From 57a80ff78cc3f5532ba01e6a1e194544bf207e75 Mon Sep 17 00:00:00 2001
From: Erik Faye-Lund <erik.faye-lund@collabora.com>
Date: Thu, 16 Apr 2026 16:13:52 +0200
Subject: [PATCH] pan/lib: emit high bits of buffer-size

We can't expose large texel-buffers if we don't emit the high bits.
Whoopsie!

Fixes: 4db7958edc4 ("pan/bi: Change texel buffer limits")
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40999>
---
 src/panfrost/lib/pan_buffer.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/panfrost/lib/pan_buffer.c b/src/panfrost/lib/pan_buffer.c
index 69cbeeea919..8ffd6711ad3 100644
--- a/src/panfrost/lib/pan_buffer.c
+++ b/src/panfrost/lib/pan_buffer.c
@@ -29,10 +29,19 @@ GENX(pan_buffer_texture_emit)(const struct pan_buffer_view *bview,
       .raw = false,
    };
 
+   uint64_t buffer_size = bview->width_el * stride;
+
    pan_pack(out, BUFFER, cfg) {
       cfg.type = MALI_DESCRIPTOR_TYPE_BUFFER;
       cfg.buffer_type = MALI_BUFFER_TYPE_STRUCTURE;
-      cfg.size = bview->width_el * stride;
+
+#if PAN_ARCH >= 11
+      cfg.size = buffer_size & BITFIELD_MASK(32);
+      cfg.size_hi = buffer_size >> 32;
+#else
+      cfg.size = buffer_size;
+#endif
+
       cfg.address = bview->base;
       cfg.stride = stride;
       cfg.conversion = conv;