[PATCH 1/1] i915/gem/i915_gem_execbuffer: Disallow passing alignment
Zbigniew Kempczyński
zbigniew.kempczynski at intel.com
Mon Sep 27 11:18:06 UTC 2021
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 2f2434b52317..376e7ab2db4b 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -495,6 +495,14 @@ static bool platform_has_relocs_enabled(const struct i915_execbuffer *eb)
return false;
}
+static bool platform_allows_pass_alignment(const struct i915_execbuffer *eb)
+{
+ if (GRAPHICS_VER(eb->i915) < 9)
+ return true;
+
+ return false;
+}
+
static int
eb_validate_vma(struct i915_execbuffer *eb,
struct drm_i915_gem_exec_object2 *entry,
@@ -503,6 +511,9 @@ eb_validate_vma(struct i915_execbuffer *eb,
if (entry->relocation_count && !platform_has_relocs_enabled(eb))
return -EINVAL;
+ if (entry->alignment && !platform_allows_pass_alignment(eb))
+ return -EINVAL;
+
if (unlikely(entry->flags & eb->invalid_flags))
return -EINVAL;
--
2.26.0
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