[PATCH i-g-t v5 2/6] lib/intel_blt: Update calculation of ccs_size and size_of_ctrl_copy
Akshata Jahagirdar
akshata.jahagirdar at intel.com
Tue Dec 12 17:39:24 UTC 2023
The Main-to-CCS Ratio for XE2 has been changed to 512:1.
Update the CCS_RATIO macro to select relevant ratio based on platform.
Signed-off-by: Akshata Jahagirdar <akshata.jahagirdar at intel.com>
---
lib/intel_blt.c | 15 +++++++++------
lib/intel_blt.h | 2 +-
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/lib/intel_blt.c b/lib/intel_blt.c
index 1116c978e..5399be20a 100644
--- a/lib/intel_blt.c
+++ b/lib/intel_blt.c
@@ -948,15 +948,16 @@ int blt_block_copy(int fd,
return ret;
}
-static uint16_t __ccs_size(const struct blt_ctrl_surf_copy_data *surf)
+static uint16_t __ccs_size(int fd, const struct blt_ctrl_surf_copy_data *surf)
{
uint32_t src_size, dst_size;
+ uint16_t ccsratio = CCS_RATIO(fd);
src_size = surf->src.access_type == DIRECT_ACCESS ?
- surf->src.size : surf->src.size / CCS_RATIO;
+ surf->src.size : surf->src.size / ccsratio;
dst_size = surf->dst.access_type == DIRECT_ACCESS ?
- surf->dst.size : surf->dst.size / CCS_RATIO;
+ surf->dst.size : surf->dst.size / ccsratio;
igt_assert_f(src_size <= dst_size, "dst size must be >= src size for CCS copy\n");
@@ -1118,6 +1119,8 @@ uint64_t emit_blt_ctrl_surf_copy(int fd,
uint64_t dst_offset, src_offset, bb_offset, alignment;
uint32_t bbe = MI_BATCH_BUFFER_END;
uint32_t *bb;
+ uint16_t num_ccs_blocks = (ip_ver >= IP_VER(20, 0)) ?
+ (xe_get_default_alignment(fd) / CCS_RATIO(fd)) : CCS_RATIO(fd);
igt_assert_f(ahnd, "ctrl-surf-copy supports softpin only\n");
igt_assert_f(surf, "ctrl-surf-copy requires data to do ctrl-surf-copy blit\n");
@@ -1136,7 +1139,7 @@ uint64_t emit_blt_ctrl_surf_copy(int fd,
data.xe2.dw00.dst_access_type = surf->dst.access_type;
/* Ensure dst has size capable to keep src ccs aux */
- data.xe2.dw00.size_of_ctrl_copy = __ccs_size(surf) / CCS_RATIO - 1;
+ data.xe2.dw00.size_of_ctrl_copy = __ccs_size(fd, surf) / num_ccs_blocks - 1;
data.xe2.dw00.length = 0x3;
data.xe2.dw01.src_address_lo = src_offset;
@@ -1155,7 +1158,7 @@ uint64_t emit_blt_ctrl_surf_copy(int fd,
data.gen12.dw00.dst_access_type = surf->dst.access_type;
/* Ensure dst has size capable to keep src ccs aux */
- data.gen12.dw00.size_of_ctrl_copy = __ccs_size(surf) / CCS_RATIO - 1;
+ data.gen12.dw00.size_of_ctrl_copy = __ccs_size(fd, surf) / num_ccs_blocks - 1;
data.gen12.dw00.length = 0x3;
data.gen12.dw01.src_address_lo = src_offset;
@@ -1808,7 +1811,7 @@ blt_create_object(const struct blt_copy_data *blt, uint32_t region,
flags |= DRM_XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM;
size = ALIGN(size, xe_get_default_alignment(blt->fd));
- handle = xe_bo_create(blt->fd, 0, size, region, flags);
+ handle = xe_bo_create_flags(blt->fd, 0, size, region);
} else {
igt_assert(__gem_create_in_memory_regions(blt->fd, &handle,
&size, region) == 0);
diff --git a/lib/intel_blt.h b/lib/intel_blt.h
index 5934ccd67..69eb2195f 100644
--- a/lib/intel_blt.h
+++ b/lib/intel_blt.h
@@ -52,7 +52,7 @@
#include "igt.h"
#include "intel_cmds_info.h"
-#define CCS_RATIO 256
+#define CCS_RATIO(xe) (AT_LEAST_GEN(intel_get_drm_devid(xe), 20) ? 512 : 256)
enum blt_color_depth {
CD_8bit,
--
2.34.1
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