[PATCH] drm/i915/selftests: Set always_coherent to false when reading from CPU
Nirmoy Das
nirmoy.das at intel.com
Thu May 16 15:14:03 UTC 2024
The previous commit 'commit 8d4ba9fc1c6c ("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 at linux.intel.com>
Cc: Janusz Krzysztofik <janusz.krzysztofik at linux.intel.com>
Cc: Jonathan Cavitt <jonathan.cavitt at intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
---
drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
index 65a931ea80e9..3527b8f446fe 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
@@ -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);
--
2.42.0
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