[igt-dev] [PATCH i-g-t v3 2/2] lib/media_fill/tgl: Implement media_fillfunc for TGL

[Katarzyna Dec]

Adding gen12_media_fillfunc to have media_fill running on TGL.
Media shader was generated using IGA (Intel Graphics Assembler)
based on binary found in lib/media_fill_gen9.c to match the
changes in TGL HW. Main change was made in SEND instructions
and adding SWSB dependencies.

v2: Switched to GEN_12.

Cc: Antonio Argenziano <antonio.argenziano at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Signed-off-by: Katarzyna Dec <katarzyna.dec at intel.com>
Signed-off-by: Lukasz Kalamarz <lukasz.kalamarz at intel.com>
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 lib/i915/shaders/media/gen12_media_kernel.asm | 13 ++++++++++
 lib/intel_batchbuffer.c                       |  4 ++-
 lib/media_fill.c                              | 25 +++++++++++++++++++
 lib/media_fill.h                              |  7 ++++++
 4 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 lib/i915/shaders/media/gen12_media_kernel.asm

diff --git a/lib/i915/shaders/media/gen12_media_kernel.asm b/lib/i915/shaders/media/gen12_media_kernel.asm
new file mode 100644
index 00000000..5be229b2
--- /dev/null
+++ b/lib/i915/shaders/media/gen12_media_kernel.asm
@@ -0,0 +1,13 @@
+L0:
+         mov (4|M0)               r1.0<1>:ub    r1.0<0;1,0>:ub
+         mov (8|M0)               r4.0<1>:ud    r0.0<8;8,1>:ud
+         mov (8|M0)               r4.0<1>:ud    r2.0<2;2,1>:ud
+         mov (1|M0)               r4.2<1>:ud    0xF000F:ud
+         mov (16|M0)              r5.0<1>:ud    r1.0<0;1,0>:ud                   {@4}
+         mov (16|M0)              r7.0<1>:ud    r1.0<0;1,0>:ud                   {@5}
+         mov (16|M0)              r9.0<1>:ud    r1.0<0;1,0>:ud                   {@6}
+         mov (16|M0)              r11.0<1>:ud   r1.0<0;1,0>:ud                   {@7}
+         send.dc1 (16|M0)         null     r4      null    0x10000000  0x120A8000 {@1, $0} //    wr:9h+0, rd:0, Media Block Write msc:0, to #0
+         mov (8|M0)               r112.0<1>:ud  r0.0<8;8,1>:ud
+         send.ts (16|M0)          null     r112    null    0x10000000  0x2000010  {EOT, @1} //    wr:1+0, rd:0, fc: 0x10
+L176:
diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c
index 269c8982..9292236b 100644
--- a/lib/intel_batchbuffer.c
+++ b/lib/intel_batchbuffer.c
@@ -861,7 +861,9 @@ igt_fillfunc_t igt_get_media_fillfunc(int devid)
 {
 	igt_fillfunc_t fill = NULL;
 
-	if (IS_GEN9(devid) || IS_GEN10(devid) || IS_GEN11(devid))
+	if (IS_GEN12(devid))
+		fill = gen12_media_fillfunc;
+	else if (IS_GEN9(devid) || IS_GEN10(devid) || IS_GEN11(devid))
 		fill = gen9_media_fillfunc;
 	else if (IS_GEN8(devid))
 		fill = gen8_media_fillfunc;
diff --git a/lib/media_fill.c b/lib/media_fill.c
index 03b5e71e..b7d7f68c 100644
--- a/lib/media_fill.c
+++ b/lib/media_fill.c
@@ -101,6 +101,20 @@ static const uint32_t gen11_media_vme_kernel[][4] = {
 	{ 0x00000000, 0x00000000,  0x00000000,  0x00000000 },
 };
 
+static const uint32_t gen12_media_kernel[][4] = {
+	{ 0x00020061, 0x01050000, 0x00000104, 0x00000000 },
+	{ 0x00030061, 0x04050220, 0x00460005, 0x00000000 },
+	{ 0x00030061, 0x04050220, 0x00220205, 0x00000000 },
+	{ 0x00000061, 0x04454220, 0x00000000, 0x000f000f },
+	{ 0x00040461, 0x05050220, 0x00000104, 0x00000000 },
+	{ 0x00040561, 0x07050220, 0x00000104, 0x00000000 },
+	{ 0x00040661, 0x09050220, 0x00000104, 0x00000000 },
+	{ 0x00040761, 0x0b050220, 0x00000104, 0x00000000 },
+	{ 0x00049031, 0x00000000, 0xc000044c, 0x12a00000 },
+	{ 0x00030061, 0x70050220, 0x00460005, 0x00000000 },
+	{ 0x00040131, 0x00000004, 0x7020700c, 0x10000000 },
+};
+
 /*
  * This sets up the media pipeline,
  *
@@ -355,3 +369,14 @@ gen11_media_vme_func(struct intel_batchbuffer *batch,
 			       gen11_media_vme_kernel,
 			       sizeof(gen11_media_vme_kernel));
 }
+
+void
+gen12_media_fillfunc(struct intel_batchbuffer *batch,
+		     const struct igt_buf *dst,
+		     unsigned int x, unsigned int y,
+		     unsigned int width, unsigned int height,
+		     uint8_t color)
+{
+	__gen9_media_fillfunc(batch, dst, x, y, width, height, color,
+			      gen12_media_kernel, sizeof(gen12_media_kernel));
+}
diff --git a/lib/media_fill.h b/lib/media_fill.h
index 1d5c5fa8..a001482e 100644
--- a/lib/media_fill.h
+++ b/lib/media_fill.h
@@ -55,4 +55,11 @@ gen11_media_vme_func(struct intel_batchbuffer *batch,
 		     unsigned int width, unsigned int height,
 		     const struct igt_buf *dst);
 
+void
+gen12_media_fillfunc(struct intel_batchbuffer *batch,
+		     const struct igt_buf *dst,
+		     unsigned int x, unsigned int y,
+		     unsigned int width, unsigned int height,
+		     uint8_t color);
+
 #endif /* RENDE_MEDIA_FILL_H */
-- 
2.20.1