From ae7f0dc105c4e5248e6e2e2299e52d9a289e1215 Mon Sep 17 00:00:00 2001 From: Matthew Auld Date: Wed, 21 Apr 2021 11:46:58 +0100 Subject: [PATCH] drm/i915/stolen: actually mark as contiguous Stolen memory is always allocated as physically contiguous pages, so mark the object flags as such. It looks like the flags were previously just ignored so this had no effect. In the future we might to add the proper plumbing for passing the flags all over the way down from the caller, but for now we don't have a use for that. Signed-off-by: Matthew Auld Cc: Tvrtko Ursulin Reviewed-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20210421104658.304142-4-matthew.auld@intel.com --- drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index b43929da8de8..c5b64b2400e8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -637,10 +637,17 @@ static int __i915_gem_object_create_stolen(struct intel_memory_region *mem, { static struct lock_class_key lock_class; unsigned int cache_level; + unsigned int flags; int err; + /* + * Stolen objects are always physically contiguous since we just + * allocate one big block underneath using the drm_mm range allocator. + */ + flags = I915_BO_ALLOC_CONTIGUOUS; + drm_gem_private_object_init(&mem->i915->drm, &obj->base, stolen->size); - i915_gem_object_init(obj, &i915_gem_object_stolen_ops, &lock_class, 0); + i915_gem_object_init(obj, &i915_gem_object_stolen_ops, &lock_class, flags); obj->stolen = stolen; obj->read_domains = I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT; @@ -699,8 +706,7 @@ struct drm_i915_gem_object * i915_gem_object_create_stolen(struct drm_i915_private *i915, resource_size_t size) { - return i915_gem_object_create_region(i915->mm.stolen_region, - size, I915_BO_ALLOC_CONTIGUOUS); + return i915_gem_object_create_region(i915->mm.stolen_region, size, 0); } static int init_stolen_smem(struct intel_memory_region *mem) -- 2.20.1