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sna: Compute aligned tiled heights for gen2 correctly 

We were underestimating the height of X-tiled surfaces (and less
harmfully overestimating the height of Y-tiled surfaces.)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-07-06 12:44:08 +01:00
parent d6afd66461
commit f6573fe757
1 changed files with 6 additions and 3 deletions
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9
src/sna/kgem.c
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@ -452,11 +452,14 @@ static uint32_t kgem_surface_size(struct kgem *kgem,
return tile_width;
}
static uint32_t kgem_aligned_height(uint32_t height, uint32_t tiling)
static uint32_t kgem_aligned_height(struct kgem *kgem,
uint32_t height, uint32_t tiling)
{
uint32_t tile_height;
switch (tiling) {
if (kgem->gen < 30) {
tile_height = tiling ? 16 : 2;
} else switch (tiling) {
default:
case I915_TILING_NONE:
tile_height = 2;
@ -1311,7 +1314,7 @@ struct kgem_bo *kgem_create_2d(struct kgem *kgem,
goto skip_active_search;
for (i = 0; i <= I915_TILING_Y; i++)
tiled_height[i] = kgem_aligned_height(height, i);
tiled_height[i] = kgem_aligned_height(kgem, height, i);
search = 0;
/* Best active match first */