linux-kernel - [PATCH v10 04/11] drm/i915/gem: selftest should not attempt mmap of private regions

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Message-Id: <20220707200230.1657555-5-bob.beckett@collabora.com>
Date:   Thu,  7 Jul 2022 20:02:22 +0000
From:   Robert Beckett <bob.beckett@...labora.com>
To:     dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     kernel@...labora.com, Robert Beckett <bob.beckett@...labora.com>,
        Matthew Auld <matthew.auld@...el.com>,
        Thomas Hellström 
        <thomas.hellstrom@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: [PATCH v10 04/11] drm/i915/gem: selftest should not attempt mmap of private regions

During testing make can_mmap consider whether the region is private.

Signed-off-by: Robert Beckett <bob.beckett@...labora.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@...ux.intel.com>
---
 drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 5bc93a1ce3e3..76181e28c75e 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -869,6 +869,9 @@ static bool can_mmap(struct drm_i915_gem_object *obj, enum i915_mmap_type type)
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
 	bool no_map;
 
+	if (obj->mm.region && obj->mm.region->private)
+		return false;
+
 	if (obj->ops->mmap_offset)
 		return type == I915_MMAP_TYPE_FIXED;
 	else if (type == I915_MMAP_TYPE_FIXED)
-- 
2.25.1