linux-kernel - [PATCH] nouveau: Stop advertising large page support

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Message-Id: <20260116-disable_large_page-v1-1-fdbf85603353@darkrefraction.com>
Date: Fri, 16 Jan 2026 17:03:27 -0500
From: Mel Henning <mhenning@...krefraction.com>
To: Lyude Paul <lyude@...hat.com>, Danilo Krummrich <dakr@...nel.org>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Mohamed Ahmed <mohamedahmedegypt2001@...il.com>, 
 Mary Guillemard <mary@...y.zone>, James Jones <jajones@...dia.com>
Cc: dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, Mel Henning <mhenning@...krefraction.com>
Subject: [PATCH] nouveau: Stop advertising large page support

Since large pages landed, we've discovered a hard-to-debug issue related
to 64 kB pages. Disable it for now.

Fixes: 85ce566b3624 ("drm/nouveau/drm: Bump the driver version to 1.4.1 to report new features")
Signed-off-by: Mel Henning <mhenning@...krefraction.com>
---
 drivers/gpu/drm/nouveau/nouveau_drv.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 0e409414f44d..5b931260ce40 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -10,7 +10,7 @@
 
 #define DRIVER_MAJOR		1
 #define DRIVER_MINOR		4
-#define DRIVER_PATCHLEVEL	1
+#define DRIVER_PATCHLEVEL	0
 
 /*
  * 1.1.1:
@@ -37,6 +37,8 @@
  *      - implemented limited ABI16/NVIF interop
  * 1.4.1:
  *      - add variable page sizes and compression for Turing+
+ *        Note: Rolled back due to issues with large page support
+ *        see https://gitlab.freedesktop.org/mesa/mesa/-/issues/14610
  */
 
 #include <linux/notifier.h>

---
base-commit: 0f61b1860cc3f52aef9036d7235ed1f017632193
change-id: 20260116-disable_large_page-4aa1432445ad

Best regards,
-- 
Mel Henning <mhenning@...krefraction.com>