linux-kernel - [PATCH] drm/i915: Fix BO alloc flags

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Message-ID: <20251210110952.691446-1-loic.molinari@collabora.com>
Date: Wed, 10 Dec 2025 12:09:51 +0100
From: Loïc Molinari <loic.molinari@...labora.com>
To: David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@...el.com>,
	Tvrtko Ursulin <tursulin@...ulin.net>,
	Boris Brezillon <boris.brezillon@...labora.com>,
	Loïc Molinari <loic.molinari@...labora.com>,
	Mikołaj Wasiak <mikolaj.wasiak@...el.com>,
	Andi Shyti <andi.shyti@...ux.intel.com>,
	Christopher Healy <healych@...zon.com>
Cc: linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	intel-gfx@...ts.freedesktop.org,
	kernel@...labora.com,
	Chaitanya Kumar Borah <chaitanya.kumar.borah@...el.com>
Subject: [PATCH] drm/i915: Fix BO alloc flags

I915_BO_ALLOC_NOTHP must be added to the I915_BO_ALLOC_FLAGS mask in
order to pass GEM_BUG_ON() valid flags checks.

Reported-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@...el.com>
Closes: https://lore.kernel.org/intel-gfx/d73adfa8-d61b-46b3-9385-dde53d8db8ad@intel.com/
Fixes: a8a9a590221c ("drm/i915: Use huge tmpfs mountpoint helpers")
Suggested-by: Tvrtko Ursulin <tursulin@...ulin.net>
Signed-off-by: Loïc Molinari <loic.molinari@...labora.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
index f94409e8ec4c..35d4c7d0c579 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -363,6 +363,7 @@ struct drm_i915_gem_object {
 			     I915_BO_ALLOC_PM_EARLY | \
 			     I915_BO_ALLOC_GPU_ONLY | \
 			     I915_BO_ALLOC_CCS_AUX | \
+			     I915_BO_ALLOC_NOTHP | \
 			     I915_BO_PREALLOC)
 #define I915_BO_READONLY          BIT(10)
 #define I915_TILING_QUIRK_BIT     11 /* unknown swizzling; do not release! */
-- 
2.47.3