Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: tune down the noise of the RP irq limit fail
  drm/i915: Remove the error message for unbinding pinned buffers
  drm/i915: Limit page allocations to lowmem (dma32) for i965
  drm/i915: always use RPNSWREQ for turbo change requests
  drm/i915: reject doubleclocked cea modes on dp
  drm/i915: Adding TV Out Missing modes.
  drm/i915: wait for a vblank to pass after tv detect
  drm/i915: no lvds quirk for HP t5740e Thin Client
  drm/i915: enable vdd when switching off the eDP panel
  drm/i915: Fix PCH PLL assertions to not assume CRTC:PLL relationship
  drm/i915: Always update RPS interrupts thresholds along with frequency
  drm/i915: properly handle interlaced bit for sdvo dtd conversion
  drm/i915: fix module unload since error_state rework
  drm/i915: be more careful when returning -ENXIO in gmbus transfer

11 files changed, 197 insertions, 101 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index eb2b3c25b9e1..5363e9c66c27 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2032,6 +2032,8 @@ void i915_debugfs_cleanup(struct drm_minor *minor)
                                  1, minor);
         drm_debugfs_remove_files((struct drm_info_list *) &i915_ring_stop_fops,
                                  1, minor);
+        drm_debugfs_remove_files((struct drm_info_list *) &i915_error_state_fops,
+                                 1, minor);
 }
 
 #endif /* CONFIG_DEBUG_FS */
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c1e5c66553df..288d7b8f49ae 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2063,10 +2063,8 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
         if (obj->gtt_space == NULL)
                 return 0;
 
-        if (obj->pin_count != 0) {
-                DRM_ERROR("Attempting to unbind pinned buffer\n");
-                return -EINVAL;
-        }
+        if (obj->pin_count)
+                return -EBUSY;
 
         ret = i915_gem_object_finish_gpu(obj);
         if (ret)
@@ -3293,6 +3291,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
         struct drm_i915_private *dev_priv = dev->dev_private;
         struct drm_i915_gem_object *obj;
         struct address_space *mapping;
+        u32 mask;
 
         obj = kzalloc(sizeof(*obj), GFP_KERNEL);
         if (obj == NULL)
@@ -3303,8 +3302,15 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
                 return NULL;
         }
 
+        mask = GFP_HIGHUSER | __GFP_RECLAIMABLE;
+        if (IS_CRESTLINE(dev) || IS_BROADWATER(dev)) {
+                /* 965gm cannot relocate objects above 4GiB. */
+                mask &= ~__GFP_HIGHMEM;
+                mask |= __GFP_DMA32;
+        }
+
         mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
-        mapping_set_gfp_mask(mapping, GFP_HIGHUSER | __GFP_RECLAIMABLE);
+        mapping_set_gfp_mask(mapping, mask);
 
         i915_gem_info_add_obj(dev_priv, size);
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index cc4a63307611..1417660a93ec 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -350,8 +350,8 @@ static void gen6_pm_rps_work(struct work_struct *work)
 {
         drm_i915_private_t *dev_priv = container_of(work, drm_i915_private_t,
                                                     rps_work);
-        u8 new_delay = dev_priv->cur_delay;
         u32 pm_iir, pm_imr;
+        u8 new_delay;
 
         spin_lock_irq(&dev_priv->rps_lock);
         pm_iir = dev_priv->pm_iir;
@@ -360,41 +360,18 @@ static void gen6_pm_rps_work(struct work_struct *work)
         I915_WRITE(GEN6_PMIMR, 0);
         spin_unlock_irq(&dev_priv->rps_lock);
 
-        if (!pm_iir)
+        if ((pm_iir & GEN6_PM_DEFERRED_EVENTS) == 0)
                 return;
 
         mutex_lock(&dev_priv->dev->struct_mutex);
-        if (pm_iir & GEN6_PM_RP_UP_THRESHOLD) {
-                if (dev_priv->cur_delay != dev_priv->max_delay)
-                        new_delay = dev_priv->cur_delay + 1;
-                if (new_delay > dev_priv->max_delay)
-                        new_delay = dev_priv->max_delay;
-        } else if (pm_iir & (GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_DOWN_TIMEOUT)) {
-                gen6_gt_force_wake_get(dev_priv);
-                if (dev_priv->cur_delay != dev_priv->min_delay)
-                        new_delay = dev_priv->cur_delay - 1;
-                if (new_delay < dev_priv->min_delay) {
-                        new_delay = dev_priv->min_delay;
-                        I915_WRITE(GEN6_RP_INTERRUPT_LIMITS,
-                                   I915_READ(GEN6_RP_INTERRUPT_LIMITS) |
-                                   ((new_delay << 16) & 0x3f0000));
-                } else {
-                        /* Make sure we continue to get down interrupts
-                         * until we hit the minimum frequency */
-                        I915_WRITE(GEN6_RP_INTERRUPT_LIMITS,
-                                   I915_READ(GEN6_RP_INTERRUPT_LIMITS) & ~0x3f0000);
-                }
-                gen6_gt_force_wake_put(dev_priv);
-        }
+
+        if (pm_iir & GEN6_PM_RP_UP_THRESHOLD)
+                new_delay = dev_priv->cur_delay + 1;
+        else
+                new_delay = dev_priv->cur_delay - 1;
 
         gen6_set_rps(dev_priv->dev, new_delay);
-        dev_priv->cur_delay = new_delay;
 
-        /*
-         * rps_lock not held here because clearing is non-destructive. There is
-         * an *extremely* unlikely race with gen6_rps_enable() that is prevented
-         * by holding struct_mutex for the duration of the write.
-         */
         mutex_unlock(&dev_priv->dev->struct_mutex);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ee61ad1e642b..914789420906 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -910,9 +910,10 @@ static void assert_pll(struct drm_i915_private *dev_priv,
 
 /* For ILK+ */
 static void assert_pch_pll(struct drm_i915_private *dev_priv,
-                           struct intel_crtc *intel_crtc, bool state)
+                           struct intel_pch_pll *pll,
+                           struct intel_crtc *crtc,
+                           bool state)
 {
-        int reg;
         u32 val;
         bool cur_state;
 
@@ -921,30 +922,37 @@ static void assert_pch_pll(struct drm_i915_private *dev_priv,
                 return;
         }
 
-        if (!intel_crtc->pch_pll) {
-                WARN(1, "asserting PCH PLL enabled with no PLL\n");
+        if (WARN (!pll,
+                  "asserting PCH PLL %s with no PLL\n", state_string(state)))
                 return;
-        }
 
-        if (HAS_PCH_CPT(dev_priv->dev)) {
+        val = I915_READ(pll->pll_reg);
+        cur_state = !!(val & DPLL_VCO_ENABLE);
+        WARN(cur_state != state,
+             "PCH PLL state for reg %x assertion failure (expected %s, current %s), val=%08x\n",
+             pll->pll_reg, state_string(state), state_string(cur_state), val);
+
+        /* Make sure the selected PLL is correctly attached to the transcoder */
+        if (crtc && HA