Commit 007ed708 authored by Nirmoy Das's avatar Nirmoy Das
Browse files

drm/i915/selftests: Set always_coherent to false when reading from CPU 



Commit 8d4ba9fc ("drm/i915/selftests: Pick correct caching mode.")
was not complete  as for non LLC  sharing platforms cpu read can happen
from LLC which probably doesn't have the latest changes made by GPU.

Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
Fixes: 8d4ba9fc ("drm/i915/selftests: Pick correct caching mode.")
Reviewed-by: default avatarJonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240516151403.2875-1-nirmoy.das@intel.com


Signed-off-by: default avatarNirmoy Das <nirmoy.das@intel.com>
parent 11abdbc2

drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c

+1 −1
Original line number Diff line number Diff line
@@ -196,7 +196,7 @@ static int verify_access(struct drm_i915_private *i915, 
	if (err)

		goto out_file;



	mode = intel_gt_coherent_map_type(to_gt(i915), native_obj, true);

	mode = intel_gt_coherent_map_type(to_gt(i915), native_obj, false);

	vaddr = i915_gem_object_pin_map_unlocked(native_obj, mode);

	if (IS_ERR(vaddr)) {

		err = PTR_ERR(vaddr);