[PATCH v3 4/4] lib/gpgpu_shader: add support for Xe3 platforms
Andrzej Hajda
andrzej.hajda at intel.com
Thu Nov 21 17:12:52 UTC 2024
Xe3 platforms disallow indirect load/store addressing. Surface descriptor
must be passed in 2DBlock payload. Use for it inline data passed from
thread dispatcher.
Signed-off-by: Andrzej Hajda <andrzej.hajda at intel.com>
---
lib/gpgpu_shader.c | 20 +++++++++++++-------
lib/iga64_generated_codes.c | 13 ++++++++-----
lib/iga64_macros.h | 37 +++++++++++++++++++++++++++++++++----
3 files changed, 54 insertions(+), 16 deletions(-)
diff --git a/lib/gpgpu_shader.c b/lib/gpgpu_shader.c
index 518423158880..27e8be6b37e2 100644
--- a/lib/gpgpu_shader.c
+++ b/lib/gpgpu_shader.c
@@ -210,6 +210,17 @@ __xehp_gpgpu_execfunc(struct intel_bb *ibb,
engine | I915_EXEC_NO_RELOC, false);
}
+static void gpgpu_alloc_gpu_addr(int fd, struct intel_buf *target)
+{
+ uint64_t ahnd;
+
+ ahnd = intel_allocator_open_full(fd, 0, 0, 0, INTEL_ALLOCATOR_SIMPLE,
+ ALLOC_STRATEGY_LOW_TO_HIGH, 0);
+ target->addr.offset = intel_allocator_alloc(ahnd, target->handle,
+ target->surface[0].size, 0);
+ intel_allocator_close(ahnd);
+}
+
/**
* gpgpu_shader_exec:
* @ibb: pointer to initialized intel_bb
@@ -231,17 +242,12 @@ void gpgpu_shader_exec(struct intel_bb *ibb,
struct gpgpu_shader *sip,
uint64_t ring, bool explicit_engine)
{
- uint64_t ahnd;
-
igt_require(shdr->gen_ver >= SUPPORTED_GEN_VER);
igt_assert(ibb->size >= PAGE_SIZE);
igt_assert(ibb->ptr == ibb->batch);
- ahnd = intel_allocator_open_full(ibb->fd, 0, 0, 0, INTEL_ALLOCATOR_SIMPLE,
- ALLOC_STRATEGY_LOW_TO_HIGH, 0);
- target->addr.offset = intel_allocator_alloc(ahnd, target->handle,
- target->surface[0].size, 0);
- intel_allocator_close(ahnd);
+ if (target->addr.offset == INTEL_BUF_INVALID_ADDRESS)
+ gpgpu_alloc_gpu_addr(ibb->fd, target);
if (shdr->gen_ver >= 1250)
__xehp_gpgpu_execfunc(ibb, target, x_dim, y_dim, shdr, sip,
diff --git a/lib/iga64_generated_codes.c b/lib/iga64_generated_codes.c
index 04015b0b6d29..a12135e7dbfd 100644
--- a/lib/iga64_generated_codes.c
+++ b/lib/iga64_generated_codes.c
@@ -3,7 +3,7 @@
#include "gpgpu_shader.h"
-#define MD5_SUM_IGA64_ASMS da66be3cf9bec819a61429de75943011
+#define MD5_SUM_IGA64_ASMS 7b1db60d1de46cf35666f2a7f51e8fc2
struct iga64_template const iga64_code_gpgpu_fill[] = {
{ .gen_ver = 2000, .size = 44, .code = (const uint32_t []) {
@@ -80,10 +80,11 @@ struct iga64_template const iga64_code_gpgpu_fill[] = {
};
struct iga64_template const iga64_code_end_system_routine_step_if_eq[] = {
- { .gen_ver = 2000, .size = 44, .code = (const uint32_t []) {
+ { .gen_ver = 2000, .size = 48, .code = (const uint32_t []) {
0x80000966, 0x80018220, 0x02008000, 0x00008000,
0x80000965, 0x80118220, 0x02008010, 0xc0ded000,
0x800c0961, 0x1e054220, 0x00000000, 0x00000000,
+ 0x80000061, 0x1e554220, 0x00000000, 0x00000000,
0x80000061, 0x1e654220, 0x00000000, 0xc0ded000,
0x80000061, 0x1e754220, 0x00000000, 0x00000003,
0x80032031, 0x1f0c0000, 0xd0061e8c, 0x04000000,
@@ -484,13 +485,14 @@ struct iga64_template const iga64_code_media_block_write_aip[] = {
};
struct iga64_template const iga64_code_common_target_write[] = {
- { .gen_ver = 2000, .size = 48, .code = (const uint32_t []) {
+ { .gen_ver = 2000, .size = 52, .code = (const uint32_t []) {
0x80100061, 0x1f054220, 0x00000000, 0x00000000,
0x80000061, 0x1f054220, 0x00000000, 0xc0ded001,
0x80000061, 0x1f154220, 0x00000000, 0xc0ded002,
0x80000061, 0x1f254220, 0x00000000, 0xc0ded003,
0x80000061, 0x1f354220, 0x00000000, 0xc0ded004,
0x800c0061, 0x1e054220, 0x00000000, 0x00000000,
+ 0x80000061, 0x1e554220, 0x00000000, 0x00000000,
0x80000061, 0x1e654220, 0x00000000, 0xc0ded000,
0x80000061, 0x1e754220, 0x00000000, 0x0000000f,
0x80032031, 0x00000000, 0xd00e1e94, 0x04000000,
@@ -612,14 +614,15 @@ struct iga64_template const iga64_code_clear_r40[] = {
};
struct iga64_template const iga64_code_jump_dw_neq[] = {
- { .gen_ver = 2000, .size = 32, .code = (const uint32_t []) {
+ { .gen_ver = 2000, .size = 36, .code = (const uint32_t []) {
0x800c0061, 0x1e054220, 0x00000000, 0x00000000,
+ 0x80000061, 0x1e554220, 0x00000000, 0x00000000,
0x80000061, 0x1e654220, 0x00000000, 0xc0ded000,
0x80000061, 0x1e754220, 0x00000000, 0x00000003,
0x80032031, 0x1f0c0000, 0xd0061e8c, 0x04000000,
0x80000061, 0x30014220, 0x00000000, 0x00000000,
0x80008070, 0x00018220, 0x22001f04, 0xc0ded001,
- 0x84000020, 0x00004000, 0x00000000, 0xffffffa0,
+ 0x84000020, 0x00004000, 0x00000000, 0xffffff90,
0x80000901, 0x00010000, 0x00000000, 0x00000000,
}},
{ .gen_ver = 1270, .size = 40, .code = (const uint32_t []) {
diff --git a/lib/iga64_macros.h b/lib/iga64_macros.h
index 40b6338928e1..f82785610207 100644
--- a/lib/iga64_macros.h
+++ b/lib/iga64_macros.h
@@ -21,6 +21,13 @@
#define R0_TGIDY r0.6<0;1,0>:ud
#define R0_FFTID r0.5<0;1,0>:ud
+/* Inline data from COMPUTE_WALKER*, Bspec: 47203, 73584
+ * Filled by __xe*_gpgpu_execfunc.
+ */
+#define R1_TGT_ADDRESS r1.0<0;1,0>:uq
+#define R1_TGT_WIDTH r1.2<0;1,0>:ud
+#define R1_TGT_HEIGHT r1.3<0;1,0>:ud
+
#define SET_SHARED_MEDIA_BLOCK_MSG_HDR(dst, y, width) \
(W) mov (8) dst.0<1>:ud 0x0:ud ;\
(W) mov (1) dst.1<1>:ud y ;\
@@ -35,28 +42,50 @@
(W) mov (1) dst.2<1>:ud (width - 1):ud ;\
(W) mov (1) dst.4<1>:ud R0_FFTID
+#if GEN_VER < 3000
+#define SET_SURFACE_DESC(dst) \
+(W) mov (8) dst.0<1>:ud 0x0:ud
+#else
+#define SET_SURFACE_DESC(dst) \
+(W) mov (1) dst.0<1>:uq R1_TGT_ADDRESS ;\
+(W) add (1) dst.2<1>:ud R1_TGT_WIDTH -1:d ;\
+(W) add (1) dst.3<1>:ud R1_TGT_HEIGHT -1:d ;\
+(W) add (1) dst.4<1>:ud R1_TGT_WIDTH -1:d
+#endif
+
#define SET_SHARED_MEDIA_A2DBLOCK_PAYLOAD(dst, y, width) \
-(W) mov (8) dst.0<1>:ud 0x0:ud ;\
-(W) mov (1) dst.6<1>:ud y ;\
+ SET_SURFACE_DESC(dst) ;\
+(W) mov (1) dst.5<1>:ud 0x0:ud ;\
+(W) mov (1) dst.6<1>:ud y ;\
(W) mov (1) dst.7<1>:ud (width - 1):ud
-#define SET_THREAD_MEDIA_A2DBLOCK_PAYLOAD(dst, x, y, width) \
-(W) mov (8) dst.0<1>:ud 0x0:ud ;\
+#define SET_THREAD_MEDIA_A2DBLOCK_PAYLOAD(dst, x, y, width) \
+ SET_SURFACE_DESC(dst) ;\
(W) shl (1) dst.5<1>:ud R0_TGIDX 0x2:ud ;\
(W) add (1) dst.5<1>:ud dst.5<0;1,0>:ud x:ud ;\
(W) add (1) dst.6<1>:ud R0_TGIDY y ;\
(W) mov (1) dst.7<1>:ud (width - 1):ud ;\
#if GEN_VER < 2000
+
#define SET_SHARED_SPACE_ADDR(dst, y, width) SET_SHARED_MEDIA_BLOCK_MSG_HDR(dst, y, width)
#define SET_THREAD_SPACE_ADDR(dst, x, y, width) SET_THREAD_MEDIA_BLOCK_MSG_HDR(dst, x, y, width)
#define LOAD_SPACE_DW(dst, src) send.dc1 (1) dst src src1_null 0x0 0x2190000
#define STORE_SPACE_DW(dst, src) send.dc1 (1) null dst null 0x0 0x40A8000
+
#else
+
#define SET_SHARED_SPACE_ADDR(dst, y, width) SET_SHARED_MEDIA_A2DBLOCK_PAYLOAD(dst, y, width)
#define SET_THREAD_SPACE_ADDR(dst, x, y, width) SET_THREAD_MEDIA_A2DBLOCK_PAYLOAD(dst, x, y, width)
+
+#if GEN_VER < 3000
#define LOAD_SPACE_DW(dst, src) send.tgm (1) dst src null:0 0x0 0x62100003
#define STORE_SPACE_DW(dst, src) send.tgm (1) null dst null:0 0x0 0x64000007
+#else
+#define LOAD_SPACE_DW(dst, src) send.ugm (1) dst src null:0 0x0 0x2120003
+#define STORE_SPACE_DW(dst, src) send.ugm (1) null dst src:1 0x0 0x2020007
+#endif
+
#endif
#endif
--
2.34.1
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