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authorChris Wilson <chris@chris-wilson.co.uk>2018-07-07 11:04:05 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2018-07-09 11:02:36 +0100
commite147913247e3a7ea98e72e8537336bcea06c2405 (patch)
tree9353ea5226af662b3d91a0bdb54ffafa0f5832d1 /drivers/gpu/drm/i915/selftests/i915_gem_object.c
parent890fd185d53037d05d10a0825950c4b038e39d4a (diff)
drm/i915/selftests: Magic numbers for old Y-tiling
i915g has a slightly different tiling layout, and so requires a different reference swizzle pattern. Testcase: igt/drv_selftests/live_objects #gdg Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180707100405.817-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_gem_object.c')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_object.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index 25c2b2d433bd..f4a5099c75b5 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -169,9 +169,16 @@ static u64 tiled_offset(const struct tile *tile, u64 v)
v += y * tile->width;
v += div64_u64_rem(x, tile->width, &x) << tile->size;
v += x;
- } else {
+ } else if (tile->width == 128) {
const unsigned int ytile_span = 16;
- const unsigned int ytile_height = 32 * ytile_span;
+ const unsigned int ytile_height = 512;
+
+ v += y * ytile_span;
+ v += div64_u64_rem(x, ytile_span, &x) * ytile_height;
+ v += x;
+ } else {
+ const unsigned int ytile_span = 32;
+ const unsigned int ytile_height = 256;
v += y * ytile_span;
v += div64_u64_rem(x, ytile_span, &x) * ytile_height;