Lookup the GGTT vma once for the object assigned to the fence, and then
derive everything from that vma.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_fence.c | 55 +++++++++++++++++------------------
1 file changed, 26 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c
index 9e8173fe2a09..1d0f975c61f8 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence.c
@@ -85,22 +85,19 @@ static void i965_write_fence_reg(struct drm_device *dev, int reg,
POSTING_READ(fence_reg_lo);
if (obj) {
- u32 size = i915_gem_obj_ggtt_size(obj);
+ struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
unsigned int tiling = i915_gem_object_get_tiling(obj);
unsigned int stride = i915_gem_object_get_stride(obj);
- uint64_t val;
+ u64 size = vma->node.size;
+ u32 row_size = stride * (tiling == I915_TILING_Y ? 32 : 8);
+ u64 val;
/* Adjust fence size to match tiled area */
- if (tiling != I915_TILING_NONE) {
- uint32_t row_size = stride *
- (tiling == I915_TILING_Y ? 32 : 8);
- size = (size / row_size) * row_size;
- }
+ size = rounddown(size, row_size);
- val = (uint64_t)((i915_gem_obj_ggtt_offset(obj) + size - 4096) &
- 0xfffff000) << 32;
- val |= i915_gem_obj_ggtt_offset(obj) & 0xfffff000;
- val |= (uint64_t)((stride / 128) - 1) << fence_pitch_shift;
+ val = ((vma->node.start + size - 4096) & 0xfffff000) << 32;
+ val |= vma->node.start & 0xfffff000;
+ val |= (u64)((stride / 128) - 1) << fence_pitch_shift;
if (tiling == I915_TILING_Y)
val |= 1 << I965_FENCE_TILING_Y_SHIFT;
val |= I965_FENCE_REG_VALID;
@@ -123,17 +120,17 @@ static void i915_write_fence_reg(struct drm_device *dev, int reg,
u32 val;
if (obj) {
- u32 size = i915_gem_obj_ggtt_size(obj);
+ struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
unsigned int tiling = i915_gem_object_get_tiling(obj);
unsigned int stride = i915_gem_object_get_stride(obj);
int pitch_val;
int tile_width;
- WARN((i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK) ||
- (size & -size) != size ||
- (i915_gem_obj_ggtt_offset(obj) & (size - 1)),
- "object 0x%08llx [fenceable? %d] not 1M or pot-size (0x%08x) aligned\n",
- i915_gem_obj_ggtt_offset(obj), obj->map_and_fenceable, size);
+ WARN((vma->node.start & ~I915_FENCE_START_MASK) ||
+ !is_power_of_2(vma->node.size) ||
+ (vma->node.start & (vma->node.size - 1)),
+ "object 0x%08llx [fenceable? %d] not 1M or pot-size (0x%08llx) aligned\n",
+ vma->node.start, obj->map_and_fenceable, vma->node.size);
if (tiling == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))
tile_width = 128;
@@ -144,10 +141,10 @@ static void i915_write_fence_reg(struct drm_device *dev, int reg,
pitch_val = stride / tile_width;
pitch_val = ffs(pitch_val) - 1;
- val = i915_gem_obj_ggtt_offset(obj);
+ val = vma->node.start;
if (tiling == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
- val |= I915_FENCE_SIZE_BITS(size);
+ val |= I915_FENCE_SIZE_BITS(vma->node.size);
val |= pitch_val << I830_FENCE_PITCH_SHIFT;
val |= I830_FENCE_REG_VALID;
} else
@@ -161,27 +158,27 @@ static void i830_write_fence_reg(struct drm_device *dev, int reg,
struct drm_i915_gem_object *obj)
{
struct drm_i915_private *dev_priv = to_i915(dev);
- uint32_t val;
+ u32 val;
if (obj) {
- u32 size = i915_gem_obj_ggtt_size(obj);
+ struct i915_vma *vma = i915_gem_obj_to_ggtt(obj);
unsigned int tiling = i915_gem_object_get_tiling(obj);
unsigned int stride = i915_gem_object_get_stride(obj);
- uint32_t pitch_val;
+ u32 pitch_val;
- WARN((i915_gem_obj_ggtt_offset(obj) & ~I830_FENCE_START_MASK) ||
- (size & -size) != size ||
- (i915_gem_obj_ggtt_offset(obj) & (size - 1)),
- "object 0x%08llx not 512K or pot-size 0x%08x aligned\n",
- i915_gem_obj_ggtt_offset(obj), size);
+ WARN((vma->node.start & ~I830_FENCE_START_MASK) ||
+ !is_power_of_2(vma->node.size) ||
+ (vma->node.start & (vma->node.size - 1)),
+ "object 0x%08llx not 512K or pot-size 0x%08llx aligned\n",
+ vma->node.start, vma->node.size);
pitch_val = stride / 128;
pitch_val = ffs(pitch_val) - 1;
- val = i915_gem_obj_ggtt_offset(obj);
+ val = vma->node.start;
if (tiling == I915_TILING_Y)
val |= 1 << I830_FENCE_TILING_Y_SHIFT;
- val |= I830_FENCE_SIZE_BITS(size);
+ val |= I830_FENCE_SIZE_BITS(vma->node.size);
val |= pitch_val << I830_FENCE_PITCH_SHIFT;
val |= I830_FENCE_REG_VALID;
} else
--
2.8.1
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