Mesa (main): asahi: Identify "command buffer" size field in map

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Module: Mesa
Branch: main
Commit: 0b9e8181da01240ee77d89d9d646a1a6d98cdfb0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0b9e8181da01240ee77d89d9d646a1a6d98cdfb0

Author: Alyssa Rosenzweig <alyssa at rosenzweig.io>
Date:   Mon Jul  5 19:38:47 2021 -0400

asahi: Identify "command buffer" size field in map

Signed-off-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11730>

---

 src/asahi/lib/io.h                | 2 +-
 src/gallium/drivers/asahi/magic.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/asahi/lib/io.h b/src/asahi/lib/io.h
index d004c4751db..f9b8832cf41 100644
--- a/src/asahi/lib/io.h
+++ b/src/asahi/lib/io.h
@@ -191,7 +191,7 @@ struct agx_map_header {
 	uint32_t unk3; // 28 05 00 80
 	uint64_t encoder_id; // GUID
 	uint32_t unk6; // 00 00 00 00
-	uint32_t unk7; // 80 07 00 00
+	uint32_t cmdbuf_size;
 	uint32_t nr_entries_1;
 	uint32_t nr_entries_2;
 	uint32_t unka; // 0b 00 00 00
diff --git a/src/gallium/drivers/asahi/magic.c b/src/gallium/drivers/asahi/magic.c
index 27eea090a43..e81c400cc17 100644
--- a/src/gallium/drivers/asahi/magic.c
+++ b/src/gallium/drivers/asahi/magic.c
@@ -262,7 +262,7 @@ demo_map_header(uint64_t cmdbuf_id, uint64_t encoder_id, unsigned cmdbuf_size, u
       .unk3 = 0x528, // 1320
       .encoder_id = encoder_id,
       .unk6 = 0x0,
-      .unk7 = cmdbuf_size,
+      .cmdbuf_size = cmdbuf_size,
 
       /* +1 for the sentinel ending */
       .nr_entries_1 = count + 1,