Commit d511d013 authored by Matthew Auld's avatar Matthew Auld
Browse files

drm/i915/stolen: consider I915_BO_ALLOC_GPU_ONLY 



Keep the behaviour consistent with normal lmem, where we assume CPU
access if by default required.

Signed-off-by: default avatarMatthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: default avatarNirmoy Das <nirmoy.das@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315181425.576828-3-matthew.auld@intel.com
parent b8ca8fef

drivers/gpu/drm/i915/gem/i915_gem_stolen.c

+8 −0
Original line number Diff line number Diff line
@@ -695,6 +695,14 @@ static int _i915_gem_object_stolen_init(struct intel_memory_region *mem, 
	if (size == 0)

		return -EINVAL;



	/*

	 * With discrete devices, where we lack a mappable aperture there is no

	 * possible way to ever access this memory on the CPU side.

	 */

	if (mem->type == INTEL_MEMORY_STOLEN_LOCAL && !mem->io_size &&

	    !(flags & I915_BO_ALLOC_GPU_ONLY))

		return -ENOSPC;



	stolen = kzalloc(sizeof(*stolen), GFP_KERNEL);

	if (!stolen)

		return -ENOMEM;