1 files changed, 2 insertions, 59 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 002612fae717..0cf44d6e9deb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -70,8 +70,6 @@ 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
@@ -274,9 +272,6 @@ 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);
 
@@ -299,7 +294,6 @@ 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 = {
@@ -314,7 +308,6 @@ 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 = {
@@ -329,7 +322,6 @@ 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 = {
@@ -347,7 +339,6 @@ 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*/
@@ -365,7 +356,6 @@ 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 = {
@@ -382,7 +372,6 @@ 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 = {
@@ -407,7 +396,6 @@ 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 = {
@@ -432,7 +420,6 @@ 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 = {
@@ -470,7 +457,6 @@ static const intel_limit_t intel_limits_pineview_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_pineview_lvds = {
@@ -486,7 +472,6 @@ static const intel_limit_t intel_limits_pineview_lvds = {
         .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_ironlake_sdvo = {
@@ -768,46 +753,6 @@ 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 Pineview */
-                        if (clock.m2 >= clock.m1 && !IS_PINEVIEW(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)
@@ -2910,10 +2855,8 @@ 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);