We observe that the OA architecture is clobbering random memory. Disable
it until this can be resolved.

References: https://bugs.freedesktop.org/show_bug.cgi?id=106379
Signed-off-by: Chris Wilson <[email protected]>
Cc: Lionel Landwerlin <[email protected]>
Cc: Matthew Auld <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: [email protected]
---
 drivers/gpu/drm/i915/i915_perf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 019bd2d073ad..20187f3bf350 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -3425,7 +3425,7 @@ static struct ctl_table dev_root[] = {
  */
 void i915_perf_init(struct drm_i915_private *dev_priv)
 {
-       if (IS_HASWELL(dev_priv)) {
+       if (IS_HASWELL(dev_priv) && 0) {
                dev_priv->perf.oa.ops.is_valid_b_counter_reg =
                        gen7_is_valid_b_counter_addr;
                dev_priv->perf.oa.ops.is_valid_mux_reg =
-- 
2.17.0

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