Commit 63f1af83 authored by Alex Sierra's avatar Alex Sierra Committed by Alex Deucher
Browse files

drm/amdkfd: set attribute access for default ranges 



Attribute access value for default ranges is set, based on
process xnack on/off.
XNACK ON has GPU access attribute for unregistered ranges through page
fault. While XNACK OFF has no access attribute for unregistered ranges.

Signed-off-by: default avatarAlex Sierra <alex.sierra@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b19dbb7a

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

+3 −4
Original line number Diff line number Diff line
@@ -2887,12 +2887,11 @@ svm_range_get_attr(struct kfd_process *p, uint64_t start, uint64_t size, 
		pr_debug("range attrs not found return default values\n");

		svm_range_set_default_attributes(&location, &prefetch_loc,

						 &granularity, &flags);

		/* TODO: Automatically create SVM ranges and map them on

		 * GPU page faults

		if (p->xnack_enabled)

			bitmap_fill(bitmap_access, MAX_GPU_INSTANCE);

		 */



		else

			bitmap_zero(bitmap_access, MAX_GPU_INSTANCE);

		bitmap_zero(bitmap_aip, MAX_GPU_INSTANCE);

		goto fill_values;

	}

	bitmap_fill(bitmap_access, MAX_GPU_INSTANCE);