[igt-dev] [PATCH i-g-t 1/5] lib/gpu_cmds: Add media pipeline functions based on intel_bb

[Zbigniew Kempczyński]

Add "_v2" versions of media pipeline creation functions.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 lib/gpu_cmds.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 lib/gpu_cmds.h | 11 +++++++++++
 2 files changed, 54 insertions(+)

diff --git a/lib/gpu_cmds.c b/lib/gpu_cmds.c
index 788f2eb6..2eb09cd4 100644
--- a/lib/gpu_cmds.c
+++ b/lib/gpu_cmds.c
@@ -1331,3 +1331,46 @@ gen8_emit_gpgpu_walk_v2(struct intel_bb *ibb,
 	/* bottom mask, height 1, always 0xffffffff */
 	intel_bb_out(ibb, 0xffffffff);
 }
+
+void
+gen8_emit_media_state_flush_v2(struct intel_bb *ibb)
+{
+	intel_bb_out(ibb, GEN8_MEDIA_STATE_FLUSH | (2 - 2));
+	intel_bb_out(ibb, 0);
+}
+
+void
+gen_emit_media_object_v2(struct intel_bb *ibb,
+			 unsigned int xoffset, unsigned int yoffset)
+{
+	intel_bb_out(ibb, GEN7_MEDIA_OBJECT | (8 - 2));
+
+	/* interface descriptor offset */
+	intel_bb_out(ibb, 0);
+
+	/* without indirect data */
+	intel_bb_out(ibb, 0);
+	intel_bb_out(ibb, 0);
+
+	/* scoreboard */
+	intel_bb_out(ibb, 0);
+	intel_bb_out(ibb, 0);
+
+	/* inline data (xoffset, yoffset) */
+	intel_bb_out(ibb, xoffset);
+	intel_bb_out(ibb, yoffset);
+	if (AT_LEAST_GEN(ibb->devid, 8) && !IS_CHERRYVIEW(ibb->devid))
+		gen8_emit_media_state_flush_v2(ibb);
+}
+
+void
+gen7_emit_media_objects_v2(struct intel_bb *ibb,
+			   unsigned int x, unsigned int y,
+			   unsigned int width, unsigned int height)
+{
+	int i, j;
+
+	for (i = 0; i < width / 16; i++)
+		for (j = 0; j < height / 16; j++)
+			gen_emit_media_object_v2(ibb, x + i * 16, y + j * 16);
+}
diff --git a/lib/gpu_cmds.h b/lib/gpu_cmds.h
index 61aff153..ab5fe74b 100644
--- a/lib/gpu_cmds.h
+++ b/lib/gpu_cmds.h
@@ -202,4 +202,15 @@ gen8_emit_gpgpu_walk_v2(struct intel_bb *ibb,
 			unsigned int x, unsigned int y,
 			unsigned int width, unsigned int height);
 
+void
+gen8_emit_media_state_flush_v2(struct intel_bb *ibb);
+
+void
+gen_emit_media_object_v2(struct intel_bb *ibb,
+			 unsigned int xoffset, unsigned int yoffset);
+
+void
+gen7_emit_media_objects_v2(struct intel_bb *ibb,
+			   unsigned int x, unsigned int y,
+			   unsigned int width, unsigned int height);
 #endif /* GPU_CMDS_H */
-- 
2.26.0