!found && SUPPORTS_INTEGRATED_DP(dev))
+                       if (!found && SUPPORTS_INTEGRATED_DP(dev)) {
+                               DRM_DEBUG_KMS("probing DP_B\n");
                                intel_dp_init(dev, DP_B);
+                       }
                }
 
                /* Before G4X SDVOC doesn't have its own detect register */
 
-               if (I915_READ(SDVOB) & SDVO_DETECTED)
+               if (I915_READ(SDVOB) & SDVO_DETECTED) {
+                       DRM_DEBUG_KMS("probing SDVOC\n");
                        found = intel_sdvo_init(dev, SDVOC);
+               }
 
                if (!found && (I915_READ(SDVOC) & SDVO_DETECTED)) {
 
-                       if (SUPPORTS_INTEGRATED_HDMI(dev))
+                       if (SUPPORTS_INTEGRATED_HDMI(dev)) {
+                               DRM_DEBUG_KMS("probing HDMI on SDVOC\n");
                                intel_hdmi_init(dev, SDVOC);
-                       if (SUPPORTS_INTEGRATED_DP(dev))
+                       }
+                       if (SUPPORTS_INTEGRATED_DP(dev)) {
+                               DRM_DEBUG_KMS("probing DP_C\n");
                                intel_dp_init(dev, DP_C);
+                       }
                }
 
-               if (SUPPORTS_INTEGRATED_DP(dev) && (I915_READ(DP_D) & DP_DETECTED))
+               if (SUPPORTS_INTEGRATED_DP(dev) &&
+                   (I915_READ(DP_D) & DP_DETECTED)) {
+                       DRM_DEBUG_KMS("probing DP_D\n");
                        intel_dp_init(dev, DP_D);
-       } else if (IS_I8XX(dev))
+               }
+       } else if (IS_GEN2(dev))
                intel_dvo_init(dev);
 
        if (SUPPORTS_TV(dev))
@@ -4439,9 +4513,7 @@ static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
                intelfb_remove(dev, fb);
 
        drm_framebuffer_cleanup(fb);
-       mutex_lock(&dev->struct_mutex);
-       drm_gem_object_unreference(intel_fb->obj);
-       mutex_unlock(&dev->struct_mutex);
+       drm_gem_object_unreference_unlocked(intel_fb->obj);
 
        kfree(intel_fb);
 }
@@ -4504,9 +4576,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
 
        ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
        if (ret) {
-               mutex_lock(&dev->struct_mutex);
-               drm_gem_object_unreference(obj);
-               mutex_unlock(&dev->struct_mutex);
+               drm_gem_object_unreference_unlocked(obj);
                return NULL;
        }
 
@@ -4518,6 +4588,127 @@ static const struct drm_mode_config_funcs intel_mode_funcs = {
        .fb_changed = intelfb_probe,
 };
 
+static struct drm_gem_object *
+intel_alloc_power_context(struct drm_device *dev)
+{
+       struct drm_gem_object *pwrctx;
+       int ret;
+
+       pwrctx = drm_gem_object_alloc(dev, 4096);
+       if (!pwrctx) {
+               DRM_DEBUG("failed to alloc power context, RC6 disabled\n");
+               return NULL;
+       }
+
+       mutex_lock(&dev->struct_mutex);
+       ret = i915_gem_object_pin(pwrctx, 4096);
+       if (ret) {
+               DRM_ERROR("failed to pin power context: %d\n", ret);
+               goto err_unref;
+       }
+
+       ret = i915_gem_object_set_to_gtt_domain(pwrctx, 1);
+       if (ret) {
+               DRM_ERROR("failed to set-domain on power context: %d\n", ret);
+               goto err_unpin;
+       }
+       mutex_unlock(&dev->struct_mutex);
+
+       return pwrctx;
+
+err_unpin:
+       i915_gem_object_unpin(pwrctx);
+err_unref:
+       drm_gem_object_unreference(pwrctx);
+       mutex_unlock(&dev->struct_mutex);
+       return NULL;
+}
+
+void ironlake_enable_drps(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       u32 rgvmodectl = I915_READ(MEMMODECTL), rgvswctl;
+       u8 fmax, fmin, fstart, vstart;
+       int i = 0;
+
+       /* 100ms RC evaluation intervals */
+       I915_WRITE(RCUPEI, 100000);
+       I915_WRITE(RCDNEI, 100000);
+
+       /* Set max/min thresholds to 90ms and 80ms respectively */
+       I915_WRITE(RCBMAXAVG, 90000);
+       I915_WRITE(RCBMINAVG, 80000);
+
+       I915_WRITE(MEMIHYST, 1);
+
+       /* Set up min, max, and cur for interrupt handling */
+       fmax = (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT;
+       fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
+       fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
+               MEMMODE_FSTART_SHIFT;
+       vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
+               PXVFREQ_PX_SHIFT;
+
+       dev_priv->max_delay = fstart; /* can't go to fmax w/o IPS */
+       dev_priv->min_delay = fmin;
+       dev_priv->cur_delay = fstart;
+
+       I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN);
+
+       /*
+        * Interrupts will be enabled in ironlake_irq_postinstall
+        */
+
+       I915_WRITE(VIDSTART, vstart);
+       POSTING_READ(VIDSTART);
+
+       rgvmodectl |= MEMMODE_SWMODE_EN;
+       I915_WRITE(MEMMODECTL, rgvmodectl);
+
+       while (I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) {
+               if (i++ > 100) {
+                       DRM_ERROR("stuck trying to change perf mode\n");
+                       break;
+               }
+               msleep(1);
+       }
+       msleep(1);
+
+       rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+               (fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+       I915_WRITE(MEMSWCTL, rgvswctl);
+       POSTING_READ(MEMSWCTL);
+
+       rgvswctl |= MEMCTL_CMD_STS;
+       I915_WRITE(MEMSWCTL, rgvswctl);
+}
+
+void ironlake_disable_drps(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       u32 rgvswctl;
+       u8 fstart;
+
+       /* Ack interrupts, disable EFC interrupt */
+       I915_WRITE(MEMINTREN, I915_READ(MEMINTREN) & ~MEMINT_EVAL_CHG_EN);
+       I915_WRITE(MEMINTRSTS, MEMINT_EVAL_CHG);
+       I915_WRITE(DEIER, I915_READ(DEIER) & ~DE_PCU_EVENT);
+       I915_WRITE(DEIIR, DE_PCU_EVENT);
+       I915_WRITE(DEIMR, I915_READ(DEIMR) | DE_PCU_EVENT);
+
+       /* Go back to the starting frequency */
+       fstart = (I915_READ(MEMMODECTL) & MEMMODE_FSTART_MASK) >>
+               MEMMODE_FSTART_SHIFT;
+       rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+               (fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+       I915_WRITE(MEMSWCTL, rgvswctl);
+       msleep(1);
+       rgvswctl |= MEMCTL_CMD_STS;
+       I915_WRITE(MEMSWCTL, rgvswctl);
+       msleep(1);
+
+}
+
 void intel_init_clock_gating(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4526,7 +4717,21 @@ void intel_init_clock_gating(struct drm_device *dev)
         * Disable clock gating reported to work incorrectly according to the
         * specs, but enable as much else as we can.
         */
-       if (IS_IGDNG(dev)) {
+       if (HAS_PCH_SPLIT(dev)) {
+               uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE;
+
+               if (IS_IRONLAKE(dev)) {
+                       /* Required for FBC */
+                       dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE;
+                       /* Required for CxSR */
+                       dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE;
+
+                       I915_WRITE(PCH_3DCGDIS0,
+                                  MARIUNIT_CLOCK_GATE_DISABLE |
+                                  SVSMUNIT_CLOCK_GATE_DISABLE);
+               }
+
+               I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);
                return;
        } else if (IS_G4X(dev)) {
                uint32_t dspclk_gate;
@@ -4570,37 +4775,27 @@ void intel_init_clock_gating(struct drm_device *dev)
         * GPU can automatically power down the render unit if given a page
         * to save state.
         */
-       if (I915_HAS_RC6(dev)) {
-               struct drm_gem_object *pwrctx;
-               struct drm_i915_gem_object *obj_priv;
-               int ret;
+       if (I915_HAS_RC6(dev) && drm_core_check_feature(dev, DRIVER_MODESET)) {
+               struct drm_i915_gem_object *obj_priv = NULL;
 
-               pwrctx = drm_gem_object_alloc(dev, 4096);
-               if (!pwrctx) {
-                       DRM_DEBUG("failed to alloc power context, RC6 disabled\n");
-                       goto out;
-               }
+               if (dev_priv->pwrctx) {
+                       obj_priv = dev_priv->pwrctx->driver_private;
+               } else {
+                       struct drm_gem_object *pwrctx;
 
-               ret = i915_gem_object_pin(pwrctx, 4096);
-               if (ret) {
-                       DRM_ERROR("failed to pin power context: %d\n", ret);
-                       drm_gem_object_unreference(pwrctx);
-                       goto out;
+                       pwrctx = intel_alloc_power_context(dev);
+                       if (pwrctx) {
+                               dev_priv->pwrctx = pwrctx;
+                               obj_priv = pwrctx->driver_private;
+                       }
                }
 
-               i915_gem_object_set_to_gtt_domain(pwrctx, 1);
-
-               obj_priv = pwrctx->driver_private;
-
-               I915_WRITE(PWRCTXA, obj_priv->gtt_offset | PWRCTX_EN);
-               I915_WRITE(MCHBAR_RENDER_STANDBY,
-                          I915_READ(MCHBAR_RENDER_STANDBY) & ~RCX_SW_EXIT);
-
-               dev_priv->pwrctx = pwrctx;
+               if (obj_priv) {
+                       I915_WRITE(PWRCTXA, obj_priv->gtt_offset | PWRCTX_EN);
+                       I915_WRITE(MCHBAR_RENDER_STANDBY,
+                                  I915_READ(MCHBAR_RENDER_STANDBY) & ~RCX_SW_EXIT);
+               }
        }
-
-out:
-       return;
 }
 
 /* Set up chip specific display functions */
@@ -4609,8 +4804,8 @@ static void intel_init_display(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
 
        /* We always want a DPMS function */
-       if (IS_IGDNG(dev))
-               dev_priv->display.dpms = igdng_crtc_dpms;
+       if (HAS_PCH_SPLIT(dev))
+               dev_priv->display.dpms = ironlake_crtc_dpms;
        else
                dev_priv->display.dpms = i9xx_crtc_dpms;
 
@@ -4629,13 +4824,13 @@ static void intel_init_display(struct drm_device *dev)
        }
 
        /* Returns the core display clock speed */
-       if (IS_I945G(dev) || (IS_G33(dev) && ! IS_IGDGM(dev)))
+       if (IS_I945G(dev) || (IS_G33(dev) && ! IS_PINEVIEW_M(dev)))
                dev_priv->display.get_display_clock_speed =
                        i945_get_display_clock_speed;
        else if (IS_I915G(dev))
                dev_priv->display.get_display_clock_speed =
                        i915_get_display_clock_speed;
-       else if (IS_I945GM(dev) || IS_845G(dev) || IS_IGDGM(dev))
+       else if (IS_I945GM(dev) || IS_845G(dev) || IS_PINEVIEW_M(dev))
                dev_priv->display.get_display_clock_speed =
                        i9xx_misc_get_display_clock_speed;
        else if (IS_I915GM(dev))
@@ -4652,7 +4847,7 @@ static void intel_init_display(struct drm_device *dev)
                        i830_get_display_clock_speed;
 
        /* For FIFO watermark updates */
-       if (IS_IGDNG(dev))
+       if (HAS_PCH_SPLIT(dev))
                dev_priv->display.update_wm = NULL;
        else if (IS_G4X(dev))
                dev_priv->display.update_wm = g4x_update_wm;
@@ -4711,11 +4906,6 @@ void intel_modeset_init(struct drm_device *dev)
        DRM_DEBUG_KMS("%d display pipe%s available.\n",
                  num_pipe, num_pipe > 1 ? "s" : "");
 
-       if (IS_I85X(dev))
-               pci_read_config_word(dev->pdev, HPLLCC, &dev_priv->orig_clock);
-       else if (IS_I9XX(dev) || IS_G4X(dev))
-               pci_read_config_word(dev->pdev, GCFGC, &dev_priv->orig_clock);
-
        for (i = 0; i < num_pipe; i++) {
                intel_crtc_init(dev, i);
        }
@@ -4724,11 +4914,21 @@ void intel_modeset_init(struct drm_device *dev)
 
        intel_init_clock_gating(dev);
 
+       if (IS_IRONLAKE_M(dev))
+               ironlake_enable_drps(dev);
+
        INIT_WORK(&dev_priv->idle_work, intel_idle_update);
        setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
                    (unsigned long)dev);
 
        intel_setup_overlay(dev);
+
+       if (IS_PINEVIEW(dev) && !intel_get_cxsr_latency(IS_PINEVIEW_G(dev),
+                                                       dev_priv->fsb_freq,
+                                                       dev_priv->mem_freq))
+               DRM_INFO("failed to find known CxSR latency "
+                        "(found fsb freq %d, mem freq %d), disabling CxSR\n",
+                        dev_priv->fsb_freq, dev_priv->mem_freq);
 }
 
 void intel_modeset_cleanup(struct drm_device *dev)
@@ -4749,7 +4949,6 @@ void intel_modeset_cleanup(struct drm_device *dev)
                del_timer_sync(&intel_crtc->idle_timer);
        }
 
-       intel_increase_renderclock(dev, false);
        del_timer_sync(&dev_priv->idle_timer);
 
        if (dev_priv->display.disable_fbc)
@@ -4765,6 +4964,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
                drm_gem_object_unreference(dev_priv->pwrctx);
        }
 
+       if (IS_IRONLAKE_M(dev))
+               ironlake_disable_drps(dev);
+
        mutex_unlock(&dev->struct_mutex);
 
        drm_mode_config_cleanup(dev);