[igt-dev] [PATCH i-g-t 1/5] lib/rendercopy: Add support for Yf/Ys tiling to gen9 rendercopy

Ville Syrjala
2018-10-30T16:20:41Z

Set up the surface state accordingly to support Yf/Ys tiling.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
lib/gen8_render.h | 6 ++++--
lib/rendercopy_gen9.c | 8 +++++++-
2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/lib/gen8_render.h b/lib/gen8_render.h
index c62047d86b25..372c52679861 100644
--- a/lib/gen8_render.h
+++ b/lib/gen8_render.h
@@ -121,9 +121,11 @@ struct gen8_surface_state
struct {
uint32_t mip_count:4;
uint32_t min_lod:4;
- uint32_t pad3:6;
+ uint32_t mip_tail_start_lod:4; /* gen9+ */
+ uint32_t pad3:2;
uint32_t coherency_type:1;
- uint32_t pad2:5;
+ uint32_t pad2:3;
+ uint32_t trmode:2; /* gen9+ */
uint32_t ewa_disable_for_cube:1;
uint32_t y_offset:3;
uint32_t pad0:1;
diff --git a/lib/rendercopy_gen9.c b/lib/rendercopy_gen9.c
index adbd8124e082..1bebc164d4ab 100644
--- a/lib/rendercopy_gen9.c
+++ b/lib/rendercopy_gen9.c
@@ -199,9 +199,15 @@ gen8_bind_buf(struct intel_batchbuffer *batch, const struct igt_buf *buf,
ss->ss0.horizontal_alignment = 1; /* align 4 */
if (buf->tiling == I915_TILING_X)
ss->ss0.tiled_mode = 2;
- else if (buf->tiling == I915_TILING_Y)
+ else if (buf->tiling != I915_TILING_NONE)
ss->ss0.tiled_mode = 3;

+ if (buf->tiling == I915_TILING_Yf)
+ ss->ss5.trmode = 1;
+ else if (buf->tiling == I915_TILING_Ys)
+ ss->ss5.trmode = 2;
+ ss->ss5.mip_tail_start_lod = 1; /* needed with trmode */
+
ss->ss8.base_addr = buf->bo->offset64;
ss->ss9.base_addr_hi = buf->bo->offset64 >> 32;