From 81f42d82edef8b3617cc504bfc1bbfc381e52f3b Mon Sep 17 00:00:00 2001
From: Constantine Shablia <constantine.shablya@collabora.com>
Date: Thu, 2 May 2024 12:23:19 +0300
Subject: [PATCH] panfrost: report correct MAX_VARYINGS

Fixes packing-varying piglit failures

Cc: mesa-stable
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29017>
---
 src/gallium/drivers/panfrost/pan_screen.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/gallium/drivers/panfrost/pan_screen.c b/src/gallium/drivers/panfrost/pan_screen.c
index a7892610d8c..af254105b98 100644
--- a/src/gallium/drivers/panfrost/pan_screen.c
+++ b/src/gallium/drivers/panfrost/pan_screen.c
@@ -298,9 +298,7 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 4;
 
    case PIPE_CAP_MAX_VARYINGS:
-      /* Return the GLSL maximum. The internal maximum
-       * PAN_MAX_VARYINGS accommodates internal varyings. */
-      return MAX_VARYING;
+      return dev->arch >= 9 ? 16 : 32;
 
    /* Removed in v6 (Bifrost) */
    case PIPE_CAP_GL_CLAMP: