Merge tag 'drm-intel-next-2015-10-10' of git://anongit.freedesktop.org/drm-intel into drm-next

- dmc fixes from Animesh (not yet all) for deeper sleep states
- piles of prep patches from Ville to make mmio functions type-safe
- more fbc work from Paulo all over
- w/a shuffling from Arun Siluvery
- first part of atomic watermark updates from Matt and Ville (later parts had to
  be dropped again unfortunately)
- lots of patches to prepare bxt dsi support ( Shashank Sharma)
- userptr fixes from Chris
- audio rate interface between i915/snd_hda plus kerneldoc (Libin Yang)
- shrinker improvements and fixes (Chris Wilson)
- lots and lots of small patches all over

* tag 'drm-intel-next-2015-10-10' of git://anongit.freedesktop.org/drm-intel: (134 commits)
  drm/i915: Update DRIVER_DATE to 20151010
  drm/i915: Partial revert of atomic watermark series
  drm/i915: Early exit from semaphore_waits_for for execlist mode.
  drm/i915: Remove wrong warning from i915_gem_context_clean
  drm/i915: Determine the stolen memory base address on gen2
  drm/i915: fix FBC buffer size checks
  drm/i915: fix CFB size calculation
  drm/i915: remove pre-atomic check from SKL update_primary_plane
  drm/i915: don't allocate fbcon from stolen memory if it's too big
  Revert "drm/i915: Call encoder hotplug for init and resume cases"
  Revert "drm/i915: Add hot_plug hook for hdmi encoder"
  drm/i915: use error path
  drm/i915/irq: Fix misspelled word register in kernel-doc
  drm/i915/irq: Fix kernel-doc warnings
  drm/i915: Hook up ring workaround writes at context creation time on Gen6-7.
  drm/i915: Don't warn if the workaround list is empty.
  drm/i915: Resurrect golden context on gen6/7
  drm/i915/chv: remove pre-production hardware workarounds
  drm/i915/snb: remove pre-production hardware workaround
  drm/i915/bxt: Set time interval unit to 0.833us
  ...

1 files changed, 18 insertions, 23 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c
index ab80f7370ab7..40a10b25956c 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence.c
@@ -59,19 +59,19 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
 				 struct drm_i915_gem_object *obj)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int fence_reg;
+	int fence_reg_lo, fence_reg_hi;
 	int fence_pitch_shift;
 
 	if (INTEL_INFO(dev)->gen >= 6) {
-		fence_reg = FENCE_REG_SANDYBRIDGE_0;
-		fence_pitch_shift = SANDYBRIDGE_FENCE_PITCH_SHIFT;
+		fence_reg_lo = FENCE_REG_GEN6_LO(reg);
+		fence_reg_hi = FENCE_REG_GEN6_HI(reg);
+		fence_pitch_shift = GEN6_FENCE_PITCH_SHIFT;
 	} else {
-		fence_reg = FENCE_REG_965_0;
+		fence_reg_lo = FENCE_REG_965_LO(reg);
+		fence_reg_hi = FENCE_REG_965_HI(reg);
 		fence_pitch_shift = I965_FENCE_PITCH_SHIFT;
 	}
 
-	fence_reg += reg * 8;
-
 	/* To w/a incoherency with non-atomic 64-bit register updates,
 	 * we split the 64-bit update into two 32-bit writes. In order
 	 * for a partial fence not to be evaluated between writes, we
@@ -81,8 +81,8 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
 	 * For extra levels of paranoia, we make sure each step lands
 	 * before applying the next step.
 	 */
-	I915_WRITE(fence_reg, 0);
-	POSTING_READ(fence_reg);
+	I915_WRITE(fence_reg_lo, 0);
+	POSTING_READ(fence_reg_lo);
 
 	if (obj) {
 		u32 size = i915_gem_obj_ggtt_size(obj);
@@ -103,14 +103,14 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
 			val |= 1 << I965_FENCE_TILING_Y_SHIFT;
 		val |= I965_FENCE_REG_VALID;
 
-		I915_WRITE(fence_reg + 4, val >> 32);
-		POSTING_READ(fence_reg + 4);
+		I915_WRITE(fence_reg_hi, val >> 32);
+		POSTING_READ(fence_reg_hi);
 
-		I915_WRITE(fence_reg + 0, val);
-		POSTING_READ(fence_reg);
+		I915_WRITE(fence_reg_lo, val);
+		POSTING_READ(fence_reg_lo);
 	} else {
-		I915_WRITE(fence_reg + 4, 0);
-		POSTING_READ(fence_reg + 4);
+		I915_WRITE(fence_reg_hi, 0);
+		POSTING_READ(fence_reg_hi);
 	}
 }
 
@@ -149,13 +149,8 @@ static void i915_write_fence_reg(struct drm_device *dev, int reg,
 	} else
 		val = 0;
 
-	if (reg < 8)
-		reg = FENCE_REG_830_0 + reg * 4;
-	else
-		reg = FENCE_REG_945_8 + (reg - 8) * 4;
-
-	I915_WRITE(reg, val);
-	POSTING_READ(reg);
+	I915_WRITE(FENCE_REG(reg), val);
+	POSTING_READ(FENCE_REG(reg));
 }
 
 static void i830_write_fence_reg(struct drm_device *dev, int reg,
@@ -186,8 +181,8 @@ static void i830_write_fence_reg(struct drm_device *dev, int reg,
 	} else
 		val = 0;
 
-	I915_WRITE(FENCE_REG_830_0 + reg * 4, val);
-	POSTING_READ(FENCE_REG_830_0 + reg * 4);
+	I915_WRITE(FENCE_REG(reg), val);
+	POSTING_READ(FENCE_REG(reg));
 }
 
 inline static bool i915_gem_object_needs_mb(struct drm_i915_gem_object *obj)