[PATCH 1/1] drm/i915/gem: Drop relocation support on all new hardware

[Zbigniew Kempczyński]

From: Jason Ekstrand <jason at jlekstrand.net>

Jason's patch for drop relocations.

Changed to >= 9 for CI.

Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
---
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index fe170186dd42..c3b4a0246ecf 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -483,6 +483,13 @@ eb_validate_vma(struct i915_execbuffer *eb,
 		struct drm_i915_gem_exec_object2 *entry,
 		struct i915_vma *vma)
 {
+	/* Relocations are disallowed for all platforms after TGL-LP.  This
+	 * also covers all platforms with local memory.
+	 */
+	if (entry->relocation_count &&
+	    INTEL_GEN(eb->i915) >= 9 && !IS_TIGERLAKE(eb->i915))
+		return -EINVAL;
+
 	if (unlikely(entry->flags & eb->invalid_flags))
 		return -EINVAL;
 
-- 
2.26.0