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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-09-21 18:05:14 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-30 10:20:03 +0200
commiteecf613a432c663d206a11c2543e9cca2ddc3aba (patch)
tree34178f1246de4bd345ee26e8f38b7f0b7dc9a170 /drivers/gpu/drm/i915/i915_gem_fence.c
parent9c58a049566566a8dc5aa1874ddfb3d32f954260 (diff)
drm/i915: Parametrize fence registers
v2: Hide the 945 vs. rest of gen2/3 difference in the macro Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_fence.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_fence.c41
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 6077dffb318a..1cbfd5b83135 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)