From 56c844e539f1f6f5768c5f73f119e6f4aed9d320 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Mon, 7 Jan 2013 21:47:34 +0200 Subject: [PATCH] drm/i915: merge {i965, sandybridge}_write_fence_reg() The two functions are rather similar, so merge them. Signed-off-by: Imre Deak Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_gem.c | 44 +++++++++++---------------------- 1 file changed, 15 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 2166b61053c6..718574eb66de 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2507,52 +2507,38 @@ int i915_gpu_idle(struct drm_device *dev) return 0; } -static void sandybridge_write_fence_reg(struct drm_device *dev, int reg, - struct drm_i915_gem_object *obj) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - uint64_t val; - - if (obj) { - u32 size = obj->gtt_space->size; - - val = (uint64_t)((obj->gtt_offset + size - 4096) & - 0xfffff000) << 32; - val |= obj->gtt_offset & 0xfffff000; - val |= (uint64_t)((obj->stride / 128) - 1) << - SANDYBRIDGE_FENCE_PITCH_SHIFT; - - if (obj->tiling_mode == I915_TILING_Y) - val |= 1 << I965_FENCE_TILING_Y_SHIFT; - val |= I965_FENCE_REG_VALID; - } else - val = 0; - - I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + reg * 8, val); - POSTING_READ(FENCE_REG_SANDYBRIDGE_0 + reg * 8); -} - static void i965_write_fence_reg(struct drm_device *dev, int reg, struct drm_i915_gem_object *obj) { drm_i915_private_t *dev_priv = dev->dev_private; + int fence_reg; + int fence_pitch_shift; uint64_t val; + if (INTEL_INFO(dev)->gen >= 6) { + fence_reg = FENCE_REG_SANDYBRIDGE_0; + fence_pitch_shift = SANDYBRIDGE_FENCE_PITCH_SHIFT; + } else { + fence_reg = FENCE_REG_965_0; + fence_pitch_shift = I965_FENCE_PITCH_SHIFT; + } + if (obj) { u32 size = obj->gtt_space->size; val = (uint64_t)((obj->gtt_offset + size - 4096) & 0xfffff000) << 32; val |= obj->gtt_offset & 0xfffff000; - val |= ((obj->stride / 128) - 1) << I965_FENCE_PITCH_SHIFT; + val |= (uint64_t)((obj->stride / 128) - 1) << fence_pitch_shift; if (obj->tiling_mode == I915_TILING_Y) val |= 1 << I965_FENCE_TILING_Y_SHIFT; val |= I965_FENCE_REG_VALID; } else val = 0; - I915_WRITE64(FENCE_REG_965_0 + reg * 8, val); - POSTING_READ(FENCE_REG_965_0 + reg * 8); + fence_reg += reg * 8; + I915_WRITE64(fence_reg, val); + POSTING_READ(fence_reg); } static void i915_write_fence_reg(struct drm_device *dev, int reg, @@ -2636,7 +2622,7 @@ static void i915_gem_write_fence(struct drm_device *dev, int reg, { switch (INTEL_INFO(dev)->gen) { case 7: - case 6: sandybridge_write_fence_reg(dev, reg, obj); break; + case 6: case 5: case 4: i965_write_fence_reg(dev, reg, obj); break; case 3: i915_write_fence_reg(dev, reg, obj); break; -- 2.20.1